#include "config.h"
#include "system.h"
#include "coretypes.h"
#include "multilib.h"
#include "tm.h"
#include <signal.h>
#if ! defined( SIGCHLD ) && defined( SIGCLD )
# define SIGCHLD SIGCLD
#endif
#include "xregex.h"
#include "obstack.h"
#include "intl.h"
#include "prefix.h"
#include "gcc.h"
#include "flags.h"
#ifdef HAVE_SYS_RESOURCE_H
#include <sys/resource.h>
#endif
#if defined (HAVE_DECL_GETRUSAGE) && !HAVE_DECL_GETRUSAGE
extern int getrusage (int, struct rusage *);
#endif
#if defined(TARGET_EXECUTABLE_SUFFIX) && defined(HOST_EXECUTABLE_SUFFIX)
#define HAVE_TARGET_EXECUTABLE_SUFFIX
#endif
#ifdef HOST_EXECUTABLE_SUFFIX
#define HAVE_HOST_EXECUTABLE_SUFFIX
#else
#define HOST_EXECUTABLE_SUFFIX ""
#endif
#ifdef TARGET_OBJECT_SUFFIX
#define HAVE_TARGET_OBJECT_SUFFIX
#else
#define TARGET_OBJECT_SUFFIX ".o"
#endif
static const char dir_separator_str[] = { DIR_SEPARATOR, 0 };
#ifndef LIBRARY_PATH_ENV
#define LIBRARY_PATH_ENV "LIBRARY_PATH"
#endif
#ifndef HAVE_KILL
#define kill(p,s) raise(s)
#endif
#define MIN_FATAL_STATUS 1
int is_cpp_driver;
static int pass_exit_codes;
#include "configargs.h"
static int print_search_dirs;
static const char *print_file_name = NULL;
static const char *print_prog_name = NULL;
static int print_multi_directory;
static int print_multi_os_directory;
static int print_multi_lib;
static int print_help_list;
static int verbose_flag;
static int verbose_only_flag;
static int target_help_flag;
static int report_times;
#ifdef TARGET_SYSTEM_ROOT
static const char *target_system_root = TARGET_SYSTEM_ROOT;
#else
static const char *target_system_root = 0;
#endif
static int target_system_root_changed;
static const char *target_sysroot_suffix = 0;
static const char *target_sysroot_hdrs_suffix = 0;
static int save_temps_flag;
static int combine_flag = 0;
static int use_pipes;
static const char *compiler_version;
static const char *const spec_version = DEFAULT_TARGET_VERSION;
static const char *spec_machine = DEFAULT_TARGET_MACHINE;
static char *cc_print_options = 0;
static char *cc_print_options_filename;
#ifdef CROSS_DIRECTORY_STRUCTURE
static const char *cross_compile = "1";
#else
static const char *cross_compile = "0";
#endif
#ifdef MODIFY_TARGET_NAME
static const struct modify_target
{
const char *const sw;
const enum add_del {ADD, DELETE} add_del;
const char *const str;
}
modify_target[] = MODIFY_TARGET_NAME;
#endif
static int error_count = 0;
static int greatest_status = 1;
static struct obstack obstack;
static struct obstack collect_obstack;
#ifdef HAVE_GETRUSAGE
static struct rusage rus, prus;
#endif
struct path_prefix;
struct prefix_list;
static void init_spec (void);
static void store_arg (const char *, int, int);
static char *load_specs (const char *);
static void read_specs (const char *, int);
static void set_spec (const char *, const char *);
static struct compiler *lookup_compiler (const char *, size_t, const char *);
static char *build_search_list (struct path_prefix *, const char *, int);
static void putenv_from_prefixes (struct path_prefix *, const char *);
static int access_check (const char *, int);
static char *find_a_file (struct path_prefix *, const char *, int, int);
static void add_prefix (struct path_prefix *, const char *, const char *,
int, int, int);
static void add_sysrooted_prefix (struct path_prefix *, const char *,
const char *, int, int, int);
static void translate_options (int *, const char *const **);
static char *skip_whitespace (char *);
static void delete_if_ordinary (const char *);
static void delete_temp_files (void);
static void delete_failure_queue (void);
static void clear_failure_queue (void);
static int check_live_switch (int, int);
static const char *handle_braces (const char *);
static inline bool input_suffix_matches (const char *, const char *);
static inline bool switch_matches (const char *, const char *, int);
static inline void mark_matching_switches (const char *, const char *, int);
static inline void process_marked_switches (void);
static const char *process_brace_body (const char *, const char *, const char *, int, int);
static const struct spec_function *lookup_spec_function (const char *);
static const char *eval_spec_function (const char *, const char *);
static const char *handle_spec_function (const char *);
static char *save_string (const char *, int);
static void set_collect_gcc_options (void);
static const char *check_basename_derived_file (const char *string);
static void do_spec_path (struct prefix_list *, const char *, int, int, int, const char *, const char *);
static int do_spec_1 (const char *, int, const char *);
static int do_spec_2 (const char *);
static void do_option_spec (const char *, const char *);
static void do_self_spec (const char *);
static const char *find_file (const char *);
static int is_directory (const char *, const char *, int);
static const char *validate_switches (const char *);
static void validate_all_switches (void);
static inline void validate_switches_from_spec (const char *);
static void give_switch (int, int);
static int used_arg (const char *, int);
static int default_arg (const char *, int);
static void set_multilib_dir (void);
static void print_multilib_info (void);
static void perror_with_name (const char *);
static void pfatal_pexecute (const char *, const char *) ATTRIBUTE_NORETURN;
static void notice (const char *, ...) ATTRIBUTE_PRINTF_1;
static void display_help (void);
static void add_preprocessor_option (const char *, int);
static void add_assembler_option (const char *, int);
static void add_linker_option (const char *, int);
static void process_command (int, const char **);
static int execute (void);
static void alloc_args (void);
static void clear_args (void);
static void fatal_error (int);
#if defined(ENABLE_SHARED_LIBGCC) && !defined(REAL_LIBGCC_SPEC)
static void init_gcc_specs (struct obstack *, const char *, const char *,
const char *);
#endif
#if defined(HAVE_TARGET_OBJECT_SUFFIX) || defined(HAVE_TARGET_EXECUTABLE_SUFFIX)
static const char *convert_filename (const char *, int, int);
#endif
static const char *if_exists_spec_function (int, const char **);
static const char *if_exists_else_spec_function (int, const char **);
static const char *replace_outfile_spec_function (int, const char **);
static const char *add_sysroot_spec_function (int, const char **);
static const char *version_compare_spec_function (int, const char **);
#ifndef ASM_SPEC
#define ASM_SPEC ""
#endif
#ifndef ASM_FINAL_SPEC
#define ASM_FINAL_SPEC ""
#endif
#ifndef CPP_SPEC
#define CPP_SPEC ""
#endif
#ifndef CC1_SPEC
#define CC1_SPEC ""
#endif
#ifndef CC1PLUS_SPEC
#define CC1PLUS_SPEC ""
#endif
#ifndef LINK_SPEC
#define LINK_SPEC ""
#endif
#ifndef LIB_SPEC
#define LIB_SPEC "%{!shared:%{g*:-lg} %{!p:%{!pg:-lc}}%{p:-lc_p}%{pg:-lc_p}}"
#endif
#ifndef MFWRAP_SPEC
#define MFWRAP_SPEC " %{static: %{fmudflap|fmudflapth: \
--wrap=malloc --wrap=free --wrap=calloc --wrap=realloc\
--wrap=mmap --wrap=munmap --wrap=alloca\
} %{fmudflapth: --wrap=pthread_create --wrap=pthread_join --wrap=pthread_exit\
}} %{fmudflap|fmudflapth: --wrap=main}"
#endif
#ifndef MFLIB_SPEC
#define MFLIB_SPEC "%{fmudflap|fmudflapth: -export-dynamic}"
#endif
#ifndef LIBGCC_SPEC
#if defined(REAL_LIBGCC_SPEC)
#define LIBGCC_SPEC REAL_LIBGCC_SPEC
#elif defined(LINK_LIBGCC_SPECIAL_1)
#define LIBGCC_SPEC "libgcc.a%s"
#else
#define LIBGCC_SPEC "-lgcc"
#endif
#endif
#ifndef STARTFILE_SPEC
#define STARTFILE_SPEC \
"%{!shared:%{pg:gcrt0%O%s}%{!pg:%{p:mcrt0%O%s}%{!p:crt0%O%s}}}"
#endif
#ifndef SWITCHES_NEED_SPACES
#define SWITCHES_NEED_SPACES ""
#endif
#ifndef ENDFILE_SPEC
#define ENDFILE_SPEC ""
#endif
#ifndef LINKER_NAME
#define LINKER_NAME "collect2"
#endif
#ifndef ASM_DEBUG_SPEC
# if defined(DBX_DEBUGGING_INFO) && defined(DWARF2_DEBUGGING_INFO) \
&& defined(HAVE_AS_GDWARF2_DEBUG_FLAG) && defined(HAVE_AS_GSTABS_DEBUG_FLAG)
# define ASM_DEBUG_SPEC \
(PREFERRED_DEBUGGING_TYPE == DBX_DEBUG \
? "%{gdwarf-2*:--gdwarf2}%{!gdwarf-2*:%{g*:--gstabs}}" \
: "%{gstabs*:--gstabs}%{!gstabs*:%{g*:--gdwarf2}}")
# else
# if defined(DBX_DEBUGGING_INFO) && defined(HAVE_AS_GSTABS_DEBUG_FLAG)
# define ASM_DEBUG_SPEC "%{g*:--gstabs}"
# endif
# if defined(DWARF2_DEBUGGING_INFO) && defined(HAVE_AS_GDWARF2_DEBUG_FLAG)
# define ASM_DEBUG_SPEC "%{g*:--gdwarf2}"
# endif
# endif
#endif
#ifndef ASM_DEBUG_SPEC
# define ASM_DEBUG_SPEC ""
#endif
#ifndef LINK_GCC_C_SEQUENCE_SPEC
#define LINK_GCC_C_SEQUENCE_SPEC "%G %L %G"
#endif
#ifndef LINK_PIE_SPEC
#ifdef HAVE_LD_PIE
#define LINK_PIE_SPEC "%{pie:-pie} "
#else
#define LINK_PIE_SPEC "%{pie:} "
#endif
#endif
#ifndef LINK_COMMAND_SPEC
#define LINK_COMMAND_SPEC "\
%{!fsyntax-only:%{!c:%{!M:%{!MM:%{!E:%{!S:\
%(linker) %l " LINK_PIE_SPEC "%X %{o*} %{A} %{d} %{e*} %{m} %{N} %{n} %{r}\
%{s} %{t} %{u*} %{x} %{z} %{Z} %{!A:%{!nostdlib:%{!nostartfiles:%S}}}\
%{static:} %{L*} %(mfwrap) %(link_libgcc) %o %(mflib)\
%{fprofile-arcs|fprofile-generate|fcreate-profile:-lgcov}\
%{!nostdlib:%{!nodefaultlibs:%(link_gcc_c_sequence)}}\
%{!A:%{!nostdlib:%{!nostartfiles:%E}}} %{T*} }}}}}}"
#endif
#ifndef LINK_LIBGCC_SPEC
# define LINK_LIBGCC_SPEC "%D"
#endif
#ifndef STARTFILE_PREFIX_SPEC
# define STARTFILE_PREFIX_SPEC ""
#endif
#ifndef SYSROOT_SUFFIX_SPEC
# define SYSROOT_SUFFIX_SPEC ""
#endif
#ifndef SYSROOT_HEADERS_SUFFIX_SPEC
# define SYSROOT_HEADERS_SUFFIX_SPEC ""
#endif
static const char *asm_debug;
static const char *cpp_spec = CPP_SPEC;
static const char *cc1_spec = CC1_SPEC;
static const char *cc1plus_spec = CC1PLUS_SPEC;
static const char *link_gcc_c_sequence_spec = LINK_GCC_C_SEQUENCE_SPEC;
static const char *asm_spec = ASM_SPEC;
static const char *asm_final_spec = ASM_FINAL_SPEC;
static const char *link_spec = LINK_SPEC;
static const char *lib_spec = LIB_SPEC;
static const char *mfwrap_spec = MFWRAP_SPEC;
static const char *mflib_spec = MFLIB_SPEC;
static const char *libgcc_spec = LIBGCC_SPEC;
static const char *endfile_spec = ENDFILE_SPEC;
static const char *startfile_spec = STARTFILE_SPEC;
static const char *switches_need_spaces = SWITCHES_NEED_SPACES;
static const char *linker_name_spec = LINKER_NAME;
static const char *link_command_spec = LINK_COMMAND_SPEC;
static const char *link_libgcc_spec = LINK_LIBGCC_SPEC;
static const char *startfile_prefix_spec = STARTFILE_PREFIX_SPEC;
static const char *sysroot_suffix_spec = SYSROOT_SUFFIX_SPEC;
static const char *sysroot_hdrs_suffix_spec = SYSROOT_HEADERS_SUFFIX_SPEC;
static const char *trad_capable_cpp =
"cc1 -E %{traditional|ftraditional|traditional-cpp:-traditional-cpp}";
static const char *pch =
"-o %g.s %{!o*:--output-pch=%i.gch} %W{o*:--output-pch=%*} \
%{fsave-repository=*: \n as %a -o %w%* %g.s %A}%V";
static const char *cpp_unique_options =
"%{C|CC:%{!E:%eGCC does not support -C or -CC without -E}}\
%{!Q:-quiet} %{nostdinc*} %{C} %{CC} %{v} %{I*&F*} %{P} %I\
%{MD:-MD %{!o:%b.d}%{o*:%.d%*}}\
%{MMD:-MMD %{!o:%b.d}%{o*:%.d%*}}\
%{M} %{MM} %{MF*} %{MG} %{MP} %{MQ*} %{MT*}\
%{!E:%{!M:%{!MM:%{MD|MMD:%{o*:-MQ %*}}}}}\
%{remap} %{g3:-dD} %{H} %C %{D*&U*&A*} %{i*} %Z %i\
%{fmudflap:-D_MUDFLAP -include mf-runtime.h}\
%{fmudflapth:-D_MUDFLAP -D_MUDFLAPTH -include mf-runtime.h}\
%{E|M|MM:%W{o*}}";
static const char *cpp_options =
"%(cpp_unique_options) %1 %{m*} %{std*&ansi&trigraphs} %{W*&pedantic*} %{w}\
%{f*} %{g*:%{!g0:%{!fno-working-directory:-fworking-directory}}} %{O*}\
%{undef} %{save-temps:-fpch-preprocess}";
static const char *cpp_debug_options = "%{d*}";
static const char *cc1_options =
"%{fast:-O3}\
%{fastf:-O3}\
%{fastcp:-O3}"
"%{pg:%{fomit-frame-pointer:%e-pg and -fomit-frame-pointer are incompatible}}\
%1 %{!Q:-quiet} -dumpbase %B %{d*} %{m*} %{a*}\
%{c|S:%{o*:-auxbase-strip %*}%{!o*:-auxbase %b}}%{!c:%{!S:-auxbase %b}}\
%{g*} %{O*} %{W*&pedantic*} %{w} %{std*&ansi&trigraphs}\
%{v:-version} "
#ifdef TARGET_ARM
"%{pg:} "
#else
"%{pg:-p} "
#endif
"%{p} %{f*} %{undef}\
%{Qn:-fno-ident} %{--help:--help}\
%{--target-help:--target-help}\
%{!fsyntax-only:%{S:%W{o*}%{!o*:-o %b.s}}}\
%{fsyntax-only:-o %j} %{-param*}\
%{fmudflap|fmudflapth:-fno-builtin -fno-merge-constants}";
static const char *asm_options =
"%a %Y %{c:%W{o*}%{!o*:-o %w%b%O}}%{!c:-o %d%w%u%O}";
static const char *invoke_as =
#ifdef AS_NEEDS_DASH_FOR_PIPED_INPUT
"%{!S:-o %|.s |\n as %(asm_options) %|.s %A }";
#else
"%{!S:-o %|.s |\n as %(asm_options) %m.s %A }";
#endif
static struct obstack multilib_obstack;
static const char *multilib_select;
static const char *multilib_matches;
static const char *multilib_defaults;
static const char *multilib_exclusions;
#ifndef MULTILIB_DEFAULTS
#define MULTILIB_DEFAULTS { "" }
#endif
static const char *const multilib_defaults_raw[] = MULTILIB_DEFAULTS;
#ifndef DRIVER_SELF_SPECS
#define DRIVER_SELF_SPECS ""
#endif
static const char *const driver_self_specs[] = { DRIVER_SELF_SPECS };
#ifndef OPTION_DEFAULT_SPECS
#define OPTION_DEFAULT_SPECS { "", "" }
#endif
struct default_spec
{
const char *name;
const char *spec;
};
static const struct default_spec
option_default_specs[] = { OPTION_DEFAULT_SPECS };
struct user_specs
{
struct user_specs *next;
const char *filename;
};
static struct user_specs *user_specs_head, *user_specs_tail;
#ifndef SWITCH_TAKES_ARG
#define SWITCH_TAKES_ARG(CHAR) DEFAULT_SWITCH_TAKES_ARG(CHAR)
#endif
#ifndef WORD_SWITCH_TAKES_ARG
#define WORD_SWITCH_TAKES_ARG(STR) DEFAULT_WORD_SWITCH_TAKES_ARG (STR)
#endif
#ifdef HAVE_TARGET_EXECUTABLE_SUFFIX
#define DEFAULT_SWITCH_CURTAILS_COMPILATION(CHAR) \
((CHAR) == 'c' || (CHAR) == 'S')
#ifndef SWITCH_CURTAILS_COMPILATION
#define SWITCH_CURTAILS_COMPILATION(CHAR) \
DEFAULT_SWITCH_CURTAILS_COMPILATION(CHAR)
#endif
#endif
struct compiler
{
const char *suffix;
const char *spec;
const char *cpp_spec;
const int combinable;
const int needs_preprocessing;
};
static struct compiler *compilers;
static int n_compilers;
static const struct compiler default_compilers[] =
{
{".m", "#Objective-C", 0, 0, 0}, {".mi", "#Objective-C", 0, 0, 0},
{".mm", "#Objective-C++", 0, 0, 0}, {".M", "#Objective-C++", 0, 0, 0},
{".mii", "#Objective-C++", 0, 0, 0},
{".cc", "#C++", 0, 0, 0}, {".cxx", "#C++", 0, 0, 0},
{".cpp", "#C++", 0, 0, 0}, {".cp", "#C++", 0, 0, 0},
{".c++", "#C++", 0, 0, 0}, {".C", "#C++", 0, 0, 0},
{".CPP", "#C++", 0, 0, 0}, {".ii", "#C++", 0, 0, 0},
{".ads", "#Ada", 0, 0, 0}, {".adb", "#Ada", 0, 0, 0},
{".f", "#Fortran", 0, 0, 0}, {".for", "#Fortran", 0, 0, 0},
{".F", "#Fortran", 0, 0, 0}, {".FOR", "#Fortran", 0, 0, 0},
{".FPP", "#Fortran", 0, 0, 0},
{".f90", "#Fortran 95", 0, 0, 0}, {".f95", "#Fortran 95", 0, 0, 0},
{".fpp", "#Fortran", 0, 0, 0}, {".F", "#Fortran", 0, 0, 0},
{".FOR", "#Fortran", 0, 0, 0}, {".FPP", "#Fortran", 0, 0, 0},
{".r", "#Ratfor", 0, 0, 0},
{".p", "#Pascal", 0, 0, 0}, {".pas", "#Pascal", 0, 0, 0},
{".java", "#Java", 0, 0, 0}, {".class", "#Java", 0, 0, 0},
{".zip", "#Java", 0, 0, 0}, {".jar", "#Java", 0, 0, 0},
{".c", "@c", 0, 1, 1},
{"@c",
"%{E|M|MM:%(trad_capable_cpp) %(cpp_options) %(cpp_debug_options)}\
""\
%{precomp:%ecpp-precomp not supported}%{no-cpp-precomp:}%{Wno-precomp:}\
%{!E:%{!M:%{!MM:\
%{traditional|ftraditional:\
%eGNU C no longer supports -traditional without -E}\
%{combine|fast|fastf|fastcp:\
%{save-temps|traditional-cpp|no-integrated-cpp:%(trad_capable_cpp) \
%(cpp_options) -o %{save-temps:%b.i} %{!save-temps:%g.i}}\
%{!save-temps:%{!traditional-cpp:%{!no-integrated-cpp:\
cc1 %(cpp_unique_options) %(cc1_options)}}\
%{!fsyntax-only:%(invoke_as)}};:\
%{save-temps|traditional-cpp|no-integrated-cpp:%(trad_capable_cpp) \
%(cpp_options) -o %{save-temps:%b.i} %{!save-temps:%g.i} \n\
""\
cc1 -fpreprocessed %<fpredictive-compilation* %{save-temps:%b.i} %{!save-temps:%g.i} \
%(cc1_options)}\
%{!save-temps:%{!traditional-cpp:%{!no-integrated-cpp:\
cc1 %(cpp_unique_options) %(cc1_options)}}}\
%{!fsyntax-only:%(invoke_as)}}}}}", 0, 1, 1},
{"-",
"%{!E:%e-E or -x required when input is from standard input}\
%(trad_capable_cpp) %(cpp_options) %(cpp_debug_options)", 0, 0, 0},
{".h", "@c-header", 0, 0, 0},
{"@c-header",
"%{E|M|MM:%(trad_capable_cpp) %(cpp_options) %(cpp_debug_options)}\
%{!E:%{!M:%{!MM:\
%{save-temps|traditional-cpp|no-integrated-cpp:%(trad_capable_cpp) \
%(cpp_options) -o %{save-temps:%b.i} %{!save-temps:%g.i} \n\
""\
cc1 -fpreprocessed %<fpredictive-compilation* %{save-temps:%b.i} %{!save-temps:%g.i} \
%(cc1_options)\
""\
%(pch)}\
%{!save-temps:%{!traditional-cpp:%{!no-integrated-cpp:\
cc1 %(cpp_unique_options) %(cc1_options)\
""\
%(pch)}}}}}}", 0, 0, 0},
{".i", "@cpp-output", 0, 1, 0},
{"@cpp-output",
"%{!M:%{!MM:%{!E:cc1 -fpreprocessed %i %(cc1_options) %<fpredictive-compilation* %{!fsyntax-only:%(invoke_as)}}}}", 0, 1, 0},
{".s", "@assembler-with-cpp", 0, 1, 0},
{"@assembler",
"%{!M:%{!MM:%{!E:%{!S:as %(asm_debug) %(asm_options) %i %A }}}}", 0, 1, 0},
{".S", "@assembler-with-cpp", 0, 1, 0},
{"@assembler-with-cpp",
#ifdef AS_NEEDS_DASH_FOR_PIPED_INPUT
"%(trad_capable_cpp) -lang-asm %(cpp_options)\
%{E|M|MM:%(cpp_debug_options)}\
%{!M:%{!MM:%{!E:%{!S:-o %|.s |\n\
as %(asm_debug) %(asm_options) %|.s %A }}}}"
#else
"%(trad_capable_cpp) -lang-asm %(cpp_options)\
%{E|M|MM:%(cpp_debug_options)}\
%{!M:%{!MM:%{!E:%{!S:-o %|.s |\n\
as %(asm_debug) %(asm_options) %m.s %A }}}}"
#endif
, 0, 1, 0},
#include "specs.h"
{0, 0, 0, 0, 0}
};
static const int n_default_compilers = ARRAY_SIZE (default_compilers) - 1;
static const char *default_language;
static int n_linker_options;
static char **linker_options;
static int n_assembler_options;
