# Process this file with autoconf to generate a configuration script.
# Copyright 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006,
-# 2007, 2008, 2009, 2010, 2011 Free Software Foundation, Inc.
+# 2007, 2008, 2009, 2010, 2011, 2012 Free Software Foundation, Inc.
#This file is part of GCC.
fi
fi
+gcc_gxx_include_dir_add_sysroot=0
+if test "${with_sysroot+set}" = set; then
+ gcc_gxx_without_sysroot=`expr "${gcc_gxx_include_dir}" : "${with_sysroot}"'\(.*\)'`
+ if test "${gcc_gxx_without_sysroot}"; then
+ gcc_gxx_include_dir="${gcc_gxx_without_sysroot}"
+ gcc_gxx_include_dir_add_sysroot=1
+ fi
+fi
+
AC_ARG_WITH(cpp_install_dir,
[AC_HELP_STRING([--with-cpp-install-dir=DIR],
[install the user visible C preprocessor in DIR
# * '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 $srcdir/DEV-PHASE`" != xexperimental; then
gcc_AC_PROG_LN_S
ACX_PROG_LN($LN_S)
AC_PROG_RANLIB
-case "${host}" in
-*-*-darwin*)
- # By default, the Darwin ranlib will not treat common symbols as
- # definitions when building the archive table of contents. Other
- # ranlibs do that; pass an option to the Darwin ranlib that makes
- # it behave similarly.
- ranlib_flags="-c"
- ;;
-*)
- ranlib_flags=""
-esac
+ranlib_flags=""
AC_SUBST(ranlib_flags)
gcc_AC_PROG_INSTALL
# We will need to find libiberty.h and ansidecl.h
saved_CFLAGS="$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="$saved_CFLAGS"
-
-gcc_AC_INITFINI_ARRAY
+CXXFLAGS="$saved_CXXFLAGS"
# mkdir takes a single argument on some systems.
gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG
then tmake_file=$cpu_type/t-$cpu_type
fi
+# Support --enable-initfini-array.
+if test x$enable_initfini_array != xno; then
+ tm_file="${tm_file} initfini-array.h"
+fi
+
if test x"$dwarf2" = xyes
then tm_file="$tm_file tm-dwarf2.h"
fi
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 $tm_p_file; do
fi
AC_MSG_RESULT($gcc_cv_ld_ro_rw_mix)
+gcc_AC_INITFINI_ARRAY
+
# Check if we have .[us]leb128, and support symbol arithmetic with it.
gcc_GAS_CHECK_FEATURE([.sleb128 and .uleb128], gcc_cv_as_leb128,
[elf,2,11,0],,
Cygwin DLL exports wrappers to support libstdc++ function replacement.])
esac
case $target_os in
- cygwin* | pe | mingw32*)
+ cygwin* | pe | mingw32* | interix*)
# Recent binutils allows the three-operand form of ".comm" on PE. This
# definition is used unconditionally to initialise the default state of
# the target option variable that governs usage of the feature.
gcc_GAS_CHECK_FEATURE([R_386_TLS_GD_PLT reloc],
gcc_cv_as_ix86_tlsgdplt,,,
- [call tls_gd@tlsgdplt],,
+ [call tls_gd@tlsgdplt],
+ [if test x$gcc_cv_ld != x \
+ && $gcc_cv_ld -o conftest conftest.o -G > /dev/null 2>&1; then
+ gcc_cv_as_ix86_tlsgdplt=yes
+ fi
+ rm -f conftest],
[AC_DEFINE(HAVE_AS_IX86_TLSGDPLT, 1,
- [Define if your assembler supports @tlsgdplt.])])
+ [Define if your assembler and linker support @tlsgdplt.])])
gcc_GAS_CHECK_FEATURE([R_386_TLS_LDM_PLT reloc],
gcc_cv_as_ix86_tlsldmplt,,,
- [call tls_ld@tlsldmplt],,
+ [call tls_ld@tlsldmplt],
+ [if test x$gcc_cv_ld != x \
+ && $gcc_cv_ld -o conftest conftest.o -G > /dev/null 2>&1; then
+ gcc_cv_as_ix86_tlsldmplt=yes
+ fi
+ rm -f conftest],
[AC_DEFINE(HAVE_AS_IX86_TLSLDMPLT, 1,
- [Define if your assembler supports @tlsldmplt.])])
+ [Define if your assembler and linker support @tlsldmplt.])])
;;
AC_MSG_CHECKING(dl_iterate_phdr in target C library)
gcc_cv_target_dl_iterate_phdr=unknown
case "$target" in
- *-*-solaris2*)
+ # Restrict to Solaris 11+. While most of the Solaris 11 linker changes
+ # were backported to Solaris 10 Update 10, dl_iterate_phdr only lives in
+ # libdl there, both complicating its use and breaking compatibility
+ # between Solaris 10 updates.
+ *-*-solaris2.1[[1-9]]*)
# <link.h> needs both a dl_iterate_phdr declaration and support for
# compilation with largefile support.
if grep dl_iterate_phdr $target_header_dir/link.h > /dev/null 2>&1 \
[specify that runtime libraries should be
installed in a compiler-specific directory])])
-AC_ARG_WITH(slibdir,
-[AS_HELP_STRING([--with-slibdir=DIR], [shared libraries in DIR @<:@LIBDIR@:>@])],
-slibdir="$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(gcc_config_arguments)
AC_SUBST(gcc_gxx_include_dir)
+AC_SUBST(gcc_gxx_include_dir_add_sysroot)
AC_SUBST(host_exeext)
AC_SUBST(host_xm_file_list)
AC_SUBST(host_xm_include_list)
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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