# configure.ac for GCC
# Process this file with autoconf to generate a configuration script.
-# Copyright 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007
-# Free Software Foundation, Inc.
+# Copyright 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006,
+# 2007, 2008 Free Software Foundation, Inc.
#This file is part of GCC.
#GCC is free software; you can redistribute it and/or modify it under
#the terms of the GNU General Public License as published by the Free
-#Software Foundation; either version 2, or (at your option) any later
+#Software Foundation; either version 3, or (at your option) any later
#version.
#GCC is distributed in the hope that it will be useful, but WITHOUT
#for more details.
#You should have received a copy of the GNU General Public License
-#along with GCC; see the file COPYING. If not, write to the Free
-#Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
-#02110-1301, USA.
+#along with GCC; see the file COPYING3. If not see
+#<http://www.gnu.org/licenses/>.
# --------------------------------
# Initialization and sanity checks
if test x$host != x$target; then
libstdcxx_incdir="$target_alias/$libstdcxx_incdir"
fi
-changequote(<<, >>)dnl
- gcc_gxx_include_dir="\$(libsubdir)/\$(unlibsubdir)/..\`echo \$(exec_prefix) | sed -e 's|^\$(prefix)||' -e 's|/[^/]*|/..|g'\`/$libstdcxx_incdir"
-changequote([, ])dnl
+ gcc_gxx_include_dir="\$(libsubdir)/\$(libsubdir_to_prefix)$libstdcxx_incdir"
fi
fi
[Define to enable the use of a default assembler.])
fi
+gnu_as=`if test x"$gas_flag" = x"yes"; then echo 1; else echo 0; fi`
+AC_DEFINE_UNQUOTED(HAVE_GNU_AS, $gnu_as, [Define if using GNU as.])
+
AC_MSG_CHECKING([whether a default assembler was specified])
if test x"${DEFAULT_ASSEMBLER+set}" = x"set"; then
if test x"$gas_flag" = x"no"; then
enable only specific categories of checks.
Categories are: yes,no,all,none,release.
Flags are: assert,df,fold,gc,gcac,misc,
- rtlflag,rtl,runtime,tree,valgrind.],
+ rtlflag,rtl,runtime,tree,valgrind,types.],
[ac_checking_flags="${enableval}"],[
# Determine the default checks.
if test x$is_release = x ; then
do
case $check in
# these set all the flags to specific states
- yes) ac_assert_checking=1 ; ac_checking=1 ; ac_df_checking=1 ;
+ yes) ac_assert_checking=1 ; ac_checking=1 ; ac_df_checking= ;
ac_fold_checking= ; ac_gc_checking=1 ;
ac_gc_always_collect= ; ac_rtl_checking= ;
ac_rtlflag_checking=1 ; ac_runtime_checking=1 ;
- ac_tree_checking=1 ; ac_valgrind_checking= ;;
+ ac_tree_checking=1 ; ac_valgrind_checking= ;
+ ac_types_checking= ;;
no|none) ac_assert_checking= ; ac_checking= ; ac_df_checking= ;
ac_fold_checking= ; ac_gc_checking= ;
ac_gc_always_collect= ; ac_rtl_checking= ;
ac_rtlflag_checking= ; ac_runtime_checking= ;
- ac_tree_checking= ; ac_valgrind_checking= ;;
+ ac_tree_checking= ; ac_valgrind_checking= ;
+ ac_types_checking= ;;
all) ac_assert_checking=1 ; ac_checking=1 ; ac_df_checking=1 ;
ac_fold_checking=1 ; ac_gc_checking=1 ;
ac_gc_always_collect=1 ; ac_rtl_checking=1 ;
ac_rtlflag_checking=1 ; ac_runtime_checking=1 ;
- ac_tree_checking=1 ; ac_valgrind_checking= ;;
+ ac_tree_checking=1 ; ac_valgrind_checking= ;
+ ac_types_checking=1 ;;
release) ac_assert_checking=1 ; ac_checking= ; ac_df_checking= ;
ac_fold_checking= ; ac_gc_checking= ;
ac_gc_always_collect= ; ac_rtl_checking= ;
ac_rtlflag_checking= ; ac_runtime_checking=1 ;
- ac_tree_checking= ; ac_valgrind_checking= ;;
+ ac_tree_checking= ; ac_valgrind_checking= ;
+ ac_types_checking= ;;
# these enable particular checks
assert) ac_assert_checking=1 ;;
df) ac_df_checking=1 ;;
rtlflag) ac_rtlflag_checking=1 ;;
runtime) ac_runtime_checking=1 ;;
tree) ac_tree_checking=1 ;;
+ types) ac_types_checking=1 ;;
valgrind) ac_valgrind_checking=1 ;;
*) AC_MSG_ERROR(unknown check category $check) ;;
esac
])
TREEBROWSER=tree-browser.o
fi
+if test x$ac_types_checking != x ; then
+ AC_DEFINE(ENABLE_TYPES_CHECKING, 1,
+[Define if you want all gimple types to be verified after gimplifiation.
