# configure.ac for GCC
# Process this file with autoconf to generate a configuration script.
-# Copyright 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
+# Copyright 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007
# Free Software Foundation, Inc.
#This file is part of GCC.
*) gcc_gxx_include_dir=$with_gxx_include_dir ;;
esac])
+# This logic must match libstdc++-v3/acinclude.m4:GLIBCXX_EXPORT_INSTALL_INFO.
if test x${gcc_gxx_include_dir} = x; then
if test x${enable_version_specific_runtime_libs} = xyes; then
gcc_gxx_include_dir='${libsubdir}/include/c++'
else
- libstdcxx_incdir='c++/$(version)'
-changequote(<<, >>)dnl
- gcc_gxx_include_dir="\$(libsubdir)/\$(unlibsubdir)/..\`echo \$(exec_prefix) | sed -e 's|^\$(prefix)||' -e 's|/[^/]*|/..|g'\`/include/"${libstdcxx_incdir}
-changequote([, ])dnl
+ libstdcxx_incdir='include/c++/$(version)'
+ if test x$host != x$target; then
+ libstdcxx_incdir="$target_alias/$libstdcxx_incdir"
+ fi
+ gcc_gxx_include_dir="\$(libsubdir)/\$(libsubdir_to_prefix)$libstdcxx_incdir"
fi
fi
[Define to enable the use of a default linker.])
fi
+gnu_ld=`if test x"$gnu_ld_flag" = x"yes"; then echo 1; else echo 0; fi`
+AC_DEFINE_UNQUOTED(HAVE_GNU_LD, $gnu_ld, [Define if using GNU ld.])
+
AC_MSG_CHECKING([whether a default linker was specified])
if test x"${DEFAULT_LINKER+set}" = x"set"; then
if test x"$gnu_ld_flag" = x"no"; then
AC_SUBST(NO_MINUS_C_MINUS_O)
AC_SUBST(OUTPUT_OPTION)
+# Remove the -O2: for historical reasons, unless bootstrapping we prefer
+# optimizations to be activated explicitly by the toplevel.
+case "$CC" in
+ */prev-gcc/xgcc*) ;;
+ *) CFLAGS=`echo $CFLAGS | sed "s/-O[[s0-9]]* *//" ` ;;
+esac
+AC_SUBST(CFLAGS)
+
# -------------------------
# Check C compiler features
# -------------------------
# * overlong strings
# So, we only use -pedantic if we can disable those warnings.
-AC_CACHE_CHECK(
- [whether ${CC} accepts -Wno-long-long],
- [ac_cv_prog_cc_w_no_long_long],
- [save_CFLAGS="$CFLAGS"
- CFLAGS="-Wno-long-long"
- AC_COMPILE_IFELSE([AC_LANG_SOURCE([[]])],
- [ac_cv_prog_cc_w_no_long_long=yes],
- [ac_cv_prog_cc_w_no_long_long=no])
- CFLAGS="$save_CFLAGS"
- ])
-
-AC_CACHE_CHECK(
- [whether ${CC} accepts -Wno-variadic-macros],
- [ac_cv_prog_cc_w_no_variadic_macros],
- [save_CFLAGS="$CFLAGS"
- CFLAGS="-Wno-variadic-macros"
- AC_COMPILE_IFELSE([AC_LANG_SOURCE([[]])],
- [ac_cv_prog_cc_w_no_variadic_macros=yes],
- [ac_cv_prog_cc_w_no_variadic_macros=no])
- CFLAGS="$save_CFLAGS"
- ])
-
-AC_CACHE_CHECK(
- [whether ${CC} accepts -Wno-overlength-strings],
- [ac_cv_prog_cc_w_no_overlength_strings],
- [save_CFLAGS="$CFLAGS"
- CFLAGS="-Wno-overlength-strings"
- AC_COMPILE_IFELSE([AC_LANG_SOURCE([[]])],
- [ac_cv_prog_cc_w_no_overlength_strings=yes],
- [ac_cv_prog_cc_w_no_overlength_strings=no])
- CFLAGS="$save_CFLAGS"
- ])
-
-strict1_warn=
-if test $ac_cv_prog_cc_w_no_long_long = yes \
- && test $ac_cv_prog_cc_w_no_variadic_macros = yes \
- && test $ac_cv_prog_cc_w_no_overlength_strings = yes ; then
- strict1_warn="-pedantic -Wno-long-long -Wno-variadic-macros -Wno-overlength-strings"
-fi
-
-# Add -Wold-style-definition if it's accepted
-AC_CACHE_CHECK(
- [whether ${CC} accepts -Wold-style-definition],
- [ac_cv_prog_cc_w_old_style_definition],
- [save_CFLAGS="$CFLAGS"
- CFLAGS="-Wold-style-definition"
- AC_COMPILE_IFELSE([AC_LANG_SOURCE([[]])],
- [ac_cv_prog_cc_w_old_style_definition=yes],
- [ac_cv_prog_cc_w_old_style_definition=no])
- CFLAGS="$save_CFLAGS"
- ])
-if test $ac_cv_prog_cc_w_old_style_definition = yes ; then
- strict1_warn="${strict1_warn} -Wold-style-definition"
-fi
-
-# Add -Wmissing-format-attribute if it's accepted
-AC_CACHE_CHECK(
- [whether ${CC} accepts -Wmissing-format-attribute],
- [ac_cv_prog_cc_w_missing_format_attribute],
- [save_CFLAGS="$CFLAGS"
- CFLAGS="-Wmissing-format-attribute"
- AC_COMPILE_IFELSE([AC_LANG_SOURCE([[]])],
- [ac_cv_prog_cc_w_missing_format_attribute=yes],
- [ac_cv_prog_cc_w_missing_format_attribute=no])
- CFLAGS="$save_CFLAGS"
- ])
-if test $ac_cv_prog_cc_w_missing_format_attribute = yes ; then
- strict1_warn="${strict1_warn} -Wmissing-format-attribute"
-fi
-
-# Enable -Werror, period.
-AC_ARG_ENABLE(werror_always,
-[ --enable-werror-always enable -Werror always], [],
-[enable_werror_always=no])
-if test x${enable_werror_always} = xyes ; then
- strict1_warn="${strict1_warn} -Werror"
- WERROR=-Werror
-fi
-
-AC_SUBST(strict1_warn)
-
-# If the native compiler is GCC, we can enable warnings even in stage1.
-# That's useful for people building cross-compilers, or just running a
-# quick `make'.
