# Determine the host, build, and target systems
AC_CANONICAL_SYSTEM
+# Determine the noncanonical target name, for directory use.
+_GCC_TOPLEV_NONCANONICAL_TARGET
+
# Determine the target- and build-specific subdirectories
GCC_TOPLEV_SUBDIRS
gcc_AC_C__BOOL
# sizeof(char) is 1 by definition.
+AC_COMPILE_CHECK_SIZEOF(void *)
AC_COMPILE_CHECK_SIZEOF(short)
AC_COMPILE_CHECK_SIZEOF(int)
AC_COMPILE_CHECK_SIZEOF(long)
[ --enable-checking[=LIST]
enable expensive run-time checks. With LIST,
enable only specific categories of checks.
- Categories are: misc,tree,rtl,rtlflag,gc,gcac;
+ Categories are: misc,tree,rtl,rtlflag,gc,gcac,fold;
default is misc,tree,gc,rtlflag],
[ac_checking=
ac_tree_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 ;;
rtl) ac_rtl_checking=1 ;;
gc) ac_gc_checking=1 ;;
gcac) ac_gc_always_collect=1 ;;
+ fold) ac_fold_checking=1 ;;
valgrind) ac_checking_valgrind=1 ;;
*) AC_MSG_ERROR(unknown check category $check) ;;
esac
paranoid mode, validating the entire heap and collecting garbage at
every opportunity. This is extremely expensive.])
fi
+if test x$ac_fold_checking != x ; then
+ AC_DEFINE(ENABLE_FOLD_CHECKING, 1,
+[Define if you want fold checked that it never destructs its argument.
+ This is quite expensive.])
+fi
valgrind_path_defines=
valgrind_command=
if test x$ac_checking_valgrind != x ; then
stabs="$with_stabs",
stabs=no)
-# With ELF
-AC_ARG_WITH(elf,
-[ --with-elf arrange to use ELF instead of host debug format],
-elf="$with_elf",
-elf=no)
-
# Determine whether or not multilibs are enabled.
AC_ARG_ENABLE(multilib,
[ --enable-multilib enable library support for multiple ABIs],
[ --enable-threads enable thread usage for target GCC
--enable-threads=LIB use LIB thread package for target GCC],,
enable_threads='')
-
+# Save in case it gets overwritten in config.gcc
enable_threads_flag=$enable_threads
-# Check if a valid thread package
-case x${enable_threads_flag} in
- x | xno)
- # No threads
- target_thread_file='single'
- ;;
- xyes)
- # default
- target_thread_file=''
- ;;
- xdecosf1 | xirix | xmach | xos2 | xposix | xpthreads | xsingle | \
- xsolaris | xwin32 | xdce | xrtems| xvxworks | xaix | xgnat)
- target_thread_file=$enable_threads_flag
- ;;
- *)
- echo "$enable_threads is an unknown thread package" 1>&2
- exit 1
- ;;
-esac
AC_ARG_ENABLE(objc-gc,
[ --enable-objc-gc enable the use of Boehm's garbage collector with
[ --with-sysroot[=DIR] Search for usr/lib, usr/include, et al, within DIR.],
[
case ${with_sysroot} in
- yes) TARGET_SYSTEM_ROOT='${exec_prefix}/${target_alias}/sys-root' ;;
+ yes) TARGET_SYSTEM_ROOT='${exec_prefix}/${target_noncanonical}/sys-root' ;;
*) TARGET_SYSTEM_ROOT=$with_sysroot ;;
esac
AC_SUBST(TARGET_SYSTEM_ROOT_DEFINE)
AC_SUBST(CROSS_SYSTEM_HEADER_DIR)
+# Build with intermodule optimisations
+AC_ARG_ENABLE(intermodule,
+[ --enable-intermodule build the compiler in one step],
+[case ${enable_intermodule} in
+ yes) onestep="-onestep";;
+ *) onestep="";;
+esac],
+[onestep=""])
+AC_SUBST(onestep)
+
# -------------------------
# Checks for other programs
# -------------------------
AC_PROG_RANLIB
gcc_AC_PROG_INSTALL
+# See if cmp has --ignore-initial.
+gcc_AC_PROG_CMP_IGNORE_INITIAL
+
# See if we have the mktemp command.
AC_CHECK_PROG(have_mktemp_command, mktemp, yes, no)
GENERATED_MANPAGES=
fi
-# 'make compare' can be significantly faster, if cmp itself can
-# skip bytes instead of using tail. The test being performed is
-# "if cmp --ignore-initial=2 t1 t2 && ! cmp --ignore-initial=1 t1 t2"
-# but we need to sink errors and handle broken shells.