+ This is cheap.
+ ])
+fi
AC_SUBST(TREEBROWSER)
if test x$ac_rtl_checking != x ; then
AC_DEFINE(ENABLE_RTL_CHECKING, 1,
AC_SUBST(valgrind_path_defines)
AC_SUBST(valgrind_command)
-AC_ARG_ENABLE(mapped-location,
-[ --enable-mapped-location location_t is fileline integer cookie],,
-enable_mapped_location=no)
-
-if test "$enable_mapped_location" = yes ; then
- AC_DEFINE(USE_MAPPED_LOCATION, 1,
-[Define if location_t is fileline integer cookie.])
-fi
-
# Enable code coverage collection
AC_ARG_ENABLE(coverage,
[ --enable-coverage[=LEVEL]
[Define to 1 to specify that we are using the BID decimal floating
point format instead of DPD])
+# Enable C extension for fixed-point arithmetic.
+AC_ARG_ENABLE(fixed-point,
+[ --enable-fixed-point enable fixed-point arithmetic extension to C],
+[
+],
+[
+ case $target in
+ mips*-*-*)
+ case $host in
+ mips*-sgi-irix*)
+ AC_MSG_WARN(fixed-point is not supported on IRIX, ignored)
+ enable_fixed_point=no
+ ;;
+ *)
+ enable_fixed_point=yes
+ ;;
+ esac
+ ;;
+ *)
+ AC_MSG_WARN(fixed-point is not supported for this target, ignored)
+ enable_fixed_point=no
+ ;;
+ esac
+])
+AC_SUBST(enable_fixed_point)
+
+fixedpoint=`if test $enable_fixed_point = yes; then echo 1; else echo 0; fi`
+AC_DEFINE_UNQUOTED(ENABLE_FIXED_POINT, $fixedpoint,
+[Define to 1 to enable fixed-point arithmetic extension to C.])
+
# Enable threads
# Pass with no value to take the default
# Pass with a value to specify a thread package
[onestep=""])
AC_SUBST(onestep)
+ACX_PKGVERSION([GCC])
+ACX_BUGURL([http://gcc.gnu.org/bugs.html])
+
# Sanity check enable_languages in case someone does not run the toplevel
# configure # script.
AC_ARG_ENABLE(languages,
# that we can use it.
ACX_CHECK_PROG_VER(MAKEINFO, makeinfo, --version,
[GNU texinfo.* \([0-9][0-9.]*\)],
- [4.[4-9]*])
+ [4.[4-9]*|4.[1-9][0-9]*|[5-9]*|[1-9][0-9]*])
if test $gcc_cv_prog_makeinfo_modern = no; then
AC_MSG_WARN([
*** Makeinfo is missing or too old.
AC_ARG_ENABLE(sjlj-exceptions,
[ --enable-sjlj-exceptions
arrange to use setjmp/longjmp exception handling],
-[sjlj=`if test $enableval = yes; then echo 1; else echo 0; fi`
-AC_DEFINE_UNQUOTED(CONFIG_SJLJ_EXCEPTIONS, $sjlj,
- [Define 0/1 to force the choice for exception handling model.])])
+[case $target in
+ *-*-hpux10*)
+ if test $enableval != yes; then
+ AC_MSG_WARN([dwarf2 exceptions not supported, sjlj exceptions forced])
+ enableval=yes
+ fi
+ ;;
+esac
+force_sjlj_exceptions=yes],
+[case $target in
+ *-*-hpux10*)
+ force_sjlj_exceptions=yes
+ enableval=yes
+ ;;
+ *)
+ force_sjlj_exceptions=no
+ ;;
+esac])
+if test $force_sjlj_exceptions = yes; then
+ sjlj=`if test $enableval = yes; then echo 1; else echo 0; fi`
+ AC_DEFINE_UNQUOTED(CONFIG_SJLJ_EXCEPTIONS, $sjlj,
+ [Define 0/1 to force the choice for exception handling model.])
