esac
AC_SUBST(CFLAGS)
+# Determine PICFLAG for target gnatlib.
+GCC_PICFLAG_FOR_TARGET
+AC_SUBST(PICFLAG_FOR_TARGET)
+
# -------------------------
# Check C compiler features
# -------------------------
# * 'long long'
# * variadic macros
# * overlong strings
+# * C++11 narrowing conversions in { }
# So, we only use -pedantic if we can disable those warnings.
ACX_PROG_CC_WARNING_OPTS(
- m4_quote(m4_do([-W -Wall -Wwrite-strings -Wcast-qual])), [loose_warn])
+ m4_quote(m4_do([-W -Wall -Wno-narrowing -Wwrite-strings -Wcast-qual])), [loose_warn])
ACX_PROG_CC_WARNING_OPTS(
m4_quote(m4_do([-Wstrict-prototypes -Wmissing-prototypes])),
[c_loose_warn])
AC_SUBST(warn_cflags)
AC_SUBST(warn_cxxflags)
+# Disable exceptions and RTTI if building with g++
+ACX_PROG_CC_WARNING_OPTS(
+ m4_quote(m4_do([-fno-exceptions -fno-rtti])), [noexception_flags])
+
# Enable expensive internal checks
is_release=
if test x"`cat $srcdir/DEV-PHASE`" != xexperimental; then
], [enable_shared=yes])
AC_SUBST(enable_shared)
+AC_ARG_WITH([native-system-header-dir],
+ [ --with-native-system-header-dir=dir
+ use dir as the directory to look for standard
+ system header files in. Defaults to /usr/include.],
+[
+ case ${with_native_system_header_dir} in
+ yes|no) AC_MSG_ERROR([bad value ${withval} given for --with-native-system-header-dir]) ;;
+ /* | [[A-Za-z]]:[[\\/]]*) ;;
+ *) AC_MSG_ERROR([--with-native-system-header-dir argument ${withval} must be an absolute directory]) ;;
+ esac
+ configured_native_system_header_dir="${withval}"
+], [configured_native_system_header_dir=])
+
AC_ARG_WITH(build-sysroot,
[AS_HELP_STRING([--with-build-sysroot=sysroot],
- [use sysroot as the system root during the build])])
+ [use sysroot as the system root during the build])],
+ [if test x"$withval" != x ; then
+ SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval"
+ fi],
+ [SYSROOT_CFLAGS_FOR_TARGET=])
+AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET)
AC_ARG_WITH(sysroot,
[AS_HELP_STRING([[--with-sysroot[=DIR]]],
gcc_AC_PROG_LN_S
ACX_PROG_LN($LN_S)
AC_PROG_RANLIB
-case "${host}" in
-*-*-darwin*)
- # By default, the Darwin ranlib will not treat common symbols as
- # definitions when building the archive table of contents. Other
- # ranlibs do that; pass an option to the Darwin ranlib that makes
- # it behave similarly.
- ranlib_flags="-c"
- ;;
-*)
- ranlib_flags=""
-esac
+ranlib_flags=""
AC_SUBST(ranlib_flags)
gcc_AC_PROG_INSTALL
AC_CHECK_FUNCS(times clock kill getrlimit setrlimit atoll atoq \
sysconf strsignal getrusage nl_langinfo \
gettimeofday mbstowcs wcswidth mmap setlocale \
- gcc_UNLOCKED_FUNCS)
+ gcc_UNLOCKED_FUNCS madvise)
if test x$ac_cv_func_mbstowcs = xyes; then
AC_CACHE_CHECK(whether mbstowcs works, gcc_cv_func_mbstowcs_works,
# We will need to find libiberty.h and ansidecl.h
saved_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS -I${srcdir} -I${srcdir}/../include"
+saved_CXXFLAGS="$CXXFLAGS"
+CXXFLAGS="$CXXFLAGS -I${srcdir} -I${srcdir}/../include"
gcc_AC_CHECK_DECLS(getenv atol asprintf sbrk abort atof getcwd getwd \
- strsignal strstr strverscmp \
+ strsignal strstr stpcpy strverscmp \
errno snprintf vsnprintf vasprintf malloc realloc calloc \
free basename getopt clock getpagesize gcc_UNLOCKED_FUNCS, , ,[
#include "ansidecl.h"
#include <signal.h>
])
+# g++ on Solaris 10+ defines _XOPEN_SOURCE=600, which hides the madvise()
+# prototype.
