# Find the native compiler
AC_PROG_CC
-AC_PROG_CC_C_O
+AM_PROG_CC_C_O
# autoconf is lame and doesn't give us any substitution variable for this.
if eval "test \"`echo '$ac_cv_prog_cc_'${ac_cc}_c_o`\" = no"; then
NO_MINUS_C_MINUS_O=yes
gcc_AC_C_LONG_LONG
# sizeof(char) is 1 by definition.
-AC_COMPILE_CHECK_SIZEOF(void *)
-AC_COMPILE_CHECK_SIZEOF(short)
-AC_COMPILE_CHECK_SIZEOF(int)
-AC_COMPILE_CHECK_SIZEOF(long)
+AC_CHECK_SIZEOF(void *)
+AC_CHECK_SIZEOF(short)
+AC_CHECK_SIZEOF(int)
+AC_CHECK_SIZEOF(long)
if test $ac_cv_c_long_long = yes; then
- AC_COMPILE_CHECK_SIZEOF(long long)
+ AC_CHECK_SIZEOF(long long)
fi
if test $ac_cv_c___int64 = yes; then
- AC_COMPILE_CHECK_SIZEOF(__int64)
+ AC_CHECK_SIZEOF(__int64)
fi
# ---------------------
[ --enable-checking[=LIST]
enable expensive run-time checks. With LIST,
enable only specific categories of checks.
- Categories are: none,assert,fold,gc,gcac,misc,
- rtlflag,rtl,tree,valgrind;
- default is assert,gc,misc,rtlflag,tree],
-[ac_checking=
+ Categories are: assert,fold,gc,gcac,misc,
+ rtlflag,rtl,tree,valgrind,release,yes,all;],
+[ac_checking_flags="${enableval}"],[
+# Determine the default checks.
+if test x$is_release = x ; then
+ ac_checking_flags=yes
+else
+ ac_checking_flags=release
+fi])
+ac_assert_checking=1
+ac_checking=
ac_tree_checking=
ac_rtl_checking=
ac_rtlflag_checking=
ac_gc_checking=
ac_gc_always_collect=
ac_fold_checking=
-ac_assert_checking=
-case "${enableval}" in
-yes) ac_checking=1 ; ac_tree_checking=1 ; ac_gc_checking=1 ;
- ac_rtlflag_checking=1 ; ac_assert_checking=1 ;;
-no) ;;
-*) IFS="${IFS= }"; ac_save_IFS="$IFS"; IFS="$IFS,"
- set fnord $enableval; shift
- IFS="$ac_save_IFS"
- ac_assert_checking=1
- for check
- do
- case $check in
- assert) ac_assert_checking=1 ;;
- fold) ac_fold_checking=1 ;;
- gc) ac_gc_checking=1 ;;
- gcac) ac_gc_always_collect=1 ;;
- misc) ac_checking=1 ;;
- rtlflag) ac_rtlflag_checking=1 ;;
- rtl) ac_rtl_checking=1 ;;
- tree) ac_tree_checking=1 ;;
- valgrind) ac_checking_valgrind=1 ;;
- *) AC_MSG_ERROR(unknown check category $check) ;;
- esac
- done
- ;;
-esac
-], [
-# Determine the default checks.
-if test x$is_release = x ; then
- # Enable some checks for development versions of GCC
- ac_assert_checking=1;
- ac_checking=1; ac_tree_checking=1; ac_gc_checking=1; ac_rtlflag_checking=1;
-else
- # Disable all but assertions for release versions of GCC.