+ACX_PROG_CC_WARNING_OPTS([-W -Wall -Wwrite-strings -Wstrict-prototypes \
+ -Wmissing-prototypes], [loose_warn])
+ACX_PROG_CC_WARNING_OPTS([-Wc++-compat], [cxx_compat_warn])
+ACX_PROG_CC_WARNING_OPTS([-Wold-style-definition \
+ -Wmissing-format-attribute], [strict_warn])
+ACX_PROG_CC_WARNING_ALMOST_PEDANTIC([-Wno-long-long -Wno-variadic-macros \
+ -Wno-overlength-strings], [strict_warn])
+ACX_PROG_CC_WARNINGS_ARE_ERRORS([manual], [strict_warn])
+
+# The above macros do nothing if the compiler is not GCC. However, the
+# Makefile has more goo to add other flags, so this variabl is used to
+# enables warnings only for GCC.
warn_cflags=
if test "x$GCC" = "xyes"; then
warn_cflags='$(GCC_WARN_CFLAGS)'
fi
AC_SUBST(warn_cflags)
-# Enable -Werror in bootstrap stage2 and later.
+# Enable expensive internal checks
is_release=
if test x"`cat $srcdir/DEV-PHASE`" != xexperimental; then
is_release=yes
fi
-AC_ARG_ENABLE(werror,
-[ --enable-werror enable -Werror in bootstrap stage2 and later], [],
-[if test x$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$enable_werror = xyes ; then
- WERROR=-Werror
-fi
-AC_SUBST(WERROR)
-# Enable expensive internal checks
AC_ARG_ENABLE(checking,
[ --enable-checking[=LIST]
enable expensive run-time checks. With LIST,
enable only specific categories of checks.
Categories are: yes,no,all,none,release.
- Flags are: assert,fold,gc,gcac,misc,
+ Flags are: assert,df,fold,gc,gcac,misc,
rtlflag,rtl,runtime,tree,valgrind.],
[ac_checking_flags="${enableval}"],[
# Determine the default checks.
else
ac_checking_flags=release
fi])
-ac_assert_checking=1
-ac_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=
IFS="${IFS= }"; ac_save_IFS="$IFS"; IFS="$IFS,"
-for check in $ac_checking_flags
+for check in release $ac_checking_flags
do
case $check in
# these set all the flags to specific states
- yes) ac_assert_checking=1 ; ac_checking=1 ;
+ yes) ac_assert_checking=1 ; ac_checking=1 ; ac_df_checking=1 ;
ac_fold_checking= ; ac_gc_checking=1 ;
ac_gc_always_collect= ; ac_rtl_checking= ;
ac_rtlflag_checking=1 ; ac_runtime_checking=1 ;
ac_tree_checking=1 ; ac_valgrind_checking= ;;
- no|none) ac_assert_checking= ; ac_checking= ;
+ no|none) ac_assert_checking= ; ac_checking= ; ac_df_checking= ;
ac_fold_checking= ; ac_gc_checking= ;
ac_gc_always_collect= ; ac_rtl_checking= ;
ac_rtlflag_checking= ; ac_runtime_checking= ;
ac_tree_checking= ; ac_valgrind_checking= ;;
- all) ac_assert_checking=1 ; ac_checking=1 ;
+ all) ac_assert_checking=1 ; ac_checking=1 ; ac_df_checking=1 ;
ac_fold_checking=1 ; ac_gc_checking=1 ;
ac_gc_always_collect=1 ; ac_rtl_checking=1 ;
ac_rtlflag_checking=1 ; ac_runtime_checking=1 ;
ac_tree_checking=1 ; ac_valgrind_checking= ;;
- release) ac_assert_checking=1 ; ac_checking= ;
+ release) ac_assert_checking=1 ; ac_checking= ; ac_df_checking= ;
ac_fold_checking= ; ac_gc_checking= ;
ac_gc_always_collect= ; ac_rtl_checking= ;
ac_rtlflag_checking= ; ac_runtime_checking=1 ;
ac_tree_checking= ; ac_valgrind_checking= ;;
# these enable particular checks
assert) ac_assert_checking=1 ;;
+ df) ac_df_checking=1 ;;
fold) ac_fold_checking=1 ;;
gc) ac_gc_checking=1 ;;
gcac) ac_gc_always_collect=1 ;;
nocommon_flag=-fno-common
fi
AC_SUBST(nocommon_flag)
+if test x$ac_df_checking != x ; then
+ AC_DEFINE(ENABLE_DF_CHECKING, 1,
+[Define if you want more run-time sanity checks for dataflow.])
+fi
if test x$ac_assert_checking != x ; then
AC_DEFINE(ENABLE_ASSERT_CHECKING, 1,
[Define if you want assertions enabled. This is a cheap check.])
# Enable C extension for decimal float if target supports it.
AC_ARG_ENABLE(decimal-float,
-[ --enable-decimal-float enable decimal float extension to C],
+[ --enable-decimal-float={no,yes,bid,dpd}
+ enable decimal float extension to C. Selecting 'bid'
+ or 'dpd' choses which decimal floating point format
+ to use],
[
- if test x$enablevar = xyes ; then
- case $target in
- powerpc*-*-linux* | i?86*-*-linux*)
+ case $enable_decimal_float in
+ yes | no | bid | dpd) ;;
+ *) AC_MSG_ERROR(['$enable_decimal_float' is an invalid value for --enable-decimal-float.
+Valid choices are 'yes', 'bid', 'dpd', and 'no'.]) ;;
+ esac
+],
+[
+ case $target in
+ powerpc*-*-linux* | i?86*-*-linux* | x86_64*-*-linux*)
+ enable_decimal_float=yes
;;
*)
AC_MSG_WARN(decimal float is not supported for this target, ignored)
enable_decimal_float=no
;;
- esac
- fi
-],
-[
- case $target in
- powerpc*-*-linux*)
- enable_decimal_float=yes
- ;;
- *)
- enable_decimal_float=no
- ;;
esac
])
-AC_SUBST(enable_decimal_float)
-
-dfp=`if test $enable_decimal_float = yes; then echo 1; else echo 0; fi`
+dfp=`if test $enable_decimal_float != no; then echo 1; else echo 0; fi`
AC_DEFINE_UNQUOTED(ENABLE_DECIMAL_FLOAT, $dfp,
[Define to 1 to enable decimal float extension to C.])
+# x86's use BID format instead of DPD
+case x$enable_decimal_float in
+ xyes)
+ case $target in
+ i?86*-*-linux* | x86_64*-*-linux*)
+ enable_decimal_float=bid
+ ;;
+ *)
+ enable_decimal_float=dpd
+ ;;
+ esac
+ ;;
+ xno)
+ # ENABLE_DECIMAL_FLOAT is set to 0. But we have to have proper
+ # dependency on libdecnumber.