-AC_MSG_CHECKING([for cmp's capabilities])
-echo abfoo >t1
-echo cdfoo >t2
-if cmp --ignore-initial=2 t1 t2 > /dev/null 2>&1; then
- if cmp --ignore-initial=1 t1 t2 > /dev/null 2>&1; then
- make_compare_target=slowcompare
- else
- make_compare_target=gnucompare
- fi
-else
- make_compare_target=slowcompare
-fi
-rm t1 t2
-AC_SUBST(make_compare_target)
-AC_MSG_RESULT($make_compare_target)
-
# How about lex?
dnl Don't use AC_PROG_LEX; we insist on flex.
dnl LEXLIB is not useful in gcc.
AC_CHECK_HEADERS(limits.h stddef.h string.h strings.h stdlib.h time.h \
fcntl.h unistd.h sys/file.h sys/time.h sys/mman.h \
sys/resource.h sys/param.h sys/times.h sys/stat.h \
- direct.h malloc.h langinfo.h ldfcn.h wchar.h)
+ direct.h malloc.h langinfo.h ldfcn.h locale.h wchar.h)
# Check for thread headers.
AC_CHECK_HEADER(thread.h, [have_thread_h=yes], [have_thread_h=])
AC_CHECK_FUNCS(times clock dup2 kill getrlimit setrlimit atoll atoq \
sysconf strsignal putc_unlocked fputc_unlocked fputs_unlocked \
- fwrite_unlocked fprintf_unlocked getrusage nl_langinfo lstat \
- scandir alphasort gettimeofday mbstowcs wcswidth mmap mincore)
+ fwrite_unlocked fprintf_unlocked getrusage nl_langinfo \
+ scandir alphasort gettimeofday mbstowcs wcswidth mmap mincore \
+ setlocale)
if test x$ac_cv_func_mbstowcs = xyes; then
AC_CACHE_CHECK(whether mbstowcs works, gcc_cv_func_mbstowcs_works,
fi
fi
-AC_CHECK_TYPE(ssize_t, int)
+gcc_AC_CHECK_TYPE(ssize_t, int)
# Try to determine the array type of the second argument of getgroups
# for the target system (int or gid_t).
gcc_AC_FUNC_MMAP_BLACKLIST
case "${host}" in
-*-*-uwin*)
- AC_MSG_ERROR([
-*** UWIN may not be used as a host platform because
-*** linking with posix.dll is not allowed by the GNU GPL])
- ;;
*-*-*vms*)
- # Under VMS, vfork works very different than on Unix. The standard test
+ # Under VMS, vfork works very differently than on Unix. The standard test
# won't work, and it isn't easily adaptable. It makes more sense to
# just force it.
ac_cv_func_vfork_works=yes
AC_FUNC_VFORK
AM_ICONV
+# Until we have in-tree GNU iconv:
+LIBICONV_DEP=
+AC_SUBST(LIBICONV_DEP)
+
+AM_LC_MESSAGES
# We will need to find libiberty.h and ansidecl.h
saved_CFLAGS="$CFLAGS"
AC_DEFINE_UNQUOTED(CONFIG_SJLJ_EXCEPTIONS, $sjlj,
[Define 0/1 to force the choice for exception handling model.])])
-AC_CHECK_LIB(unwind, main, use_libunwind_default=yes, use_libunwind_default=no)
+if test x$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],
# Build, host, and target specific configuration fragments
# --------------------------------------------------------
+# Collect build-machine-specific information.
+. ${srcdir}/config.build
+
+# Collect host-machine-specific information.
+. ${srcdir}/config.host
+
target_gtfiles=
-build_xm_file=
-build_xm_defines=
-build_install_headers_dir=install-headers-tar
-build_exeext=
-host_xm_file=
-host_xm_defines=
-host_xmake_file=
-host_exeext=
-
-# Decode the host machine, then the target machine.
-# For the host machine, we save the xm_file variable as host_xm_file;
-# then we decode the target machine and forget everything else
-# that came from the host machine.
-for machine in $build $host $target; do
- . ${srcdir}/config.gcc
-done
+
+# Collect target-machine-specific information.
