AC_DEFUN([gcc_AC_CHECK_DECL],
[AC_MSG_CHECKING([whether $1 is declared])
AC_CACHE_VAL(gcc_cv_have_decl_$1,
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([$4],
[char *(*pfn) = (char *(*)) $1 ;
if eval "test \"`echo '$gcc_cv_have_decl_'$1`\" = yes"; then
AC_MSG_RESULT(yes) ; ifelse([$2], , :, [$2])
else
AC_MSG_RESULT(no) ; ifelse([$3], , :, [$3])
fi
])
AC_DEFUN([gcc_AC_CHECK_DECLS],
[AC_FOREACH([gcc_AC_Func], [$1],
[AH_TEMPLATE(AS_TR_CPP(HAVE_DECL_[]gcc_AC_Func),
[Define to 1 if we found a declaration for ']gcc_AC_Func[', otherwise
define to 0.])])for ac_func in $1
do
ac_tr_decl=AS_TR_CPP([HAVE_DECL_$ac_func])
gcc_AC_CHECK_DECL($ac_func,
[AC_DEFINE_UNQUOTED($ac_tr_decl, 1) $2],
[AC_DEFINE_UNQUOTED($ac_tr_decl, 0) $3],
$4
)
done
])
AC_DEFUN([gcc_AC_PROG_CMP_IGNORE_INITIAL],
[AC_CACHE_CHECK([for cmp's capabilities], gcc_cv_prog_cmp_skip,
[ echo abfoo >t1
echo cdfoo >t2
gcc_cv_prog_cmp_skip=slowcompare
if cmp --ignore-initial=2 t1 t2 > /dev/null 2>&1; then
if cmp --ignore-initial=1 t1 t2 > /dev/null 2>&1; then
:
else
gcc_cv_prog_cmp_skip=gnucompare
fi
fi
if test $gcc_cv_prog_cmp_skip = slowcompare ; then
if cmp t1 t2 2 2 > /dev/null 2>&1; then
if cmp t1 t2 1 1 > /dev/null 2>&1; then
:
else
gcc_cv_prog_cmp_skip=fastcompare
fi
fi
fi
rm t1 t2
])
make_compare_target=$gcc_cv_prog_cmp_skip
AC_SUBST(make_compare_target)
])
AC_DEFUN([gcc_AC_PROG_LN_S],
[AC_MSG_CHECKING(whether ln -s works)
AC_CACHE_VAL(gcc_cv_prog_LN_S,
[rm -f conftestdata_t
echo >conftestdata_f
if ln -s conftestdata_f conftestdata_t 2>/dev/null
then
gcc_cv_prog_LN_S="ln -s"
else
if ln conftestdata_f conftestdata_t 2>/dev/null
then
gcc_cv_prog_LN_S=ln
else
if cp -p conftestdata_f conftestdata_t 2>/dev/null
then
gcc_cv_prog_LN_S="cp -p"
else
gcc_cv_prog_LN_S=cp
fi
fi
fi
rm -f conftestdata_f conftestdata_t
])LN_S="$gcc_cv_prog_LN_S"
if test "$gcc_cv_prog_LN_S" = "ln -s"; then
AC_MSG_RESULT(yes)
else
if test "$gcc_cv_prog_LN_S" = "ln"; then
AC_MSG_RESULT([no, using ln])
else
AC_MSG_RESULT([no, and neither does ln, so using $gcc_cv_prog_LN_S])
fi
fi
AC_SUBST(LN_S)])
AC_DEFUN([gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG],
[AC_CACHE_CHECK([if mkdir takes one argument], gcc_cv_mkdir_takes_one_arg,
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([
gcc_cv_mkdir_takes_one_arg=no, gcc_cv_mkdir_takes_one_arg=yes)])
if test $gcc_cv_mkdir_takes_one_arg = yes ; then
AC_DEFINE(MKDIR_TAKES_ONE_ARG, 1, [Define if host mkdir takes a single argument.])