+ enable_decimal_float=dpd
+ ;;
+esac
+AC_SUBST(enable_decimal_float)
+
+bid=`if test $enable_decimal_float = bid; then echo 1; else echo 0; fi`
+AC_DEFINE_UNQUOTED(ENABLE_DECIMAL_BID_FORMAT, $bid,
+[Define to 1 to specify that we are using the BID decimal floating
+point format instead of DPD])
+
# Enable threads
# Pass with no value to take the default
# Pass with a value to specify a thread package
esac
TARGET_SYSTEM_ROOT_DEFINE='-DTARGET_SYSTEM_ROOT=\"$(TARGET_SYSTEM_ROOT)\"'
- CROSS_SYSTEM_HEADER_DIR='$(TARGET_SYSTEM_ROOT)$(NATIVE_SYSTEM_HEADER_DIR)'
+ CROSS_SYSTEM_HEADER_DIR='$(TARGET_SYSTEM_ROOT)$${sysroot_headers_suffix}$(NATIVE_SYSTEM_HEADER_DIR)'
+ if test "x$prefix" = xNONE; then
+ test_prefix=/usr/local
+ else
+ test_prefix=$prefix
+ fi
if test "x$exec_prefix" = xNONE; then
- if test "x$prefix" = xNONE; then
- test_prefix=/usr/local
- else
- test_prefix=$prefix
- fi
+ test_exec_prefix=$test_prefix
else
- test_prefix=$exec_prefix
+ test_exec_prefix=$exec_prefix
fi
case ${TARGET_SYSTEM_ROOT} in
"${test_prefix}"|"${test_prefix}/"*|\
+ "${test_exec_prefix}"|"${test_exec_prefix}/"*|\
+ '${prefix}'|'${prefix}/'*|\
'${exec_prefix}'|'${exec_prefix}/'*)
t="$TARGET_SYSTEM_ROOT_DEFINE -DTARGET_SYSTEM_ROOT_RELOCATABLE"
TARGET_SYSTEM_ROOT_DEFINE="$t"
esac],
[enable_languages=c])
-subdirs=
-for lang in ${srcdir}/*/config-lang.in
-do
- case $lang in
- # The odd quoting in the next line works around
- # an apparent bug in bash 1.12 on linux.
-changequote(,)dnl
- ${srcdir}/[*]/config-lang.in) ;;
- *)
- lang_alias=`sed -n -e 's,^language=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^language=\([^ ]*\).*$,\1,p' $lang`
- if test "x$lang_alias" = x
- then
- echo "$lang doesn't set \$language." 1>&2
- exit 1
- fi
- case ",$enable_languages," in
- *,$lang_alias,*)
- subdirs="$subdirs `echo $lang | sed -e 's,^.*/\([^/]*\)/config-lang.in$,\1,'`" ;;
- esac
- ;;
-changequote([,])dnl
- esac
-done
-
+# Used by documentation targets
+AC_SUBST(datarootdir)
+AC_SUBST(docdir)
+AC_SUBST(htmldir)
# -------------------------
# Checks for other programs
# See if we have the mktemp command.
AC_CHECK_PROG(have_mktemp_command, mktemp, yes, no)
-MISSING="${CONFIG_SHELL-/bin/sh} $srcdir/../missing"
-
# See if makeinfo has been installed and is modern enough
# that we can use it.
-gcc_AC_CHECK_PROG_VER(MAKEINFO, makeinfo, --version,
+ACX_CHECK_PROG_VER(MAKEINFO, makeinfo, --version,
[GNU texinfo.* \([0-9][0-9.]*\)],
[4.[4-9]*])
if test $gcc_cv_prog_makeinfo_modern = no; then
- MAKEINFO="$MISSING makeinfo"
AC_MSG_WARN([
*** Makeinfo is missing or too old.
*** Info documentation will not be built.])
fi
AC_SUBST(GENERATED_MANPAGES)
+MISSING="${CONFIG_SHELL-/bin/sh} $ac_aux_dir/missing"
+
# How about lex?
dnl Don't use AC_PROG_LEX; we insist on flex.
dnl LEXLIB is not useful in gcc.
# UNSORTED
# --------
-# Stage specific cflags for build.
-stage1_cflags=
-case $build in
-vax-*-*)
- if test x$GCC = xyes
- then
- stage1_cflags="-Wa,-J"
- else
- stage1_cflags="-J"
- fi
- ;;
-powerpc-*-darwin*)
- # The spiffy cpp-precomp chokes on some legitimate constructs in GCC
- # sources; use -no-cpp-precomp to get to GNU cpp.
- # Apple's GCC has bugs in designated initializer handling, so disable
- # that too.
- stage1_cflags="-no-cpp-precomp -DHAVE_DESIGNATED_INITIALIZERS=0"
- ;;
-esac
-AC_SUBST(stage1_cflags)
# These libraries may be used by collect2.
# We may need a special search path to get them linked.
#endif
])
+gcc_AC_CHECK_DECLS(sigaltstack, , ,[
+#include "ansidecl.h"
+#include "system.h"
+#include <signal.h>
+])
+
# More time-related stuff.
AC_CACHE_CHECK(for struct tms, ac_cv_struct_tms, [
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
AC_ARG_WITH(system-libunwind,
[ --with-system-libunwind use installed libunwind])
+# config.gcc also contains tests of with_system_libunwind.
+if test x$with_system_libunwind = xyes; then
+ AC_DEFINE(HAVE_GETIPINFO, 1,
+[Define to 1 if system unwind library has _Unwind_GetIPInfo.])
+fi
+
# --------------------------------------------------------
# Build, host, and target specific configuration fragments
# --------------------------------------------------------
fi
fi
+case ${host} in
+ powerpc*-*-darwin*)
+ AC_CACHE_CHECK([whether mcontext_t fields have underscores],
+ gcc_cv_mcontext_underscores,
+ AC_COMPILE_IFELSE([
+#include <sys/cdefs.h>
+#include <sys/signal.h>
+#include <ucontext.h>
+int main() { mcontext_t m; if (m->ss.srr0) return 0; return 0; }
+],
+ gcc_cv_mcontext_underscores=no, gcc_cv_mcontext_underscores=yes))
+ if test $gcc_cv_mcontext_underscores = yes; then
+ AC_DEFINE(HAS_MCONTEXT_T_UNDERSCORES,,dnl
+ [mcontext_t fields start with __])
+ fi
+ ;;
+esac
+
# ---------
# Threading
# ---------
if test x$enable___cxa_atexit = xyes || \
test x$enable___cxa_atexit = x -a x$default_use_cxa_atexit = xyes; then
if test x$host = x$target; then
- AC_CHECK_FUNC(__cxa_atexit,[use_cxa_atexit=yes],
- [echo "__cxa_atexit can't be enabled on this target"])
+ case $host in
+ # mingw32 doesn't have __cxa_atexit but uses atexit registration
+ # keyed to flag_use_cxa_atexit
+ *-*-mingw32*)
+ use_cxa_atexit=yes
+ ;;
+ *)
+ AC_CHECK_FUNC(__cxa_atexit,[use_cxa_atexit=yes],
+ [echo "__cxa_atexit can't be enabled on this target"])
+ ;;
+ esac
else
# We can't check for __cxa_atexit when building a cross, so assume
# it is available
use_cxa_atexit=yes
fi
if test x$use_cxa_atexit = xyes; then
- AC_DEFINE(DEFAULT_USE_CXA_ATEXIT, 1,
+ AC_DEFINE(DEFAULT_USE_CXA_ATEXIT, 2,
[Define if you want to use __cxa_atexit, rather than atexit, to
register C++ destructors for local statics and global objects.
