AC_CONFIG_SRCDIR(tree.c)
AC_CONFIG_HEADER(auto-host.h:config.in)
+#Set to 1 on a release branch
+is_release=
+
# Determine the host, build, and target systems
AC_CANONICAL_BUILD
AC_CANONICAL_HOST
AC_SUBST(warn_cflags)
# Enable -Werror in bootstrap stage2 and later.
-# Change the default to "no" on release branches.
AC_ARG_ENABLE(werror,
[ --enable-werror enable -Werror in bootstrap stage2 and later], [],
-[enable_werror=yes])
+[if test x$is_release = x ; then
+ # Default to "yes" on development branches.
+ enable_werror=yes
+else
+ # Default to "no" on release branches.
+ enable_werror=no
+fi])
if test x$enable_werror = xyes ; then
WERROR=-Werror
fi
[ --enable-checking[=LIST]
enable expensive run-time checks. With LIST,
enable only specific categories of checks.
- Categories are: fold,gc,gcac,misc,rtlflag,rtl,
- tree,valgrind; default is 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=
-case "${enableval}" in
-yes) ac_checking=1 ; ac_tree_checking=1 ; ac_gc_checking=1 ;
- ac_rtlflag_checking=1 ;;
-no) ;;
-*) IFS="${IFS= }"; ac_save_IFS="$IFS"; IFS="$IFS,"
- set fnord $enableval; shift
- IFS="$ac_save_IFS"
- for check
- do
- case $check in
- 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 $check) ;;
- esac
- done
- ;;
-esac
-],
-# Enable some checks by default for development versions of GCC
-[ac_checking=1; ac_tree_checking=1; ac_gc_checking=1; ac_rtlflag_checking=1;])
+IFS="${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$ac_checking != x ; then
AC_DEFINE(ENABLE_CHECKING, 1,
nocommon_flag=-fno-common
fi
AC_SUBST(nocommon_flag)
+if test x$ac_assert_checking != x ; then
+ AC_DEFINE(ENABLE_ASSERT_CHECKING, 1,
+[Define if you want assertions enabled. This is a cheap check.])
+fi
if test x$ac_tree_checking != x ; then
AC_DEFINE(ENABLE_TREE_CHECKING, 1,
[Define if you want all operations on trees (the basic data
# Enable code coverage collection
AC_ARG_ENABLE(coverage,
[ --enable-coverage[=LEVEL]
- enable compiler\'s code coverage collection.
+ enable compiler's code coverage collection.
Use to measure compiler performance and locate
unused parts of the compiler. With LEVEL, specify
optimization. Values are opt, noopt,
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 $gcc_cv_ld_gld_srcdir/Makefile.in
[Define if your linker supports --as-needed and --no-as-needed options.])
fi
+case "$target" in
+ powerpc64*-*-linux*)
+ AC_CACHE_CHECK(linker support for omitting dot symbols,
+ gcc_cv_ld_no_dot_syms,
+ [gcc_cv_ld_no_dot_syms=no
+ if test $in_tree_ld = yes ; then
+ if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 16 -o "$gcc_cv_gld_major_version" -gt 2; then
+ gcc_cv_ld_no_dot_syms=yes
+ fi
+ elif test x$gcc_cv_as != x -a x$gcc_cv_ld != x ; then
+ cat > conftest1.s <<EOF
+ .text
+ bl .foo
+EOF
+ cat > conftest2.s <<EOF
+ .section ".opd","aw"
+ .align 3
+ .globl foo
+ .type foo,@function
+foo:
+ .quad .LEfoo,.TOC.@tocbase,0
+ .text
+.LEfoo:
+ blr
+ .size foo,.-.LEfoo
+EOF
+ if $gcc_cv_as -a64 -o conftest1.o conftest1.s > /dev/null 2>&1 \
+ && $gcc_cv_as -a64 -o conftest2.o conftest2.s > /dev/null 2>&1 \
+ && $gcc_cv_ld -melf64ppc -o conftest conftest1.o conftest2.o > /dev/null 2>&1; then
+ gcc_cv_ld_no_dot_syms=yes
+ fi
+ rm -f conftest conftest1.o conftest2.o conftest1.s conftest2.s
+ fi
+ ])
+ if test x"$gcc_cv_ld_no_dot_syms" = xyes; then
+ AC_DEFINE(HAVE_LD_NO_DOT_SYMS, 1,
+ [Define if your PowerPC64 linker only needs function descriptor syms.])
+ fi
+ ;;
+esac
+
if test x$with_sysroot = x && test x$host = x$target \
&& test "$prefix" != "/usr" && test "x$prefix" != "x$local_prefix" ; then
AC_DEFINE_UNQUOTED(PREFIX_INCLUDE_DIR, "$prefix/include",
fi
AC_SUBST(MAINT)dnl
-AC_MSG_CHECKING([whether to use libbanshee for points-to alias analysis])
-AC_ARG_WITH(libbanshee,
-[ --with-libbanshee enable libbanshee],
-libbanshee="$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.
# 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
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