fi
])
AC_DEFUN([gcc_AC_PROG_INSTALL],
[AC_REQUIRE([AC_CONFIG_AUX_DIR_DEFAULT])AC_MSG_CHECKING(for a BSD compatible install)
if test -z "$INSTALL"; then
AC_CACHE_VAL(ac_cv_path_install,
[ IFS="${IFS= }"; ac_save_IFS="$IFS"; IFS="${IFS}:"
for ac_dir in $PATH; do
case "$ac_dir/" in
/|./|.//|/etc/*|/usr/sbin/*|/usr/etc/*|/sbin/*|/usr/afsws/bin/*|/usr/ucb/*) ;;
*)
for ac_prog in ginstall scoinst install; do
if test -f $ac_dir/$ac_prog; then
if test $ac_prog = install &&
grep dspmsg $ac_dir/$ac_prog >/dev/null 2>&1; then
:
else
ac_cv_path_install="$ac_dir/$ac_prog -c"
break 2
fi
fi
done
;;
esac
done
IFS="$ac_save_IFS"
]) if test "${ac_cv_path_install+set}" = set; then
INSTALL="$ac_cv_path_install"
else
INSTALL="$ac_install_sh"
fi
fi
AC_MSG_RESULT($INSTALL)
AC_SUBST(INSTALL)
test -z "$INSTALL_PROGRAM" && INSTALL_PROGRAM='${INSTALL}'
AC_SUBST(INSTALL_PROGRAM)
test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644'
AC_SUBST(INSTALL_DATA)])
AC_DEFUN([gcc_AC_FUNC_MMAP_BLACKLIST],
[
AC_CHECK_HEADER([sys/mman.h],
[gcc_header_sys_mman_h=yes], [gcc_header_sys_mman_h=no])
AC_CHECK_FUNC([mmap], [gcc_func_mmap=yes], [gcc_func_mmap=no])
if test "$gcc_header_sys_mman_h" != yes \
|| test "$gcc_func_mmap" != yes; then
gcc_cv_func_mmap_file=no
gcc_cv_func_mmap_dev_zero=no
gcc_cv_func_mmap_anon=no
else
AC_CACHE_CHECK([whether read-only mmap of a plain file works],
gcc_cv_func_mmap_file,
[ case "$host_os" in
vms* | ultrix*)
gcc_cv_func_mmap_file=no ;;
*)
gcc_cv_func_mmap_file=yes;;
esac])
AC_CACHE_CHECK([whether mmap from /dev/zero works],
gcc_cv_func_mmap_dev_zero,
[ case "$host_os" in
vms* | cygwin* | pe | mingw* | darwin* | ultrix* | hpux10* | hpux11.00)
gcc_cv_func_mmap_dev_zero=no ;;
*)
gcc_cv_func_mmap_dev_zero=yes;;
esac])
AC_CACHE_CHECK([for MAP_ANON(YMOUS)], gcc_cv_decl_map_anon,
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
[
],
[int n = MAP_ANONYMOUS;])],
gcc_cv_decl_map_anon=yes,
gcc_cv_decl_map_anon=no)])
if test $gcc_cv_decl_map_anon = no; then
gcc_cv_func_mmap_anon=no
else
AC_CACHE_CHECK([whether mmap with MAP_ANON(YMOUS) works],
gcc_cv_func_mmap_anon,
[ case "$host_os" in
vms* | cygwin* | pe | mingw* | sco* | udk* )
gcc_cv_func_mmap_anon=no ;;
*)
gcc_cv_func_mmap_anon=yes;;
esac])
fi
fi
if test $gcc_cv_func_mmap_file = yes; then
AC_DEFINE(HAVE_MMAP_FILE, 1,
[Define if read-only mmap of a plain file works.])
fi
if test $gcc_cv_func_mmap_dev_zero = yes; then
AC_DEFINE(HAVE_MMAP_DEV_ZERO, 1,
[Define if mmap of /dev/zero works.])