This is essential for fully standards-compliant handling of
fi
fi
+use_getipinfo=yes
+if test x$with_system_libunwind = xyes; then
+ if test x$host = x$target; then
+ AC_SEARCH_LIBS(_Unwind_GetIPInfo, unwind,, [use_getipinfo=no])
+ fi
+fi
+GCC_TARGET_TEMPLATE(HAVE_GETIPINFO)
+if test x$use_getipinfo = xyes; then
+ AC_DEFINE(HAVE_GETIPINFO, 1,
+ [Define to 1 if system unwind library has _Unwind_GetIPInfo.])
+else
+ echo "The system unwind library does not support _Unwind_GetIPInfo."
+fi
+
# Look for a file containing extra machine modes.
if test -n "$extra_modes" && test -f $srcdir/config/$extra_modes; then
extra_modes_file='$(srcdir)'/config/${extra_modes}
done
tmake_file="${tmake_file_}"
-# If the host doesn't support symlinks, modify CC in
-# FLAGS_TO_PASS so CC="stage1/xgcc -Bstage1/" works.
-# Otherwise, we can use "CC=$(CC)".
-rm -f symtest.tem
-case "$LN_S" in
- *-s*)
- cc_set_by_configure="\$(CC)"
- quoted_cc_set_by_configure="\$(CC)"
- stage_prefix_set_by_configure="\$(STAGE_PREFIX)"
- quoted_stage_prefix_set_by_configure="\$(STAGE_PREFIX)"
- ;;
- *)
- cc_set_by_configure="\`case '\$(CC)' in stage*) echo '\$(CC)' | sed -e 's|stage|../stage|g';; *) echo '\$(CC)';; esac\`"
- quoted_cc_set_by_configure="\\\`case '\\\$(CC)' in stage*) echo '\\\$(CC)' | sed -e 's|stage|../stage|g';; *) echo '\\\$(CC)';; esac\\\`"
- stage_prefix_set_by_configure="\`case '\$(STAGE_PREFIX)' in stage*) echo '\$(STAGE_PREFIX)' | sed -e 's|stage|../stage|g';; *) echo '\$(STAGE_PREFIX)';; esac\`"
- quoted_stage_prefix_set_by_configure="\\\`case '\\\$(STAGE_PREFIX)' in stage*) echo '\\\$(STAGE_PREFIX)' | sed -e 's|stage|../stage|g';; *) echo '\\\$(STAGE_PREFIX)';; esac\\\`"
- ;;
-esac
-
# This is a terrible hack which will go away some day.
host_cc_for_libada=${CC}
AC_SUBST(host_cc_for_libada)
tm_include_list="options.h"
for f in $tm_file; do
case $f in
+ ./* )
+ f=`echo $f | sed 's/^..//'`
+ tm_file_list="${tm_file_list} $f"
+ tm_include_list="${tm_include_list} $f"
+ ;;
defaults.h )
tm_file_list="${tm_file_list} \$(srcdir)/$f"
tm_include_list="${tm_include_list} $f"
esac
done
-# Define macro CROSS_COMPILE in compilation if this is a cross-compiler.
+# Define macro CROSS_DIRECTORY_STRUCTURE in compilation if this is a
+# cross-compiler which does not use the native headers and libraries.
# Also use all.cross instead of all.internal and adjust SYSTEM_HEADER_DIR.
CROSS= AC_SUBST(CROSS)
ALL=all.internal AC_SUBST(ALL)
SYSTEM_HEADER_DIR='$(NATIVE_SYSTEM_HEADER_DIR)' AC_SUBST(SYSTEM_HEADER_DIR)
if test "x$with_build_sysroot" != x; then
- build_system_header_dir=$with_build_sysroot'$(NATIVE_SYSTEM_HEADER_DIR)'
+ build_system_header_dir=$with_build_sysroot'$${sysroot_headers_suffix}$(NATIVE_SYSTEM_HEADER_DIR)'
else
# This value is used, even on a native system, because
# CROSS_SYSTEM_HEADER_DIR is just
if test x$host != x$target
then
- CROSS="-DCROSS_COMPILE"
+ CROSS="-DCROSS_DIRECTORY_STRUCTURE"
ALL=all.cross
SYSTEM_HEADER_DIR=$build_system_header_dir
case "$host","$target" in
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 $host_can_use_collect2 in
no) collect2= ;;
ORIGINAL_AS_FOR_TARGET=$gcc_cv_as
AC_SUBST(ORIGINAL_AS_FOR_TARGET)
+case "$ORIGINAL_AS_FOR_TARGET" in
+ ./as | ./as$build_exeext) ;;
+ *) AC_CONFIG_FILES(as:exec-tool.in, [chmod +x as]) ;;
+esac
AC_MSG_CHECKING(what assembler to use)
if test "$gcc_cv_as" = ../gas/as-new$build_exeext; then
ORIGINAL_LD_FOR_TARGET=$gcc_cv_ld
AC_SUBST(ORIGINAL_LD_FOR_TARGET)
+case "$ORIGINAL_LD_FOR_TARGET" in
+ ./collect-ld | ./collect-ld$build_exeext) ;;
+ *) AC_CONFIG_FILES(collect-ld:exec-tool.in, [chmod +x collect-ld]) ;;
+esac
AC_MSG_CHECKING(what linker to use)
if test "$gcc_cv_ld" = ../ld/ld-new$build_exeext; then
gcc_cv_binutils_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/binutils
AS_VAR_SET_IF(gcc_cv_nm,, [
if test -f $gcc_cv_binutils_srcdir/configure.in \
- && test -f ../binutils/Makefile; then
+ && test -f ../binutils/Makefile \
+ && test x$build = x$host; then
gcc_cv_nm=../binutils/nm-new$build_exeext
elif test -x nm$build_exeext; then
gcc_cv_nm=./nm$build_exeext
ORIGINAL_NM_FOR_TARGET=$gcc_cv_nm
AC_SUBST(ORIGINAL_NM_FOR_TARGET)
+case "$ORIGINAL_NM_FOR_TARGET" in
+ ./nm | ./nm$build_exeext) ;;
+ *) AC_CONFIG_FILES(nm:exec-tool.in, [chmod +x nm]) ;;
+esac
+
# Figure out what objdump we will be using.
AS_VAR_SET_IF(gcc_cv_objdump,, [
if test -f $gcc_cv_binutils_srcdir/configure.in \
- && test -f ../binutils/Makefile; then
+ && test -f ../binutils/Makefile \
+ && test x$build = x$host; then
# Single tree build which includes binutils.
gcc_cv_objdump=../binutils/objdump$build_exeext
elif test -x objdump$build_exeext; then
[Define if your assembler supports specifying the maximum number
of bytes to skip when using the GAS .p2align command.])])