static char **assembler_options;
static int n_preprocessor_options;
static char **preprocessor_options;
struct option_map
{
const char *const name;
const char *const equivalent;
const char *const arg_info;
};
static const struct option_map option_map[] =
{
{"--all-warnings", "-Wall", 0},
{"--ansi", "-ansi", 0},
{"--assemble", "-S", 0},
{"--assert", "-A", "a"},
{"--classpath", "-fclasspath=", "aj"},
{"--bootclasspath", "-fbootclasspath=", "aj"},
{"--CLASSPATH", "-fclasspath=", "aj"},
{"--combine", "-combine", 0},
{"--comments", "-C", 0},
{"--comments-in-macros", "-CC", 0},
{"--compile", "-c", 0},
{"--debug", "-g", "oj"},
{"--define-macro", "-D", "aj"},
{"--dependencies", "-M", 0},
{"--dump", "-d", "a"},
{"--dumpbase", "-dumpbase", "a"},
{"--encoding", "-fencoding=", "aj"},
{"--entry", "-e", 0},
{"--extra-warnings", "-W", 0},
{"--extdirs", "-fextdirs=", "aj"},
{"--for-assembler", "-Wa", "a"},
{"--for-linker", "-Xlinker", "a"},
{"--force-link", "-u", "a"},
{"--imacros", "-imacros", "a"},
{"--include", "-include", "a"},
{"--include-barrier", "-I-", 0},
{"--include-directory", "-I", "aj"},
{"--include-directory-after", "-idirafter", "a"},
{"--include-prefix", "-iprefix", "a"},
{"--include-with-prefix", "-iwithprefix", "a"},
{"--include-with-prefix-before", "-iwithprefixbefore", "a"},
{"--include-with-prefix-after", "-iwithprefix", "a"},
{"--language", "-x", "a"},
{"--library-directory", "-L", "a"},
{"--machine", "-m", "aj"},
{"--machine-", "-m", "*j"},
{"--no-integrated-cpp", "-no-integrated-cpp", 0},
{"--no-line-commands", "-P", 0},
{"--no-precompiled-includes", "-noprecomp", 0},
{"--no-standard-includes", "-nostdinc", 0},
{"--no-standard-libraries", "-nostdlib", 0},
{"--no-warnings", "-w", 0},
{"--optimize", "-O", "oj"},
{"--output", "-o", "a"},
{"--output-class-directory", "-foutput-class-dir=", "ja"},
{"--param", "--param", "a"},
{"--pass-exit-codes", "-pass-exit-codes", 0},
{"--pedantic", "-pedantic", 0},
{"--pedantic-errors", "-pedantic-errors", 0},
{"--pie", "-pie", 0},
{"--pipe", "-pipe", 0},
{"--prefix", "-B", "a"},
{"--preprocess", "-E", 0},
{"--print-search-dirs", "-print-search-dirs", 0},
{"--print-file-name", "-print-file-name=", "aj"},
{"--print-libgcc-file-name", "-print-libgcc-file-name", 0},
{"--print-missing-file-dependencies", "-MG", 0},
{"--print-multi-lib", "-print-multi-lib", 0},
{"--print-multi-directory", "-print-multi-directory", 0},
{"--print-multi-os-directory", "-print-multi-os-directory", 0},
{"--print-prog-name", "-print-prog-name=", "aj"},
{"--profile", "-p", 0},
{"--profile-blocks", "-a", 0},
{"--quiet", "-q", 0},
{"--resource", "-fcompile-resource=", "aj"},
{"--save-temps", "-save-temps", 0},
{"--shared", "-shared", 0},
{"--silent", "-q", 0},
{"--specs", "-specs=", "aj"},
{"--static", "-static", 0},
{"--std", "-std=", "aj"},
{"--symbolic", "-symbolic", 0},
{"--time", "-time", 0},
{"--trace-includes", "-H", 0},
{"--traditional", "-traditional", 0},
{"--traditional-cpp", "-traditional-cpp", 0},
{"--trigraphs", "-trigraphs", 0},
{"--undefine-macro", "-U", "aj"},
{"--user-dependencies", "-MM", 0},
{"--verbose", "-v", 0},
{"--warn-", "-W", "*j"},
{"--write-dependencies", "-MD", 0},
{"--write-user-dependencies", "-MMD", 0},
{"--", "-f", "*j"}
};
#ifdef TARGET_OPTION_TRANSLATE_TABLE
static const struct {
const char *const option_found;
const char *const replacements;
} target_option_translations[] =
{
TARGET_OPTION_TRANSLATE_TABLE,
{ 0, 0 }
};
#endif
static void
translate_options (int *argcp, const char *const **argvp)
{
int i;
int argc = *argcp;
const char *const *argv = *argvp;
int newvsize = (argc + 2) * 2 * sizeof (const char *);
const char **newv = xmalloc (newvsize);
int newindex = 0;
i = 0;
newv[newindex++] = argv[i++];
while (i < argc)
{
#ifdef TARGET_OPTION_TRANSLATE_TABLE
int tott_idx;
for (tott_idx = 0;
target_option_translations[tott_idx].option_found;
tott_idx++)
{
if (strcmp (target_option_translations[tott_idx].option_found,
argv[i]) == 0)
{
int spaces = 1;
const char *sp;
char *np;
for (sp = target_option_translations[tott_idx].replacements;
*sp; sp++)
{
if (*sp == ' ')
spaces ++;
}
newvsize += spaces * sizeof (const char *);
newv = xrealloc (newv, newvsize);
sp = target_option_translations[tott_idx].replacements;
np = xstrdup (sp);
while (1)
{
while (*np == ' ')
np++;
if (*np == 0)
break;
newv[newindex++] = np;
while (*np != ' ' && *np)
np++;
if (*np == 0)
break;
*np++ = 0;
}
i ++;
break;
}
}
if (target_option_translations[tott_idx].option_found)
continue;
#endif
if (argv[i][0] == '-' && argv[i][1] == '-')
{
size_t j;
for (j = 0; j < ARRAY_SIZE (option_map); j++)
{
size_t optlen = strlen (option_map[j].name);
size_t arglen = strlen (argv[i]);
size_t complen = arglen > optlen ? optlen : arglen;
const char *arginfo = option_map[j].arg_info;
if (arginfo == 0)
arginfo = "";
if (!strncmp (argv[i], option_map[j].name, complen))
{
const char *arg = 0;
if (arglen < optlen)
{
size_t k;
for (k = j + 1; k < ARRAY_SIZE (option_map); k++)
if (strlen (option_map[k].name) >= arglen
&& !strncmp (argv[i], option_map[k].name, arglen))
{
error ("ambiguous abbreviation %s", argv[i]);
break;
}
if (k != ARRAY_SIZE (option_map))
break;
}
if (arglen > optlen)
{
if (argv[i][optlen] == '=')
arg = argv[i] + optlen + 1;
else if (strchr (arginfo, '*') != 0)
arg = argv[i] + optlen;
else
continue;
}
else if (strchr (arginfo, '*') != 0)
{
error ("incomplete '%s' option", option_map[j].name);
break;
}
if (strchr (arginfo, 'a') != 0)
{
if (arg == 0)
{
if (i + 1 == argc)
{
error ("missing argument to '%s' option",
option_map[j].name);
break;
}
arg = argv[++i];
}
}
else if (strchr (arginfo, '*') != 0)
;
else if (strchr (arginfo, 'o') == 0)
{
if (arg != 0)
error ("extraneous argument to '%s' option",
option_map[j].name);
arg = 0;
}
if (arg != 0 && strchr (arginfo, 'j') != 0)
newv[newindex++] = concat (option_map[j].equivalent, arg,
NULL);
else if (arg != 0)
{
newv[newindex++] = option_map[j].equivalent;
newv[newindex++] = arg;
}
else
newv[newindex++] = option_map[j].equivalent;
break;
}
}
i++;
}
else if (argv[i][0] == '-')
{
const char *p = argv[i] + 1;
int c = *p;
int nskip = 1;
if (SWITCH_TAKES_ARG (c) > (p[1] != 0))
nskip += SWITCH_TAKES_ARG (c) - (p[1] != 0);
else if (WORD_SWITCH_TAKES_ARG (p))
nskip += WORD_SWITCH_TAKES_ARG (p);
else if ((c == 'B' || c == 'b' || c == 'x')
&& p[1] == 0)
nskip += 1;
else if (! strcmp (p, "Xlinker"))
nskip += 1;
else if (! strcmp (p, "Xpreprocessor"))
nskip += 1;
else if (! strcmp (p, "Xassembler"))
nskip += 1;
if (nskip + i > argc)
nskip = argc - i;
while (nskip > 0)
{
newv[newindex++] = argv[i++];
nskip--;
}
}
else
newv[newindex++] = argv[i++];
}
newv[newindex] = 0;
*argvp = newv;
*argcp = newindex;
}
static char *
skip_whitespace (char *p)
{
while (1)
{
if (p[0] == '\n' && p[1] == '\n' && p[2] == '\n')
return p + 1;
else if (*p == '\n' || *p == ' ' || *p == '\t')
p++;
else if (*p == '#')
{
while (*p != '\n')
p++;
p++;
}
else
break;
}
return p;
}
struct prefix_list
{
const char *prefix;
struct prefix_list *next;
int require_machine_suffix;
int priority;
int os_multilib;
};
struct path_prefix
{
struct prefix_list *plist;
int max_len;
const char *name;
};
static struct path_prefix exec_prefixes = { 0, 0, "exec" };
static struct path_prefix startfile_prefixes = { 0, 0, "startfile" };
static struct path_prefix include_prefixes = { 0, 0, "include" };
static const char *machine_suffix = 0;
static const char *just_machine_suffix = 0;
static const char *gcc_exec_prefix;
static const char *gcc_libexec_prefix;
#ifndef STANDARD_STARTFILE_PREFIX_1
#define STANDARD_STARTFILE_PREFIX_1 "/lib/"
#endif
#ifndef STANDARD_STARTFILE_PREFIX_2
#define STANDARD_STARTFILE_PREFIX_2 "/usr/lib/"
#endif
#ifdef CROSS_DIRECTORY_STRUCTURE
#undef MD_EXEC_PREFIX
#undef MD_STARTFILE_PREFIX
#undef MD_STARTFILE_PREFIX_1
#endif
#ifndef MD_EXEC_PREFIX
#define MD_EXEC_PREFIX ""
#endif
#ifndef MD_STARTFILE_PREFIX
#define MD_STARTFILE_PREFIX ""
#endif
#ifndef MD_STARTFILE_PREFIX_1
#define MD_STARTFILE_PREFIX_1 ""
#endif
static const char *const standard_exec_prefix = STANDARD_EXEC_PREFIX;
static const char *const standard_exec_prefix_1 = "/usr/libexec/gcc/";
static const char *const standard_exec_prefix_2 = "/usr/lib/gcc/";
static const char *md_exec_prefix = MD_EXEC_PREFIX;
static const char *md_startfile_prefix = MD_STARTFILE_PREFIX;
static const char *md_startfile_prefix_1 = MD_STARTFILE_PREFIX_1;
static const char *const standard_startfile_prefix = STANDARD_STARTFILE_PREFIX;
static const char *const standard_startfile_prefix_1
= STANDARD_STARTFILE_PREFIX_1;
static const char *const standard_startfile_prefix_2
= STANDARD_STARTFILE_PREFIX_2;
static const char *const tooldir_base_prefix = TOOLDIR_BASE_PREFIX;
static const char *tooldir_prefix;
static const char *const standard_bindir_prefix = STANDARD_BINDIR_PREFIX;
static const char *standard_libexec_prefix = STANDARD_LIBEXEC_PREFIX;
static const char *multilib_dir;
static const char *multilib_os_dir;
struct spec_list
{
const char *name;
const char *ptr;
const char **ptr_spec;
struct spec_list *next;
int name_len;
int alloc_p;
};
#define INIT_STATIC_SPEC(NAME,PTR) \
{ NAME, NULL, PTR, (struct spec_list *) 0, sizeof (NAME) - 1, 0 }
static struct spec_list static_specs[] =
{
INIT_STATIC_SPEC ("asm", &asm_spec),
INIT_STATIC_SPEC ("asm_debug", &asm_debug),
INIT_STATIC_SPEC ("asm_final", &asm_final_spec),
INIT_STATIC_SPEC ("asm_options", &asm_options),
INIT_STATIC_SPEC ("invoke_as", &invoke_as),
INIT_STATIC_SPEC ("cpp", &cpp_spec),
INIT_STATIC_SPEC ("cpp_options", &cpp_options),
INIT_STATIC_SPEC ("cpp_debug_options", &cpp_debug_options),
INIT_STATIC_SPEC ("cpp_unique_options", &cpp_unique_options),
INIT_STATIC_SPEC ("trad_capable_cpp", &trad_capable_cpp),
INIT_STATIC_SPEC ("pch", &pch),
INIT_STATIC_SPEC ("cc1", &cc1_spec),
INIT_STATIC_SPEC ("cc1_options", &cc1_options),
INIT_STATIC_SPEC ("cc1plus", &cc1plus_spec),
INIT_STATIC_SPEC ("link_gcc_c_sequence", &link_gcc_c_sequence_spec),
INIT_STATIC_SPEC ("endfile", &endfile_spec),
INIT_STATIC_SPEC ("link", &link_spec),
INIT_STATIC_SPEC ("lib", &lib_spec),
INIT_STATIC_SPEC ("mfwrap", &mfwrap_spec),
INIT_STATIC_SPEC ("mflib", &mflib_spec),
INIT_STATIC_SPEC ("libgcc", &libgcc_spec),
INIT_STATIC_SPEC ("startfile", &startfile_spec),
INIT_STATIC_SPEC ("switches_need_spaces", &switches_need_spaces),
INIT_STATIC_SPEC ("cross_compile", &cross_compile),
INIT_STATIC_SPEC ("version", &compiler_version),
INIT_STATIC_SPEC ("multilib", &multilib_select),
INIT_STATIC_SPEC ("multilib_defaults", &multilib_defaults),
INIT_STATIC_SPEC ("multilib_extra", &multilib_extra),
INIT_STATIC_SPEC ("multilib_matches", &multilib_matches),
INIT_STATIC_SPEC ("multilib_exclusions", &multilib_exclusions),
INIT_STATIC_SPEC ("multilib_options", &multilib_options),
INIT_STATIC_SPEC ("linker", &linker_name_spec),
INIT_STATIC_SPEC ("link_libgcc", &link_libgcc_spec),
INIT_STATIC_SPEC ("md_exec_prefix", &md_exec_prefix),
INIT_STATIC_SPEC ("md_startfile_prefix", &md_startfile_prefix),
INIT_STATIC_SPEC ("md_startfile_prefix_1", &md_startfile_prefix_1),
INIT_STATIC_SPEC ("startfile_prefix_spec", &startfile_prefix_spec),
INIT_STATIC_SPEC ("sysroot_suffix_spec", &sysroot_suffix_spec),
INIT_STATIC_SPEC ("sysroot_hdrs_suffix_spec", &sysroot_hdrs_suffix_spec),
};
#ifdef EXTRA_SPECS
struct spec_list_1
{
const char *const name;
const char *const ptr;
};
static const struct spec_list_1 extra_specs_1[] = { EXTRA_SPECS };
static struct spec_list *extra_specs = (struct spec_list *) 0;
#endif
static struct spec_list *specs = (struct spec_list *) 0;
static const struct spec_function static_spec_functions[] =
{
{ "if-exists", if_exists_spec_function },
{ "if-exists-else", if_exists_else_spec_function },
{ "replace-outfile", replace_outfile_spec_function },
{ "add-sysroot", add_sysroot_spec_function },
{ "version-compare", version_compare_spec_function },
{ 0, 0 }
};
static int processing_spec_function;
#if defined(ENABLE_SHARED_LIBGCC) && !defined(REAL_LIBGCC_SPEC)
#ifndef USE_LD_AS_NEEDED
#define USE_LD_AS_NEEDED 0
#endif
static void
init_gcc_specs (struct obstack *obstack, const char *shared_name,
const char *static_name, const char *eh_name)
{
char *buf;
buf = concat ("%{static|static-libgcc:", static_name, " ", eh_name,
"}%{!static:%{!static-libgcc:",
#if USE_LD_AS_NEEDED
"%{!shared-libgcc:", static_name,
" --as-needed ", shared_name, " --no-as-needed}"
"%{shared-libgcc:", shared_name, "%{!shared: ", static_name,
"}",
#else
"%{!shared:%{!shared-libgcc:", static_name, " ",
eh_name, "}%{shared-libgcc:", shared_name, " ",
static_name, "}}%{shared:",
#ifdef LINK_EH_SPEC
"%{shared-libgcc:", shared_name,
"}%{!shared-libgcc:", static_name, "}",
#else
shared_name,
#endif
#endif
"}}}", NULL);
obstack_grow (obstack, buf, strlen (buf));
free (buf);
}
#endif
static void
init_spec (void)
{
struct spec_list *next = (struct spec_list *) 0;
struct spec_list *sl = (struct spec_list *) 0;
int i;
if (specs)
return;
if (verbose_flag)
notice ("Using built-in specs.\n");
#ifdef EXTRA_SPECS
extra_specs = xcalloc (sizeof (struct spec_list),
ARRAY_SIZE (extra_specs_1));
for (i = ARRAY_SIZE (extra_specs_1) - 1; i >= 0; i--)
{
sl = &extra_specs[i];
sl->name = extra_specs_1[i].name;
sl->ptr = extra_specs_1[i].ptr;
sl->next = next;
sl->name_len = strlen (sl->name);
sl->ptr_spec = &sl->ptr;
next = sl;
}
#endif
asm_debug = ASM_DEBUG_SPEC;
for (i = ARRAY_SIZE (static_specs) - 1; i >= 0; i--)
{
sl = &static_specs[i];
sl->next = next;
next = sl;
}
#if defined(ENABLE_SHARED_LIBGCC) && !defined(REAL_LIBGCC_SPEC)
{
const char *p = libgcc_spec;
int in_sep = 1;
while (*p)
{
if (in_sep && *p == '-' && strncmp (p, "-lgcc", 5) == 0)
{
init_gcc_specs (&obstack,
"-lgcc_s"
#ifdef USE_LIBUNWIND_EXCEPTIONS
" -lunwind"
#endif
,
"-lgcc",
"-lgcc_eh"
#ifdef USE_LIBUNWIND_EXCEPTIONS
# ifdef HAVE_LD_STATIC_DYNAMIC
" %{!static:-Bstatic} -lunwind %{!static:-Bdynamic}"
# else
" -lunwind"
# endif
#endif
);
p += 5;
in_sep = 0;
}
else if (in_sep && *p == 'l' && strncmp (p, "libgcc.a%s", 10) == 0)
{
init_gcc_specs (&obstack,
"-lgcc_s",
"libgcc.a%s",
"libgcc_eh.a%s"
#ifdef USE_LIBUNWIND_EXCEPTIONS
" -lunwind"
#endif
);
p += 10;
in_sep = 0;
}
else
{
obstack_1grow (&obstack, *p);
in_sep = (*p == ' ');
p += 1;
}
}
obstack_1grow (&obstack, '\0');
libgcc_spec = obstack_finish (&obstack);
}
#endif
#ifdef USE_AS_TRADITIONAL_FORMAT
{
static const char tf[] = "--traditional-format ";
obstack_grow (&obstack, tf, sizeof(tf) - 1);
obstack_grow0 (&obstack, asm_spec, strlen (asm_spec));
asm_spec = obstack_finish (&obstack);
}
#endif
#ifdef LINK_EH_SPEC
obstack_grow (&obstack, LINK_EH_SPEC, sizeof(LINK_EH_SPEC) - 1);
obstack_grow0 (&obstack, link_spec, strlen (link_spec));
link_spec = obstack_finish (&obstack);
#endif
specs = sl;
}
static void
set_spec (const char *name, const char *spec)
{
struct spec_list *sl;
const char *old_spec;
int name_len = strlen (name);
int i;
if (!specs)
{
struct spec_list *next = (struct spec_list *) 0;
for (i = ARRAY_SIZE (static_specs) - 1; i >= 0; i--)
{
sl = &static_specs[i];
sl->next = next;
next = sl;
}
specs = sl;
}
for (sl = specs; sl; sl = sl->next)
if (name_len == sl->name_len && !strcmp (sl->name, name))
break;
if (!sl)
{
sl = xmalloc (sizeof (struct spec_list));
sl->name = xstrdup (name);
sl->name_len = name_len;
sl->ptr_spec = &sl->ptr;
sl->alloc_p = 0;
*(sl->ptr_spec) = "";
sl->next = specs;
specs = sl;
}
old_spec = *(sl->ptr_spec);
*(sl->ptr_spec) = ((spec[0] == '+' && ISSPACE ((unsigned char)spec[1]))
? concat (old_spec, spec + 1, NULL)
: xstrdup (spec));
#ifdef DEBUG_SPECS
if (verbose_flag)
notice ("Setting spec %s to '%s'\n\n", name, *(sl->ptr_spec));
#endif
if (old_spec && sl->alloc_p)
free ((void *) old_spec);
sl->alloc_p = 1;
}
static const char **argbuf;
static int argbuf_length;
static int argbuf_index;
static int have_o_argbuf_index = 0;
static struct temp_name {
const char *suffix;
int length;
int unique;
const char *filename;
int filename_length;
struct temp_name *next;
} *temp_names;
static int execution_count;
static int signal_count;
static const char *programname;
static void
alloc_args (void)
{
argbuf_length = 10;
argbuf = xmalloc (argbuf_length * sizeof (const char *));
}
static void
clear_args (void)
{
argbuf_index = 0;
}
static void
store_arg (const char *arg, int delete_always, int delete_failure)
{
if (argbuf_index + 1 == argbuf_length)
argbuf = xrealloc (argbuf, (argbuf_length *= 2) * sizeof (const char *));
argbuf[argbuf_index++] = arg;
argbuf[argbuf_index] = 0;
if (strcmp (arg, "-o") == 0)
have_o_argbuf_index = argbuf_index;
if (delete_always || delete_failure)
record_temp_file (arg, delete_always, delete_failure);
}
static char *
load_specs (const char *filename)
{
int desc;
int readlen;
struct stat statbuf;
char *buffer;
char *buffer_p;
char *specs;
char *specs_p;
if (verbose_flag)
notice ("Reading specs from %s\n", filename);
desc = open (filename, O_RDONLY, 0);
if (desc < 0)
pfatal_with_name (filename);
if (stat (filename, &statbuf) < 0)
pfatal_with_name (filename);
buffer = xmalloc ((unsigned) statbuf.st_size + 1);
readlen = read (desc, buffer, (unsigned) statbuf.st_size);
if (readlen < 0)
pfatal_with_name (filename);
buffer[readlen] = 0;
close (desc);
specs = xmalloc (readlen + 1);
specs_p = specs;
for (buffer_p = buffer; buffer_p && *buffer_p; buffer_p++)
{
int skip = 0;
char c = *buffer_p;
if (c == '\r')
{
if (buffer_p > buffer && *(buffer_p - 1) == '\n')
skip = 1;