+AS_IF([test "$ENABLE_BUILD_WITH_CXX" = "yes"],
+ [AC_LANG_PUSH([C++])
+ gcc_AC_CHECK_DECLS(madvise, , ,[
+ #include "ansidecl.h"
+ #include "system.h"
+ ])
+ AC_LANG_POP([C++])],
+ [gcc_AC_CHECK_DECLS(madvise, , ,[
+ #include "ansidecl.h"
+ #include "system.h"
+ ])
+])
+
# More time-related stuff.
AC_CACHE_CHECK(for struct tms, ac_cv_struct_tms, [
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
[Define if <time.h> defines clock_t.])
fi
-# Restore CFLAGS from before the gcc_AC_NEED_DECLARATIONS tests.
+# Restore CFLAGS, CXXFLAGS from before the gcc_AC_NEED_DECLARATIONS tests.
CFLAGS="$saved_CFLAGS"
+CXXFLAGS="$saved_CXXFLAGS"
gcc_AC_INITFINI_ARRAY
fi
fi
+if test -n "$configured_native_system_header_dir"; then
+ native_system_header_dir=$configured_native_system_header_dir
+fi
+NATIVE_SYSTEM_HEADER_DIR="$native_system_header_dir"
+AC_SUBST(NATIVE_SYSTEM_HEADER_DIR)
+
case ${host} in
powerpc*-*-darwin*)
AC_CACHE_CHECK([whether mcontext_t fields have underscores],
thread_file=${target_thread_file}
fi
-# Make gthr-default.h if we have a thread file.
-gthread_flags=
-if test $thread_file != single; then
- echo "#include \"gthr-${thread_file}.h\"" > gthr-default.h-t
- if diff gthr-default.h-t gthr-default.h 2>/dev/null; then
- rm -f gthr-default.h-t
- else
- mv -f gthr-default.h-t gthr-default.h
- fi
- gthread_flags=-DHAVE_GTHR_DEFAULT
-fi
-AC_SUBST(gthread_flags)
-
# --------
# UNSORTED
# --------
esac
done
-libgcc_tm_file_list=
-libgcc_tm_include_list=
-for f in $libgcc_tm_file; do
- libgcc_tm_file_list="${libgcc_tm_file_list} \$(srcdir)/../libgcc/config/$f"
- libgcc_tm_include_list="${libgcc_tm_include_list} ../libgcc/config/$f"
-done
-
tm_p_file_list=
tm_p_include_list=
for f in $tm_p_file; do
gcc_cv_ld_static_option="-noso"
gcc_cv_ld_dynamic_option="-so_archive"
;;
+ # HP-UX ld uses -a flags to select between shared and archive.
+ *-*-hpux*)
+ if test x"$gnu_ld" = xno; then
+ gcc_cv_ld_static_dynamic=yes
+ gcc_cv_ld_static_option="-aarchive_shared"
+ gcc_cv_ld_dynamic_option="-adefault"
+ fi
+ ;;
# IRIX 6 ld supports -Bstatic/-Bdynamic.
mips-sgi-irix6*)
gcc_cv_ld_static_dynamic=yes
fi],
[AC_DEFINE(HAVE_AS_OFFSETABLE_LO10, 1,
[Define if your assembler supports offsetable %lo().])])