+gcc_GAS_CHECK_FEATURE([.literal16], gcc_cv_as_literal16,
+ [2,8,0],,
+ [.literal16],,
+[AC_DEFINE(HAVE_GAS_LITERAL16, 1,
+ [Define if your assembler supports .literal16.])])
+
gcc_GAS_CHECK_FEATURE([working .subsection -1], gcc_cv_as_subsection_m1,
[elf,2,9,0],,
[conftest_label1: .word 0
-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,^.*[ ]\([0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\)[ -].*$,\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]*\.\([0-9]*\)'`
EOF
# If the assembler didn't choke, and we can objdump,
# and we got the correct data, then succeed.
+ # The text in the here-document typically retains its unix-style line
+ # endings, while the output of objdump will use host line endings.
+ # Therefore, use diff -b for the comparisons.
if test x$gcc_cv_objdump != x \
&& $gcc_cv_objdump -s -j .eh_frame conftest.o 2>/dev/null \
| tail -3 > conftest.got \
- && { cmp conftest.lit conftest.got > /dev/null 2>&1 \
- || cmp conftest.big conftest.got > /dev/null 2>&1; }
+ && { diff -b conftest.lit conftest.got > /dev/null 2>&1 \
+ || diff -b conftest.big conftest.got > /dev/null 2>&1; }
then
gcc_cv_as_eh_frame=yes
elif AC_TRY_COMMAND($gcc_cv_as -o conftest.o --traditional-format /dev/null); then
comdat_group=no
fi
fi
- if test $comdat_group = no; then
- gcc_cv_as_comdat_group=no
- gcc_cv_as_comdat_group_percent=no
- fi
+else
+ # assume linkers other than GNU ld don't support COMDAT group
+ comdat_group=no
+fi
+if test $comdat_group = no; then
+ gcc_cv_as_comdat_group=no
+ gcc_cv_as_comdat_group_percent=no
fi
AC_DEFINE_UNQUOTED(HAVE_COMDAT_GROUP,
[`if test $gcc_cv_as_comdat_group = yes || test $gcc_cv_as_comdat_group_percent = yes; then echo 1; else echo 0; fi`],
;;
sparc*-*-*)
case "$target" in
+ sparc*-sun-solaris2.[56789]*)
+ # TLS was introduced in the Solaris 9 4/04 release but
+ # we do not enable it by default on Solaris 9 either.
+ if test "x$enable_tls" = xyes ; then
+ on_solaris=yes
+ else
+ enable_tls=no;
+ fi
+ ;;
sparc*-sun-solaris2.*)
on_solaris=yes
;;
[AC_DEFINE(HAVE_AS_IX86_CMOV_SUN_SYNTAX, 1,
[Define if your assembler supports the Sun syntax for cmov.])])
+ gcc_GAS_CHECK_FEATURE([ffreep mnemonic],
+ gcc_cv_as_ix86_ffreep,,,
+ [ffreep %st(1)],,
+ [AC_DEFINE(HAVE_AS_IX86_FFREEP, 1,
+ [Define if your assembler supports the ffreep mnemonic.])])
+
+ gcc_GAS_CHECK_FEATURE([sahf mnemonic],
+ gcc_cv_as_ix86_sahf,,,
+ [sahf],,
+ [AC_DEFINE(HAVE_AS_IX86_SAHF, 1,
+ [Define if your assembler supports the sahf mnemonic.])])
+
+ gcc_GAS_CHECK_FEATURE([different section symbol subtraction],
+ gcc_cv_as_ix86_diff_sect_delta,,,
+ [.section .rodata
+.L1:
+ .long .L2-.L1
+ .long .L3-.L1
+ .text
+.L3: nop
+.L2: nop],,
+ [AC_DEFINE(HAVE_AS_IX86_DIFF_SECT_DELTA, 1,
+ [Define if your assembler supports the subtraction of symbols in different sections.])])
+
# This one is used unconditionally by i386.[ch]; it is to be defined
# to 1 if the feature is present, 0 otherwise.
gcc_GAS_CHECK_FEATURE([GOTOFF in data],
[Define if your assembler supports fprnd.])])
case $target in
+ *-*-aix*) conftest_s=' .machine "pwr6"
+ .csect .text[[PR]]
+ mffgpr 1,3';;
+ *) conftest_s=' .machine power6
+ .text
+ mffgpr 1,3';;
+ esac
+
+ gcc_GAS_CHECK_FEATURE([move fp gpr support],
+ gcc_cv_as_powerpc_mfpgpr, [9,99,0],,
+ [$conftest_s],,
+ [AC_DEFINE(HAVE_AS_MFPGPR, 1,
+ [Define if your assembler supports mffgpr and mftgpr.])])
+
+ case $target in
*-*-aix*) conftest_s=' .csect .text[[PR]]
LCF..0:
addis 11,30,_GLOBAL_OFFSET_TABLE_-LCF..0@ha';;
[$conftest_s],,
[AC_DEFINE(HAVE_AS_REL16, 1,
[Define if your assembler supports R_PPC_REL16 relocs.])])
+
+ case $target in
+ *-*-aix*) conftest_s=' .machine "pwr6"
+ .csect .text[[PR]]
+ cmpb 3,4,5';;
+ *) conftest_s=' .machine power6
+ .text
+ cmpb 3,4,5';;
+ esac
+
+ gcc_GAS_CHECK_FEATURE([compare bytes support],
+ gcc_cv_as_powerpc_cmpb, [9,99,0], -a32,
+ [$conftest_s],,
+ [AC_DEFINE(HAVE_AS_CMPB, 1,
+ [Define if your assembler supports cmpb.])])
+
+ case $target in
+ *-*-aix*) conftest_s=' .machine "pwr6"
+ .csect .text[[PR]]
+ dadd 1,2,3';;
+ *) conftest_s=' .machine power6
+ .text
+ dadd 1,2,3';;
+ esac
+
+ gcc_GAS_CHECK_FEATURE([decimal float support],
+ gcc_cv_as_powerpc_dfp, [9,99,0], -a32,
+ [$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*-*-*)
then target_cpu_default=MASK_EXPLICIT_RELOCS
else target_cpu_default="($target_cpu_default)|MASK_EXPLICIT_RELOCS"
fi])
+ gcc_GAS_CHECK_FEATURE([-mno-shared support],
+ gcc_cv_as_mips_no_shared, [2,16,0], [-mno-shared], [nop],,
+ [AC_DEFINE(HAVE_AS_NO_SHARED, 1,
+ [Define if the assembler understands -mno-shared.])])
+
+ gcc_GAS_CHECK_FEATURE([.gnu_attribute support],
+ gcc_cv_as_mips_gnu_attribute, [2,18,0],,
+ [.gnu_attribute 4,1],,
+ [AC_DEFINE(HAVE_AS_GNU_ATTRIBUTE, 1,
+ [Define if your assembler supports .gnu_attribute.])])