else if (*(buffer_p + 1) == '\n')
skip = 1;
else
c = '\n';
}
if (! skip)
*specs_p++ = c;
}
*specs_p = '\0';
free (buffer);
return (specs);
}
static void
read_specs (const char *filename, int main_p)
{
char *buffer;
char *p;
buffer = load_specs (filename);
p = buffer;
while (1)
{
char *suffix;
char *spec;
char *in, *out, *p1, *p2, *p3;
p = skip_whitespace (p);
if (*p == 0)
break;
if (*p == '%' && !main_p)
{
p1 = p;
while (*p && *p != '\n')
p++;
p++;
if (!strncmp (p1, "%include", sizeof ("%include") - 1)
&& (p1[sizeof "%include" - 1] == ' '
|| p1[sizeof "%include" - 1] == '\t'))
{
char *new_filename;
p1 += sizeof ("%include");
while (*p1 == ' ' || *p1 == '\t')
p1++;
if (*p1++ != '<' || p[-2] != '>')
fatal ("specs %%include syntax malformed after %ld characters",
(long) (p1 - buffer + 1));
p[-2] = '\0';
new_filename = find_a_file (&startfile_prefixes, p1, R_OK, 0);
read_specs (new_filename ? new_filename : p1, FALSE);
continue;
}
else if (!strncmp (p1, "%include_noerr", sizeof "%include_noerr" - 1)
&& (p1[sizeof "%include_noerr" - 1] == ' '
|| p1[sizeof "%include_noerr" - 1] == '\t'))
{
char *new_filename;
p1 += sizeof "%include_noerr";
while (*p1 == ' ' || *p1 == '\t')
p1++;
if (*p1++ != '<' || p[-2] != '>')
fatal ("specs %%include syntax malformed after %ld characters",
(long) (p1 - buffer + 1));
p[-2] = '\0';
new_filename = find_a_file (&startfile_prefixes, p1, R_OK, 0);
if (new_filename)
read_specs (new_filename, FALSE);
else if (verbose_flag)
notice ("could not find specs file %s\n", p1);
continue;
}
else if (!strncmp (p1, "%rename", sizeof "%rename" - 1)
&& (p1[sizeof "%rename" - 1] == ' '
|| p1[sizeof "%rename" - 1] == '\t'))
{
int name_len;
struct spec_list *sl;
struct spec_list *newsl;
p1 += sizeof "%rename";
while (*p1 == ' ' || *p1 == '\t')
p1++;
if (! ISALPHA ((unsigned char) *p1))
fatal ("specs %%rename syntax malformed after %ld characters",
(long) (p1 - buffer));
p2 = p1;
while (*p2 && !ISSPACE ((unsigned char) *p2))
p2++;
if (*p2 != ' ' && *p2 != '\t')
fatal ("specs %%rename syntax malformed after %ld characters",
(long) (p2 - buffer));
name_len = p2 - p1;
*p2++ = '\0';
while (*p2 == ' ' || *p2 == '\t')
p2++;
if (! ISALPHA ((unsigned char) *p2))
fatal ("specs %%rename syntax malformed after %ld characters",
(long) (p2 - buffer));
p3 = p2;
while (*p3 && !ISSPACE ((unsigned char) *p3))
p3++;
if (p3 != p - 1)
fatal ("specs %%rename syntax malformed after %ld characters",
(long) (p3 - buffer));
*p3 = '\0';
for (sl = specs; sl; sl = sl->next)
if (name_len == sl->name_len && !strcmp (sl->name, p1))
break;
if (!sl)
fatal ("specs %s spec was not found to be renamed", p1);
if (strcmp (p1, p2) == 0)
continue;
for (newsl = specs; newsl; newsl = newsl->next)
if (strcmp (newsl->name, p2) == 0)
fatal ("%s: attempt to rename spec '%s' to already defined spec '%s'",
filename, p1, p2);
if (verbose_flag)
{
notice ("rename spec %s to %s\n", p1, p2);
#ifdef DEBUG_SPECS
notice ("spec is '%s'\n\n", *(sl->ptr_spec));
#endif
}
set_spec (p2, *(sl->ptr_spec));
if (sl->alloc_p)
free ((void *) *(sl->ptr_spec));
*(sl->ptr_spec) = "";
sl->alloc_p = 0;
continue;
}
else
fatal ("specs unknown %% command after %ld characters",
(long) (p1 - buffer));
}
p1 = p;
while (*p1 && *p1 != ':' && *p1 != '\n')
p1++;
if (*p1 != ':')
fatal ("specs file malformed after %ld characters",
(long) (p1 - buffer));
p2 = p1;
while (p2 > buffer && (p2[-1] == ' ' || p2[-1] == '\t'))
p2--;
suffix = save_string (p, p2 - p);
p = skip_whitespace (p1 + 1);
if (p[1] == 0)
fatal ("specs file malformed after %ld characters",
(long) (p - buffer));
p1 = p;
while (*p1 && !(*p1 == '\n' && (p1[1] == '\n' || p1[1] == '\0')))
p1++;
spec = save_string (p, p1 - p);
p = p1;
in = spec;
out = spec;
while (*in != 0)
{
if (in[0] == '\\' && in[1] == '\n')
in += 2;
else if (in[0] == '#')
while (*in && *in != '\n')
in++;
else
*out++ = *in++;
}
*out = 0;
if (suffix[0] == '*')
{
if (! strcmp (suffix, "*link_command"))
link_command_spec = spec;
else
set_spec (suffix + 1, spec);
}
else
{
compilers
= xrealloc (compilers,
(n_compilers + 2) * sizeof (struct compiler));
compilers[n_compilers].suffix = suffix;
compilers[n_compilers].spec = spec;
n_compilers++;
memset (&compilers[n_compilers], 0, sizeof compilers[n_compilers]);
}
if (*suffix == 0)
link_command_spec = spec;
}
if (link_command_spec == 0)
fatal ("spec file has no spec for linking");
}
static const char *temp_filename;
static int temp_filename_length;
struct temp_file
{
const char *name;
struct temp_file *next;
};
static struct temp_file *always_delete_queue;
static struct temp_file *failure_delete_queue;
void
record_temp_file (const char *filename, int always_delete, int fail_delete)
{
char *const name = xstrdup (filename);
if (always_delete)
{
struct temp_file *temp;
for (temp = always_delete_queue; temp; temp = temp->next)
if (! strcmp (name, temp->name))
goto already1;
temp = xmalloc (sizeof (struct temp_file));
temp->next = always_delete_queue;
temp->name = name;
always_delete_queue = temp;
already1:;
}
if (fail_delete)
{
struct temp_file *temp;
for (temp = failure_delete_queue; temp; temp = temp->next)
if (! strcmp (name, temp->name))
goto already2;
temp = xmalloc (sizeof (struct temp_file));
temp->next = failure_delete_queue;
temp->name = name;
failure_delete_queue = temp;
already2:;
}
}
#ifndef DELETE_IF_ORDINARY
#define DELETE_IF_ORDINARY(NAME,ST,VERBOSE_FLAG) \
do \
{ \
if (stat (NAME, &ST) >= 0 && S_ISREG (ST.st_mode)) \
if (unlink (NAME) < 0) \
if (VERBOSE_FLAG) \
perror_with_name (NAME); \
} while (0)
#endif
static void
delete_if_ordinary (const char *name)
{
struct stat st;
#ifdef DEBUG
int i, c;
printf ("Delete %s? (y or n) ", name);
fflush (stdout);
i = getchar ();
if (i != '\n')
while ((c = getchar ()) != '\n' && c != EOF)
;
if (i == 'y' || i == 'Y')
#endif
DELETE_IF_ORDINARY (name, st, verbose_flag);
}
static void
delete_temp_files (void)
{
struct temp_file *temp;
for (temp = always_delete_queue; temp; temp = temp->next)
delete_if_ordinary (temp->name);
always_delete_queue = 0;
}
static void
delete_failure_queue (void)
{
struct temp_file *temp;
for (temp = failure_delete_queue; temp; temp = temp->next)
delete_if_ordinary (temp->name);
}
static void
clear_failure_queue (void)
{
failure_delete_queue = 0;
}
static char *
build_search_list (struct path_prefix *paths, const char *prefix,
int check_dir_p)
{
int suffix_len = (machine_suffix) ? strlen (machine_suffix) : 0;
int just_suffix_len
= (just_machine_suffix) ? strlen (just_machine_suffix) : 0;
int first_time = TRUE;
struct prefix_list *pprefix;
obstack_grow (&collect_obstack, prefix, strlen (prefix));
obstack_1grow (&collect_obstack, '=');
for (pprefix = paths->plist; pprefix != 0; pprefix = pprefix->next)
{
int len = strlen (pprefix->prefix);
if (machine_suffix
&& (! check_dir_p
|| is_directory (pprefix->prefix, machine_suffix, 0)))
{
if (!first_time)
obstack_1grow (&collect_obstack, PATH_SEPARATOR);
first_time = FALSE;
obstack_grow (&collect_obstack, pprefix->prefix, len);
obstack_grow (&collect_obstack, machine_suffix, suffix_len);
}
if (just_machine_suffix
&& pprefix->require_machine_suffix == 2
&& (! check_dir_p
|| is_directory (pprefix->prefix, just_machine_suffix, 0)))
{
if (! first_time)
obstack_1grow (&collect_obstack, PATH_SEPARATOR);
first_time = FALSE;
obstack_grow (&collect_obstack, pprefix->prefix, len);
obstack_grow (&collect_obstack, just_machine_suffix,
just_suffix_len);
}
if (! pprefix->require_machine_suffix)
{
if (! first_time)
obstack_1grow (&collect_obstack, PATH_SEPARATOR);
first_time = FALSE;
obstack_grow (&collect_obstack, pprefix->prefix, len);
}
}
obstack_1grow (&collect_obstack, '\0');
return obstack_finish (&collect_obstack);
}
static void
putenv_from_prefixes (struct path_prefix *paths, const char *env_var)
{
putenv (build_search_list (paths, env_var, 1));
}
static int
access_check (const char *name, int mode)
{
if (mode == X_OK)
{
struct stat st;
if (stat (name, &st) < 0
|| S_ISDIR (st.st_mode))
return -1;
}
return access (name, mode);
}
static char *
find_a_file (struct path_prefix *pprefix, const char *name, int mode,
int multilib)
{
char *temp;
const char *const file_suffix =
((mode & X_OK) != 0 ? HOST_EXECUTABLE_SUFFIX : "");
struct prefix_list *pl;
int len = pprefix->max_len + strlen (name) + strlen (file_suffix) + 1;
const char *multilib_name, *multilib_os_name;
#ifdef DEFAULT_ASSEMBLER
if (! strcmp (name, "as") && access (DEFAULT_ASSEMBLER, mode) == 0)
return xstrdup (DEFAULT_ASSEMBLER);
#endif
#ifdef DEFAULT_LINKER
if (! strcmp(name, "ld") && access (DEFAULT_LINKER, mode) == 0)
return xstrdup (DEFAULT_LINKER);
#endif
if (machine_suffix)
len += strlen (machine_suffix);
multilib_name = name;
multilib_os_name = name;
if (multilib && multilib_os_dir)
{
int len1 = multilib_dir ? strlen (multilib_dir) + 1 : 0;
int len2 = strlen (multilib_os_dir) + 1;
len += len1 > len2 ? len1 : len2;
if (multilib_dir)
multilib_name = ACONCAT ((multilib_dir, dir_separator_str, name,
NULL));
if (strcmp (multilib_os_dir, ".") != 0)
multilib_os_name = ACONCAT ((multilib_os_dir, dir_separator_str, name,
NULL));
}
temp = xmalloc (len);
if (IS_ABSOLUTE_PATH (name))
{
if (access (name, mode) == 0)
{
strcpy (temp, name);
return temp;
}
}
else
for (pl = pprefix->plist; pl; pl = pl->next)
{
const char *this_name
= pl->os_multilib ? multilib_os_name : multilib_name;
if (machine_suffix)
{
if (file_suffix[0] != 0)
{
strcpy (temp, pl->prefix);
strcat (temp, machine_suffix);
strcat (temp, multilib_name);
strcat (temp, file_suffix);
if (access_check (temp, mode) == 0)
return temp;
}
strcpy (temp, pl->prefix);
strcat (temp, machine_suffix);
strcat (temp, multilib_name);
if (access_check (temp, mode) == 0)
return temp;
}
if (just_machine_suffix && pl->require_machine_suffix == 2)
{
if (file_suffix[0] != 0)
{
strcpy (temp, pl->prefix);
strcat (temp, just_machine_suffix);
strcat (temp, multilib_name);
strcat (temp, file_suffix);
if (access_check (temp, mode) == 0)
return temp;
}
strcpy (temp, pl->prefix);
strcat (temp, just_machine_suffix);
strcat (temp, multilib_name);
if (access_check (temp, mode) == 0)
return temp;
}
if (! pl->require_machine_suffix)
{
if (file_suffix[0] != 0)
{
strcpy (temp, pl->prefix);
strcat (temp, this_name);
strcat (temp, file_suffix);
if (access_check (temp, mode) == 0)
return temp;
}
strcpy (temp, pl->prefix);
strcat (temp, this_name);
if (access_check (temp, mode) == 0)
return temp;
}
}
free (temp);
return 0;
}
enum path_prefix_priority
{
PREFIX_PRIORITY_FIRST,
PREFIX_PRIORITY_B_OPT,
PREFIX_PRIORITY_LAST
};
static void
add_prefix (struct path_prefix *pprefix, const char *prefix,
const char *component, int priority,
int require_machine_suffix, int os_multilib)
{
struct prefix_list *pl, **prev;
int len;
for (prev = &pprefix->plist;
(*prev) != NULL && (*prev)->priority <= priority;
prev = &(*prev)->next)
;
prefix = update_path (prefix, component);
len = strlen (prefix);
if (len > pprefix->max_len)
pprefix->max_len = len;
pl = xmalloc (sizeof (struct prefix_list));
pl->prefix = prefix;
pl->require_machine_suffix = require_machine_suffix;
pl->priority = priority;
pl->os_multilib = os_multilib;
pl->next = (*prev);
(*prev) = pl;
}
static void
add_sysrooted_prefix (struct path_prefix *pprefix, const char *prefix,
const char *component,
int priority,
int require_machine_suffix, int os_multilib)
{
if (!IS_ABSOLUTE_PATH (prefix))
fatal ("system path '%s' is not absolute", prefix);
if (target_system_root)
{
if (target_sysroot_suffix)
prefix = concat (target_sysroot_suffix, prefix, NULL);
prefix = concat (target_system_root, prefix, NULL);
component = "GCC";
}
add_prefix (pprefix, prefix, component, priority,
require_machine_suffix, os_multilib);
}
static int
execute (void)
{
int i;
int n_commands;
char *string;
struct command
{
const char *prog;
const char **argv;
int pid;
};
struct command *commands;
gcc_assert (!processing_spec_function);
for (n_commands = 1, i = 0; i < argbuf_index; i++)
if (strcmp (argbuf[i], "|") == 0)
n_commands++;
commands = alloca (n_commands * sizeof (struct command));
commands[0].prog = argbuf[0];
commands[0].argv = &argbuf[0];
string = find_a_file (&exec_prefixes, commands[0].prog, X_OK, 0);
if (string)
commands[0].argv[0] = string;
for (n_commands = 1, i = 0; i < argbuf_index; i++)
if (strcmp (argbuf[i], "|") == 0)
{
#if defined (__MSDOS__) || defined (OS2) || defined (VMS)
fatal ("-pipe not supported");
#endif
argbuf[i] = 0;
commands[n_commands].prog = argbuf[i + 1];
commands[n_commands].argv = &argbuf[i + 1];
string = find_a_file (&exec_prefixes, commands[n_commands].prog,
X_OK, 0);
if (string)
commands[n_commands].argv[0] = string;
n_commands++;
}
argbuf[argbuf_index] = 0;
if (verbose_flag || cc_print_options)
{
if (print_help_list)
fputc ('\n', stderr);
for (i = 0; i < n_commands; i++)
{
const char *const *j;
FILE *f = stderr;
if (cc_print_options)
{
if (cc_print_options_filename)
{
f = fopen (cc_print_options_filename, "a");
if (!f)
{
fprintf (stderr, "can not open CC_PRINT_OPTIONS_FILE %s\n",
cc_print_options_filename);
exit (1);
}
}
fprintf (f, "[Logging gcc options]");
}
if (verbose_only_flag || cc_print_options)
{
for (j = commands[i].argv; *j; j++)
{
const char *p;
fprintf (f, " \"");
for (p = *j; *p; ++p)
{
if (*p == '"' || *p == '\\' || *p == '$')
fputc ('\\', f);
fputc (*p, f);
}
fputc ('"', f);
}
}
else
for (j = commands[i].argv; *j; j++)
fprintf (f, " %s", *j);
if (i + 1 != n_commands)
fprintf (f, " |");
fprintf (f, "\n");
if (cc_print_options_filename)
fclose (f);
}
fflush (stderr);
if (verbose_only_flag != 0)
{
execution_count++;
return 0;
}
#ifdef DEBUG
notice ("\nGo ahead? (y or n) ");
fflush (stderr);
i = getchar ();
if (i != '\n')
while (getchar () != '\n')
;
if (i != 'y' && i != 'Y')
return 0;
#endif
}
#ifdef ENABLE_VALGRIND_CHECKING
for (i = 0; i < n_commands; i++)
{
const char **argv;
int argc;
int j;
for (argc = 0; commands[i].argv[argc] != NULL; argc++)
;
argv = alloca ((argc + 3) * sizeof (char *));
argv[0] = VALGRIND_PATH;
argv[1] = "-q";
for (j = 2; j < argc + 2; j++)
argv[j] = commands[i].argv[j - 2];
argv[j] = NULL;
commands[i].argv = argv;
commands[i].prog = argv[0];
}
#endif
for (i = 0; i < n_commands; i++)
{
char *errmsg_fmt, *errmsg_arg;
const char *string = commands[i].argv[0];
if (verbose_flag && print_help_list
&& (!strcmp ("/usr/libexec/gcc/darwin/ppc/as", string)
|| !strcmp ("/usr/libexec/gcc/darwin/i386/as", string)
|| !strcmp ("ld", string)))
{
}
else
commands[i].pid = pexecute (string, (char *const *) commands[i].argv,
programname, temp_filename,
&errmsg_fmt, &errmsg_arg,
((i == 0 ? PEXECUTE_FIRST : 0)
| (i + 1 == n_commands ? PEXECUTE_LAST : 0)
| (string == commands[i].prog
? PEXECUTE_SEARCH : 0)
| (verbose_flag ? PEXECUTE_VERBOSE : 0)));
if (commands[i].pid == -1)
pfatal_pexecute (errmsg_fmt, errmsg_arg);
if (string != commands[i].prog)
free ((void *) string);
}
execution_count++;
{
int ret_code = 0;
#ifdef HAVE_GETRUSAGE
struct timeval d;
double ut = 0.0, st = 0.0;
#endif
for (i = 0; i < n_commands;)
{
int j;
int status;
int pid;
if (verbose_flag && print_help_list
&& (!strcmp ("as", commands[i].prog)
|| !strcmp ("ld", commands[i].prog)))
{
i++;
continue;
}
pid = pwait (commands[i].pid, &status, 0);
gcc_assert (pid >= 0);
#ifdef HAVE_GETRUSAGE
if (report_times)
{
prus = rus;
getrusage (RUSAGE_CHILDREN, &rus);
d.tv_sec = rus.ru_utime.tv_sec - prus.ru_utime.tv_sec;
d.tv_usec = rus.ru_utime.tv_usec - prus.ru_utime.tv_usec;
ut = (double) d.tv_sec + (double) d.tv_usec / 1.0e6;
d.tv_sec = rus.ru_stime.tv_sec - prus.ru_stime.tv_sec;
d.tv_usec = rus.ru_stime.tv_usec - prus.ru_stime.tv_usec;
st = (double) d.tv_sec + (double) d.tv_usec / 1.0e6;
}
#endif
for (j = 0; j < n_commands; j++)
if (commands[j].pid == pid)
{
i++;
if (WIFSIGNALED (status))
{
#ifdef SIGPIPE
if (WTERMSIG (status) == SIGPIPE
&& (signal_count || greatest_status >= MIN_FATAL_STATUS))
;
else
#endif
fatal ("\
Internal error: %s (program %s)\n\
Please submit a full bug report.\n\
See %s for instructions.",
strsignal (WTERMSIG (status)), commands[j].prog,
bug_report_url);
signal_count++;
ret_code = -1;
}
else if (WIFEXITED (status)
&& WEXITSTATUS (status) >= MIN_FATAL_STATUS)
{
if (WEXITSTATUS (status) > greatest_status)
greatest_status = WEXITSTATUS (status);
ret_code = -1;
}
#ifdef HAVE_GETRUSAGE
if (report_times && ut + st != 0)
notice ("# %s %.2f %.2f\n", commands[j].prog, ut, st);
#endif
break;
}
}
return ret_code;
}
}
#define SWITCH_OK 0
#define SWITCH_FALSE -1
#define SWITCH_IGNORE -2
#define SWITCH_LIVE 1
struct switchstr
{
const char *part1;
const char **args;
int live_cond;
unsigned char validated;
unsigned char ordering;
};
static struct switchstr *switches;
static int n_switches;
struct infile
{
const char *name;
const char *language;
struct compiler *incompiler;
const char *temp_filename;
bool compiled;
bool preprocessed;
};
static struct infile *infiles;
int n_infiles;
static bool combine_inputs;
static int traditional_cpp_flag = 0;
static int capital_e_flag = 0;
static int added_libraries;
const char **outfiles;
#if defined(HAVE_TARGET_OBJECT_SUFFIX) || defined(HAVE_TARGET_EXECUTABLE_SUFFIX)
static const char *
convert_filename (const char *name, int do_exe ATTRIBUTE_UNUSED,
int do_obj ATTRIBUTE_UNUSED)
{
#if defined(HAVE_TARGET_EXECUTABLE_SUFFIX)
int i;
#endif
int len;
if (name == NULL)
return NULL;
len = strlen (name);
#ifdef HAVE_TARGET_OBJECT_SUFFIX
if (do_obj && len > 2
&& name[len - 2] == '.'