+. ${srcdir}/config.gcc
extra_objs="${host_extra_objs} ${extra_objs}"
fi
fi
-if test x$thread_file = x; then
- if test x$target_thread_file != x; then
- thread_file=$target_thread_file
- else
- thread_file='single'
- fi
+# Check if a valid thread package
+case ${enable_threads_flag} in
+ "" | no)
+ # No threads
+ target_thread_file='single'
+ ;;
+ yes)
+ # default
+ target_thread_file='single'
+ ;;
+ aix | dce | gnat | irix | posix | rtems | \
+ single | solaris | vxworks | win32 )
+ target_thread_file=${enable_threads_flag}
+ ;;
+ *)
+ echo "${enable_threads_flag} is an unknown thread package" 1>&2
+ exit 1
+ ;;
+esac
+
+if test x${thread_file} = x; then
+ # No thread file set by target-specific clauses in config.gcc,
+ # so use file chosen by default logic above
+ thread_file=${target_thread_file}
fi
if test x$enable___cxa_atexit = xyes || \
if test -n "$extra_modes" && test -f $srcdir/config/$extra_modes; then
extra_modes_file='$(srcdir)'/config/${extra_modes}
AC_SUBST(extra_modes_file)
- AC_DEFINE_UNQUOTED(EXTRA_MODES_FILE, "$extra_modes",
+ AC_DEFINE_UNQUOTED(EXTRA_MODES_FILE, "config/$extra_modes",
[Define to the name of a file containing a list of extra machine modes
for this architecture.])
- AC_DEFINE(EXTRA_CC_MODES, 1,
- [Define if the target architecture needs extra machine modes to represent
- the results of comparisons.])
fi
# auto-host.h is the file containing items generated by autoconf and is
else
gcc_config_arguments="$TOPLEVEL_CONFIGURE_ARGUMENTS"
fi
+
+# Double all backslashes and backslash all quotes to turn
+# gcc_config_arguments into a C string.
+sed -e 's/\\/\\\\/g; s/"/\\"/g' <<EOF >conftest.out
+$gcc_config_arguments
+EOF
+gcc_config_arguments_str=`cat conftest.out`
+rm -f conftest.out
+
cat > configargs.h <<EOF
/* Generated automatically. */
-static const char configuration_arguments[] = "$gcc_config_arguments";
+static const char configuration_arguments[] = "$gcc_config_arguments_str";
static const char thread_model[] = "$thread_file";
static const struct {
AC_SUBST(PACKAGE)
AC_SUBST(VERSION)
-# Enable NLS support by default
-AC_ARG_ENABLE(nls,
- [ --enable-nls use Native Language Support (default)],
- , enable_nls=yes)
-
-# if cross compiling, disable NLS support.
-# It's not worth the trouble, at least for now.
-
-if test "${build}" != "${host}" && test "x$enable_nls" = "xyes"; then
- AC_MSG_WARN(Disabling NLS support for canadian cross compiler.)
- enable_nls=no
-fi
+ZW_GNU_GETTEXT_SISTER_DIR
-CY_GNU_GETTEXT
+# If LIBINTL contains LIBICONV, then clear LIBICONV so we don't get
+# -liconv on the link line twice.
+case "$LIBINTL" in *$LIBICONV*)
+ LIBICONV= ;;
+esac
# Windows32 Registry support for specifying GCC installation paths.
AC_ARG_ENABLE(win32-registry,
cd $holddir
# Conditionalize the makefile for this host machine.
-# Make-host contains the concatenation of all host makefile fragments
-# [there can be more than one]. This file is built by configure.frag.
-host_overrides=Make-host
-dep_host_xmake_file=
-for f in .. ${host_xmake_file}
+xmake_file=
+for f in ${host_xmake_file}
do
if test -f ${srcdir}/config/$f
then
- dep_host_xmake_file="${dep_host_xmake_file} ${srcdir}/config/$f"
+ xmake_file="${xmake_file} \$(srcdir)/config/$f"
fi
done
# Conditionalize the makefile for this target machine.
-# Make-target contains the concatenation of all host makefile fragments
-# [there can be more than one]. This file is built by configure.frag.