+
+ gcc_GAS_CHECK_FEATURE([FMAF, HPC, and VIS 3.0 instructions],
+ gcc_cv_as_sparc_fmaf,,
+ [-xarch=v9d],
+ [.text
+ .register %g2, #scratch
+ .register %g3, #scratch
+ .align 4
+ fmaddd %f0, %f2, %f4, %f6
+ addxccc %g1, %g2, %g3
+ fsrl32 %f2, %f4, %f8
+ fnaddd %f10, %f12, %f14],,
+ [AC_DEFINE(HAVE_AS_FMAF_HPC_VIS3, 1,
+ [Define if your assembler supports FMAF, HPC, and VIS 3.0 instructions.])])
;;
changequote(,)dnl
;;
esac
fi
+ # Test if the assembler supports the section flag 'e' for specifying
+ # an excluded section.
+ gcc_GAS_CHECK_FEATURE([.section with e], gcc_cv_as_section_has_e,
+ [2,22,51],,
+[.section foo1,"e"
+.byte 0,0,0,0])
+ AC_DEFINE_UNQUOTED(HAVE_GAS_SECTION_EXCLUDE,
+ [`if test $gcc_cv_as_section_has_e = yes; then echo 1; else echo 0; fi`],
+ [Define if your assembler supports specifying the section flag e.])
;;
esac
elif test "x$with_sysroot" = x; then
target_header_dir="${exec_prefix}/${target_noncanonical}/sys-include"
elif test "x$with_build_sysroot" != "x"; then
- target_header_dir="${with_build_sysroot}/usr/include"
+ target_header_dir="${with_build_sysroot}${native_system_header_dir}"
elif test "x$with_sysroot" = xyes; then
- target_header_dir="${exec_prefix}/${target_noncanonical}/sys-root/usr/include"
+ target_header_dir="${exec_prefix}/${target_noncanonical}/sys-root${native_system_header_dir}"
else
- target_header_dir="${with_sysroot}/usr/include"
+ target_header_dir="${with_sysroot}${native_system_header_dir}"
fi
else
- target_header_dir=/usr/include
+ target_header_dir=${native_system_header_dir}
fi
# Test for stack protector support in target C library.
AC_MSG_CHECKING(sys/sdt.h in the target C library)
have_sys_sdt_h=no
if test -f $target_header_dir/sys/sdt.h; then
+ have_sys_sdt_h=yes
AC_DEFINE(HAVE_SYS_SDT_H, 1,
[Define if your target C library provides sys/sdt.h])
fi
[specify that runtime libraries should be
installed in a compiler-specific directory])])
-AC_ARG_WITH(slibdir,
-[AS_HELP_STRING([--with-slibdir=DIR], [shared libraries in DIR @<:@LIBDIR@:>@])],
-slibdir="$with_slibdir",
-if test "${enable_version_specific_runtime_libs+set}" = set; then
- slibdir='$(libsubdir)'
-elif test "$host" != "$target"; then
- slibdir='$(build_tooldir)/lib'
-else
- slibdir='$(libdir)'
-fi)
-AC_SUBST(slibdir)
-
# Substitute configuration variables
AC_SUBST(subdirs)
AC_SUBST(srcdir)
AC_SUBST(user_headers_inc_next_post)
AC_SUBST(extra_headers_list)
AC_SUBST(extra_objs)
-AC_SUBST(extra_parts)
AC_SUBST(extra_passes)
AC_SUBST(extra_programs)
AC_SUBST(float_h_file)
AC_SUBST(out_object_file)
AC_SUBST(common_out_file)
AC_SUBST(common_out_object_file)
-AC_SUBST(thread_file)
AC_SUBST(tm_file_list)
AC_SUBST(tm_include_list)
AC_SUBST(tm_defines)
-AC_SUBST(libgcc_tm_file_list)
-AC_SUBST(libgcc_tm_include_list)
AC_SUBST(tm_p_file_list)
AC_SUBST(tm_p_include_list)
AC_SUBST(xm_file_list)
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