+fi
# For platforms with the unwind ABI which includes an unwind library,
# libunwind, we can choose to use the system libunwind.
target_thread_file='single'
;;
aix | dce | gnat | irix | posix | posix95 | rtems | \
- single | solaris | vxworks | win32 )
+ single | solaris | vxworks | win32 | mipssde)
target_thread_file=${enable_threads}
;;
*)
extra_headers_list="${extra_headers_list} \$(srcdir)/config/${cpu_type}/${file}"
done
+# If use_gcc_tgmath is set, append ginclude/tgmath.h.
+if test x"$use_gcc_tgmath" = xyes
+then extra_headers_list="${extra_headers_list} \$(srcdir)/ginclude/tgmath.h"
+fi
+
# Define collect2 in Makefile.
case $host_can_use_collect2 in
no) collect2= ;;
if echo "$ld_ver" | grep GNU > /dev/null; then
changequote(,)dnl
ld_vers=`echo $ld_ver | sed -n \
- -e 's,^.*[ ]\([0-9][0-9]*\.[0-9][0-9]*\)$,\1,p' \
- -e 's,^.*[ ]\([0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\)$,\1,p' \
- -e 's,^.*[ ]\([0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\)$,\1,p' \
- -e 's,^.*[ ]\([0-9][0-9]*\.[0-9][0-9]*\)[ ].*$,\1,p' \
- -e 's,^.*[ ]\([0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\)[ ].*$,\1,p' \
- -e 's,^.*[ ]\([0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\)[ ].*$,\1,p' \
- -e 's,^.*[ ]\([0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\)[ -].*$,\1,p'`
+ -e 's,^.*[ ]\([0-9][0-9]*\.[0-9][0-9]*.*\)$,\1,p'`
ld_date=`echo $ld_ver | sed -n 's,^.*\([2-9][0-9][0-9][0-9]\)[-]*\([01][0-9]\)[-]*\([0-3][0-9]\).*$,\1\2\3,p'`
ld_vers_major=`expr "$ld_vers" : '\([0-9]*\)'`
ld_vers_minor=`expr "$ld_vers" : '[0-9]*\.\([0-9]*\)'`
as_ver=`$gcc_cv_as --version 2>/dev/null | sed 1q`
if echo "$as_ver" | grep GNU > /dev/null; then
changequote(,)dnl
- as_ver=`echo $as_ver | sed -e 's/GNU assembler \([0-9.][0-9.]*\).*/\1/'`
- as_major=`echo $as_ver | sed 's/\..*//'`
- as_minor=`echo $as_ver | sed 's/[^.]*\.\([0-9]*\).*/\1/'`
+ as_vers=`echo $as_ver | sed -n \
+ -e 's,^.*[ ]\([0-9][0-9]*\.[0-9][0-9]*.*\)$,\1,p'`
+ as_major=`expr "$as_vers" : '\([0-9]*\)'`
+ as_minor=`expr "$as_vers" : '[0-9]*\.\([0-9]*\)'`
changequote([,])dnl
if test $as_major -eq 2 && test $as_minor -lt 11
then :
[$conftest_s],,
[AC_DEFINE(HAVE_AS_DFP, 1,
[Define if your assembler supports DFP instructions.])])
+
+ gcc_GAS_CHECK_FEATURE([.gnu_attribute support],
+ gcc_cv_as_powerpc_gnu_attribute, [2,18,0],,
+ [.gnu_attribute 4,1],,
+ [AC_DEFINE(HAVE_AS_GNU_ATTRIBUTE, 1,
+ [Define if your assembler supports .gnu_attribute.])])
;;
mips*-*-*)
gcc_cv_as_mips_no_shared, [2,16,0], [-mno-shared], [nop],,
[AC_DEFINE(HAVE_AS_NO_SHARED, 1,
[Define if the assembler understands -mno-shared.])])
+
+ gcc_GAS_CHECK_FEATURE([.gnu_attribute support],
+ gcc_cv_as_mips_gnu_attribute, [2,18,0],,
+ [.gnu_attribute 4,1],,
+ [AC_DEFINE(HAVE_AS_GNU_ATTRIBUTE, 1,
+ [Define if your assembler supports .gnu_attribute.])])