&& name[len - 1] == 'o')
{
obstack_grow (&obstack, name, len - 2);
obstack_grow0 (&obstack, TARGET_OBJECT_SUFFIX, strlen (TARGET_OBJECT_SUFFIX));
name = obstack_finish (&obstack);
}
#endif
#if defined(HAVE_TARGET_EXECUTABLE_SUFFIX)
if (! do_exe || TARGET_EXECUTABLE_SUFFIX[0] == 0 || (len == 2 && name[0] == '-'))
return name;
for (i = len - 1; i >= 0; i--)
if (IS_DIR_SEPARATOR (name[i]))
break;
for (i++; i < len; i++)
if (name[i] == '.')
return name;
obstack_grow (&obstack, name, len);
obstack_grow0 (&obstack, TARGET_EXECUTABLE_SUFFIX,
strlen (TARGET_EXECUTABLE_SUFFIX));
name = obstack_finish (&obstack);
#endif
return name;
}
#endif
static void
display_help (void)
{
printf (_("Usage: %s [options] file...\n"), programname);
fputs (_("Options:\n"), stdout);
fputs (_(" -pass-exit-codes Exit with highest error code from a phase\n"), stdout);
fputs (_(" --help Display this information\n"), stdout);
fputs (_(" --target-help Display target specific command line options\n"), stdout);
if (! verbose_flag)
fputs (_(" (Use '-v --help' to display command line options of sub-processes)\n"), stdout);
fputs (_(" -dumpspecs Display all of the built in spec strings\n"), stdout);
fputs (_(" -dumpversion Display the version of the compiler\n"), stdout);
fputs (_(" -dumpmachine Display the compiler's target processor\n"), stdout);
fputs (_(" -print-search-dirs Display the directories in the compiler's search path\n"), stdout);
fputs (_(" -print-libgcc-file-name Display the name of the compiler's companion library\n"), stdout);
fputs (_(" -print-file-name=<lib> Display the full path to library <lib>\n"), stdout);
fputs (_(" -print-prog-name=<prog> Display the full path to compiler component <prog>\n"), stdout);
fputs (_(" -print-multi-directory Display the root directory for versions of libgcc\n"), stdout);
fputs (_("\
-print-multi-lib Display the mapping between command line options and\n\
multiple library search directories\n"), stdout);
fputs (_(" -print-multi-os-directory Display the relative path to OS libraries\n"), stdout);
fputs (_(" -Wa,<options> Pass comma-separated <options> on to the assembler\n"), stdout);
fputs (_(" -Wp,<options> Pass comma-separated <options> on to the preprocessor\n"), stdout);
fputs (_(" -Wl,<options> Pass comma-separated <options> on to the linker\n"), stdout);
fputs (_(" -Xassembler <arg> Pass <arg> on to the assembler\n"), stdout);
fputs (_(" -Xpreprocessor <arg> Pass <arg> on to the preprocessor\n"), stdout);
fputs (_(" -Xlinker <arg> Pass <arg> on to the linker\n"), stdout);
fputs (_(" -combine Pass multiple source files to compiler at once\n"), stdout);
fputs (_(" -save-temps Do not delete intermediate files\n"), stdout);
fputs (_(" -pipe Use pipes rather than intermediate files\n"), stdout);
fputs (_(" -time Time the execution of each subprocess\n"), stdout);
fputs (_(" -specs=<file> Override built-in specs with the contents of <file>\n"), stdout);
fputs (_(" -std=<standard> Assume that the input sources are for <standard>\n"), stdout);
fputs (_(" -B <directory> Add <directory> to the compiler's search paths\n"), stdout);
fputs (_(" -b <machine> Run gcc for target <machine>, if installed\n"), stdout);
fputs (_(" -V <version> Run gcc version number <version>, if installed\n"), stdout);
fputs (_(" -v Display the programs invoked by the compiler\n"), stdout);
fputs (_(" -### Like -v but options quoted and commands not executed\n"), stdout);
fputs (_(" -E Preprocess only; do not compile, assemble or link\n"), stdout);
fputs (_(" -S Compile only; do not assemble or link\n"), stdout);
fputs (_(" -c Compile and assemble, but do not link\n"), stdout);
fputs (_(" -o <file> Place the output into <file>\n"), stdout);
fputs (_("\
-x <language> Specify the language of the following input files\n\
Permissible languages include: c c++ assembler none\n\
'none' means revert to the default behavior of\n\
guessing the language based on the file's extension\n\
"), stdout);
printf (_("\
\nOptions starting with -g, -f, -m, -O, -W, or --param are automatically\n\
passed on to the various sub-processes invoked by %s. In order to pass\n\
other options on to these processes the -W<letter> options must be used.\n\
"), programname);
}
static void
add_preprocessor_option (const char *option, int len)
{
n_preprocessor_options++;
if (! preprocessor_options)
preprocessor_options = xmalloc (n_preprocessor_options * sizeof (char *));
else
preprocessor_options = xrealloc (preprocessor_options,
n_preprocessor_options * sizeof (char *));
preprocessor_options [n_preprocessor_options - 1] =
save_string (option, len);
}
static void
add_assembler_option (const char *option, int len)
{
n_assembler_options++;
if (! assembler_options)
assembler_options = xmalloc (n_assembler_options * sizeof (char *));
else
assembler_options = xrealloc (assembler_options,
n_assembler_options * sizeof (char *));
assembler_options [n_assembler_options - 1] = save_string (option, len);
}
static void
add_linker_option (const char *option, int len)
{
n_linker_options++;
if (! linker_options)
linker_options = xmalloc (n_linker_options * sizeof (char *));
else
linker_options = xrealloc (linker_options,
n_linker_options * sizeof (char *));
linker_options [n_linker_options - 1] = save_string (option, len);
}
static void
process_command (int argc, const char **argv)
{
int i;
const char *temp;
char *temp1;
const char *spec_lang = 0;
int last_language_n_infiles;
int have_c = 0;
int lang_n_infiles = 0;
#ifdef MODIFY_TARGET_NAME
int is_modify_target_name;
int j;
#endif
GET_ENVIRONMENT (gcc_exec_prefix, "GCC_EXEC_PREFIX");
n_switches = 0;
n_infiles = 0;
added_libraries = 0;
compiler_version = temp1 = xstrdup (version_string);
for (; *temp1; ++temp1)
{
if (*temp1 == ' ')
{
*temp1 = '\0';
break;
}
}
translate_options (&argc, (const char *const **) &argv);
if (argc > 1 && argv[1][0] == '-'
&& (argv[1][1] == 'V' || argv[1][1] == 'b'))
{
const char *new_version = DEFAULT_TARGET_VERSION;
const char *new_machine = DEFAULT_TARGET_MACHINE;
const char *progname = argv[0];
char **new_argv;
char *new_argv0;
int baselen;
while (argc > 1 && argv[1][0] == '-'
&& (argv[1][1] == 'V' || argv[1][1] == 'b'))
{
char opt = argv[1][1];
const char *arg;
if (argv[1][2] != '\0')
{
arg = argv[1] + 2;
argc -= 1;
argv += 1;
}
else if (argc > 2)
{
arg = argv[2];
argc -= 2;
argv += 2;
}
else
fatal ("'-%c' option must have argument", opt);
if (opt == 'V')
new_version = arg;
else
new_machine = arg;
}
for (baselen = strlen (progname); baselen > 0; baselen--)
if (IS_DIR_SEPARATOR (progname[baselen-1]))
break;
new_argv0 = xmemdup (progname, baselen,
baselen + concat_length (new_version, new_machine,
"-gcc-", NULL) + 1);
strcpy (new_argv0 + baselen, new_machine);
strcat (new_argv0, "-gcc-");
strcat (new_argv0, new_version);
new_argv = xmemdup (argv, (argc + 1) * sizeof (argv[0]),
(argc + 1) * sizeof (argv[0]));
new_argv[0] = new_argv0;
execvp (new_argv0, new_argv);
fatal ("couldn't run '%s': %s", new_argv0, xstrerror (errno));
}
gcc_libexec_prefix = standard_libexec_prefix;
#ifndef VMS
if (!gcc_exec_prefix)
{
gcc_exec_prefix = make_relative_prefix (argv[0], standard_bindir_prefix,
standard_exec_prefix);
gcc_libexec_prefix = make_relative_prefix (argv[0],
standard_bindir_prefix,
standard_libexec_prefix);
if (gcc_exec_prefix)
putenv (concat ("GCC_EXEC_PREFIX=", gcc_exec_prefix, NULL));
}
else
gcc_libexec_prefix = make_relative_prefix (gcc_exec_prefix,
standard_exec_prefix,
standard_libexec_prefix);
#else
#endif
if (gcc_exec_prefix)
{
int len = strlen (gcc_exec_prefix);
if (len > (int) sizeof ("/lib/gcc/") - 1
&& (IS_DIR_SEPARATOR (gcc_exec_prefix[len-1])))
{
temp = gcc_exec_prefix + len - sizeof ("/lib/gcc/") + 1;
if (IS_DIR_SEPARATOR (*temp)
&& strncmp (temp + 1, "lib", 3) == 0
&& IS_DIR_SEPARATOR (temp[4])
&& strncmp (temp + 5, "gcc", 3) == 0)
len -= sizeof ("/lib/gcc/") - 1;
}
set_std_prefix (gcc_exec_prefix, len);
add_prefix (&exec_prefixes, gcc_libexec_prefix, "GCC",
PREFIX_PRIORITY_LAST, 0, 0);
add_prefix (&startfile_prefixes, gcc_exec_prefix, "GCC",
PREFIX_PRIORITY_LAST, 0, 0);
}
GET_ENVIRONMENT (temp, "COMPILER_PATH");
if (temp)
{
const char *startp, *endp;
char *nstore = alloca (strlen (temp) + 3);
startp = endp = temp;
while (1)
{
if (*endp == PATH_SEPARATOR || *endp == 0)
{
strncpy (nstore, startp, endp - startp);
if (endp == startp)
strcpy (nstore, concat (".", dir_separator_str, NULL));
else if (!IS_DIR_SEPARATOR (endp[-1]))
{
nstore[endp - startp] = DIR_SEPARATOR;
nstore[endp - startp + 1] = 0;
}
else
nstore[endp - startp] = 0;
add_prefix (&exec_prefixes, nstore, 0,
PREFIX_PRIORITY_LAST, 0, 0);
add_prefix (&include_prefixes, nstore, 0,
PREFIX_PRIORITY_LAST, 0, 0);
if (*endp == 0)
break;
endp = startp = endp + 1;
}
else
endp++;
}
}
GET_ENVIRONMENT (temp, LIBRARY_PATH_ENV);
if (temp && *cross_compile == '0')
{
const char *startp, *endp;
char *nstore = alloca (strlen (temp) + 3);
startp = endp = temp;
while (1)
{
if (*endp == PATH_SEPARATOR || *endp == 0)
{
strncpy (nstore, startp, endp - startp);
if (endp == startp)
strcpy (nstore, concat (".", dir_separator_str, NULL));
else if (!IS_DIR_SEPARATOR (endp[-1]))
{
nstore[endp - startp] = DIR_SEPARATOR;
nstore[endp - startp + 1] = 0;
}
else
nstore[endp - startp] = 0;
add_prefix (&startfile_prefixes, nstore, NULL,
PREFIX_PRIORITY_LAST, 0, 1);
if (*endp == 0)
break;
endp = startp = endp + 1;
}
else
endp++;
}
}
GET_ENVIRONMENT (temp, "LPATH");
if (temp && *cross_compile == '0')
{
const char *startp, *endp;
char *nstore = alloca (strlen (temp) + 3);
startp = endp = temp;
while (1)
{
if (*endp == PATH_SEPARATOR || *endp == 0)
{
strncpy (nstore, startp, endp - startp);
if (endp == startp)
strcpy (nstore, concat (".", dir_separator_str, NULL));
else if (!IS_DIR_SEPARATOR (endp[-1]))
{
nstore[endp - startp] = DIR_SEPARATOR;
nstore[endp - startp + 1] = 0;
}
else
nstore[endp - startp] = 0;
add_prefix (&startfile_prefixes, nstore, NULL,
PREFIX_PRIORITY_LAST, 0, 1);
if (*endp == 0)
break;
endp = startp = endp + 1;
}
else
endp++;
}
}
translate_options (&argc, (const char *const **) &argv);
lang_specific_driver (&argc, (const char *const **) &argv, &added_libraries);
for (i = 1; i < argc; i++)
{
if (! strcmp (argv[i], "-dumpspecs"))
{
struct spec_list *sl;
init_spec ();
for (sl = specs; sl; sl = sl->next)
printf ("*%s:\n%s\n\n", sl->name, *(sl->ptr_spec));
if (link_command_spec)
printf ("*link_command:\n%s\n\n", link_command_spec);
exit (0);
}
else if (! strcmp (argv[i], "-dumpversion"))
{
printf ("%s\n", spec_version);
exit (0);
}
else if (! strcmp (argv[i], "-dumpmachine"))
{
printf ("%s\n", spec_machine);
exit (0);
}
else if (strcmp (argv[i], "-fversion") == 0)
{
printf (_("%s (GCC) %s\n"), programname, version_string);
printf ("Copyright %s 2005 Free Software Foundation, Inc.\n",
_("(C)"));
fputs (_("This is free software; see the source for copying conditions. There is NO\n\
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n\n"),
stdout);
exit (0);
}
else if (strcmp (argv[i], "-fhelp") == 0)
{
print_help_list = 1;
n_infiles++;
n_switches++;
if (is_cpp_driver)
add_preprocessor_option ("--help", 6);
#if 0
add_assembler_option ("--help", 6);
add_linker_option ("--help", 6);
#endif
}
else if (strcmp (argv[i], "-ftarget-help") == 0)
{
target_help_flag = 1;
n_infiles++;
n_switches++;
if (is_cpp_driver)
add_preprocessor_option ("--target-help", 13);
add_assembler_option ("--target-help", 13);
add_linker_option ("--target-help", 13);
}
else if (! strcmp (argv[i], "-pass-exit-codes"))
{
pass_exit_codes = 1;
n_switches++;
}
else if (! strcmp (argv[i], "-print-search-dirs"))
print_search_dirs = 1;
else if (! strcmp (argv[i], "-print-libgcc-file-name"))
print_file_name = "libgcc.a";
else if (! strncmp (argv[i], "-print-file-name=", 17))
print_file_name = argv[i] + 17;
else if (! strncmp (argv[i], "-print-prog-name=", 17))
print_prog_name = argv[i] + 17;
else if (! strcmp (argv[i], "-print-multi-lib"))
print_multi_lib = 1;
else if (! strcmp (argv[i], "-print-multi-directory"))
print_multi_directory = 1;
else if (! strcmp (argv[i], "-print-multi-os-directory"))
print_multi_os_directory = 1;
else if (! strncmp (argv[i], "-Wa,", 4))
{
int prev, j;
prev = 4;
for (j = 4; argv[i][j]; j++)
if (argv[i][j] == ',')
{
add_assembler_option (argv[i] + prev, j - prev);
prev = j + 1;
}
add_assembler_option (argv[i] + prev, j - prev);
}
else if (! strncmp (argv[i], "-Wp,", 4))
{
int prev, j;
prev = 4;
for (j = 4; argv[i][j]; j++)
if (argv[i][j] == ',')
{
add_preprocessor_option (argv[i] + prev, j - prev);
prev = j + 1;
}
add_preprocessor_option (argv[i] + prev, j - prev);
}
else if (argv[i][0] == '+' && argv[i][1] == 'e')
n_switches++;
else if (strncmp (argv[i], "-Wl,", 4) == 0)
{
int j;
for (j = 3; argv[i][j]; j++)
n_infiles += (argv[i][j] == ',');
}
else if (strcmp (argv[i], "-Xlinker") == 0)
{
if (i + 1 == argc)
fatal ("argument to '-Xlinker' is missing");
n_infiles++;
i++;
}
else if (strcmp (argv[i], "-Xpreprocessor") == 0)
{
if (i + 1 == argc)
fatal ("argument to '-Xpreprocessor' is missing");
add_preprocessor_option (argv[i+1], strlen (argv[i+1]));
}
else if (strcmp (argv[i], "-Xassembler") == 0)
{
if (i + 1 == argc)
fatal ("argument to '-Xassembler' is missing");
add_assembler_option (argv[i+1], strlen (argv[i+1]));
}
else if (strcmp (argv[i], "-l") == 0)
{
if (i + 1 == argc)
fatal ("argument to '-l' is missing");
n_infiles++;
i++;
}
else if (strncmp (argv[i], "-l", 2) == 0)
n_infiles++;
else if (strcmp (argv[i], "-save-temps") == 0)
{
save_temps_flag = 1;
n_switches++;
}
else if (strcmp (argv[i], "-fast") == 0
|| strcmp (argv[i], "-fastf") == 0
|| strcmp (argv[i], "-fastcp") == 0)
{
combine_flag = 1;
n_switches++;
}
else if (strcmp (argv[i], "-traditional-cpp") == 0)
{
traditional_cpp_flag = 1;
n_switches++;
}
else if (strcmp (argv[i], "-E") == 0)
{
capital_e_flag = 1;
n_switches++;
}
else if (strncmp (argv[i], "-weak-l", 7) == 0)
n_infiles++;
else if (strcmp (argv[i], "-weak_library") == 0)
{
if (i + 1 == argc)
fatal ("argument to `-weak_library' is missing");
n_infiles += 2;
i++;
}
else if (strcmp (argv[i], "-weak_framework") == 0)
{
if (i + 1 == argc)
fatal ("argument to `-weak_framework' is missing");
n_infiles += 2;
i++;
}
else if (strcmp (argv[i], "-combine") == 0)
{
combine_flag = 1;
n_switches++;
}
else if (strcmp (argv[i], "-specs") == 0)
{
struct user_specs *user = xmalloc (sizeof (struct user_specs));
if (++i >= argc)
fatal ("argument to '-specs' is missing");
user->next = (struct user_specs *) 0;
user->filename = argv[i];
if (user_specs_tail)
user_specs_tail->next = user;
else
user_specs_head = user;
user_specs_tail = user;
}
else if (strncmp (argv[i], "-specs=", 7) == 0)
{
struct user_specs *user = xmalloc (sizeof (struct user_specs));
if (strlen (argv[i]) == 7)
fatal ("argument to '-specs=' is missing");
user->next = (struct user_specs *) 0;
user->filename = argv[i] + 7;
if (user_specs_tail)
user_specs_tail->next = user;
else
user_specs_head = user;
user_specs_tail = user;
}
else if (strcmp (argv[i], "-time") == 0)
report_times = 1;
else if (strcmp (argv[i], "-pipe") == 0)
{
use_pipes = 1;
n_switches++;
}
else if (strcmp (argv[i], "-###") == 0)
{
verbose_only_flag++;
verbose_flag++;
}
else if (strcmp (argv[i], "-framework") == 0)
{
if (i + 1 == argc)
fatal ("argument to `-framework' is missing");
n_infiles += 2;
i++;
}
else if (argv[i][0] == '-' && argv[i][1] != 0)
{
const char *p = &argv[i][1];
int c = *p;
switch (c)
{
case 'b':
case 'V':
fatal ("'-%c' must come at the start of the command line", c);
break;
case 'B':
{
const char *value;
int len;
if (p[1] == 0 && i + 1 == argc)
fatal ("argument to '-B' is missing");
if (p[1] == 0)
value = argv[++i];
else
value = p + 1;
len = strlen (value);
if (! IS_DIR_SEPARATOR (value [len - 1])
&& is_directory (value, "", 0))
{
char *tmp = xmalloc (len + 2);
strcpy (tmp, value);
tmp[len] = DIR_SEPARATOR;
tmp[++ len] = 0;
value = tmp;
}
if ((len == 7
|| (len > 7
&& (IS_DIR_SEPARATOR (value[len - 8]))))
&& strncmp (value + len - 7, "stage", 5) == 0
&& ISDIGIT (value[len - 2])
&& (IS_DIR_SEPARATOR (value[len - 1])))
{
if (len == 7)
add_prefix (&include_prefixes, "./", NULL,
PREFIX_PRIORITY_B_OPT, 0, 0);
else
{
char *string = xmalloc (len - 6);
memcpy (string, value, len - 7);
string[len - 7] = 0;
add_prefix (&include_prefixes, string, NULL,
PREFIX_PRIORITY_B_OPT, 0, 0);
}
}
add_prefix (&exec_prefixes, value, NULL,
PREFIX_PRIORITY_B_OPT, 0, 0);
add_prefix (&startfile_prefixes, value, NULL,
PREFIX_PRIORITY_B_OPT, 0, 0);
add_prefix (&include_prefixes, value, NULL,
PREFIX_PRIORITY_B_OPT, 0, 0);
n_switches++;
}
break;
case 'v':
n_switches++;
if (p[1] != 0)
break;
verbose_flag++;
break;
case 'S':
case 'c':
if (p[1] == 0)
{
have_c = 1;
n_switches++;
break;
}
goto normal_switch;
case 'o':
#if defined(HAVE_TARGET_EXECUTABLE_SUFFIX)
if (! have_c)
{
int skip;
int j = i + 1;
if (p[1] == 0)
++j;
while (j < argc)
{
if (argv[j][0] == '-')
{
if (SWITCH_CURTAILS_COMPILATION (argv[j][1])
&& argv[j][2] == 0)
{
have_c = 1;
break;
}
else if ((skip = SWITCH_TAKES_ARG (argv[j][1])))
j += skip - (argv[j][2] != 0);
else if ((skip = WORD_SWITCH_TAKES_ARG (argv[j] + 1)))