- ac_assert_checking=1;
-fi])
+IFS="${IFS= }"; ac_save_IFS="$IFS"; IFS="$IFS,"
+for check in $ac_checking_flags
+do
+ case $check in
+ yes) ac_assert_checking=1 ; ac_checking=1 ;
+ ac_tree_checking=1 ; ac_gc_checking=1 ;
+ ac_rtlflag_checking=1 ;;
+ no) ac_assert_checking= ; ac_checking= ;
+ ac_tree_checking= ; ac_rtl_checking= ;
+ ac_rtlflag_checking= ; ac_gc_checking= ;
+ ac_gc_always_collect= ; ac_fold_checking= ;;
+ all) ac_assert_checking=1 ; ac_checking=1 ;
+ ac_tree_checking=1 ; ac_rtl_checking=1 ;
+ ac_rtlflag_checking=1 ; ac_gc_checking=1 ;
+ ac_gc_always_collect=1 ; ac_fold_checking=1 ;;
+ release) ac_assert_checking=1 ;;
+ assert) ac_assert_checking=1 ;;
+ fold) ac_fold_checking=1 ;;
+ gc) ac_gc_checking=1 ;;
+ gcac) ac_gc_always_collect=1 ;;
+ misc) ac_checking=1 ;;
+ rtlflag) ac_rtlflag_checking=1 ;;
+ rtl) ac_rtl_checking=1 ;;
+ tree) ac_tree_checking=1 ;;
+ valgrind) ac_checking_valgrind=1 ;;
+ *) AC_MSG_ERROR(unknown check category $check) ;;
+ esac
+done
+IFS="$ac_save_IFS"
+
nocommon_flag=""
if test x$ac_checking != x ; then
AC_DEFINE(ENABLE_CHECKING, 1,
AC_HEADER_TIME
ACX_HEADER_STRING
AC_HEADER_SYS_WAIT
-AC_CHECK_HEADERS(limits.h stddef.h string.h strings.h stdlib.h time.h \
+AC_CHECK_HEADERS(limits.h stddef.h string.h strings.h stdlib.h time.h iconv.h \
fcntl.h unistd.h sys/file.h sys/time.h sys/mman.h \
sys/resource.h sys/param.h sys/times.h sys/stat.h \
direct.h malloc.h langinfo.h ldfcn.h locale.h wchar.h)
AC_DEFINE_UNQUOTED(CONFIG_SJLJ_EXCEPTIONS, $sjlj,
[Define 0/1 to force the choice for exception handling model.])])
-if test x$host = x$target; then
- AC_CHECK_LIB(unwind, main, use_libunwind_default=yes, use_libunwind_default=no)
-else
- use_libunwind_default=no
-fi
-# Use libunwind based exception handling.
-AC_ARG_ENABLE(libunwind-exceptions,
-[ --enable-libunwind-exceptions force use libunwind for exceptions],
-use_libunwind_exceptions=$enableval,
-use_libunwind_exceptions=$use_libunwind_default)
-if test x"$use_libunwind_exceptions" = xyes; then
- AC_DEFINE(USE_LIBUNWIND_EXCEPTIONS, 1,
- [Define if gcc should use -lunwind.])
-fi
+# For platforms with the unwind ABI which includes an unwind library,
+# libunwind, we can choose to use the system libunwind.
+AC_ARG_WITH(system-libunwind,
+[ --with-system-libunwind use installed libunwind])
# --------------------------------------------------------
# Build, host, and target specific configuration fragments
[Define to 1 if HOST_WIDE_INT must be 64 bits wide (see hwint.h).])
fi
+if test x$use_long_long_for_widest_fast_int = xyes; then
+ AC_DEFINE(USE_LONG_LONG_FOR_WIDEST_FAST_INT, 1,
+[Define to 1 if the 'long long' (or '__int64') is wider than 'long' but still
+efficiently supported by the host hardware.])
+fi
+
count=a
for f in $host_xm_file; do
count=${count}x
if test x$host = x$build
then
build_auto=auto-host.h
- FORBUILD=..
else
# We create a subdir, then run autoconf in the subdir.
# To prevent recursion we set host and build for the new
cd ..
rm -rf $tempdir
build_auto=auto-build.h
- FORBUILD=../${build_subdir}
fi
-AC_SUBST(FORBUILD)
+AC_SUBST(build_subdir)
tm_file="${tm_file} defaults.h"
tm_p_file="${tm_p_file} tm-preds.h"