+
+ gcc_GAS_CHECK_FEATURE([.dtprelword support],
+ gcc_cv_as_mips_dtprelword, [2,18,0],,
+ [.section .tdata,"awT",@progbits
+x:
+ .word 2
+ .text
+ .dtprelword x+0x8000],,
+ [AC_DEFINE(HAVE_AS_DTPRELWORD, 1,
+ [Define if your assembler supports .dtprelword.])])
;;
esac
case "$target" in
i?86*-*-* | mips*-*-* | alpha*-*-* | powerpc*-*-* | sparc*-*-* | m68*-*-* \
| x86_64*-*-* | hppa*-*-* | arm*-*-* | strongarm*-*-* | xscale*-*-* \
- | xstormy16*-*-* | cris-*-* | xtensa-*-* | bfin-*-*)
+ | xstormy16*-*-* | cris-*-* | xtensa-*-* | bfin-*-* | score*-*-* | spu-*-*)
insn="nop"
;;
ia64*-*-* | s390*-*-*)
[Define if your assembler supports the --gstabs option.])])
fi
+AC_CACHE_CHECK([assembler for tolerance to line number 0],
+ [gcc_cv_as_line_zero],
+ [gcc_cv_as_line_zero=no
+ if test $in_tree_gas = yes; then
+ gcc_GAS_VERSION_GTE_IFELSE(2, 16, 91, [gcc_cv_as_line_zero=yes])
+ elif test "x$gcc_cv_as" != x; then
+ { echo '# 1 "test.s" 1'; echo '# 0 "" 2'; } > conftest.s
+ if AC_TRY_COMMAND([$gcc_cv_as -o conftest.o conftest.s >&AS_MESSAGE_LOG_FD 2>conftest.out]) &&
+ test "x`cat conftest.out`" = x
+ then
+ gcc_cv_as_line_zero=yes
+ else
+ echo "configure: failed program was" >&AS_MESSAGE_LOG_FD
+ cat conftest.s >&AS_MESSAGE_LOG_FD
+ echo "configure: error output was" >&AS_MESSAGE_LOG_FD
+ cat conftest.out >&AS_MESSAGE_LOG_FD
+ fi
+ rm -f conftest.o conftest.s conftest.out
+ fi])
+if test "x$gcc_cv_as_line_zero" = xyes; then
+ AC_DEFINE([HAVE_AS_LINE_ZERO], 1,
+[Define if the assembler won't complain about a line such as # 0 "" 2.])
+fi
+
AC_MSG_CHECKING(linker read-only and read-write section mixing)
gcc_cv_ld_ro_rw_mix=unknown
if test $in_tree_ld = yes ; then
fi
AC_MSG_RESULT($gcc_cv_ld_pie)
+AC_MSG_CHECKING(linker EH-compatible garbage collection of sections)
+gcc_cv_ld_eh_gc_sections=no
+if test $in_tree_ld = yes ; then
+ if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 17 -o "$gcc_cv_gld_major_version" -gt 2 \
+ && test $in_tree_ld_is_elf = yes; then
+ gcc_cv_ld_eh_gc_sections=yes
+ fi
+elif test x$gcc_cv_as != x -a x$gcc_cv_ld != x -a x$gcc_cv_objdump != x ; then
+ cat > conftest.s <<EOF
+ .section .text
+.globl _start
+ .type _start, @function
+_start:
+ .long foo
+ .size _start, .-_start
+ .section .text.foo,"ax",@progbits
+ .type foo, @function
+foo:
+ .long 0
+ .size foo, .-foo
+ .section .gcc_except_table.foo,"a",@progbits
+.L0:
+ .long 0
+ .section .eh_frame,"a",@progbits
+ .long .L0
+EOF
+ if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
+ if $gcc_cv_ld -o conftest conftest.o --entry=_start --gc-sections 2>&1 \
+ | grep "gc-sections option ignored" > /dev/null; then
+ gcc_cv_ld_eh_gc_sections=no
+ elif $gcc_cv_objdump -h conftest | grep gcc_except_table > /dev/null; then
+ gcc_cv_ld_eh_gc_sections=yes
+ # If no COMDAT groups, the compiler will emit .gnu.linkonce.t. sections.
+ if test x$gcc_cv_as_comdat_group != xyes; then
+ gcc_cv_ld_eh_gc_sections=no
+ cat > conftest.s <<EOF
+ .section .text
+.globl _start
+ .type _start, @function
+_start:
+ .long foo
+ .size _start, .-_start
+ .section .gnu.linkonce.t.foo,"ax",@progbits
+ .type foo, @function
+foo:
+ .long 0
+ .size foo, .-foo
+ .section .gcc_except_table.foo,"a",@progbits
+.L0:
+ .long 0
+ .section .eh_frame,"a",@progbits
+ .long .L0
+EOF
+ if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
+ if $gcc_cv_ld -o conftest conftest.o --entry=_start --gc-sections 2>&1 \
+ | grep "gc-sections option ignored" > /dev/null; then
+ gcc_cv_ld_eh_gc_sections=no
+ elif $gcc_cv_objdump -h conftest | grep gcc_except_table > /dev/null; then
+ gcc_cv_ld_eh_gc_sections=yes
+ fi
+ fi
+ fi
+ fi
+ fi
+ rm -f conftest.s conftest.o conftest
+fi
+case "$target" in
+ hppa*-*-linux*)
+ # ??? This apparently exposes a binutils bug with PC-relative relocations.
+ gcc_cv_ld_eh_gc_sections=no
+ ;;
+esac
+if test x$gcc_cv_ld_eh_gc_sections = xyes; then
+ AC_DEFINE(HAVE_LD_EH_GC_SECTIONS, 1,
+ [Define if your linker supports garbage collection of
+ sections in presence of EH frames.])
+fi
+AC_MSG_RESULT($gcc_cv_ld_eh_gc_sections)
+
# --------
# UNSORTED
# --------
fi
if test x$with_sysroot = x && test x$host = x$target \
- && test "$prefix" != "/usr" && test "x$prefix" != "x$local_prefix" ; then
+ && test "$prefix" != "/usr" && test "x$prefix" != "x$local_prefix" \
+ && test "$prefix" != "NONE"; then
AC_DEFINE_UNQUOTED(PREFIX_INCLUDE_DIR, "$prefix/include",
[Define to PREFIX/include if cpp should also search that directory.])
