AC_DEFUN([AC_C_BACKSLASH_A],
[
AC_CACHE_CHECK([whether backslash-a works in strings], ac_cv_c_backslash_a,
[AC_TRY_COMPILE([],
[
syntax error;
char buf['\a' == 'a' ? -1 : 1];
buf[0] = '\a';
return buf[0] != "\a"[0];
],
ac_cv_c_backslash_a=yes,
ac_cv_c_backslash_a=no)])
if test $ac_cv_c_backslash_a = yes; then
AC_DEFINE(HAVE_C_BACKSLASH_A, 1,
[Define if backslash-a works in C strings.])
fi
])
AC_DEFUN([jm_CHECK_TYPE_STRUCT_DIRENT_D_INO],
[AC_REQUIRE([AC_HEADER_DIRENT]) AC_CACHE_CHECK([for d_ino member in directory struct],
jm_cv_struct_dirent_d_ino,
[AC_TRY_LINK( [
],
[struct dirent dp; dp.d_ino = 0;],
jm_cv_struct_dirent_d_ino=yes,
jm_cv_struct_dirent_d_ino=no)
]
)
if test $jm_cv_struct_dirent_d_ino = yes; then
AC_DEFINE(D_INO_IN_DIRENT, 1,
[Define if there is a member named d_ino in the struct describing
directory headers.])
fi
]
)
AC_DEFUN([jm_PREREQ_ERROR],
[
AC_CHECK_FUNCS(strerror vprintf doprnt)
AC_CHECK_DECLS([strerror])
AC_FUNC_STRERROR_R
AC_HEADER_STDC
])
AC_DEFUN([jm_FUNC_GLIBC_UNLOCKED_IO],
[AC_CHECK_DECLS(
[clearerr_unlocked, feof_unlocked, ferror_unlocked,
fflush_unlocked, fgets_unlocked, fputc_unlocked, fputs_unlocked,
fread_unlocked, fwrite_unlocked, getc_unlocked,
getchar_unlocked, putc_unlocked, putchar_unlocked])])
AC_DEFUN([jm_FUNC_MALLOC],
[
AC_DEFINE(HAVE_DONE_WORKING_MALLOC_CHECK, 1,
[Define if the malloc check has been performed. ])
AC_CACHE_CHECK([whether malloc(0) returns a non-NULL pointer],
jm_cv_func_working_malloc,
[AC_TRY_RUN([
char *malloc ();
int
main ()
{
exit (malloc (0) ? 0 : 1);
}
],
jm_cv_func_working_malloc=yes,
jm_cv_func_working_malloc=no,
jm_cv_func_working_malloc=no)
])
if test $jm_cv_func_working_malloc = no; then
AC_LIBOBJ(malloc)
AC_DEFINE(malloc, rpl_malloc,
[Define to rpl_malloc if the replacement function should be used.])
fi
])
AC_DEFUN([AC_MBSTATE_T],
[
AC_CHECK_HEADERS(stdlib.h)
AC_CACHE_CHECK([for mbstate_t], ac_cv_type_mbstate_t,
[AC_TRY_COMPILE([
[mbstate_t x; return sizeof x;],
ac_cv_type_mbstate_t=yes,
ac_cv_type_mbstate_t=no)])
if test $ac_cv_type_mbstate_t = yes; then
AC_DEFINE(HAVE_MBSTATE_T, 1,ma
[Define to 1 if <wchar.h> declares mbstate_t.])
else
AC_DEFINE(mbstate_t, int,
[Define to a type if <wchar.h> does not define.])
fi])
AC_DEFUN([PATCH_FUNC_MKDIR_TAKES_ONE_ARG],
[AC_CHECK_FUNCS(mkdir)
AC_CACHE_CHECK([whether mkdir takes only one argument],
patch_cv_mkdir_takes_one_arg,
[patch_cv_mkdir_takes_one_arg=no
if test $ac_cv_func_mkdir = yes; then
AC_TRY_COMPILE([
],
[mkdir (".", 0);],
,
[AC_TRY_COMPILE([
],
[mkdir (".");],
patch_cv_mkdir_takes_one_arg=yes
)]
)
fi
]
)
if test $patch_cv_mkdir_takes_one_arg = yes; then
AC_DEFINE([MKDIR_TAKES_ONE_ARG], 1,
[Define if mkdir takes only one argument.])