-target_overrides=Make-target
-dep_tmake_file=
-for f in .. ${tmake_file}
+tmake_file_=
+for f in ${tmake_file}
do
if test -f ${srcdir}/config/$f
then
- dep_tmake_file="${dep_tmake_file} ${srcdir}/config/$f"
+ tmake_file_="${tmake_file_} \$(srcdir)/config/$f"
fi
done
+tmake_file="${tmake_file_}"
symbolic_link='ln -s'
out_object_file=`basename $out_file .c`.o
tm_file_list=
+tm_include_list=
for f in $tm_file; do
case $f in
- ansidecl.h )
- tm_file_list="${tm_file_list} \$(srcdir)/../include/ansidecl.h" ;;
defaults.h )
- tm_file_list="${tm_file_list} \$(srcdir)/$f" ;;
- *) tm_file_list="${tm_file_list} \$(srcdir)/config/$f" ;;
+ tm_file_list="${tm_file_list} \$(srcdir)/$f"
+ tm_include_list="${tm_include_list} $f"
+ ;;
+ * )
+ tm_file_list="${tm_file_list} \$(srcdir)/config/$f"
+ tm_include_list="${tm_include_list} config/$f"
+ ;;
esac
done
tm_p_file_list=
+tm_p_include_list=
for f in $tm_p_file; do
case $f in
tm-preds.h )
- tm_p_file_list="${tm_p_file_list} $f" ;;
- *) tm_p_file_list="${tm_p_file_list} \$(srcdir)/config/$f" ;;
+ tm_p_file_list="${tm_p_file_list} $f"
+ tm_p_include_list="${tm_p_include_list} $f"
+ ;;
+ * )
+ tm_p_file_list="${tm_p_file_list} \$(srcdir)/config/$f"
+ tm_p_include_list="${tm_p_include_list} config/$f"
+ esac
+done
+
+xm_file_list=
+xm_include_list=
+for f in $xm_file; do
+ case $f in
+ ansidecl.h )
+ xm_file_list="${xm_file_list} \$(srcdir)/../include/$f"
+ xm_include_list="${xm_include_list} $f"
+ ;;
+ auto-host.h )
+ xm_file_list="${xm_file_list} $f"
+ xm_include_list="${xm_include_list} $f"
+ ;;
+ * )
+ xm_file_list="${xm_file_list} \$(srcdir)/config/$f"
+ xm_include_list="${xm_include_list} config/$f"
+ ;;
esac
done
host_xm_file_list=
+host_xm_include_list=
for f in $host_xm_file; do
case $f in
ansidecl.h )
- host_xm_file_list="${host_xm_file_list} \$(srcdir)/../include/ansidecl.h" ;;
+ host_xm_file_list="${host_xm_file_list} \$(srcdir)/../include/$f"
+ host_xm_include_list="${host_xm_include_list} $f"
+ ;;
auto-host.h )
- host_xm_file_list="${host_xm_file_list} $f" ;;
- defaults.h )
- host_xm_file_list="${host_xm_file_list} \$(srcdir)/$f" ;;
- *) host_xm_file_list="${host_xm_file_list} \$(srcdir)/config/$f" ;;
+ host_xm_file_list="${host_xm_file_list} $f"
+ host_xm_include_list="${host_xm_include_list} $f"
+ ;;
+ * )
+ host_xm_file_list="${host_xm_file_list} \$(srcdir)/config/$f"
+ host_xm_include_list="${host_xm_include_list} config/$f"
+ ;;
esac
done
for f in $build_xm_file; do
case $f in
ansidecl.h )
- build_xm_file_list="${build_xm_file_list} \$(srcdir)/../include/ansidecl.h" ;;
+ build_xm_file_list="${build_xm_file_list} \$(srcdir)/../include/$f"
+ build_xm_include_list="${build_xm_include_list} $f"
+ ;;
auto-build.h | auto-host.h )
- build_xm_file_list="${build_xm_file_list} $f" ;;
- defaults.h )
- host_xm_file_list="${host_xm_file_list} \$(srcdir)/$f" ;;
- *) build_xm_file_list="${build_xm_file_list} \$(srcdir)/config/$f" ;;
+ build_xm_file_list="${build_xm_file_list} $f"
+ build_xm_include_list="${build_xm_include_list} $f"
+ ;;
+ * )
+ build_xm_file_list="${build_xm_file_list} \$(srcdir)/config/$f"
+ build_xm_include_list="${build_xm_include_list} config/$f"
+ ;;
esac
done
ALL=all.cross
SYSTEM_HEADER_DIR='$(CROSS_SYSTEM_HEADER_DIR)'
case "$host","$target" in
+ # Darwin crosses can use the host system's libraries and headers,
+ # because of the fat library support. Of course, it must be the
+ # same version of Darwin on both sides. Allow the user to
+ # just say --target=foo-darwin without a version number to mean
+ # "the version on this system".
+ *-*-darwin*,*-*-darwin*)
+ hostos=`echo $host | sed 's/.*-darwin/darwin/'`
+ targetos=`echo $target | sed 's/.*-darwin/darwin/'`
+ if test $hostos = $targetos -o $targetos = darwin ; then
+ CROSS=
+ SYSTEM_HEADER_DIR='$(NATIVE_SYSTEM_HEADER_DIR)'
+ with_headers=yes
+ fi
+ ;;
+
i?86-*-*,x86_64-*-* \
| powerpc*-*-*,powerpc64*-*-*)
CROSS="$CROSS -DNATIVE_CROSS" ;;
inhibit_libc=
if { { test x$host != x$target && test "x$with_sysroot" = x ; } ||
test x$with_newlib = xyes ; } &&
- test "x$with_headers" = x ; then
+ { test "x$with_headers" = x || test "x$with_headers" = xno ; } ; then
inhibit_libc=-Dinhibit_libc
fi
AC_SUBST(inhibit_libc)
BUILD_CFLAGS='$(ALL_CFLAGS)' AC_SUBST(BUILD_CFLAGS)
STMP_FIXINC=stmp-fixinc AC_SUBST(STMP_FIXINC)
-STMP_FIXPROTO=stmp-fixproto AC_SUBST(STMP_FIXPROTO)
-# And these apply if build != host.