fi
# Test for stack protector support in target C library.
-case "$target" in
- *-*-linux*)
- AC_CACHE_CHECK(__stack_chk_fail in target GNU C library,
+AC_CACHE_CHECK(__stack_chk_fail in target C library,
gcc_cv_libc_provides_ssp,
[gcc_cv_libc_provides_ssp=no
+ case "$target" in
+ *-*-linux*)
if test x$host != x$target || test "x$TARGET_SYSTEM_ROOT" != x; then
if test "x$with_sysroot" = x; then
glibc_header_dir="${exec_prefix}/${target_noncanonical}/sys-include"
+ elif test "x$with_build_sysroot" != "x"; then
+ glibc_header_dir="${with_build_sysroot}/usr/include"
elif test "x$with_sysroot" = xyes; then
glibc_header_dir="${exec_prefix}/${target_noncanonical}/sys-root/usr/include"
else
$glibc_header_dir/features.h > /dev/null; then
gcc_cv_libc_provides_ssp=yes
fi
- fi]) ;;
+ fi
+ ;;
+ *-*-darwin*)
+ AC_CHECK_FUNC(__stack_chk_fail,[gcc_cv_libc_provides_ssp=yes],
+ [echo "no __stack_chk_fail on this target"])
+ ;;
*) gcc_cv_libc_provides_ssp=no ;;
-esac
+ esac])
+
if test x$gcc_cv_libc_provides_ssp = xyes; then
AC_DEFINE(TARGET_LIBC_PROVIDES_SSP, 1,
[Define if your target C library provides stack protector support])
fi
+# Check if TFmode long double should be used by default or not.
+# Some glibc targets used DFmode long double, but with glibc 2.4
+# and later they can use TFmode.
+case "$target" in
+ powerpc*-*-linux* | \
+ powerpc*-*-gnu* | \
+ sparc*-*-linux* | \
+ s390*-*-linux* | \
+ alpha*-*-linux*)
+ AC_ARG_WITH(long-double-128,
+[ --with-long-double-128 Use 128-bit long double by default.],
+ gcc_cv_target_ldbl128="$with_long_double_128",
+ [gcc_cv_target_ldbl128=no
+ if test x$host != x$target || test "x$TARGET_SYSTEM_ROOT" != x; then
+ if test "x$with_sysroot" = x; then
+ glibc_header_dir="${exec_prefix}/${target_noncanonical}/sys-include"
+ elif test "x$with_build_sysroot" != "x"; then
+ glibc_header_dir="${with_build_sysroot}/usr/include"
+ elif test "x$with_sysroot" = xyes; then
+ glibc_header_dir="${exec_prefix}/${target_noncanonical}/sys-root/usr/include"
+ else
+ glibc_header_dir="${with_sysroot}/usr/include"
+ fi
+ else
+ glibc_header_dir=/usr/include
+ fi
+changequote(,)dnl
+ grep '^[ ]*#[ ]*define[ ][ ]*__LONG_DOUBLE_MATH_OPTIONAL' \
+ $glibc_header_dir/bits/wordsize.h > /dev/null 2>&1 \
+ && gcc_cv_target_ldbl128=yes
+changequote([,])dnl
+ ])
+ ;;
+esac
+if test x$gcc_cv_target_ldbl128 = xyes; then
+ AC_DEFINE(TARGET_DEFAULT_LONG_DOUBLE_128, 1,
+ [Define if TFmode long double should be the default])
+fi
+
# Find out what GC implementation we want, or may, use.
AC_ARG_WITH(gc,
[ --with-gc={page,zone} choose the garbage collection mechanism to use
# Make empty files to contain the specs and options for each language.
# Then add #include lines to for a compiler that has specs and/or options.
+subdirs=
lang_opt_files=
lang_specs_files=
lang_tree_files=
-for subdir in . $subdirs
-do
- if test -f $srcdir/$subdir/lang.opt; then
- lang_opt_files="$lang_opt_files $srcdir/$subdir/lang.opt"
- fi
- if test -f $srcdir/$subdir/lang-specs.h; then
- lang_specs_files="$lang_specs_files $srcdir/$subdir/lang-specs.h"
- fi
- if test -f $srcdir/$subdir/$subdir-tree.def; then
- lang_tree_files="$lang_tree_files $srcdir/$subdir/$subdir-tree.def"
- fi
-done
-
# These (without "all_") are set in each config-lang.in.
# `language' must be a single word so is spelled singularly.
all_languages=
-all_boot_languages=
all_compilers=
-all_stagestuff=
-all_outputs='Makefile gccbug mklibgcc libada-mk'
+all_outputs='Makefile gccbug libada-mk'
# List of language makefile fragments.
all_lang_makefrags=
# List of language subdirectory makefiles. Deprecated.
all_lang_makefiles=
-# Files for gengtype
+# Additional files for gengtype
all_gtfiles="$target_gtfiles"
-# Files for gengtype with language
-all_gtfiles_files_langs=
-all_gtfiles_files_files=
+
+# These are the languages that are set in --enable-languages,
+# and are available in the GCC tree.
+all_selected_languages=
# Add the language fragments.
# Languages are added via two mechanisms. Some information must be
language_hooks="Make-hooks"
-for s in $subdirs
+for lang in ${srcdir}/*/config-lang.in
do
- language=
- boot_language=
- compilers=
- stagestuff=
- outputs=
- gtfiles=
- . ${srcdir}/$s/config-lang.in
- if test "x$language" = x
- then
- echo "${srcdir}/$s/config-lang.in doesn't set \$language." 1>&2
- exit 1
- fi
- all_lang_makefrags="$all_lang_makefrags \$(srcdir)/$s/Make-lang.in"
- if test -f ${srcdir}/$s/Makefile.in
- then all_lang_makefiles="$s/Makefile"
- fi
- all_languages="$all_languages $language"
- if test "x$boot_language" = xyes
- then
- all_boot_languages="$all_boot_languages $language"
- fi
- all_compilers="$all_compilers $compilers"
- all_stagestuff="$all_stagestuff $stagestuff"
- all_outputs="$all_outputs $outputs"
- all_gtfiles="$all_gtfiles $gtfiles"
- for f in $gtfiles
- do
- all_gtfiles_files_langs="$all_gtfiles_files_langs ${s} "
- all_gtfiles_files_files="$all_gtfiles_files_files ${f} "
- done
+changequote(,)dnl
+ test "$lang" = "${srcdir}/*/config-lang.in" && continue
+
+ lang_alias=`sed -n -e 's,^language=['"'"'"'"]\(.*\)["'"'"'"'].*$,\1,p' -e 's,^language=\([^ ]*\).*$,\1,p' $lang`
+ if test "x$lang_alias" = x
+ then
+ echo "$lang doesn't set \$language." 1>&2
+ exit 1
+ fi
+ subdir="`echo $lang | sed -e 's,^.*/\([^/]*\)/config-lang.in$,\1,'`"
+ subdirs="$subdirs $subdir"
+ case ",$enable_languages," in
+ *,$lang_alias,*)