fi
if test $gcc_cv_func_mmap_anon = yes; then
AC_DEFINE(HAVE_MMAP_ANON, 1,
[Define if mmap with MAP_ANON(YMOUS) works.])
fi
])
AC_DEFUN([gcc_AC_CHECK_PROG_VER],
[AC_REQUIRE([gcc_AC_BUILD_EXEEXT])
AC_CHECK_PROG([$1], [$2], [$2])
if test -n "[$]$1"; then
AC_CACHE_CHECK(for modern $2, gcc_cv_prog_$2_modern,
[changequote(<<,>>) ac_prog_version=`<<$>>$1 $3 2>&1 |
sed -n 's/^.*patsubst(<<$4>>,/,\/).*$/\1/p'`
changequote([,]) echo "configure:__oline__: version of $2 is $ac_prog_version" >&AS_MESSAGE_LOG_FD
changequote(<<,>>) case $ac_prog_version in
'') gcc_cv_prog_$2_modern=no;;
<<$5>>)
gcc_cv_prog_$2_modern=yes;;
*) gcc_cv_prog_$2_modern=no;;
esac
changequote([,])])
else
gcc_cv_prog_$2_modern=no
fi
])
AC_DEFUN([gcc_AC_C_ENUM_BF_UNSIGNED],
[AC_CACHE_CHECK(for unsigned enumerated bitfields, gcc_cv_enum_bf_unsigned,
[AC_RUN_IFELSE([AC_LANG_SOURCE([enum t { BLAH = 128 } ;
struct s_t { enum t member : 8; } s ;
int main(void)
{
s.member = BLAH;
if (s.member < 0) exit(1);
exit(0);
}])], gcc_cv_enum_bf_unsigned=yes, gcc_cv_enum_bf_unsigned=no, gcc_cv_enum_bf_unsigned=yes)])
if test $gcc_cv_enum_bf_unsigned = yes; then
AC_DEFINE(ENUM_BITFIELDS_ARE_UNSIGNED, 1,
[Define if enumerated bitfields are treated as unsigned values.])
fi])
AC_DEFUN([gcc_AC_C_CHAR_BIT],
[AC_CACHE_CHECK(for CHAR_BIT, gcc_cv_decl_char_bit,
[AC_EGREP_CPP(found,
[found
])
if test $gcc_cv_decl_char_bit = no; then
AC_CACHE_CHECK(number of bits in a byte, gcc_cv_c_nbby,
[i=8
gcc_cv_c_nbby=
while test $i -lt 65; do
AC_COMPILE_IFELSE([AC_LANG_PROGRAM(,
[switch(0) {
case (unsigned char)((unsigned long)1 << $i) == ((unsigned long)1 << $i):
case (unsigned char)((unsigned long)1<<($i-1)) == ((unsigned long)1<<($i-1)):
; }])],
[gcc_cv_c_nbby=$i; break])
i=`expr $i + 1`
done
test -z "$gcc_cv_c_nbby" && gcc_cv_c_nbby=failed
])
if test $gcc_cv_c_nbby = failed; then
AC_MSG_ERROR(cannot determine number of bits in a byte)
else
AC_DEFINE_UNQUOTED(CHAR_BIT, $gcc_cv_c_nbby,
[Define as the number of bits in a byte, if \`limits.h' doesn't.])
fi
fi])
AC_DEFUN([gcc_AC_INITFINI_ARRAY],
[AC_ARG_ENABLE(initfini-array,
[ --enable-initfini-array use .init_array/.fini_array sections],
[], [
AC_CACHE_CHECK(for .preinit_array/.init_array/.fini_array support,
gcc_cv_initfini_array, [ AC_RUN_IFELSE([AC_LANG_SOURCE([
static int x = -1;
int main (void) { return x; }
int foo (void) { x = 0; }
int (*fp) (void) __attribute__ ((section (".init_array"))) = foo;])],
[gcc_cv_initfini_array=yes], [gcc_cv_initfini_array=no],
[gcc_cv_initfini_array=no])])
enable_initfini_array=$gcc_cv_initfini_array
])
if test $enable_initfini_array = yes; then
AC_DEFINE(HAVE_INITFINI_ARRAY, 1,
[Define .init_array/.fini_array sections are available and working.])