-if test x$build != x$host
+# Possibly disable fixproto, on a per-target basis.
+case ${use_fixproto} in
+ no)
+ STMP_FIXPROTO=
+ ;;
+ yes)
+ STMP_FIXPROTO=stmp-fixproto
+ ;;
+esac
+AC_SUBST(STMP_FIXPROTO)
+
+# And these apply if build != host, or we are generating coverage data
+if test x$build != x$host || test "x$coverage_flags" != x
then
BUILD_PREFIX=build-
BUILD_PREFIX_1=build-
# Expand extra_headers to include complete path.
# This substitutes for lots of t-* files.
extra_headers_list=
-if test "x$extra_headers" = x
-then true
-else
- # Prepend ${srcdir}/config/${cpu_type}/ to every entry in extra_headers.
- for file in $extra_headers;
- do
- extra_headers_list="${extra_headers_list} \$(srcdir)/config/${cpu_type}/${file}"
- done
-fi
+# Prepend $(srcdir)/config/${cpu_type}/ to every entry in extra_headers.
+for file in ${extra_headers} ; do
+ extra_headers_list="${extra_headers_list} \$(srcdir)/config/${cpu_type}/${file}"
+done
# Add a definition of USE_COLLECT2 if system wants one.
case $use_collect2 in
gcc_cv_as=`echo as | sed ${program_transform_name}`$host_exeext
fi
- test_dirs="$test_prefix/lib/gcc-lib/$target_alias/$gcc_version \
- $test_prefix/lib/gcc-lib/$target_alias \
- /usr/lib/gcc/$target_alias/$gcc_version \
- /usr/lib/gcc/$target_alias \
- $test_prefix/$target_alias/bin/$target_alias/$gcc_version \
- $test_prefix/$target_alias/bin"
+ test_dirs="$test_prefix/lib/gcc-lib/$target_noncanonical/$gcc_version \
+ $test_prefix/lib/gcc-lib/$target_noncanonical \
+ /usr/lib/gcc/$target_noncanonical/$gcc_version \
+ /usr/lib/gcc/$target_noncanonical \
+ $test_prefix/$target_noncanonical/bin/$target_noncanonical/$gcc_version \
+ $test_prefix/$target_noncanonical/bin"
if test x$host = x$target; then
test_dirs="$test_dirs \
gcc_cv_ld=`echo ld | sed ${program_transform_name}`$host_exeext
fi
- test_dirs="$test_prefix/lib/gcc-lib/$target_alias/$gcc_version \
- $test_prefix/lib/gcc-lib/$target_alias \
- /usr/lib/gcc/$target_alias/$gcc_version \
- /usr/lib/gcc/$target_alias \
- $test_prefix/$target_alias/bin/$target_alias/$gcc_version \
- $test_prefix/$target_alias/bin"
+ test_dirs="$test_prefix/lib/gcc-lib/$target_noncanonical/$gcc_version \
+ $test_prefix/lib/gcc-lib/$target_noncanonical \
+ /usr/lib/gcc/$target_noncanonical/$gcc_version \
+ /usr/lib/gcc/$target_noncanonical \
+ $test_prefix/$target_noncanonical/bin/$target_noncanonical/$gcc_version \
+ $test_prefix/$target_noncanonical/bin"
if test x$host = x$target; then
test_dirs="$test_dirs \
esac
# Figure out what assembler alignment features are present.
-AC_MSG_CHECKING(assembler alignment features)
-gcc_cv_as_alignment_features=none
-if test $in_tree_gas = yes; then
- # Gas version 2.6 and later support for .balign and .p2align.
- gcc_GAS_VERSION_GTE_IFELSE(2,6,0,[
- gcc_cv_as_alignment_features=".balign and .p2align"
- AC_DEFINE(HAVE_GAS_BALIGN_AND_P2ALIGN)
- ])
- # Gas version 2.8 and later support specifying the maximum
- # bytes to skip when using .p2align.
- gcc_GAS_VERSION_GTE_IFELSE(2,8,0,[
- gcc_cv_as_alignment_features=".p2align including maximum skip"
- AC_DEFINE(HAVE_GAS_MAX_SKIP_P2ALIGN)
- ])
-elif test x$gcc_cv_as != x; then
- # Check if we have .balign and .p2align
- echo ".balign 4" > conftest.s
- echo ".p2align 2" >> conftest.s
- if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
- gcc_cv_as_alignment_features=".balign and .p2align"
- AC_DEFINE(HAVE_GAS_BALIGN_AND_P2ALIGN)
- fi
- rm -f conftest.s conftest.o
- # Check if specifying the maximum bytes to skip when
- # using .p2align is supported.