j += skip;
}
j++;
}
}
#endif
#if defined(HAVE_TARGET_EXECUTABLE_SUFFIX) || defined(HAVE_TARGET_OBJECT_SUFFIX)
if (p[1] == 0)
argv[i + 1] = convert_filename (argv[i + 1], ! have_c, 0);
else
argv[i] = convert_filename (argv[i], ! have_c, 0);
#endif
goto normal_switch;
default:
normal_switch:
#ifdef MODIFY_TARGET_NAME
is_modify_target_name = 0;
for (j = 0; j < ARRAY_SIZE (modify_target); j++)
if (! strcmp (argv[i], modify_target[j].sw))
{
char *new_name = xmalloc (strlen (modify_target[j].str)
+ strlen (spec_machine));
const char *p, *r;
char *q;
int made_addition = 0;
is_modify_target_name = 1;
for (p = spec_machine, q = new_name; *p != 0; )
{
if (modify_target[j].add_del == DELETE
&& (! strncmp (q, modify_target[j].str,
strlen (modify_target[j].str))))
p += strlen (modify_target[j].str);
else if (modify_target[j].add_del == ADD
&& ! made_addition && *p == '-')
{
for (r = modify_target[j].str; *r != 0; )
*q++ = *r++;
made_addition = 1;
}
*q++ = *p++;
}
spec_machine = new_name;
}
if (is_modify_target_name)
break;
#endif
n_switches++;
if (SWITCH_TAKES_ARG (c) > (p[1] != 0))
i += SWITCH_TAKES_ARG (c) - (p[1] != 0);
else if (WORD_SWITCH_TAKES_ARG (p))
i += WORD_SWITCH_TAKES_ARG (p);
}
}
else
{
n_infiles++;
lang_n_infiles++;
}
}
if ((save_temps_flag || report_times) && use_pipes)
{
if (save_temps_flag)
error ("warning: -pipe ignored because -save-temps specified");
else if (report_times)
error ("warning: -pipe ignored because -time specified");
use_pipes = 0;
}
#ifndef OS2
add_prefix (&exec_prefixes, standard_libexec_prefix, "GCC",
PREFIX_PRIORITY_LAST, 1, 0);
add_prefix (&exec_prefixes, standard_libexec_prefix, "BINUTILS",
PREFIX_PRIORITY_LAST, 2, 0);
add_prefix (&exec_prefixes, standard_exec_prefix, "BINUTILS",
PREFIX_PRIORITY_LAST, 2, 0);
add_prefix (&exec_prefixes, standard_exec_prefix_1, "BINUTILS",
PREFIX_PRIORITY_LAST, 2, 0);
add_prefix (&exec_prefixes, standard_exec_prefix_2, "BINUTILS",
PREFIX_PRIORITY_LAST, 2, 0);
#endif
add_prefix (&startfile_prefixes, standard_exec_prefix, "BINUTILS",
PREFIX_PRIORITY_LAST, 1, 0);
add_prefix (&startfile_prefixes, standard_exec_prefix_2, "BINUTILS",
PREFIX_PRIORITY_LAST, 1, 0);
tooldir_prefix = concat (tooldir_base_prefix, spec_machine,
dir_separator_str, NULL);
if (!IS_ABSOLUTE_PATH (tooldir_prefix))
{
if (gcc_exec_prefix)
{
char *gcc_exec_tooldir_prefix
= concat (gcc_exec_prefix, spec_machine, dir_separator_str,
spec_version, dir_separator_str, tooldir_prefix, NULL);
add_prefix (&exec_prefixes,
concat (gcc_exec_tooldir_prefix, "bin",
dir_separator_str, NULL),
NULL, PREFIX_PRIORITY_LAST, 0, 0);
add_prefix (&startfile_prefixes,
concat (gcc_exec_tooldir_prefix, "lib",
dir_separator_str, NULL),
NULL, PREFIX_PRIORITY_LAST, 0, 1);
}
tooldir_prefix = concat (standard_exec_prefix, spec_machine,
dir_separator_str, spec_version,
dir_separator_str, tooldir_prefix, NULL);
}
add_prefix (&exec_prefixes,
concat (tooldir_prefix, "bin", dir_separator_str, NULL),
"BINUTILS", PREFIX_PRIORITY_LAST, 0, 0);
add_prefix (&startfile_prefixes,
concat (tooldir_prefix, "lib", dir_separator_str, NULL),
"BINUTILS", PREFIX_PRIORITY_LAST, 0, 1);
#if defined(TARGET_SYSTEM_ROOT_RELOCATABLE) && !defined(VMS)
if (target_system_root && gcc_exec_prefix)
{
char *tmp_prefix = make_relative_prefix (argv[0],
standard_bindir_prefix,
target_system_root);
if (tmp_prefix && access_check (tmp_prefix, F_OK) == 0)
{
target_system_root = tmp_prefix;
target_system_root_changed = 1;
}
}
#endif
switches = xmalloc ((n_switches + 1) * sizeof (struct switchstr));
infiles = xmalloc ((n_infiles + 1) * sizeof (struct infile));
n_switches = 0;
n_infiles = 0;
last_language_n_infiles = -1;
for (i = 1; i < argc; i++)
{
#ifdef MODIFY_TARGET_NAME
is_modify_target_name = 0;
for (j = 0; j < ARRAY_SIZE (modify_target); j++)
if (! strcmp (argv[i], modify_target[j].sw))
is_modify_target_name = 1;
if (is_modify_target_name)
;
else
#endif
if (! strncmp (argv[i], "-Wa,", 4))
;
else if (! strncmp (argv[i], "-Wp,", 4))
;
else if (! strcmp (argv[i], "-pass-exit-codes"))
;
else if (! strcmp (argv[i], "-print-search-dirs"))
;
else if (! strcmp (argv[i], "-print-libgcc-file-name"))
;
else if (! strncmp (argv[i], "-print-file-name=", 17))
;
else if (! strncmp (argv[i], "-print-prog-name=", 17))
;
else if (! strcmp (argv[i], "-print-multi-lib"))
;
else if (! strcmp (argv[i], "-print-multi-directory"))
;
else if (! strcmp (argv[i], "-print-multi-os-directory"))
;
else if (! strcmp (argv[i], "-ftarget-help"))
;
else if (! strcmp (argv[i], "-fhelp"))
;
else if (argv[i][0] == '+' && argv[i][1] == 'e')
{
switches[n_switches].part1 = &argv[i][0];
switches[n_switches].args = 0;
switches[n_switches].live_cond = SWITCH_OK;
switches[n_switches].validated = 0;
n_switches++;
}
else if (strncmp (argv[i], "-Wl,", 4) == 0)
{
int prev, j;
prev = 4;
for (j = 4; argv[i][j]; j++)
if (argv[i][j] == ',')
{
infiles[n_infiles].language = "*";
infiles[n_infiles++].name
= save_string (argv[i] + prev, j - prev);
prev = j + 1;
}
infiles[n_infiles].language = "*";
infiles[n_infiles++].name = argv[i] + prev;
}
else if (strcmp (argv[i], "-Xlinker") == 0)
{
infiles[n_infiles].language = "*";
infiles[n_infiles++].name = argv[++i];
}
else if (strcmp (argv[i], "-Xassembler") == 0)
{
infiles[n_infiles].language = "*";
infiles[n_infiles++].name = argv[++i];
}
else if (strcmp (argv[i], "-Xpreprocessor") == 0)
{
infiles[n_infiles].language = "*";
infiles[n_infiles++].name = argv[++i];
}
else if (strcmp (argv[i], "-l") == 0)
{
infiles[n_infiles].language = "*";
infiles[n_infiles++].name = concat ("-l", argv[++i], NULL);
}
else if (strncmp (argv[i], "-l", 2) == 0)
{
infiles[n_infiles].language = "*";
infiles[n_infiles++].name = argv[i];
}
else if (strncmp (argv[i], "-weak-l", 7) == 0)
{
infiles[n_infiles].language = "*";
infiles[n_infiles++].name = argv[i];
}
else if (strcmp (argv[i], "-weak_library") == 0)
{
infiles[n_infiles].language = "*";
infiles[n_infiles++].name = argv[i];
infiles[n_infiles].language = "*";
infiles[n_infiles++].name = argv[++i];
}
else if (strcmp (argv[i], "-weak_framework") == 0)
{
infiles[n_infiles].language = "*";
infiles[n_infiles++].name = argv[i];
infiles[n_infiles].language = "*";
infiles[n_infiles++].name = argv[++i];
}
else if (strcmp (argv[i], "-specs") == 0)
i++;
else if (strncmp (argv[i], "-specs=", 7) == 0)
;
else if (!strcmp (argv[i], "-ObjC") || !strcmp (argv[i], "-fobjc"))
{
default_language = "objective-c";
add_linker_option ("-ObjC", 5);
}
else if (strcmp (argv[i], "-ObjC++") == 0)
{
default_language = "objective-c++";
add_linker_option ("-ObjC", 5);
}
else if (strcmp (argv[i], "-time") == 0)
;
else if (strcmp (argv[i], "-###") == 0)
;
else if (strcmp (argv[i], "-framework") == 0)
{
infiles[n_infiles].language = "*";
infiles[n_infiles++].name = argv[i];
infiles[n_infiles].language = "*";
infiles[n_infiles++].name = argv[++i];
}
else if (argv[i][0] == '-' && argv[i][1] != 0)
{
const char *p = &argv[i][1];
int c = *p;
if (c == 'x')
{
if (p[1] == 0 && i + 1 == argc)
fatal ("argument to '-x' is missing");
if (p[1] == 0)
spec_lang = argv[++i];
else
spec_lang = p + 1;
if (! strcmp (spec_lang, "none"))
spec_lang = 0;
else
last_language_n_infiles = n_infiles;
continue;
}
switches[n_switches].part1 = p;
if ((SWITCH_TAKES_ARG (c) > (p[1] != 0))
|| WORD_SWITCH_TAKES_ARG (p))
{
int j = 0;
int n_args = WORD_SWITCH_TAKES_ARG (p);
if (n_args == 0)
{
n_args = SWITCH_TAKES_ARG (c) - (p[1] != 0);
}
if (i + n_args >= argc)
fatal ("argument to '-%s' is missing", p);
switches[n_switches].args
= xmalloc ((n_args + 1) * sizeof(const char *));
while (j < n_args)
switches[n_switches].args[j++] = argv[++i];
switches[n_switches].args[j] = 0;
}
else if (strchr (switches_need_spaces, c))
{
char *part1 = xmalloc (2);
part1[0] = c;
part1[1] = '\0';
switches[n_switches].part1 = part1;
switches[n_switches].args = xmalloc (2 * sizeof (const char *));
switches[n_switches].args[0] = xstrdup (p+1);
switches[n_switches].args[1] = 0;
}
else
switches[n_switches].args = 0;
switches[n_switches].live_cond = SWITCH_OK;
switches[n_switches].validated = 0;
switches[n_switches].ordering = 0;
if (!strcmp (p, "save-temps")
|| !strcmp (p, "static-libgcc")
|| !strcmp (p, "shared-libgcc")
|| !strcmp (p, "pipe"))
switches[n_switches].validated = 1;
else
{
char ch = switches[n_switches].part1[0];
if (ch == 'B')
switches[n_switches].validated = 1;
}
n_switches++;
}
else
{
#ifdef HAVE_TARGET_OBJECT_SUFFIX
argv[i] = convert_filename (argv[i], 0, access (argv[i], F_OK));
#endif
if (strcmp (argv[i], "-") != 0 && access (argv[i], F_OK) < 0)
{
perror_with_name (argv[i]);
error_count++;
}
else
{
infiles[n_infiles].language = spec_lang;
infiles[n_infiles++].name = argv[i];
}
}
}
if (n_infiles == last_language_n_infiles && spec_lang != 0)
error ("warning: '-x %s' after last input file has no effect", spec_lang);
if (target_help_flag || print_help_list)
{
n_infiles = 1;
infiles[0].language = "c";
infiles[0].name = "help-dummy";
if (target_help_flag)
{
switches[n_switches].part1 = "--target-help";
switches[n_switches].args = 0;
switches[n_switches].live_cond = SWITCH_OK;
switches[n_switches].validated = 0;
n_switches++;
}
if (print_help_list)
{
switches[n_switches].part1 = "--help";
switches[n_switches].args = 0;
switches[n_switches].live_cond = SWITCH_OK;
switches[n_switches].validated = 0;
n_switches++;
}
}
switches[n_switches].part1 = 0;
infiles[n_infiles].name = 0;
}
static void
set_collect_gcc_options (void)
{
int i;
int first_time;
obstack_grow (&collect_obstack, "COLLECT_GCC_OPTIONS=",
sizeof ("COLLECT_GCC_OPTIONS=") - 1);
first_time = TRUE;
for (i = 0; (int) i < n_switches; i++)
{
const char *const *args;
const char *p, *q;
if (!first_time)
obstack_grow (&collect_obstack, " ", 1);
first_time = FALSE;
if (switches[i].live_cond == SWITCH_IGNORE)
continue;
obstack_grow (&collect_obstack, "'-", 2);
q = switches[i].part1;
while ((p = strchr (q, '\'')))
{
obstack_grow (&collect_obstack, q, p - q);
obstack_grow (&collect_obstack, "'\\''", 4);
q = ++p;
}
obstack_grow (&collect_obstack, q, strlen (q));
obstack_grow (&collect_obstack, "'", 1);
for (args = switches[i].args; args && *args; args++)
{
obstack_grow (&collect_obstack, " '", 2);
q = *args;
while ((p = strchr (q, '\'')))
{
obstack_grow (&collect_obstack, q, p - q);
obstack_grow (&collect_obstack, "'\\''", 4);
q = ++p;
}
obstack_grow (&collect_obstack, q, strlen (q));
obstack_grow (&collect_obstack, "'", 1);
}
}
obstack_grow (&collect_obstack, "\0", 1);
putenv (obstack_finish (&collect_obstack));
}
static const char *input_filename;
static int input_file_number;
size_t input_filename_length;
static int basename_length;
static int suffixed_basename_length;
static const char *input_basename;
static const char *input_suffix;
#ifndef HOST_LACKS_INODE_NUMBERS
static struct stat input_stat;
#endif
static int input_stat_set;
static struct compiler *input_file_compiler;
static int arg_going;
static int delete_this_arg;
static int this_is_output_file;
static int this_is_basename_derived_file = 0;
static int this_is_library_file;
static int input_from_pipe;
static const char *suffix_subst;
int
do_spec (const char *spec)
{
int value;
this_is_basename_derived_file = 0;
value = do_spec_2 (spec);
if (value == 0)
{
if (argbuf_index > 0 && !strcmp (argbuf[argbuf_index - 1], "|"))
argbuf_index--;
set_collect_gcc_options ();
if (argbuf_index > 0)
value = execute ();
}
return value;
}
static const char *
check_basename_derived_file (const char *string)
{
int suffix_length, string_length;
const char *suffix;
static struct base_temp_name {
int suffix_length;
int filename_length;
const char *filename;
struct base_temp_name *next;
} *t, *base_temp_names = NULL;
if (strcmp (string, input_filename) != 0)
{
struct stat st_temp;
if (input_stat_set == 0)
{
input_stat_set = stat (input_filename, &input_stat);
if (input_stat_set >= 0)
input_stat_set = 1;
}
if (input_stat_set != 1
|| stat (string, &st_temp) < 0
|| input_stat.st_dev != st_temp.st_dev
|| input_stat.st_ino != st_temp.st_ino)
{
this_is_basename_derived_file = 0;
return string;
}
}
string_length = strlen (string);
suffix_length = string_length - basename_length;
suffix = string + string_length - suffix_length;
if (suffix_length > 0)
{
for (t = base_temp_names; t; t = t->next)
if (t->suffix_length == suffix_length
&& strcmp (t->filename + t->filename_length - suffix_length,
suffix) == 0)
break;
}
else
t = NULL;
if (!t)
{
t = (struct base_temp_name *) xmalloc (sizeof (struct base_temp_name));
t->next = base_temp_names;
base_temp_names = t;
t->filename = make_temp_file (suffix);
t->filename_length = strlen (t->filename);
t->suffix_length = suffix_length;
}
delete_this_arg = 1;
return t->filename;
}
static int
do_spec_2 (const char *spec)
{
const char *string;
int result;
clear_args ();
arg_going = 0;
delete_this_arg = 0;
this_is_output_file = 0;
this_is_library_file = 0;
input_from_pipe = 0;
suffix_subst = NULL;
result = do_spec_1 (spec, 0, NULL);
if (arg_going)
{
obstack_1grow (&obstack, 0);
string = obstack_finish (&obstack);
if (this_is_library_file)
string = find_file (string);
store_arg (string, delete_this_arg, this_is_output_file);
if (this_is_output_file)
outfiles[input_file_number] = string;
arg_going = 0;
}
return result;
}
static void
do_option_spec (const char *name, const char *spec)
{
unsigned int i, value_count, value_len;
const char *p, *q, *value;
char *tmp_spec, *tmp_spec_p;
if (configure_default_options[0].name == NULL)
return;
for (i = 0; i < ARRAY_SIZE (configure_default_options); i++)
if (strcmp (configure_default_options[i].name, name) == 0)
break;
if (i == ARRAY_SIZE (configure_default_options))
return;
value = configure_default_options[i].value;
value_len = strlen (value);
value_count = 0;
p = spec;
while ((p = strstr (p, "%(VALUE)")) != NULL)
{
p ++;
value_count ++;
}
tmp_spec = alloca (strlen (spec) + 1
+ value_count * (value_len - strlen ("%(VALUE)")));
tmp_spec_p = tmp_spec;
q = spec;
while ((p = strstr (q, "%(VALUE)")) != NULL)
{
memcpy (tmp_spec_p, q, p - q);
tmp_spec_p = tmp_spec_p + (p - q);
memcpy (tmp_spec_p, value, value_len);
tmp_spec_p += value_len;
q = p + strlen ("%(VALUE)");
}
strcpy (tmp_spec_p, q);
do_self_spec (tmp_spec);
}
static void
do_self_spec (const char *spec)
{
do_spec_2 (spec);
do_spec_1 (" ", 0, NULL);
if (argbuf_index > 0)
{
int i, first;
first = n_switches;
n_switches += argbuf_index;
switches = xrealloc (switches,
sizeof (struct switchstr) * (n_switches + 1));
switches[n_switches] = switches[first];
for (i = 0; i < argbuf_index; i++)
{
struct switchstr *sw;
if (argbuf[i][0] != '-')
fatal ("switch '%s' does not start with '-'", argbuf[i]);
sw = &switches[i + first];
sw->part1 = &argbuf[i][1];
sw->args = 0;
sw->live_cond = SWITCH_OK;
sw->validated = 0;
sw->ordering = 0;
}
}
}
void
do_spec_path (struct prefix_list *pl, const char *option,
int omit_if_relative, int separate_options,
int only_subdir,
const char *dir_for_machine_suffix,
const char *dir_for_no_suffix)
{
static size_t bufsize = 0;
static char *buffer;
int idx;
if (omit_if_relative
&& !IS_ABSOLUTE_PATH (pl->prefix))
return;
if (machine_suffix && dir_for_machine_suffix)
{
if (strlen (pl->prefix) + strlen (machine_suffix)
>= bufsize)
bufsize = (strlen (pl->prefix)
+ strlen (machine_suffix)) * 2 + 1;
buffer = xrealloc (buffer, bufsize);
strcpy (buffer, pl->prefix);
strcat (buffer, machine_suffix);
if (is_directory (buffer, dir_for_machine_suffix, 1))
{
do_spec_1 (option, separate_options, NULL);
if (separate_options)
do_spec_1 (" ", 0, NULL);
do_spec_1 (buffer, 1, NULL);
do_spec_1 (dir_for_machine_suffix, 1, NULL);
do_spec_1 (" ", 0, NULL);
}
}
if (!pl->require_machine_suffix && dir_for_no_suffix)
{
if (is_directory (pl->prefix, dir_for_no_suffix, 1))
{
do_spec_1 (option, separate_options, NULL);
if (separate_options)
do_spec_1 (" ", 0, NULL);
do_spec_1 (pl->prefix, 1, NULL);
do_spec_1 (dir_for_no_suffix, 1, NULL);
do_spec_1 (" ", 0, NULL);
}
}
if (only_subdir)
return;
if (machine_suffix)
{
if (is_directory (pl->prefix, machine_suffix, 1))
{
do_spec_1 (option, separate_options, NULL);
if (separate_options)
do_spec_1 (" ", 0, NULL);
do_spec_1 (pl->prefix, 1, NULL);
if (strlen (machine_suffix) >= bufsize)
bufsize = strlen (machine_suffix) * 2 + 1;
buffer = xrealloc (buffer, bufsize);
strcpy (buffer, machine_suffix);
idx = strlen (buffer);
if (IS_DIR_SEPARATOR (buffer[idx - 1]))
buffer[idx - 1] = 0;
do_spec_1 (buffer, 1, NULL);
do_spec_1 (" ", 0, NULL);
}
}
if (!pl->require_machine_suffix)
{
if (is_directory (pl->prefix, "", 1))
{
do_spec_1 (option, separate_options, NULL);
if (separate_options)
do_spec_1 (" ", 0, NULL);
if (strlen (pl->prefix) >= bufsize)
bufsize = strlen (pl->prefix) * 2 + 1;
buffer = xrealloc (buffer, bufsize);
strcpy (buffer, pl->prefix);
idx = strlen (buffer);
if (IS_DIR_SEPARATOR (buffer[idx - 1]))
buffer[idx - 1] = 0;
do_spec_1 (buffer, 1, NULL);
do_spec_1 (" ", 0, NULL);
}
}
}
static int
do_spec_1 (const char *spec, int inswitch, const char *soft_matched_part)
{
const char *p = spec;
int c;
int i;
const char *string;
int value;
while ((c = *p++))
switch (inswitch ? 'a' : c)
{
case '\n':
if (arg_going)