+
+ gcc_GAS_CHECK_FEATURE([.dtprelword support],
+ gcc_cv_as_mips_dtprelword, [2,18,0],,
+ [.section .tdata,"awT",@progbits
+x:
+ .word 2
+ .text
+ .dtprelword x+0x8000],,
+ [AC_DEFINE(HAVE_AS_DTPRELWORD, 1,
+ [Define if your assembler supports .dtprelword.])])
;;
esac
fi],
[AC_DEFINE(HAVE_AS_GSTABS_DEBUG_FLAG, 1,
[Define if your assembler supports the --gstabs option.])])
+
+ gcc_GAS_CHECK_FEATURE([--debug-prefix-map option],
+ gcc_cv_as_debug_prefix_map_flag,
+ [2,18,0], [--debug-prefix-map /a=/b], [$insn],,
+ [AC_DEFINE(HAVE_AS_DEBUG_PREFIX_MAP, 1,
+[Define if your assembler supports the --debug-prefix-map option.])])
fi
AC_CACHE_CHECK([assembler for tolerance to line number 0],
&& $EGREP '^@<:@ @:>@*#[ ]*define[ ]+__GLIBC_MINOR__[ ]+([1-9][0-9]|[4-9])' \
$glibc_header_dir/features.h > /dev/null; then
gcc_cv_libc_provides_ssp=yes
+ elif $EGREP '^@<:@ @:>@*#[ ]*define[ ]+__UCLIBC__[ ]+1' \
+ $glibc_header_dir/features.h > /dev/null && \
+ test -f $glibc_header_dir/bits/uClibc_config.h && \
+ $EGREP '^@<:@ @:>@*#[ ]*define[ ]+__UCLIBC_HAS_SSP__[ ]+1' \
+ $glibc_header_dir/bits/uClibc_config.h > /dev/null; then
+ gcc_cv_libc_provides_ssp=yes
fi
- fi
+ fi
;;
*-*-darwin*)
AC_CHECK_FUNC(__stack_chk_fail,[gcc_cv_libc_provides_ssp=yes],
fi
echo "source ${srcdir}/gdbinit.in" >> .gdbinit
-# If $(exec_prefix) exists and is not the same as $(prefix), then compute an
-# absolute path for gcc_tooldir based on inserting the number of up-directory
-# movements required to get from $(exec_prefix) to $(prefix) into the basic
-# $(libsubdir)/@(unlibsubdir) based path.
-# Don't set gcc_tooldir to tooldir since that's only passed in by the toplevel
-# make and thus we'd get different behavior depending on where we built the
-# sources.
-if test x$exec_prefix = xNONE -o x$exec_prefix = x$prefix; then
- gcc_tooldir='$(libsubdir)/$(unlibsubdir)/../$(target_noncanonical)'
-else
-changequote(<<, >>)dnl
-# An explanation of the sed strings:
-# -e 's|^\$(prefix)||' matches and eliminates 'prefix' from 'exec_prefix'
-# -e 's|/$||' match a trailing forward slash and eliminates it
-# -e 's|^[^/]|/|' forces the string to start with a forward slash (*)
-# -e 's|/[^/]*|../|g' replaces each occurrence of /<directory> with ../
-#
-# (*) Note this pattern overwrites the first character of the string
-# with a forward slash if one is not already present. This is not a
-# problem because the exact names of the sub-directories concerned is
-# unimportant, just the number of them matters.
-#
-# The practical upshot of these patterns is like this:
-#
-# prefix exec_prefix result
-# ------ ----------- ------
-# /foo /foo/bar ../
-# /foo/ /foo/bar ../
-# /foo /foo/bar/ ../
-# /foo/ /foo/bar/ ../
-# /foo /foo/bar/ugg ../../
-#
- dollar='$$'
- gcc_tooldir="\$(libsubdir)/\$(unlibsubdir)/\`echo \$(exec_prefix) | sed -e 's|^\$(prefix)||' -e 's|/\$(dollar)||' -e 's|^[^/]|/|' -e 's|/[^/]*|../|g'\`\$(target_noncanonical)"
-changequote([, ])dnl
-fi
+gcc_tooldir='$(libsubdir)/$(libsubdir_to_prefix)$(target_noncanonical)'
AC_SUBST(gcc_tooldir)
AC_SUBST(dollar)
AC_SUBST(build_xm_file_list)
AC_SUBST(build_xm_include_list)
AC_SUBST(build_xm_defines)
+AC_SUBST(build_file_translate)
AC_SUBST(check_languages)
AC_SUBST(cpp_install_dir)
AC_SUBST(xmake_file)
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