fi
]
)
AC_DEFUN([jm_FUNC_MBRTOWC],
[
AC_CACHE_CHECK([whether mbrtowc and mbstate_t are properly declared],
jm_cv_func_mbrtowc,
[AC_TRY_LINK(
[ [mbstate_t state; return ! (sizeof state && mbrtowc);],
jm_cv_func_mbrtowc=yes,
jm_cv_func_mbrtowc=no)])
if test $jm_cv_func_mbrtowc = yes; then
AC_DEFINE(HAVE_MBRTOWC, 1,
[Define to 1 if mbrtowc and mbstate_t are properly declared.])
fi
])
AC_DEFUN([jm_PREREQ],
[
jm_PREREQ_ADDEXT
jm_PREREQ_CANON_HOST
jm_PREREQ_DIRNAME
jm_PREREQ_ERROR
jm_PREREQ_EXCLUDE
jm_PREREQ_GETPAGESIZE
jm_PREREQ_HARD_LOCALE
jm_PREREQ_HASH
jm_PREREQ_HUMAN
jm_PREREQ_MBSWIDTH
jm_PREREQ_MEMCHR
jm_PREREQ_PHYSMEM
jm_PREREQ_POSIXVER
jm_PREREQ_QUOTEARG
jm_PREREQ_READUTMP
jm_PREREQ_REGEX
jm_PREREQ_TEMPNAME jm_PREREQ_XGETCWD
jm_PREREQ_XREADLINK
])
AC_DEFUN([jm_PREREQ_ADDEXT],
[
AC_SYS_LONG_FILE_NAMES
AC_CHECK_FUNCS(pathconf)
AC_CHECK_HEADERS(limits.h string.h unistd.h)
])
AC_DEFUN([jm_PREREQ_CANON_HOST],
[
AC_SEARCH_LIBS(gethostbyname, [inet nsl])
AC_CHECK_FUNCS(gethostbyname gethostbyaddr inet_ntoa)
AC_CHECK_FUNCS(gethostbyname gethostbyaddr inet_ntoa)
AC_CHECK_HEADERS(unistd.h string.h netdb.h sys/socket.h \
netinet/in.h arpa/inet.h)
])
AC_DEFUN([jm_PREREQ_DIRNAME],
[
AC_HEADER_STDC
AC_CHECK_HEADERS(string.h)
])
AC_DEFUN([jm_PREREQ_EXCLUDE],
[
AC_FUNC_FNMATCH_GNU([lib])
AC_HEADER_STDBOOL
])
AC_DEFUN([jm_PREREQ_GETPAGESIZE],
[
AC_CHECK_FUNCS(getpagesize)
AC_CHECK_HEADERS(OS.h unistd.h)
])
AC_DEFUN([jm_PREREQ_HARD_LOCALE],
[
AC_C_PROTOTYPES
AC_CHECK_FUNCS(setlocale)
AC_CHECK_HEADERS(locale.h stdlib.h string.h)
])
AC_DEFUN([jm_PREREQ_HASH],
[
AC_CHECK_HEADERS(stdlib.h)
AC_HEADER_STDBOOL
AC_REQUIRE([jm_CHECK_DECLS])
])
AC_DEFUN([jm_PREREQ_HUMAN],
[
AC_CHECK_HEADERS(limits.h stdlib.h string.h)
AC_CHECK_DECLS([getenv])
AC_REQUIRE([jm_AC_TYPE_UINTMAX_T])
])
AC_DEFUN([jm_PREREQ_MEMCHR],
[
AC_CHECK_HEADERS(limits.h stdlib.h bp-sym.h)
])
AC_DEFUN([jm_PREREQ_PHYSMEM],
[
AC_CHECK_HEADERS(sys/pstat.h unistd.h)
AC_CHECK_FUNCS(pstat_getstatic pstat_getdynamic)
])
AC_DEFUN([jm_PREREQ_POSIXVER],
[
AC_CHECK_HEADERS(unistd.h)
AC_CHECK_DECLS([getenv])
])
AC_DEFUN([jm_PREREQ_QUOTEARG],
[
AC_CHECK_FUNCS(isascii iswprint)
jm_FUNC_MBRTOWC
AC_CHECK_HEADERS(limits.h stddef.h stdlib.h string.h wchar.h wctype.h)