+ all_selected_languages="$all_selected_languages $lang_alias"
+ if test -f $srcdir/$subdir/lang-specs.h; then
+ lang_specs_files="$lang_specs_files $srcdir/$subdir/lang-specs.h"
+ fi
+ ;;
+ esac
+changequote([,])dnl
+
+ language=
+ boot_language=
+ compilers=
+ outputs=
+ gtfiles=
+ subdir_requires=
+ . ${srcdir}/$subdir/config-lang.in
+ if test "x$language" = x
+ then
+ echo "${srcdir}/$subdir/config-lang.in doesn't set \$language." 1>&2
+ exit 1
+ fi
+
+ ok=:
+ case ",$enable_languages," in
+ *,$lang_alias,*) ;;
+ *)
+ for i in $subdir_requires; do
+ test -f "${srcdir}/$i/config-lang.in" && continue
+ ok=false
+ break
+ done
+ ;;
+ esac
+ $ok || continue
+
+ all_lang_makefrags="$all_lang_makefrags \$(srcdir)/$subdir/Make-lang.in"
+ if test -f $srcdir/$subdir/lang.opt; then
+ lang_opt_files="$lang_opt_files $srcdir/$subdir/lang.opt"
+ fi
+ if test -f $srcdir/$subdir/$subdir-tree.def; then
+ lang_tree_files="$lang_tree_files $srcdir/$subdir/$subdir-tree.def"
+ fi
+ if test -f ${srcdir}/$subdir/Makefile.in
+ then all_lang_makefiles="$subdir/Makefile"
+ fi
+ all_languages="$all_languages $language"
+ all_compilers="$all_compilers $compilers"
+ all_outputs="$all_outputs $outputs"
+ all_gtfiles="$all_gtfiles [[$subdir]] $gtfiles"
done
# Pick up gtfiles for c
gtfiles=
-s="c"
. ${srcdir}/c-config-lang.in
-all_gtfiles="$all_gtfiles $gtfiles"
-for f in $gtfiles
-do
- all_gtfiles_files_langs="$all_gtfiles_files_langs ${s} "
- all_gtfiles_files_files="$all_gtfiles_files_files ${f} "
-done
+all_gtfiles="$all_gtfiles [[c]] $gtfiles"
check_languages=
-for language in $all_languages
+for language in $all_selected_languages
do
- check_languages="$check_languages check-$language"
+ check_languages="$check_languages check-$language"
done
# We link each language in with a set of hooks, reached indirectly via
-# lang.${target}.
+# lang.${target}. Only do so for selected languages.
rm -f Make-hooks
touch Make-hooks
target_list="all.cross start.encap rest.encap tags \
- install-common install-man \
- uninstall info man srcextra srcman srcinfo \
- mostlyclean clean distclean maintainer-clean \
- stage1 stage2 stage3 stage4 stageprofile stagefeedback"
+ install-common install-man install-info install-pdf dvi pdf \
+ html uninstall info man srcextra srcman srcinfo \
+ mostlyclean clean distclean maintainer-clean"
+
for t in $target_list
do
x=
- for lang in $all_languages
+ for lang in $all_selected_languages
do
- x="$x $lang.$t"
+ x="$x $lang.$t"
done
echo "lang.$t: $x" >> Make-hooks
done
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)$(target_noncanonical)'
AC_SUBST(gcc_tooldir)
AC_SUBST(dollar)
installed in a compiler-specific directory])
AC_ARG_WITH(slibdir,
-[ --with-slibdir=DIR shared libraries in DIR [LIBDIR]],
+[ --with-slibdir=DIR shared libraries in DIR [[LIBDIR]]],
slibdir="$with_slibdir",
if test "${enable_version_specific_runtime_libs+set}" = set; then
slibdir='$(libsubdir)'
objdir=`${PWDCMD-pwd}`
AC_SUBST(objdir)
+AC_ARG_WITH(datarootdir,
+[ --with-datarootdir=DIR Use DIR as the data root [[PREFIX/share]]],
+datarootdir="\${prefix}/$with_datarootdir",
+datarootdir='$(prefix)/share')
+AC_SUBST(datarootdir)
+
+AC_ARG_WITH(docdir,
+[ --with-docdir=DIR Install documentation in DIR [[DATAROOTDIR]]],
+docdir="\${prefix}/$with_docdir",
+docdir='$(datarootdir)')
+AC_SUBST(docdir)
+
+AC_ARG_WITH(htmldir,
+[ --with-htmldir=DIR html documentation in in DIR [[DOCDIR]]],
+htmldir="\${prefix}/$with_htmldir",
+htmldir='$(docdir)')
+AC_SUBST(htmldir)
+
# Substitute configuration variables
AC_SUBST(subdirs)
AC_SUBST(srcdir)
-AC_SUBST(all_boot_languages)
AC_SUBST(all_compilers)
AC_SUBST(all_gtfiles)
-AC_SUBST(all_gtfiles_files_langs)
-AC_SUBST(all_gtfiles_files_files)
AC_SUBST(all_lang_makefrags)
AC_SUBST(all_lang_makefiles)
AC_SUBST(all_languages)
-AC_SUBST(all_stagestuff)
+AC_SUBST(all_selected_languages)
AC_SUBST(build_exeext)
AC_SUBST(build_install_headers_dir)
AC_SUBST(build_xm_file_list)
AC_SUBST(build_xm_include_list)
AC_SUBST(build_xm_defines)
AC_SUBST(check_languages)
-AC_SUBST(cc_set_by_configure)
-AC_SUBST(quoted_cc_set_by_configure)
AC_SUBST(cpp_install_dir)
AC_SUBST(xmake_file)
AC_SUBST(tmake_file)
AC_SUBST(float_h_file)
AC_SUBST(gcc_config_arguments)
AC_SUBST(gcc_gxx_include_dir)
-AC_SUBST(libstdcxx_incdir)
AC_SUBST(host_exeext)
AC_SUBST(host_xm_file_list)
AC_SUBST(host_xm_include_list)
AC_SUBST(objc_boehm_gc)
AC_SUBST(out_file)
AC_SUBST(out_object_file)
-AC_SUBST(stage_prefix_set_by_configure)
-AC_SUBST(quoted_stage_prefix_set_by_configure)
AC_SUBST(thread_file)
AC_SUBST(tm_file_list)
AC_SUBST(tm_include_list)
do
test -d $d || mkdir $d
done
-# If the host supports symlinks, point stage[1234] at ../stage[1234] so
-# bootstrapping and the installation procedure can still use
-# CC="stage1/xgcc -Bstage1/". If the host doesn't support symlinks,
-# FLAGS_TO_PASS has been modified to solve the problem there.
-# This is virtually a duplicate of what happens in configure.lang; we do
-# an extra check to make sure this only happens if ln -s can be used.
-case "$LN_S" in
- *-s*)
- for d in ${subdirs} ; do
- STARTDIR=`${PWDCMD-pwd}`
- cd $d
- for t in stage1 stage2 stage3 stage4 stageprofile stagefeedback include
- do
- rm -f $t
- $LN_S ../$t $t 2>/dev/null
- done
- cd $STARTDIR
- done
- ;;
-esac
],
[subdirs='$subdirs'])
AC_OUTPUT
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