- echo ".p2align 4,,7" > conftest.s
- if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
- gcc_cv_as_alignment_features=".p2align including maximum skip"
- AC_DEFINE(HAVE_GAS_MAX_SKIP_P2ALIGN)
- fi
- rm -f conftest.s conftest.o
-fi
-AC_MSG_RESULT($gcc_cv_as_alignment_features)
-
-AC_MSG_CHECKING(assembler subsection support)
-gcc_cv_as_subsections=no
-if test $in_tree_gas = yes ; then
- gcc_GAS_VERSION_GTE_IFELSE(2,9,0,[
- test $in_tree_gas_is_elf = yes \
- && gcc_cv_as_subsections="working .subsection -1"
- ])
-elif test x$gcc_cv_as != x; then
- # Check if we have .subsection
- echo ".subsection 1" > conftest.s
- if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
- gcc_cv_as_subsections=".subsection"
- if test x$gcc_cv_nm != x; then
- cat > conftest.s <<EOF
-conftest_label1: .word 0
+gcc_GAS_CHECK_FEATURE([.balign and .p2align], gcc_cv_as_balign_and_p2align,
+ [2,6,0],,
+[.balign 4
+.p2align 2],,
+[AC_DEFINE(HAVE_GAS_BALIGN_AND_P2ALIGN, 1,
+ [Define if your assembler supports .balign and .p2align.])])
+
+gcc_GAS_CHECK_FEATURE([.p2align with maximum skip], gcc_cv_as_max_skip_p2align,
+ [2,8,0],,
+ [.p2align 4,,7],,
+[AC_DEFINE(HAVE_GAS_MAX_SKIP_P2ALIGN, 1,
+ [Define if your assembler supports specifying the maximum number
+ of bytes to skip when using the GAS .p2align command.])])
+
+gcc_GAS_CHECK_FEATURE([working .subsection -1], gcc_cv_as_subsection_m1,
+ [elf,2,9,0],,
+ [conftest_label1: .word 0
.subsection -1
conftest_label2: .word 0
-.previous
-EOF
- if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
- $gcc_cv_nm conftest.o | grep conftest_label1 > conftest.nm1
- $gcc_cv_nm conftest.o | grep conftest_label2 | sed -e 's/label2/label1/' > conftest.nm2
- if cmp conftest.nm1 conftest.nm2 > /dev/null 2>&1; then
- :
- else
- gcc_cv_as_subsections="working .subsection -1"
- fi
- fi
- fi
- fi
- rm -f conftest.s conftest.o conftest.nm1 conftest.nm2
-fi
-if test x"$gcc_cv_as_subsections" = x"working .subsection -1"; then
- AC_DEFINE(HAVE_GAS_SUBSECTION_ORDERING, 1,
-[Define if your assembler supports .subsection and .subsection -1 starts
- emitting at the beginning of your section.])
-fi
-AC_MSG_RESULT($gcc_cv_as_subsections)
-
-AC_MSG_CHECKING(assembler weak support)
-gcc_cv_as_weak=no
-if test $in_tree_gas = yes ; then
- gcc_GAS_VERSION_GTE_IFELSE(2,2,0,[
- gcc_cv_as_weak="yes"
- ])
-elif test x$gcc_cv_as != x; then
- # Check if we have .weak
- echo " .weak foobar" > conftest.s
- if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
- gcc_cv_as_weak="yes"
- fi
- rm -f conftest.s conftest.o conftest.nm1 conftest.nm2
-fi
-if test x"$gcc_cv_as_weak" = xyes; then
- AC_DEFINE(HAVE_GAS_WEAK, 1, [Define if your assembler supports .weak.])
-fi
-AC_MSG_RESULT($gcc_cv_as_weak)
-
-AC_MSG_CHECKING(assembler hidden support)
-gcc_cv_as_hidden=no
-if test $in_tree_gas = yes ; then
- gcc_GAS_VERSION_GTE_IFELSE(2,12,1,[
- test $in_tree_gas_is_elf = yes && gcc_cv_as_hidden="yes"
- ])
-elif test x$gcc_cv_as != x; then
- # Check if we have .hidden
- echo " .hidden foobar" > conftest.s
- echo "foobar:" >> conftest.s
- if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
- gcc_cv_as_hidden="yes"
- fi
- rm -f conftest.s conftest.o conftest.nm1 conftest.nm2
-
- # GNU LD versions before 2.12.1 have buggy support for STV_HIDDEN.
- # This is irritatingly difficult to feature test for. Look for
- # the date string after the version number.