AC_HEADER_STDC
AC_C_BACKSLASH_A
AC_MBSTATE_T
AC_C_PROTOTYPES
])
AC_DEFUN([jm_PREREQ_REGEX],
[
AC_CHECK_FUNCS(bzero bcopy isascii btowc)
AC_CHECK_HEADERS(alloca.h libintl.h wctype.h wchar.h)
AC_HEADER_STDC
AC_FUNC_ALLOCA
])
AC_DEFUN([jm_PREREQ_TEMPNAME],
[
AC_HEADER_STDC
AC_HEADER_STAT
AC_CHECK_HEADERS(fcntl.h sys/time.h stdint.h unistd.h)
AC_CHECK_FUNCS(__secure_getenv gettimeofday)
AC_CHECK_DECLS([getenv])
])
AC_DEFUN([jm_PREREQ_XGETCWD],
[
AC_C_PROTOTYPES
AC_CHECK_HEADERS(limits.h stdlib.h sys/param.h unistd.h)
AC_CHECK_FUNCS(getcwd)
AC_FUNC_GETCWD_NULL
])
AC_DEFUN([jm_PREREQ_XREADLINK],
[
AC_C_PROTOTYPES
AC_CHECK_HEADERS(limits.h stdlib.h sys/types.h unistd.h)
])
AC_DEFUN([jm_FUNC_REALLOC],
[
AC_DEFINE(HAVE_DONE_WORKING_REALLOC_CHECK, 1,
[Define if the realloc check has been performed. ])
AC_CACHE_CHECK([whether realloc(0,0) returns a non-NULL pointer],
jm_cv_func_working_realloc,
[AC_TRY_RUN([
char *realloc ();
int
main ()
{
exit (realloc (0, 0) ? 0 : 1);
}
],
jm_cv_func_working_realloc=yes,
jm_cv_func_working_realloc=no,
jm_cv_func_working_realloc=no)
])
if test $jm_cv_func_working_realloc = no; then
AC_LIBOBJ(realloc)
AC_DEFINE(realloc, rpl_realloc,
[Define to rpl_realloc if the replacement function should be used.])
fi
])
AC_DEFUN([AC_FUNC_SETMODE_DOS],
[AC_CHECK_HEADERS(fcntl.h unistd.h)
AC_CACHE_CHECK([for DOS-style setmode],
[ac_cv_func_setmode_dos],
[AC_TRY_LINK(
[ [int ret = setmode && setmode (1, O_BINARY);],
[ac_cv_func_setmode_dos=yes],
[ac_cv_func_setmode_dos=no])])
if test $ac_cv_func_setmode_dos = yes; then
AC_DEFINE(HAVE_SETMODE_DOS, 1,
[Define to 1 if you have the DOS-style `setmode' function.])
fi])
AC_DEFUN([jm_CHECK_TYPE_STRUCT_UTIMBUF],
[
AC_CHECK_HEADERS(utime.h)
AC_REQUIRE([AC_HEADER_TIME])
AC_CACHE_CHECK([for struct utimbuf], fu_cv_sys_struct_utimbuf,
[AC_TRY_COMPILE(
[
],
[static struct utimbuf x; x.actime = x.modtime;],
fu_cv_sys_struct_utimbuf=yes,
fu_cv_sys_struct_utimbuf=no)
])
if test $fu_cv_sys_struct_utimbuf = yes; then
AC_DEFINE(HAVE_STRUCT_UTIMBUF, 1,
[Define if struct utimbuf is declared -- usually in <utime.h>.
Some systems have utime.h but don't declare the struct anywhere. ])
fi
])