fi])
AC_DEFUN([_gcc_COMPUTE_GAS_VERSION],
[gcc_cv_as_bfd_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/bfd
for f in $gcc_cv_as_bfd_srcdir/configure \
$gcc_cv_as_gas_srcdir/configure \
$gcc_cv_as_gas_srcdir/configure.in \
$gcc_cv_as_gas_srcdir/Makefile.in ; do
gcc_cv_gas_version=`sed -n -e 's/^[[ ]]*\(VERSION=[[0-9]]*\.[[0-9]]*.*\)/\1/p' < $f`
if test x$gcc_cv_gas_version != x; then
break
fi
done
gcc_cv_gas_major_version=`expr "$gcc_cv_gas_version" : "VERSION=\([[0-9]]*\)"`
gcc_cv_gas_minor_version=`expr "$gcc_cv_gas_version" : "VERSION=[[0-9]]*\.\([[0-9]]*\)"`
gcc_cv_gas_patch_version=`expr "$gcc_cv_gas_version" : "VERSION=[[0-9]]*\.[[0-9]]*\.\([[0-9]]*\)"`
case $gcc_cv_gas_patch_version in
"") gcc_cv_gas_patch_version="0" ;;
esac
gcc_cv_gas_vers=`expr \( \( $gcc_cv_gas_major_version \* 1000 \) \
+ $gcc_cv_gas_minor_version \) \* 1000 \
+ $gcc_cv_gas_patch_version`
]) []
AC_DEFUN([_gcc_GAS_VERSION_GTE_IFELSE],
[ifelse([$1], elf,
[if test $in_tree_gas_is_elf = yes \
&&],
[if]) test $gcc_cv_gas_vers -ge `expr \( \( $2 \* 1000 \) + $3 \) \* 1000 + $4`
then ifelse([$5],,:,[$5])[]ifelse([$6],,,[
else $6])
fi])
AC_DEFUN([gcc_GAS_VERSION_GTE_IFELSE],
[AC_REQUIRE([_gcc_COMPUTE_GAS_VERSION])ifelse([$1], elf, [_gcc_GAS_VERSION_GTE_IFELSE($@)],
[_gcc_GAS_VERSION_GTE_IFELSE(,$@)])])
AC_DEFUN([gcc_GAS_CHECK_FEATURE],
[AC_CACHE_CHECK([assembler for $1], [$2],
[[$2]=no
ifelse([$3],,,[ if test $in_tree_gas = yes; then
gcc_GAS_VERSION_GTE_IFELSE($3, [[$2]=yes])
el])if test x$gcc_cv_as != x; then
echo ifelse(m4_substr([$5],0,1),[$], "[$5]", '[$5]') > conftest.s
if AC_TRY_COMMAND([$gcc_cv_as $4 -o conftest.o conftest.s >&AS_MESSAGE_LOG_FD])
then
ifelse([$6],, [$2]=yes, [$6])
else
echo "configure: failed program was" >&AS_MESSAGE_LOG_FD
cat conftest.s >&AS_MESSAGE_LOG_FD
fi
rm -f conftest.o conftest.s
fi])
ifelse([$7],,,[if test $[$2] = yes; then
$7
fi])])
m4_define([GCC_TARGET_TEMPLATE],
[m4_define([GCC_TARGET_TEMPLATE($1)],[])])
m4_define([AH_TEMPLATE],
[AH_VERBATIM([$1],m4_text_wrap([$2 */], [ ], [/* ])
m4_ifdef([GCC_TARGET_TEMPLATE($1)],[],[])[]))])
AC_DEFUN([gcc_AC_BUILD_EXEEXT], [
ac_executable_extensions="$build_exeext"])