- ld_ver=`$gcc_cv_ld --version 2>/dev/null | head -1`
- if echo "$ld_ver" | grep GNU > /dev/null; then
+.previous],
+ [if test x$gcc_cv_nm != x; then
+ $gcc_cv_nm conftest.o | grep conftest_label1 > conftest.nm1
+ $gcc_cv_nm conftest.o | grep conftest_label2 | sed -e 's/label2/label1/' > conftest.nm2
+ if cmp conftest.nm1 conftest.nm2 > /dev/null 2>&1
+ then :
+ else gcc_cv_as_subsection_m1=yes
+ fi
+ rm -f conftest.nm1 conftest.nm2
+ fi],
+ [AC_DEFINE(HAVE_GAS_SUBSECTION_ORDERING, 1,
+ [Define if your assembler supports .subsection and .subsection -1 starts
+ emitting at the beginning of your section.])])
+
+gcc_GAS_CHECK_FEATURE([.weak], gcc_cv_as_weak,
+ [2,2,0],,
+ [ .weak foobar],,
+[AC_DEFINE(HAVE_GAS_WEAK, 1, [Define if your assembler supports .weak.])])
+
+# .hidden needs to be supported in both the assembler and the linker,
+# because GNU LD versions before 2.12.1 have buggy support for STV_HIDDEN.
+# This is irritatingly difficult to feature test for; we have to check the
+# date string after the version number. If we've got an in-tree
+# ld, we don't know its patchlevel version, so we set the baseline at 2.13
+# to be safe.
+# The gcc_GAS_CHECK_FEATURE call just sets a cache variable.
+gcc_GAS_CHECK_FEATURE([.hidden], gcc_cv_as_hidden,
+ [elf,2,13,0],,
+[ .hidden foobar
+foobar:])
+
+AC_CACHE_CHECK(linker for .hidden support, gcc_cv_ld_hidden,
+[if test $in_tree_ld = yes ; then
+ gcc_cv_ld_hidden=no
+ if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 13 -o "$gcc_cv_gld_major_version" -gt 2 \
+ && test $in_tree_ld_is_elf = yes; then
+ gcc_cv_ld_hidden=yes
+ fi
+else
+ gcc_cv_ld_hidden=yes
+ ld_ver=`$gcc_cv_ld --version 2>/dev/null | sed 1q`
+ 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'`
- ld_date=`echo $ld_ver | sed -n 's,^.*\([2-9][0-9][0-9][0-9]\)[-]*\([01][0-9]\)[-]*\([0-3][0-9]\).*$,\1\2\3,p'`
- if test 0"$ld_date" -lt 20020404; then
- if test -n "$ld_date"; then
- # If there was date string, but was earlier than 2002-04-04, fail
- gcc_cv_as_hidden="no"
- elif test -z "$ld_vers"; then
- # If there was no date string nor ld version number, something is wrong
- gcc_cv_as_hidden="no"
- else
- ld_vers_major=`expr "$ld_vers" : '\([0-9]*\)'`
- ld_vers_minor=`expr "$ld_vers" : '[0-9]*\.\([0-9]*\)'`
- ld_vers_patch=`expr "$ld_vers" : '[0-9]*\.[0-9]*\.\([0-9]*\)'`
- test -z "$ld_vers_patch" && ld_vers_patch=0
- if test "$ld_vers_major" -lt 2; then
- gcc_cv_as_hidden="no"
- elif test "$ld_vers_major" -eq 2 -a "$ld_vers_minor" -lt 12; then
- gcc_cv_as_hidden="no"
- elif test "$ld_vers_major" -eq 2 -a "$ld_vers_minor" -eq 12 \
- -a "$ld_vers_patch" -eq 0; then
- gcc_cv_as_hidden="no"
- fi
- fi
- fi
-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'`
+ ld_date=`echo $ld_ver | sed -n 's,^.*\([2-9][0-9][0-9][0-9]\)[-]*\([01][0-9]\)[-]*\([0-3][0-9]\).*$,\1\2\3,p'`
+ if test 0"$ld_date" -lt 20020404; then
+ if test -n "$ld_date"; then
+ # If there was date string, but was earlier than 2002-04-04, fail
+ gcc_cv_ld_hidden=no
+ elif test -z "$ld_vers"; then
+ # If there was no date string nor ld version number, something is wrong
+ gcc_cv_ld_hidden=no
+ else
+ ld_vers_major=`expr "$ld_vers" : '\([0-9]*\)'`
+ ld_vers_minor=`expr "$ld_vers" : '[0-9]*\.\([0-9]*\)'`
+ ld_vers_patch=`expr "$ld_vers" : '[0-9]*\.[0-9]*\.\([0-9]*\)'`
+ test -z "$ld_vers_patch" && ld_vers_patch=0
+ if test "$ld_vers_major" -lt 2; then
+ gcc_cv_ld_hidden=no
+ elif test "$ld_vers_major" -eq 2 -a "$ld_vers_minor" -lt 12; then
+ gcc_cv_ld_hidden="no"
+ elif test "$ld_vers_major" -eq 2 -a "$ld_vers_minor" -eq 12 -a "$ld_vers_patch" -eq 0; then
+ gcc_cv_ld_hidden=no
fi
-fi
-case "$target" in
- mips-sgi-irix6*)
- if test x"$gnu_ld_flag" = x"no"; then
- # Even if using gas with .hidden support, the resulting object files
- # cannot be linked with the IRIX 6 O32 linker. With the N32 and
- # N64 linkers, the problem is that the linker refuses to accept
- # -call_shared (passed by default to the linker) and -r (used to
- # link the object file generated without .hidden directives with
- # one that hides symbols), so we also lose.