fi
fi
+# When bootstrapping from the toplevel, only run fixincludes during stage1
+if test -d ../prev-gcc
+then
+ STMP_FIXINC=
+ cp -R ../prev-gcc/include include
+fi
+
# Expand extra_headers to include complete path.
# This substitutes for lots of t-* files.
extra_headers_list=
in_tree_ld=yes
in_tree_ld_is_elf=no
if (grep 'EMUL = .*elf' ../ld/Makefile \
- || grep 'EMUL = .*linux' ../ld/Makefile) > /dev/null; then
+ || grep 'EMUL = .*linux' ../ld/Makefile \
+ || grep 'EMUL = .*lynx' ../ld/Makefile) > /dev/null; then
in_tree_ld_is_elf=yes
fi
for f in $gcc_cv_ld_bfd_srcdir/configure $gcc_cv_ld_gld_srcdir/configure $gcc_cv_ld_gld_srcdir/configure.in $gcc_cv_ld_gld_srcdir/Makefile.in
do
changequote(,)dnl
- gcc_cv_gld_version=`grep '^VERSION=[0-9]*\.[0-9]*' $f`
+ gcc_cv_gld_version=`sed -n -e 's/^[ ]*\(VERSION=[0-9]*\.[0-9]*.*\)/\1/p' < $f`
changequote([,])dnl
if test x$gcc_cv_gld_version != x; then
break
gcc_GAS_CHECK_FEATURE(section merging support, gcc_cv_as_shf_merge,
[elf,2,12,0], [--fatal-warnings],
[.section .rodata.str, "aMS", @progbits, 1])
+if test $gcc_cv_as_shf_merge = no; then
+ gcc_GAS_CHECK_FEATURE(section merging support, gcc_cv_as_shf_merge,
+ [elf,2,12,0], [--fatal-warnings],
+ [.section .rodata.str, "aMS", %progbits, 1])
+fi
AC_DEFINE_UNQUOTED(HAVE_GAS_SHF_MERGE,
[`if test $gcc_cv_as_shf_merge = yes; then echo 1; else echo 0; fi`],
[Define 0/1 if your assembler supports marking sections with SHF_MERGE flag.])
+gcc_GAS_CHECK_FEATURE(COMDAT group support, gcc_cv_as_comdat_group,
+ [elf,2,15,91], [--fatal-warnings],
+ [.section .text,"axG",@progbits,.foo,comdat])
+if test $gcc_cv_as_comdat_group = yes; then
+ gcc_cv_as_comdat_group_percent=no
+else
+ gcc_GAS_CHECK_FEATURE(COMDAT group support, gcc_cv_as_comdat_group_percent,
+ [elf,2,15,91], [--fatal-warnings],
+ [.section .text,"axG",%progbits,.foo,comdat])
+fi
+AC_DEFINE_UNQUOTED(HAVE_GAS_COMDAT_GROUP,
+ [`if test $gcc_cv_as_comdat_group = yes || test $gcc_cv_as_comdat_group_percent = yes; then echo 1; else echo 0; fi`],
+[Define 0/1 if your assembler supports COMDAT group.])
+
# Thread-local storage - the check is heavily parametrized.
conftest_s=
tls_first_major=
fi
AC_SUBST(MAINT)dnl
-AC_MSG_CHECKING([whether to use libbanshee for points-to alias analysis])
-AC_ARG_WITH(libbanshee,
-[ --with-libbanshee enable libbanshee],
-libbanshee="$with_libbanshee",
-libbanshee=no)
-
-if test x"$libbanshee" = xyes; then
- BANSHEELIB="../libbanshee/points-to/libandersen.a ../libbanshee/engine/libbansheeengine.a ../libbanshee/libcompat/libbansheecompat.a "
- BANSHEEINC="-I\$(srcdir)/../libbanshee/libcompat -I\$(srcdir)/../libbanshee -I\$(srcdir)/../libbanshee/points-to"
- ANDER="tree-alias-ander.o"
- AC_DEFINE(HAVE_BANSHEE, 1, [Define if BANSHEE is available])
-else
- BANSHEELIB=""
- BANSHEEINC=""
- ANDER=""
-fi
-AC_MSG_RESULT($with_libbanshee)
-
-AC_SUBST(ANDER)
-AC_SUBST(BANSHEEINC)
-AC_SUBST(BANSHEELIB)
-
# --------------
# Language hooks
# --------------
all_boot_languages=
all_compilers=
all_stagestuff=
-all_outputs='Makefile fixinc/Makefile gccbug mklibgcc mkheaders libada-mk'
+all_outputs='Makefile gccbug mklibgcc mkheaders libada-mk'
# List of language makefile fragments.
all_lang_makefrags=
# List of language subdirectory makefiles. Deprecated.
AC_SUBST_FILE(language_hooks)
-# If it doesn't already exist, create document directory
-echo "checking for the document directory." 1>&2
-if test -d doc ; then
- true
-else
- mkdir doc
-fi
+TL_AC_GNU_MAKE_GCC_LIB_PATH
# Echo link setup.
if test x${build} = x${host} ; then
echo > cstamp-h ;;
esac
# Make sure all the subdirs exist.
-for d in $subdirs
+for d in $subdirs doc build
do
test -d $d || mkdir $d
done
# This is virtually a duplicate of what happens in configure.lang; we do
# an extra check to make sure this only happens if ln -s can be used.
if test "$symbolic_link" = "ln -s"; then
- for d in ${subdirs} fixinc ; do
+ for d in ${subdirs} ; do
STARTDIR=`${PWDCMD-pwd}`
cd $d
for t in stage1 stage2 stage3 stage4 stageprofile stagefeedback include