{
obstack_1grow (&obstack, 0);
string = obstack_finish (&obstack);
if (this_is_basename_derived_file)
string = check_basename_derived_file (string);
else if (this_is_library_file)
string = find_file (string);
store_arg (string, delete_this_arg, this_is_output_file
|| this_is_basename_derived_file);
if (this_is_output_file)
outfiles[input_file_number] = string;
}
arg_going = 0;
if (argbuf_index > 0 && !strcmp (argbuf[argbuf_index - 1], "|"))
{
if (use_pipes)
{
input_from_pipe = 1;
break;
}
else
argbuf_index--;
}
set_collect_gcc_options ();
if (argbuf_index > 0)
{
value = execute ();
if (value)
return value;
}
clear_args ();
arg_going = 0;
delete_this_arg = 0;
this_is_output_file = 0;
this_is_basename_derived_file = 0;
this_is_library_file = 0;
input_from_pipe = 0;
break;
case '|':
if (arg_going)
{
obstack_1grow (&obstack, 0);
string = obstack_finish (&obstack);
if (this_is_basename_derived_file)
string = check_basename_derived_file (string);
else if (this_is_library_file)
string = find_file (string);
store_arg (string, delete_this_arg, this_is_output_file
|| this_is_basename_derived_file);
if (this_is_output_file)
outfiles[input_file_number] = string;
}
obstack_1grow (&obstack, c);
arg_going = 1;
break;
case '\t':
case ' ':
if (arg_going)
{
obstack_1grow (&obstack, 0);
string = obstack_finish (&obstack);
if (this_is_basename_derived_file)
string = check_basename_derived_file (string);
else if (this_is_library_file)
string = find_file (string);
store_arg (string, delete_this_arg, this_is_output_file
|| this_is_basename_derived_file);
if (this_is_output_file)
outfiles[input_file_number] = string;
}
arg_going = 0;
delete_this_arg = 0;
this_is_output_file = 0;
this_is_basename_derived_file = 0;
this_is_library_file = 0;
break;
case '%':
switch (c = *p++)
{
case 0:
fatal ("spec '%s' invalid", spec);
case 'b':
this_is_basename_derived_file = 1;
obstack_grow (&obstack, input_basename, basename_length);
arg_going = 1;
break;
case 'B':
obstack_grow (&obstack, input_basename, suffixed_basename_length);
arg_going = 1;
break;
case 'd':
delete_this_arg = 2;
break;
case 'D':
{
struct prefix_list *pl = startfile_prefixes.plist;
for (; pl; pl = pl->next)
{
const char *no_suffix_multilib_dir;
no_suffix_multilib_dir = pl->os_multilib ? multilib_os_dir
: multilib_dir;
do_spec_path (pl, "-L",
#ifdef RELATIVE_PREFIX_NOT_LINKDIR
1,
#else
0,
#endif
0, 0, multilib_dir, no_suffix_multilib_dir);
}
}
break;
case 'e':
{
const char *q = p;
char *buf;
while (*p != 0 && *p != '\n')
p++;
buf = alloca (p - q + 1);
strncpy (buf, q, p - q);
buf[p - q] = 0;
error ("%s", buf);
return -1;
}
break;
case 'n':
{
const char *q = p;
char *buf;
while (*p != 0 && *p != '\n')
p++;
buf = alloca (p - q + 1);
strncpy (buf, q, p - q);
buf[p - q] = 0;
notice ("%s\n", buf);
if (*p)
p++;
}
break;
case 'j':
{
struct stat st;
if ((!save_temps_flag)
&& (stat (HOST_BIT_BUCKET, &st) == 0) && (!S_ISDIR (st.st_mode))
&& (access (HOST_BIT_BUCKET, W_OK) == 0))
{
obstack_grow (&obstack, HOST_BIT_BUCKET,
strlen (HOST_BIT_BUCKET));
delete_this_arg = 0;
arg_going = 1;
break;
}
}
goto create_temp_file;
case '|':
if (use_pipes)
{
obstack_1grow (&obstack, '-');
delete_this_arg = 0;
arg_going = 1;
while (*p == '.' || ISALPHA ((unsigned char) *p))
p++;
if (p[0] == '%' && p[1] == 'O')
p += 2;
break;
}
goto create_temp_file;
case 'm':
if (use_pipes)
{
while (*p == '.' || ISALPHA ((unsigned char) *p))
p++;
if (p[0] == '%' && p[1] == 'O')
p += 2;
break;
}
goto create_temp_file;
case 'g':
case 'u':
case 'U':
create_temp_file:
{
struct temp_name *t;
int suffix_length;
const char *suffix = p;
char *saved_suffix = NULL;
while (*p == '.' || ISALPHA ((unsigned char) *p))
p++;
suffix_length = p - suffix;
if (p[0] == '%' && p[1] == 'O')
{
p += 2;
if (*p == '.' || ISALPHA ((unsigned char) *p))
fatal ("spec '%s' has invalid '%%0%c'", spec, *p);
if (suffix_length == 0)
suffix = TARGET_OBJECT_SUFFIX;
else
{
saved_suffix
= xmalloc (suffix_length
+ strlen (TARGET_OBJECT_SUFFIX));
strncpy (saved_suffix, suffix, suffix_length);
strcpy (saved_suffix + suffix_length,
TARGET_OBJECT_SUFFIX);
}
suffix_length += strlen (TARGET_OBJECT_SUFFIX);
}
if (save_temps_flag)
{
temp_filename_length = basename_length + suffix_length;
temp_filename = alloca (temp_filename_length + 1);
strncpy ((char *) temp_filename, input_basename, basename_length);
strncpy ((char *) temp_filename + basename_length, suffix,
suffix_length);
*((char *) temp_filename + temp_filename_length) = '\0';
if (strcmp (temp_filename, input_filename) != 0)
{
#ifndef HOST_LACKS_INODE_NUMBERS
struct stat st_temp;
if (input_stat_set == 0)
{
input_stat_set = stat (input_filename, &input_stat);
if (input_stat_set >= 0)
input_stat_set = 1;
}
if (input_stat_set != 1
|| stat (temp_filename, &st_temp) < 0
|| input_stat.st_dev != st_temp.st_dev
|| input_stat.st_ino != st_temp.st_ino)
#else
char* input_realname = lrealpath (input_filename);
char* temp_realname = lrealpath (temp_filename);
bool files_differ = strcmp (input_realname, temp_realname);
free (input_realname);
free (temp_realname);
if (files_differ)
#endif
{
temp_filename = save_string (temp_filename,
temp_filename_length + 1);
obstack_grow (&obstack, temp_filename,
temp_filename_length);
arg_going = 1;
delete_this_arg = 0;
break;
}
}
}
for (t = temp_names; t; t = t->next)
if (t->length == suffix_length
#if 0
&& strcmp (suffix, ".i")
&& strcmp (suffix, ".ii")
#endif
&& strncmp (t->suffix, suffix, suffix_length) == 0
&& t->unique == (c == 'u' || c == 'U' || c == 'j'))
break;
if (t == 0 || c == 'u' || c == 'j')
{
if (t == 0)
{
t = xmalloc (sizeof (struct temp_name));
t->next = temp_names;
temp_names = t;
}
t->length = suffix_length;
if (saved_suffix)
{
t->suffix = saved_suffix;
saved_suffix = NULL;
}
else
t->suffix = save_string (suffix, suffix_length);
t->unique = (c == 'u' || c == 'U' || c == 'j');
temp_filename = make_temp_file (t->suffix);
temp_filename_length = strlen (temp_filename);
t->filename = temp_filename;
t->filename_length = temp_filename_length;
infiles[input_file_number].temp_filename = temp_filename;
}
if (saved_suffix)
free (saved_suffix);
obstack_grow (&obstack, t->filename, t->filename_length);
delete_this_arg = (save_temps_flag == 0);
}
arg_going = 1;
break;
case 'i':
if (combine_inputs)
{
for (i = 0; (int) i < n_infiles; i++)
if ((!infiles[i].language) || (infiles[i].language[0] != '*'))
if (infiles[i].incompiler == input_file_compiler)
{
store_arg (infiles[i].name, 0, 0);
infiles[i].compiled = true;
}
}
else
{
obstack_grow (&obstack, input_filename, input_filename_length);
arg_going = 1;
}
break;
case 'I':
{
struct prefix_list *pl = include_prefixes.plist;
if (gcc_exec_prefix)
{
do_spec_1 ("-iprefix", 1, NULL);
do_spec_1 (" ", 0, NULL);
do_spec_1 (gcc_exec_prefix, 1, NULL);
do_spec_1 (" ", 0, NULL);
}
if (target_system_root_changed ||
(target_system_root && target_sysroot_hdrs_suffix))
{
do_spec_1 ("-isysroot", 1, NULL);
do_spec_1 (" ", 0, NULL);
do_spec_1 (target_system_root, 1, NULL);
if (target_sysroot_hdrs_suffix)
do_spec_1 (target_sysroot_hdrs_suffix, 1, NULL);
do_spec_1 (" ", 0, NULL);
}
for (; pl; pl = pl->next)
do_spec_path (pl, "-isystem", 0, 1, 1, "include", "include");
}
break;
case 'o':
{
int max = n_infiles;
max += lang_specific_extra_outfiles;
for (i = 0; i < max; i++)
if (outfiles[i])
store_arg (outfiles[i], 0, 0);
break;
}
case 'O':
obstack_grow (&obstack, TARGET_OBJECT_SUFFIX, strlen (TARGET_OBJECT_SUFFIX));
arg_going = 1;
break;
case 's':
this_is_library_file = 1;
break;
case 'V':
outfiles[input_file_number] = NULL;
break;
case 'w':
this_is_output_file = 1;
break;
case 'W':
{
int cur_index = argbuf_index;
if (*p != '{')
fatal ("spec '%s' has invalid '%%W%c", spec, *p);
p = handle_braces (p + 1);
if (p == 0)
return -1;
if (arg_going)
{
obstack_1grow (&obstack, 0);
string = obstack_finish (&obstack);
if (this_is_library_file)
string = find_file (string);
store_arg (string, delete_this_arg, this_is_output_file);
if (this_is_output_file)
outfiles[input_file_number] = string;
arg_going = 0;
}
if (argbuf_index != cur_index)
record_temp_file (argbuf[argbuf_index - 1], 0, 1);
break;
}
case 'x':
{
const char *p1 = p;
char *string;
if (*p != '{')
fatal ("spec '%s' has invalid '%%x%c'", spec, *p);
while (*p++ != '}')
;
string = save_string (p1 + 1, p - p1 - 2);
for (i = 0; i < n_linker_options; i++)
if (! strcmp (string, linker_options[i]))
{
free (string);
return 0;
}
add_linker_option (string, strlen (string));
}
break;
case 'X':
for (i = 0; i < n_linker_options; i++)
{
do_spec_1 (linker_options[i], 1, NULL);
do_spec_1 (" ", 0, NULL);
}
break;
case 'Y':
for (i = 0; i < n_assembler_options; i++)
{
do_spec_1 (assembler_options[i], 1, NULL);
do_spec_1 (" ", 0, NULL);
}
break;
case 'Z':
for (i = 0; i < n_preprocessor_options; i++)
{
do_spec_1 (preprocessor_options[i], 1, NULL);
do_spec_1 (" ", 0, NULL);
}
break;
case '1':
value = do_spec_1 (cc1_spec, 0, NULL);
if (value != 0)
return value;
break;
case '2':
value = do_spec_1 (cc1plus_spec, 0, NULL);
if (value != 0)
return value;
break;
case 'a':
value = do_spec_1 (asm_spec, 0, NULL);
if (value != 0)
return value;
break;
case 'A':
value = do_spec_1 (asm_final_spec, 0, NULL);
if (value != 0)
return value;
break;
case 'C':
{
const char *const spec
= (input_file_compiler->cpp_spec
? input_file_compiler->cpp_spec
: cpp_spec);
value = do_spec_1 (spec, 0, NULL);
if (value != 0)
return value;
}
break;
case 'E':
value = do_spec_1 (endfile_spec, 0, NULL);
if (value != 0)
return value;
break;
case 'l':
value = do_spec_1 (link_spec, 0, NULL);
if (value != 0)
return value;
break;
case 'L':
value = do_spec_1 (lib_spec, 0, NULL);
if (value != 0)
return value;
break;
case 'G':
value = do_spec_1 (libgcc_spec, 0, NULL);
if (value != 0)
return value;
break;
case 'R':
if (target_system_root)
{
obstack_grow (&obstack, target_system_root,
strlen (target_system_root));
if (target_sysroot_suffix)
obstack_grow (&obstack, target_sysroot_suffix,
strlen (target_sysroot_suffix));
}
break;
case 'S':
value = do_spec_1 (startfile_spec, 0, NULL);
if (value != 0)
return value;
break;
case '{':
p = handle_braces (p);
if (p == 0)
return -1;
break;
case ':':
p = handle_spec_function (p);
if (p == 0)
return -1;
break;
case '%':
obstack_1grow (&obstack, '%');
break;
case '.':
{
unsigned len = 0;
while (p[len] && p[len] != ' ' && p[len] != '%')
len++;
suffix_subst = save_string (p - 1, len + 1);
p += len;
}
break;
case '<':
{
unsigned len = 0;
int have_wildcard = 0;
int i;
while (p[len] && p[len] != ' ' && p[len] != '\t')
len++;
if (p[len-1] == '*')
have_wildcard = 1;
for (i = 0; i < n_switches; i++)
if (!strncmp (switches[i].part1, p, len - have_wildcard)
&& (have_wildcard || switches[i].part1[len] == '\0'))
{
switches[i].live_cond = SWITCH_IGNORE;
switches[i].validated = 1;
}
p += len;
}
break;
case '*':
if (soft_matched_part)
{
do_spec_1 (soft_matched_part, 1, NULL);
do_spec_1 (" ", 0, NULL);
}
else
error ("spec failure: '%%*' has not been initialized by pattern match");
break;
case '[':
error ("warning: use of obsolete %%[ operator in specs");
case '(':
{
const char *name = p;
struct spec_list *sl;
int len;
while (*p && *p != ')' && *p != ']')
p++;
for (len = p - name, sl = specs; sl; sl = sl->next)
if (sl->name_len == len && !strncmp (sl->name, name, len))
{
name = *(sl->ptr_spec);
#ifdef DEBUG_SPECS
notice ("Processing spec %c%s%c, which is '%s'\n",
c, sl->name, (c == '(') ? ')' : ']', name);
#endif
break;
}
if (sl)
{
if (c == '(')
{
value = do_spec_1 (name, 0, NULL);
if (value != 0)
return value;
}
else
{
char *x = alloca (strlen (name) * 2 + 1);
char *buf = x;
const char *y = name;
int flag = 0;
while (1)
{
if (! strncmp (y, "-D", 2))
{
*x++ = '-';
*x++ = 'D';
*x++ = '_';
*x++ = '_';
y += 2;
flag = 1;
continue;
}
else if (flag
&& (*y == ' ' || *y == '\t' || *y == '='
|| *y == '}' || *y == 0))
{
*x++ = '_';
*x++ = '_';
flag = 0;
}
if (*y == 0)
break;
else
*x++ = *y++;
}
*x = 0;
value = do_spec_1 (buf, 0, NULL);
if (value != 0)
return value;
}
}
if (*p)
p++;
}
break;
default:
error ("spec failure: unrecognized spec option '%c'", c);
break;
}
break;
case '\\':
c = *p++;
default:
obstack_1grow (&obstack, c);
arg_going = 1;
}
if (processing_spec_function && arg_going)
{
obstack_1grow (&obstack, 0);
string = obstack_finish (&obstack);
if (this_is_library_file)
string = find_file (string);
store_arg (string, delete_this_arg, this_is_output_file);
if (this_is_output_file)
outfiles[input_file_number] = string;
arg_going = 0;
}
return 0;
}
static const struct spec_function *
lookup_spec_function (const char *name)
{
static const struct spec_function * const spec_function_tables[] =
{
static_spec_functions,
lang_specific_spec_functions,
};
const struct spec_function *sf;
unsigned int i;
for (i = 0; i < ARRAY_SIZE (spec_function_tables); i++)
{
for (sf = spec_function_tables[i]; sf->name != NULL; sf++)
if (strcmp (sf->name, name) == 0)
return sf;
}
return NULL;
}
static const char *
eval_spec_function (const char *func, const char *args)
{
const struct spec_function *sf;
const char *funcval;
int save_argbuf_index;
int save_argbuf_length;
const char **save_argbuf;
int save_arg_going;
int save_delete_this_arg;
int save_this_is_output_file;
int save_this_is_library_file;
int save_input_from_pipe;
const char *save_suffix_subst;
sf = lookup_spec_function (func);
if (sf == NULL)
fatal ("unknown spec function '%s'", func);
save_argbuf_index = argbuf_index;
save_argbuf_length = argbuf_length;
save_argbuf = argbuf;
save_arg_going = arg_going;
save_delete_this_arg = delete_this_arg;
save_this_is_output_file = this_is_output_file;
save_this_is_library_file = this_is_library_file;
save_input_from_pipe = input_from_pipe;
save_suffix_subst = suffix_subst;
alloc_args ();
if (do_spec_2 (args) < 0)
fatal ("error in args to spec function '%s'", func);
funcval = (*sf->func) (argbuf_index, argbuf);
argbuf_index = save_argbuf_index;
argbuf_length = save_argbuf_length;
free (argbuf);
argbuf = save_argbuf;
arg_going = save_arg_going;
delete_this_arg = save_delete_this_arg;
this_is_output_file = save_this_is_output_file;
this_is_library_file = save_this_is_library_file;
input_from_pipe = save_input_from_pipe;
suffix_subst = save_suffix_subst;
return funcval;
}
static const char *
handle_spec_function (const char *p)
{
char *func, *args;
const char *endp, *funcval;
int count;
processing_spec_function++;
for (endp = p; *endp != '\0'; endp++)
{
if (*endp == '(')
break;
if (!ISALNUM (*endp) && !(*endp == '-' || *endp == '_'))
fatal ("malformed spec function name");
}
if (*endp != '(')
fatal ("no arguments for spec function");
func = save_string (p, endp - p);
p = ++endp;
for (count = 0; *endp != '\0'; endp++)
{
if (*endp == ')')
{
if (count == 0)
break;
count--;
}
else if (*endp == '(')
count++;
}
if (*endp != ')')
fatal ("malformed spec function arguments");
args = save_string (p, endp - p);
p = ++endp;
funcval = eval_spec_function (func, args);
if (funcval != NULL && do_spec_1 (funcval, 0, NULL) < 0)
p = NULL;
free (func);
free (args);
processing_spec_function--;
return p;
}
static inline bool
input_suffix_matches (const char *atom, const char *end_atom)
\
{
return (input_suffix
&& !strncmp (input_suffix, atom, end_atom - atom)
&& input_suffix[end_atom - atom] == '\0');
}
static bool
input_spec_matches (const char *atom, const char *end_atom)
{
return (input_file_compiler
&& input_file_compiler->suffix
&& input_file_compiler->suffix[0] != '\0'
&& !strncmp (input_file_compiler->suffix + 1, atom,
end_atom - atom)
&& input_file_compiler->suffix[end_atom - atom + 1] == '\0');
}
\
static inline bool
switch_matches (const char *atom, const char *end_atom, int starred)
{
int i;
int len = end_atom - atom;
int plen = starred ? len : -1;
for (i = 0; i < n_switches; i++)
if (!strncmp (switches[i].part1, atom, len)
&& (starred || switches[i].part1[len] == '\0')
&& check_live_switch (i, plen))
return true;
return false;
}
static inline void
mark_matching_switches (const char *atom, const char *end_atom, int starred)
{
int i;
int len = end_atom - atom;
int plen = starred ? len : -1;
for (i = 0; i < n_switches; i++)
if (!strncmp (switches[i].part1, atom, len)
&& (starred || switches[i].part1[len] == '\0')
&& check_live_switch (i, plen))
switches[i].ordering = 1;
}
static inline void
process_marked_switches (void)
{
int i;
for (i = 0; i < n_switches; i++)
if (switches[i].ordering == 1)
{
switches[i].ordering = 0;
give_switch (i, 0);
}
}
static const char *
handle_braces (const char *p)
{
const char *atom, *end_atom;
const char *d_atom = NULL, *d_end_atom = NULL;
const char *orig = p;
bool a_is_suffix;
\
bool a_is_spectype;
\
bool a_is_starred;
bool a_is_negated;
bool a_matched;
bool a_must_be_last = false;
bool ordered_set = false;
bool disjunct_set = false;
bool disj_matched = false;
bool disj_starred = true;
bool n_way_choice = false;
bool n_way_matched = false;
#define SKIP_WHITE() do { while (*p == ' ' || *p == '\t') p++; } while (0)
do
{
if (a_must_be_last)
goto invalid;
\
a_matched = false;
a_is_suffix = false;
a_is_starred = false;
a_is_negated = false;
a_is_spectype = false;
\
SKIP_WHITE();
if (*p == '!')
p++, a_is_negated = true;
SKIP_WHITE();
if (*p == '.')
p++, a_is_suffix = true;
\
else if (*p == ',')
p++, a_is_spectype = true;
\
atom = p;
while (ISIDNUM(*p) || *p == '-' || *p == '+' || *p == '='
|| *p == ',' || *p == '.' || *p == '@')
p++;
end_atom = p;
if (*p == '*')
p++, a_is_starred = 1;
SKIP_WHITE();
switch (*p)
{
case '&': case '}':
ordered_set = true;
if (disjunct_set || n_way_choice || a_is_negated || a_is_suffix
\
|| a_is_spectype || atom == end_atom)
\
goto invalid;
mark_matching_switches (atom, end_atom, a_is_starred);
if (*p == '}')
process_marked_switches ();
break;
case '|': case ':':
disjunct_set = true;
if (ordered_set)
goto invalid;
if (atom == end_atom)
{
if (!n_way_choice || disj_matched || *p == '|'
\
|| a_is_negated || a_is_suffix || a_is_spectype
|| a_is_starred)
\
goto invalid;
a_must_be_last = true;
disj_matched = !n_way_matched;
disj_starred = false;
}
else
{
\
if ((a_is_suffix || a_is_spectype) && a_is_starred)
goto invalid;
if (!a_is_starred)
disj_starred = false;
if (!disj_matched && !n_way_matched)
{
if (a_is_suffix)
a_matched = input_suffix_matches (atom, end_atom);
else if (a_is_spectype)
a_matched = input_spec_matches (atom, end_atom);
else
a_matched = switch_matches (atom, end_atom, a_is_starred);
if (a_matched != a_is_negated)
{
disj_matched = true;
d_atom = atom;
d_end_atom = end_atom;
}
}
\
}
if (*p == ':')
{
p = process_brace_body (p + 1, d_atom, d_end_atom, disj_starred,
disj_matched && !n_way_matched);
if (p == 0)
return 0;
if (*p == ';')
{
n_way_choice = true;
n_way_matched |= disj_matched;
disj_matched = false;
disj_starred = true;
d_atom = d_end_atom = NULL;
}
}
break;
default:
goto invalid;
}
}
while (*p++ != '}');
return p;
invalid:
fatal ("braced spec '%s' is invalid at '%c'", orig, *p);
#undef SKIP_WHITE
}
static const char *
process_brace_body (const char *p, const char *atom, const char *end_atom,
int starred, int matched)
{
const char *body, *end_body;
unsigned int nesting_level;
bool have_subst = false;
body = p;
nesting_level = 1;
for (;;)
{
if (*p == '{')
nesting_level++;
else if (*p == '}')
{
if (!--nesting_level)
break;
}
else if (*p == ';' && nesting_level == 1)
break;
else if (*p == '%' && p[1] == '*' && nesting_level == 1)
have_subst = true;
else if (*p == '\0')
goto invalid;
p++;
}
end_body = p;
while (end_body[-1] == ' ' || end_body[-1] == '\t')
end_body--;
if (have_subst && !starred)
goto invalid;
if (matched)
{
char *string = save_string (body, end_body - body);
if (!have_subst)
{
if (do_spec_1 (string, 0, NULL) < 0)
return 0;
}
else
{
unsigned int hard_match_len = end_atom - atom;
int i;
for (i = 0; i < n_switches; i++)
if (!strncmp (switches[i].part1, atom, hard_match_len)
&& check_live_switch (i, hard_match_len))
{
if (do_spec_1 (string, 0,
&switches[i].part1[hard_match_len]) < 0)
return 0;
give_switch (i, 1);
suffix_subst = NULL;
}
}
}
return p;
invalid:
fatal ("braced spec body '%s' is invalid", body);
}
static int
check_live_switch (int switchnum, int prefix_length)
{
const char *name = switches[switchnum].part1;
int i;
if (prefix_length >= 0 && prefix_length <= 1)
return 1;
if (switches[switchnum].live_cond != 0)
return switches[switchnum].live_cond > 0;
switch (*name)
{
case 'O':
for (i = switchnum + 1; i < n_switches; i++)
if (switches[i].part1[0] == 'O')
{
switches[switchnum].validated = 1;
switches[switchnum].live_cond = SWITCH_FALSE;
return 0;
}
break;
case 'W': case 'f': case 'm':
if (! strncmp (name + 1, "no-", 3))
{
for (i = switchnum + 1; i < n_switches; i++)
if (switches[i].part1[0] == name[0]
&& ! strcmp (&switches[i].part1[1], &name[4]))
{
switches[switchnum].validated = 1;
switches[switchnum].live_cond = SWITCH_FALSE;
return 0;
}
}
else
{
for (i = switchnum + 1; i < n_switches; i++)
if (switches[i].part1[0] == name[0]
&& switches[i].part1[1] == 'n'
&& switches[i].part1[2] == 'o'
&& switches[i].part1[3] == '-'
&& !strcmp (&switches[i].part1[4], &name[1]))
{
switches[switchnum].validated = 1;
switches[switchnum].live_cond = SWITCH_FALSE;
return 0;
}
}
break;
}
switches[switchnum].live_cond = SWITCH_LIVE;
return 1;
}
static void
give_switch (int switchnum, int omit_first_word)
{
if (switches[switchnum].live_cond == SWITCH_IGNORE)
return;
if (!omit_first_word)
{
do_spec_1 ("-", 0, NULL);
do_spec_1 (switches[switchnum].part1, 1, NULL);
}
if (switches[switchnum].args != 0)
{
const char **p;
for (p = switches[switchnum].args; *p; p++)
{
const char *arg = *p;
do_spec_1 (" ", 0, NULL);
if (suffix_subst)
{
unsigned length = strlen (arg);
int dot = 0;
while (length-- && !IS_DIR_SEPARATOR (arg[length]))
if (arg[length] == '.')
{
((char *)arg)[length] = 0;
dot = 1;
break;
}
do_spec_1 (arg, 1, NULL);
if (dot)
((char *)arg)[length] = '.';
do_spec_1 (suffix_subst, 1, NULL);
}
else
do_spec_1 (arg, 1, NULL);
}
}
do_spec_1 (" ", 0, NULL);
switches[switchnum].validated = 1;
}
static const char *
find_file (const char *name)
{
char *newname;
if (multilib_os_dir != NULL)
{
newname = find_a_file (&startfile_prefixes, name, R_OK, 1);
if (newname != NULL)
return newname;
}
newname = find_a_file (&startfile_prefixes, name, R_OK, 0);
return newname ? newname : name;
}
static int
is_directory (const char *path1, const char *path2, int linker)
{
int len1 = strlen (path1);
int len2 = strlen (path2);
char *path = alloca (3 + len1 + len2);
char *cp;
struct stat st;
#ifndef SMALL_ARG_MAX
if (! linker)
return 1;
#endif
memcpy (path, path1, len1);
memcpy (path + len1, path2, len2);
cp = path + len1 + len2;
if (!IS_DIR_SEPARATOR (cp[-1]))
*cp++ = DIR_SEPARATOR;
*cp++ = '.';
*cp = '\0';
if (linker
&& ((cp - path == 6
&& strcmp (path, concat (dir_separator_str, "lib",
dir_separator_str, ".", NULL)) == 0)
|| (cp - path == 10
&& strcmp (path, concat (dir_separator_str, "usr",
dir_separator_str, "lib",
dir_separator_str, ".", NULL)) == 0)))
return 0;
return (stat (path, &st) >= 0 && S_ISDIR (st.st_mode));
}
void
set_input (const char *filename)
{
const char *p;
input_filename = filename;
input_filename_length = strlen (input_filename);
input_basename = input_filename;
#ifdef HAVE_DOS_BASED_FILE_SYSTEM
if (input_basename[1] == ':')
input_basename += 2;
#endif
for (p = input_basename; *p; p++)
if (IS_DIR_SEPARATOR (*p))
input_basename = p + 1;
basename_length = strlen (input_basename);
suffixed_basename_length = basename_length;
p = input_basename + basename_length;
while (p != input_basename && *p != '.')
--p;
if (*p == '.' && p != input_basename)
{
basename_length = p - input_basename;
input_suffix = p + 1;
}
else
input_suffix = "";
input_stat_set = 0;
}
static void
fatal_error (int signum)
{
signal (signum, SIG_DFL);
delete_failure_queue ();
delete_temp_files ();
kill (getpid (), signum);
}
extern int main (int, const char **);
int
main (int argc, const char **argv)
{
size_t i;
int value;
int linker_was_run = 0;
int lang_n_infiles = 0;
int num_linker_inputs = 0;
char *explicit_link_files;
char *specs_file;
const char *p;
struct user_specs *uptr;
cc_print_options = getenv ("CC_PRINT_OPTIONS");
cc_print_options_filename = getenv ("CC_PRINT_OPTIONS_FILE");
p = argv[0] + strlen (argv[0]);
while (p != argv[0] && !IS_DIR_SEPARATOR (p[-1]))
--p;
programname = p;
xmalloc_set_program_name (programname);
#ifdef GCC_DRIVER_HOST_INITIALIZATION
GCC_DRIVER_HOST_INITIALIZATION;
#endif
unlock_std_streams ();
gcc_init_libintl ();
if (signal (SIGINT, SIG_IGN) != SIG_IGN)
signal (SIGINT, fatal_error);
#ifdef SIGHUP
if (signal (SIGHUP, SIG_IGN) != SIG_IGN)
signal (SIGHUP, fatal_error);
#endif
if (signal (SIGTERM, SIG_IGN) != SIG_IGN)
signal (SIGTERM, fatal_error);
#ifdef SIGPIPE
if (signal (SIGPIPE, SIG_IGN) != SIG_IGN)
signal (SIGPIPE, fatal_error);
#endif
#ifdef SIGCHLD
signal (SIGCHLD, SIG_DFL);
#endif
alloc_args ();
obstack_init (&obstack);
{
const char *const *q = multilib_raw;
int need_space;
obstack_init (&multilib_obstack);
while ((p = *q++) != (char *) 0)
obstack_grow (&multilib_obstack, p, strlen (p));
obstack_1grow (&multilib_obstack, 0);
multilib_select = obstack_finish (&multilib_obstack);
q = multilib_matches_raw;
while ((p = *q++) != (char *) 0)
obstack_grow (&multilib_obstack, p, strlen (p));
obstack_1grow (&multilib_obstack, 0);
multilib_matches = obstack_finish (&multilib_obstack);
q = multilib_exclusions_raw;
while ((p = *q++) != (char *) 0)
obstack_grow (&multilib_obstack, p, strlen (p));
obstack_1grow (&multilib_obstack, 0);
multilib_exclusions = obstack_finish (&multilib_obstack);
need_space = FALSE;
for (i = 0; i < ARRAY_SIZE (multilib_defaults_raw); i++)
{
if (need_space)
obstack_1grow (&multilib_obstack, ' ');
obstack_grow (&multilib_obstack,
multilib_defaults_raw[i],
strlen (multilib_defaults_raw[i]));
need_space = TRUE;
}
obstack_1grow (&multilib_obstack, 0);
multilib_defaults = obstack_finish (&multilib_obstack);
}
obstack_init (&collect_obstack);
obstack_grow (&collect_obstack, "COLLECT_GCC=", sizeof ("COLLECT_GCC=") - 1);
obstack_grow (&collect_obstack, argv[0], strlen (argv[0]) + 1);
putenv (obstack_finish (&collect_obstack));
#ifdef INIT_ENVIRONMENT
putenv (INIT_ENVIRONMENT);
#endif
process_command (argc, argv);
compilers = xmalloc (sizeof default_compilers);
memcpy (compilers, default_compilers, sizeof default_compilers);
n_compilers = n_default_compilers;
machine_suffix = concat (spec_machine, dir_separator_str,
spec_version, dir_separator_str, NULL);
just_machine_suffix = concat (spec_machine, dir_separator_str, NULL);
specs_file = find_a_file (&startfile_prefixes, "specs", R_OK, 0);
if (specs_file != 0 && strcmp (specs_file, "specs"))
read_specs (specs_file, TRUE);
else
init_spec ();
specs_file = alloca (strlen (standard_exec_prefix)
+ strlen (just_machine_suffix) + sizeof ("specs"));
strcpy (specs_file, standard_exec_prefix);
strcat (specs_file, just_machine_suffix);
strcat (specs_file, "specs");
if (access (specs_file, R_OK) == 0)
read_specs (specs_file, TRUE);
for (i = 0; i < ARRAY_SIZE (option_default_specs); i++)
do_option_spec (option_default_specs[i].name,
option_default_specs[i].spec);
for (i = 0; i < ARRAY_SIZE (driver_self_specs); i++)
do_self_spec (driver_self_specs[i]);
if (*cross_compile == '0')
{
if (*md_exec_prefix)
{
add_prefix (&exec_prefixes, md_exec_prefix, "GCC",
PREFIX_PRIORITY_LAST, 0, 0);
}
}
if (*sysroot_suffix_spec != 0
&& do_spec_2 (sysroot_suffix_spec) == 0)
{
if (argbuf_index > 1)
error ("spec failure: more than one arg to SYSROOT_SUFFIX_SPEC.");
else if (argbuf_index == 1)
target_sysroot_suffix = xstrdup (argbuf[argbuf_index -1]);
}
if (*sysroot_hdrs_suffix_spec != 0
&& do_spec_2 (sysroot_hdrs_suffix_spec) == 0)
{
if (argbuf_index > 1)
error ("spec failure: more than one arg to SYSROOT_HEADERS_SUFFIX_SPEC.");
else if (argbuf_index == 1)
target_sysroot_hdrs_suffix = xstrdup (argbuf[argbuf_index -1]);
}
#ifndef SYSROOT_PRIORITY
#define SYSROOT_PRIORITY PREFIX_PRIORITY_LAST
#endif
if (*startfile_prefix_spec != 0
&& do_spec_2 (startfile_prefix_spec) == 0
&& do_spec_1 (" ", 0, NULL) == 0)
{
int ndx;
for (ndx = 0; ndx < argbuf_index; ndx++)
add_sysrooted_prefix (&startfile_prefixes, argbuf[ndx], "BINUTILS",
SYSROOT_PRIORITY, 0, 1);
}
else if (*cross_compile == '0' || target_system_root)
{
if (*md_exec_prefix)
add_sysrooted_prefix (&startfile_prefixes, md_exec_prefix, "GCC",
SYSROOT_PRIORITY, 0, 1);
if (*md_startfile_prefix)
add_sysrooted_prefix (&startfile_prefixes, md_startfile_prefix,
"GCC", SYSROOT_PRIORITY, 0, 1);
if (*md_startfile_prefix_1)
add_sysrooted_prefix (&startfile_prefixes, md_startfile_prefix_1,
"GCC", SYSROOT_PRIORITY, 0, 1);
if (IS_ABSOLUTE_PATH (standard_startfile_prefix))
add_sysrooted_prefix (&startfile_prefixes,
standard_startfile_prefix, "BINUTILS",
SYSROOT_PRIORITY, 0, 1);
else if (*cross_compile == '0')
{
if (gcc_exec_prefix)
add_prefix (&startfile_prefixes,
concat (gcc_exec_prefix, machine_suffix,
standard_startfile_prefix, NULL),
NULL, PREFIX_PRIORITY_LAST, 0, 1);
if (IS_ABSOLUTE_PATH (standard_exec_prefix))
add_sysrooted_prefix (&startfile_prefixes,
concat (standard_exec_prefix,
machine_suffix,
standard_startfile_prefix, NULL),
NULL, PREFIX_PRIORITY_LAST, 0, 1);
else
add_prefix (&startfile_prefixes,
concat (standard_exec_prefix,
machine_suffix,
standard_startfile_prefix, NULL),
NULL, PREFIX_PRIORITY_LAST, 0, 1);
}
if (*standard_startfile_prefix_1)
add_sysrooted_prefix (&startfile_prefixes,
standard_startfile_prefix_1, "BINUTILS",
SYSROOT_PRIORITY, 0, 1);
if (*standard_startfile_prefix_2)
add_sysrooted_prefix (&startfile_prefixes,
standard_startfile_prefix_2, "BINUTILS",
SYSROOT_PRIORITY, 0, 1);
}
for (uptr = user_specs_head; uptr; uptr = uptr->next)
{
char *filename = find_a_file (&startfile_prefixes, uptr->filename,
R_OK, 0);
read_specs (filename ? filename : uptr->filename, FALSE);
}
if (gcc_exec_prefix)
gcc_exec_prefix = concat (gcc_exec_prefix, spec_machine, dir_separator_str,
spec_version, dir_separator_str, NULL);
validate_all_switches ();
set_multilib_dir ();
for (i = 0; (int) i < n_switches; i++)
if (! switches[i].validated)
error ("unrecognized option '-%s'", switches[i].part1);
if (print_search_dirs)
{
printf (_("install: %s%s\n"), standard_exec_prefix, machine_suffix);
printf (_("programs: %s\n"), build_search_list (&exec_prefixes, "", 0));
printf (_("libraries: %s\n"), build_search_list (&startfile_prefixes, "", 0));
return (0);
}
if (print_file_name)
{
printf ("%s\n", find_file (print_file_name));
return (0);
}
if (print_prog_name)
{
char *newname = find_a_file (&exec_prefixes, print_prog_name, X_OK, 0);
printf ("%s\n", (newname ? newname : print_prog_name));
return (0);
}
if (print_multi_lib)
{
print_multilib_info ();
return (0);
}
if (print_multi_directory)
{
if (multilib_dir == NULL)
printf (".\n");
else
printf ("%s\n", multilib_dir);
return (0);
}
if (print_multi_os_directory)
{
if (multilib_os_dir == NULL)
printf (".\n");
else
printf ("%s\n", multilib_os_dir);
return (0);
}
if (target_help_flag)
{
}
if (print_help_list)
{
display_help ();
if (! verbose_flag)
{
printf (_("\nFor bug reporting instructions, please see:\n"));
printf ("%s.\n", bug_report_url);
return (0);
}
}
if (verbose_flag)
{
int n;
const char *thrmod;
notice ("Target: %s\n", spec_machine);
notice ("Configured with: %s\n", configuration_arguments);
#ifdef THREAD_MODEL_SPEC
obstack_init (&obstack);
do_spec_1 (THREAD_MODEL_SPEC, 0, thread_model);
obstack_1grow (&obstack, '\0');
thrmod = obstack_finish (&obstack);
#else
thrmod = thread_model;
#endif
notice ("Thread model: %s\n", thrmod);
for (n = 0; version_string[n]; n++)
if (version_string[n] == ' ')
break;
if (! strncmp (version_string, compiler_version, n)
&& compiler_version[n] == 0)
notice ("gcc version %s\n", version_string);
else
notice ("gcc driver version %s executing gcc version %s\n",
version_string, compiler_version);
if (n_infiles == 0)
return (0);
}
if (n_infiles == added_libraries)
fatal ("no input files");
i = n_infiles;
i += lang_specific_extra_outfiles;
outfiles = xcalloc (i, sizeof (char *));
explicit_link_files = xcalloc (1, n_infiles);
if (combine_flag)
combine_inputs = true;
else
combine_inputs = false;
for (i = 0; (int) i < n_infiles; i++)
{
const char *name = infiles[i].name;
struct compiler *compiler = lookup_compiler (name,
strlen (name),
infiles[i].language);
if (compiler && !(compiler->combinable))
combine_inputs = false;
if (lang_n_infiles > 0 && compiler != input_file_compiler
&& infiles[i].language && infiles[i].language[0] != '*')
infiles[i].incompiler = compiler;
else if (compiler)
{
lang_n_infiles++;
input_file_compiler = compiler;
infiles[i].incompiler = compiler;
}
else
{
explicit_link_files[i] = 1;
infiles[i].incompiler = NULL;
}
infiles[i].compiled = false;
infiles[i].preprocessed = false;
}
if (combine_flag
&& (save_temps_flag || traditional_cpp_flag || capital_e_flag))
{
bool save_combine_inputs = combine_inputs;
combine_inputs = false;
for (i = 0; (int) i < n_infiles; i++)
{
int this_file_error = 0;
input_file_number = i;
set_input (infiles[i].name);
if (infiles[i].incompiler
&& (infiles[i].incompiler)->needs_preprocessing)
input_file_compiler = infiles[i].incompiler;
else
continue;
if (input_file_compiler)
{
if (input_file_compiler->spec[0] == '#')
{
error ("%s: %s compiler not installed on this system",
input_filename, &input_file_compiler->spec[1]);
this_file_error = 1;
}
else if (capital_e_flag)
{
value = do_spec (input_file_compiler->spec);
infiles[i].preprocessed = true;
if (!have_o_argbuf_index)
fatal ("spec '%s' is invalid", input_file_compiler->spec);
infiles[i].name = argbuf[have_o_argbuf_index];
infiles[i].incompiler
= lookup_compiler (infiles[i].name,
strlen (infiles[i].name),
infiles[i].language);
if (value < 0)
this_file_error = 1;
}
else if (save_temps_flag)
{
value = do_spec (input_file_compiler->spec);
infiles[i].preprocessed = TRUE;
if (have_o_argbuf_index)
infiles[i].name = argbuf[have_o_argbuf_index];
else
abort ();
infiles[i].incompiler = lookup_compiler (infiles[i].name,
strlen (infiles[i].name),
infiles[i].language);
}
else if (traditional_cpp_flag)
{
infiles[i].name = infiles[i].temp_filename;
infiles[i].incompiler = lookup_compiler (infiles[i].name,
strlen (infiles[i].name),
infiles[i].language);
}
}
if (value < 0)
this_file_error = 1;
if (this_file_error)
{
delete_failure_queue ();
error_count++;
break;
}
clear_failure_queue ();
}
combine_inputs = save_combine_inputs;
}
for (i = 0; (int) i < n_infiles; i++)
{
int this_file_error = 0;
input_file_number = i;
set_input (infiles[i].name);
if (infiles[i].compiled)
continue;
outfiles[i] = input_filename;
if (! combine_inputs)
input_file_compiler
= lookup_compiler (infiles[i].name, input_filename_length,
infiles[i].language);
else
input_file_compiler = infiles[i].incompiler;
if (input_file_compiler)
{
if (input_file_compiler->spec[0] == '#')
{
error ("%s: %s compiler not installed on this system",
input_filename, &input_file_compiler->spec[1]);
this_file_error = 1;
}
else if (!capital_e_flag || !combine_inputs)
{
value = do_spec (input_file_compiler->spec);
infiles[i].compiled = true;
if (value < 0)
this_file_error = 1;
}
}
else
explicit_link_files[i] = 1;
if (this_file_error)
{
delete_failure_queue ();
error_count++;
}
clear_failure_queue ();
}
if (n_infiles > 0)
{
int i;
for (i = 0; i < n_infiles ; i++)
if (infiles[i].language == 0 || infiles[i].language[0] != '*')
{
set_input (infiles[i].name);
break;
}
}
if (error_count == 0)
{
input_file_number = n_infiles;
if (lang_specific_pre_link ())
error_count++;
}
num_linker_inputs = 0;
for (i = 0; (int) i < n_infiles; i++)
if (explicit_link_files[i] || outfiles[i] != NULL)
num_linker_inputs++;
if (num_linker_inputs > 0 && error_count == 0)
{
int tmp = execution_count;
if (! strcmp (linker_name_spec, "collect2"))
{
char *s = find_a_file (&exec_prefixes, "collect2", X_OK, 0);
if (s == NULL)
linker_name_spec = "ld";
}
putenv_from_prefixes (&exec_prefixes, "COMPILER_PATH");
putenv_from_prefixes (&startfile_prefixes, LIBRARY_PATH_ENV);
value = do_spec (link_command_spec);
if (value < 0)
error_count = 1;
linker_was_run = (tmp != execution_count);
}
if (! linker_was_run && error_count == 0)
for (i = 0; (int) i < n_infiles; i++)
if (explicit_link_files[i])
error ("%s: linker input file unused because linking not done",
outfiles[i]);
if (error_count)
delete_failure_queue ();
delete_temp_files ();
if (print_help_list)
{
printf (("\nFor bug reporting instructions, please see:\n"));
printf ("%s\n", bug_report_url);
}
return (signal_count != 0 ? 2
: error_count > 0 ? (pass_exit_codes ? greatest_status : 1)
: 0);
}
static struct compiler *
lookup_compiler (const char *name, size_t length, const char *language)
{
struct compiler *cp;
if (language != 0 && language[0] == '*')
return 0;
if (language != 0)
{
for (cp = compilers + n_compilers - 1; cp >= compilers; cp--)
if (cp->suffix[0] == '@' && !strcmp (cp->suffix + 1, language))
return cp;
error ("language %s not recognized", language);
return 0;
}
for (cp = compilers + n_compilers - 1; cp >= compilers; cp--)
{
if (
(!strcmp (cp->suffix, "-") && !strcmp (name, "-"))
|| (strlen (cp->suffix) < length
&& !strcmp (cp->suffix,
name + length - strlen (cp->suffix))
))
break;
}
#if defined (OS2) ||defined (HAVE_DOS_BASED_FILE_SYSTEM)
if (cp < compilers)
for (cp = compilers + n_compilers - 1; cp >= compilers; cp--)
{
if (
(!strcmp (cp->suffix, "-") && !strcmp (name, "-"))
|| (strlen (cp->suffix) < length
&& ((!strcmp (cp->suffix,
name + length - strlen (cp->suffix))
|| !strpbrk (cp->suffix, "ABCDEFGHIJKLMNOPQRSTUVWXYZ"))
&& !strcasecmp (cp->suffix,
name + length - strlen (cp->suffix)))
))
break;
}
#endif
if (cp >= compilers)
{
if (default_language)
{
struct compiler *ncomp = lookup_compiler (NULL, 0, default_language);
#if 0
if (cp == ncomp
|| (cp->spec[0] == '@'
&& ncomp
&& strcmp (cp->spec, ncomp->suffix) == 0))
{
if (strcmp (default_language, "objective-c") == 0)
error ("Warning: -ObjC/-fobjc option is redundant");
if (strcmp (default_language, "objective-c++") == 0)
error ("Warning: -ObjC++ option is redundant");
}
#endif
return ncomp;
}
if (cp->spec[0] != '@')
return cp;
return lookup_compiler (NULL, 0, cp->spec + 1);
}
return 0;
}
static char *
save_string (const char *s, int len)
{
char *result = xmalloc (len + 1);
memcpy (result, s, len);
result[len] = 0;
return result;
}
void
pfatal_with_name (const char *name)
{
perror_with_name (name);
delete_temp_files ();
exit (1);
}
static void
perror_with_name (const char *name)
{
error ("%s: %s", name, xstrerror (errno));
}
static void
pfatal_pexecute (const char *errmsg_fmt, const char *errmsg_arg)
{
if (errmsg_arg)
{
int save_errno = errno;
char *msg = xmalloc (strlen (errmsg_fmt) + strlen (errmsg_arg));
sprintf (msg, errmsg_fmt, errmsg_arg);
errmsg_fmt = msg;
errno = save_errno;
}
pfatal_with_name (errmsg_fmt);
}
void
fancy_abort (const char *file, int line, const char *func)
{
fatal ("internal gcc abort in %s, at %s:%d", func, file, line);
}
void
fatal (const char *cmsgid, ...)
{
va_list ap;
va_start (ap, cmsgid);
fprintf (stderr, "%s: ", programname);
vfprintf (stderr, _(cmsgid), ap);
va_end (ap);
fprintf (stderr, "\n");
delete_temp_files ();
exit (1);
}
void
error (const char *gmsgid, ...)
{
va_list ap;
va_start (ap, gmsgid);
fprintf (stderr, "%s: ", programname);
vfprintf (stderr, _(gmsgid), ap);
va_end (ap);
fprintf (stderr, "\n");
}
static void
notice (const char *cmsgid, ...)
{
va_list ap;
va_start (ap, cmsgid);
vfprintf (stderr, _(cmsgid), ap);
va_end (ap);
}
static inline void
validate_switches_from_spec (const char *spec)
{
const char *p = spec;
char c;
while ((c = *p++))
if (c == '%' && (*p == '{' || *p == '<' || (*p == 'W' && *++p == '{')))
p = validate_switches (p + 1);
}
static void
validate_all_switches (void)
{
struct compiler *comp;
struct spec_list *spec;
for (comp = compilers; comp->spec; comp++)
validate_switches_from_spec (comp->spec);
for (spec = specs; spec; spec = spec->next)
validate_switches_from_spec (*spec->ptr_spec);
validate_switches_from_spec (link_command_spec);
}
static const char *
validate_switches (const char *start)
{
const char *p = start;
const char *atom;
size_t len;
int i;
bool suffix = false;
bool starred = false;
#define SKIP_WHITE() do { while (*p == ' ' || *p == '\t') p++; } while (0)
next_member:
SKIP_WHITE ();
if (*p == '!')
p++;
SKIP_WHITE ();
\
if (*p == '.' || *p == ',')
\
suffix = true, p++;
atom = p;
while (ISIDNUM (*p) || *p == '-' || *p == '+' || *p == '='
|| *p == ',' || *p == '.' || *p == '@')
p++;
len = p - atom;
if (*p == '*')
starred = true, p++;
SKIP_WHITE ();
if (!suffix)
{
for (i = 0; i < n_switches; i++)
if (!strncmp (switches[i].part1, atom, len)
&& (starred || switches[i].part1[len] == 0))
switches[i].validated = 1;
}
if (*p) p++;
if (*p && (p[-1] == '|' || p[-1] == '&'))
goto next_member;
if (*p && p[-1] == ':')
{
while (*p && *p != ';' && *p != '}')
{
if (*p == '%')
{
p++;
if (*p == '{' || *p == '<')
p = validate_switches (p+1);
else if (p[0] == 'W' && p[1] == '{')
p = validate_switches (p+2);
}
else
p++;
}
if (*p) p++;
if (*p && p[-1] == ';')
goto next_member;
}
return p;
#undef SKIP_WHITE
}
struct mdswitchstr
{
const char *str;
int len;
};
static struct mdswitchstr *mdswitches;
static int n_mdswitches;
static int
used_arg (const char *p, int len)
{
struct mswitchstr
{
const char *str;
const char *replace;
int len;
int rep_len;
};
static struct mswitchstr *mswitches;
static int n_mswitches;
int i, j;
if (!mswitches)
{
struct mswitchstr *matches;
const char *q;
int cnt = 0;
for (q = multilib_matches; *q != '\0'; q++)
if (*q == ';')
cnt++;
matches = alloca ((sizeof (struct mswitchstr)) * cnt);
i = 0;
q = multilib_matches;
while (*q != '\0')
{
matches[i].str = q;
while (*q != ' ')
{
if (*q == '\0')
{
invalid_matches:
fatal ("multilib spec '%s' is invalid", multilib_matches);
}
q++;
}
matches[i].len = q - matches[i].str;
matches[i].replace = ++q;
while (*q != ';' && *q != '\0')
{
if (*q == ' ')
goto invalid_matches;
q++;
}
matches[i].rep_len = q - matches[i].replace;
i++;
if (*q == ';')
q++;
}
mswitches
= xmalloc (sizeof (struct mswitchstr)
* (n_mdswitches + (n_switches ? n_switches : 1)));
for (i = 0; i < n_switches; i++)
if (switches[i].live_cond != SWITCH_IGNORE)
{
int xlen = strlen (switches[i].part1);
for (j = 0; j < cnt; j++)
if (xlen == matches[j].len
&& ! strncmp (switches[i].part1, matches[j].str, xlen))
{
mswitches[n_mswitches].str = matches[j].replace;
mswitches[n_mswitches].len = matches[j].rep_len;
mswitches[n_mswitches].replace = (char *) 0;
mswitches[n_mswitches].rep_len = 0;
n_mswitches++;
break;
}
}
for (i = 0; i < n_mdswitches; i++)
{
const char *r;
for (q = multilib_options; *q != '\0'; q++)
{
while (*q == ' ')
q++;
r = q;
while (strncmp (q, mdswitches[i].str, mdswitches[i].len) != 0
|| strchr (" /", q[mdswitches[i].len]) == NULL)
{
while (*q != ' ' && *q != '/' && *q != '\0')
q++;
if (*q != '/')
break;
q++;
}
if (*q != ' ' && *q != '\0')
{
while (*r != ' ' && *r != '\0')
{
q = r;
while (*q != ' ' && *q != '/' && *q != '\0')
q++;
if (used_arg (r, q - r))
break;
if (*q != '/')
{
mswitches[n_mswitches].str = mdswitches[i].str;
mswitches[n_mswitches].len = mdswitches[i].len;
mswitches[n_mswitches].replace = (char *) 0;
mswitches[n_mswitches].rep_len = 0;
n_mswitches++;
break;
}
r = q + 1;
}
break;
}
}
}
}
for (i = 0; i < n_mswitches; i++)
if (len == mswitches[i].len && ! strncmp (p, mswitches[i].str, len))
return 1;
return 0;
}
static int
default_arg (const char *p, int len)
{
int i;
for (i = 0; i < n_mdswitches; i++)
if (len == mdswitches[i].len && ! strncmp (p, mdswitches[i].str, len))
return 1;
return 0;
}
static void
set_multilib_dir (void)
{
const char *p;
unsigned int this_path_len;
const char *this_path, *this_arg;
const char *start, *end;
int not_arg;
int ok, ndfltok, first;
n_mdswitches = 0;
start = multilib_defaults;
while (*start == ' ' || *start == '\t')
start++;
while (*start != '\0')
{
n_mdswitches++;
while (*start != ' ' && *start != '\t' && *start != '\0')
start++;
while (*start == ' ' || *start == '\t')
start++;
}
if (n_mdswitches)
{
int i = 0;
mdswitches = xmalloc (sizeof (struct mdswitchstr) * n_mdswitches);
for (start = multilib_defaults; *start != '\0'; start = end + 1)
{
while (*start == ' ' || *start == '\t')
start++;
if (*start == '\0')
break;
for (end = start + 1;
*end != ' ' && *end != '\t' && *end != '\0'; end++)
;
obstack_grow (&multilib_obstack, start, end - start);
obstack_1grow (&multilib_obstack, 0);
mdswitches[i].str = obstack_finish (&multilib_obstack);
mdswitches[i++].len = end - start;
if (*end == '\0')
break;
}
}
p = multilib_exclusions;
while (*p != '\0')
{
if (*p == '\n')
{
++p;
continue;
}
ok = 1;
while (*p != ';')
{
if (*p == '\0')
{
invalid_exclusions:
fatal ("multilib exclusions '%s' is invalid",
multilib_exclusions);
}
if (! ok)
{
++p;
continue;
}
this_arg = p;
while (*p != ' ' && *p != ';')
{
if (*p == '\0')
goto invalid_exclusions;
++p;
}
if (*this_arg != '!')
not_arg = 0;
else
{
not_arg = 1;
++this_arg;
}
ok = used_arg (this_arg, p - this_arg);
if (not_arg)
ok = ! ok;
if (*p == ' ')
++p;
}
if (ok)
return;
++p;
}
first = 1;
p = multilib_select;
while (*p != '\0')
{
if (*p == '\n')
{
++p;
continue;
}
this_path = p;
while (*p != ' ')
{
if (*p == '\0')
{
invalid_select:
fatal ("multilib select '%s' is invalid",
multilib_select);
}
++p;
}
this_path_len = p - this_path;
ok = 1;
ndfltok = 1;
++p;
while (*p != ';')
{
if (*p == '\0')
goto invalid_select;
if (! ok)
{
++p;
continue;
}
this_arg = p;
while (*p != ' ' && *p != ';')
{
if (*p == '\0')
goto invalid_select;
++p;
}
if (*this_arg != '!')
not_arg = 0;
else
{
not_arg = 1;
++this_arg;
}
ok = used_arg (this_arg, p - this_arg);
if (not_arg)
ok = ! ok;
if (! ok)
ndfltok = 0;
if (default_arg (this_arg, p - this_arg))
ok = 1;
if (*p == ' ')
++p;
}
if (ok && first)
{
if (this_path_len != 1
|| this_path[0] != '.')
{
char *new_multilib_dir = xmalloc (this_path_len + 1);
char *q;
strncpy (new_multilib_dir, this_path, this_path_len);
new_multilib_dir[this_path_len] = '\0';
q = strchr (new_multilib_dir, ':');
if (q != NULL)
*q = '\0';
multilib_dir = new_multilib_dir;
}
first = 0;
}
if (ndfltok)
{
const char *q = this_path, *end = this_path + this_path_len;
while (q < end && *q != ':')
q++;
if (q < end)
{
char *new_multilib_os_dir = xmalloc (end - q);
memcpy (new_multilib_os_dir, q + 1, end - q - 1);
new_multilib_os_dir[end - q - 1] = '\0';
multilib_os_dir = new_multilib_os_dir;
break;
}
}
++p;
}
if (multilib_dir == NULL && multilib_os_dir != NULL
&& strcmp (multilib_os_dir, ".") == 0)
{
free ((char *) multilib_os_dir);
multilib_os_dir = NULL;
}
else if (multilib_dir != NULL && multilib_os_dir == NULL)
multilib_os_dir = multilib_dir;
}
static void
print_multilib_info (void)
{
const char *p = multilib_select;
const char *last_path = 0, *this_path;
int skip;
unsigned int last_path_len = 0;
while (*p != '\0')
{
skip = 0;
if (*p == '\n')
{
++p;
continue;
}
this_path = p;
while (*p != ' ')
{
if (*p == '\0')
{
invalid_select:
fatal ("multilib select '%s' is invalid", multilib_select);
}
++p;
}
if (this_path[0] == '.' && this_path[1] == ':')
skip = 1;
{
const char *e = multilib_exclusions;
const char *this_arg;
while (*e != '\0')
{
int m = 1;
if (*e == '\n')
{
++e;
continue;
}
while (*e != ';')
{
const char *q;
int mp = 0;
if (*e == '\0')
{
invalid_exclusion:
fatal ("multilib exclusion '%s' is invalid",
multilib_exclusions);
}
if (! m)
{
++e;
continue;
}
this_arg = e;
while (*e != ' ' && *e != ';')
{
if (*e == '\0')
goto invalid_exclusion;
++e;
}
q = p + 1;
while (*q != ';')
{
const char *arg;
int len = e - this_arg;
if (*q == '\0')
goto invalid_select;
arg = q;
while (*q != ' ' && *q != ';')
{
if (*q == '\0')
goto invalid_select;
++q;
}
if (! strncmp (arg, this_arg,
(len < q - arg) ? q - arg : len)
|| default_arg (this_arg, e - this_arg))
{
mp = 1;
break;
}
if (*q == ' ')
++q;
}
if (! mp)
m = 0;
if (*e == ' ')
++e;
}
if (m)
{
skip = 1;
break;
}
if (*e != '\0')
++e;
}
}
if (! skip)
{
skip = (last_path != 0
&& (unsigned int) (p - this_path) == last_path_len
&& ! strncmp (last_path, this_path, last_path_len));
last_path = this_path;
last_path_len = p - this_path;
}
if (! skip)
{
const char *q;
q = p + 1;
while (*q != ';')
{
const char *arg;
if (*q == '\0')
goto invalid_select;
if (*q == '!')
arg = NULL;
else
arg = q;
while (*q != ' ' && *q != ';')
{
if (*q == '\0')
goto invalid_select;
++q;
}
if (arg != NULL
&& default_arg (arg, q - arg))
{
skip = 1;
break;
}
if (*q == ' ')
++q;
}
}
if (! skip)
{
const char *p1;
for (p1 = last_path; p1 < p && *p1 != ':'; p1++)
putchar (*p1);
putchar (';');
}
++p;
while (*p != ';')
{
int use_arg;
if (*p == '\0')
goto invalid_select;
if (skip)
{
++p;
continue;
}
use_arg = *p != '!';
if (use_arg)
putchar ('@');
while (*p != ' ' && *p != ';')
{
if (*p == '\0')
goto invalid_select;
if (use_arg)
putchar (*p);
++p;
}
if (*p == ' ')
++p;
}
if (! skip)
{
if (multilib_extra && *multilib_extra)
{
int print_at = TRUE;
const char *q;
for (q = multilib_extra; *q != '\0'; q++)
{
if (*q == ' ')
print_at = TRUE;
else
{
if (print_at)
putchar ('@');
putchar (*q);
print_at = FALSE;
}
}
}
putchar ('\n');
}
++p;
}
}
static const char *
if_exists_spec_function (int argc, const char **argv)
{
if (argc == 1 && IS_ABSOLUTE_PATH (argv[0]) && ! access (argv[0], R_OK))
return argv[0];
return NULL;
}
static const char *
if_exists_else_spec_function (int argc, const char **argv)
{
if (argc != 2)
return NULL;
if (IS_ABSOLUTE_PATH (argv[0]) && ! access (argv[0], R_OK))
return argv[0];
return argv[1];
}
static const char *
replace_outfile_spec_function (int argc, const char **argv)
{
int i;
if (argc != 2)
abort ();
for (i = 0; i < n_infiles; i++)
{
if (outfiles[i] && !strcmp (outfiles[i], argv[0]))
outfiles[i] = xstrdup (argv[1]);
}
return NULL;
}
static int
compare_version_strings (const char *v1, const char *v2)
{
int rresult;
regex_t r;
if (regcomp (&r, "^([1-9][0-9]*|0)(\\.([1-9][0-9]*|0))*$",
REG_EXTENDED | REG_NOSUB) != 0)
abort ();
rresult = regexec (&r, v1, 0, NULL, 0);
if (rresult == REG_NOMATCH)
fatal ("invalid version number `%s'", v1);
else if (rresult != 0)
abort ();
rresult = regexec (&r, v2, 0, NULL, 0);
if (rresult == REG_NOMATCH)
fatal ("invalid version number `%s'", v2);
else if (rresult != 0)
abort ();
return strverscmp (v1, v2);
}
static const char *
version_compare_spec_function (int argc, const char **argv)
{
int comp1, comp2;
size_t switch_len;
const char *switch_value = NULL;
int nargs = 1, i;
bool result;
if (argc < 3)
abort ();
if (argv[0][0] == '\0')
abort ();
if ((argv[0][1] == '<' || argv[0][1] == '>') && argv[0][0] != '!')
nargs = 2;
if (argc != nargs + 3)
abort ();
switch_len = strlen (argv[nargs + 1]);
for (i = 0; i < n_switches; i++)
if (!strncmp (switches[i].part1, argv[nargs + 1], switch_len)
&& check_live_switch (i, switch_len))
switch_value = switches[i].part1 + switch_len;
if (switch_value == NULL)
comp1 = comp2 = -1;
else
{
comp1 = compare_version_strings (switch_value, argv[1]);
if (nargs == 2)
comp2 = compare_version_strings (switch_value, argv[2]);
else
comp2 = -1;
}
switch (argv[0][0] << 8 | argv[0][1])
{
case '>' << 8 | '=':
result = comp1 >= 0;
break;
case '!' << 8 | '<':
result = comp1 >= 0 || switch_value == NULL;
break;
case '<' << 8:
result = comp1 < 0;
break;
case '!' << 8 | '>':
result = comp1 < 0 || switch_value == NULL;
break;
case '>' << 8 | '<':
result = comp1 >= 0 && comp2 < 0;
break;
case '<' << 8 | '>':
result = comp1 < 0 || comp2 >= 0;
break;
default:
abort ();
}
if (! result)
return NULL;
{
const char *p = argv[nargs + 2];
char *q, *b;
while (*p)
{
if (*p == ' ' || *p == '\t' || *p == '\n' || *p == '%' || *p == '\\')
break;
++p;
}
if (*p == 0)
return argv[nargs + 2];
q = b = xmalloc (strlen (p)*2 + 1);
p = argv[nargs + 2];
while (*p)
{
if (*p == ' ' || *p == '\t' || *p == '\n' || *p == '%' || *p == '\\')
*q++ = '\\';
*q++ = *p++;
}
*q = *p;
return b;
}
}
static const char *
add_sysroot_spec_function (int argc, const char **argv)
{
if (argc != 1)
abort();
if (target_system_root != 0)
{
char *result;
result = xmalloc (strlen (argv[0]) + 1
+ strlen (target_system_root) + 1);
sprintf (result, "%s %s", argv[0], target_system_root);
return result;
}
return "";
}