- gcc_cv_as_hidden=no
+ fi
+changequote([,])dnl
fi
- ;;
-esac
-if test x"$gcc_cv_as_hidden" = xyes; then
- AC_DEFINE(HAVE_GAS_HIDDEN, 1,
- [Define if your assembler supports .hidden.])
-fi
-AC_MSG_RESULT($gcc_cv_as_hidden)
-libgcc_visibility=$gcc_cv_as_hidden
+ else
+ # non-GNU linkers don't seem to support .hidden yet
+ gcc_cv_ld_hidden=no
+ fi
+fi])
+libgcc_visibility=no
AC_SUBST(libgcc_visibility)
+if test $gcc_cv_as_hidden = yes && test $gcc_cv_ld_hidden = yes; then
+ libgcc_visibility=yes
+ AC_DEFINE(HAVE_GAS_HIDDEN, 1,
+ [Define if your assembler and linker support .hidden.])
+fi
-AC_MSG_CHECKING(assembler leb128 support)
-gcc_cv_as_leb128=no
-if test $in_tree_gas = yes ; then
- gcc_GAS_VERSION_GTE_IFELSE(2,11,0,[
- test $in_tree_gas_is_elf = yes && gcc_cv_as_leb128="yes"
- ])
-elif test x$gcc_cv_as != x; then
- # Check if we have .[us]leb128, and support symbol arithmetic with it.
- cat > conftest.s <<EOF
- .data
+# 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],,
+[ .data
.uleb128 L2 - L1
L1:
.uleb128 1280
.sleb128 -1010
-L2:
-EOF
- if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
- gcc_cv_as_leb128="yes"
-
- # GAS versions before 2.11 do not support uleb128,
- # despite appearing to.
- # ??? There exists an elf-specific test that will crash
- # the assembler. Perhaps it's better to figure out whether
- # arbitrary sections are supported and try the test.
- as_ver=`$gcc_cv_as --version 2>/dev/null | head -1`
- if echo "$as_ver" | grep GNU > /dev/null; then
+L2:],
+ [# GAS versions before 2.11 do not support uleb128,
+ # despite appearing to.
+ # ??? There exists an elf-specific test that will crash
+ # the assembler. Perhaps it's better to figure out whether
+ # arbitrary sections are supported and try the test.
+ as_ver=`$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_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/'`
changequote([,])dnl
- if test $as_major -eq 2 -a $as_minor -lt 11; then
- gcc_cv_as_leb128="no"
- fi
- fi
- fi
- rm -f conftest.s conftest.o conftest.nm1 conftest.nm2
-fi
-if test x"$gcc_cv_as_leb128" = xyes; then
- AC_DEFINE(HAVE_AS_LEB128, 1,
- [Define if your assembler supports .uleb128.])
-fi
-AC_MSG_RESULT($gcc_cv_as_leb128)
-
-AC_MSG_CHECKING(assembler eh_frame optimization)
-gcc_cv_as_eh_frame=no
-if test $in_tree_gas = yes ; then
- gcc_GAS_VERSION_GTE_IFELSE(2,12,0,[
- test $in_tree_gas_is_elf = yes && gcc_cv_as_eh_frame="yes"
- ])
-elif test x$gcc_cv_as != x; then
- # Check if this is GAS.
- as_ver=`$gcc_cv_as --version < /dev/null 2> /dev/null | head -1`
- rm -f a.out 2> /dev/null
- if echo "$as_ver" | grep GNU > /dev/null; then
- # Versions up to and including 2.11.0 may mis-optimize
- # .eh_frame data. Try something.
- cat > conftest.s <<EOF
- .text
+ if test $as_major -eq 2 && test $as_minor -lt 11
+ then :
+ else gcc_cv_as_leb128=yes
+ fi
+ fi],
+ [AC_DEFINE(HAVE_AS_LEB128, 1,
+ [Define if your assembler supports .sleb128 and .uleb128.])])
+
+# GAS versions up to and including 2.11.0 may mis-optimize
+# .eh_frame data.
+gcc_GAS_CHECK_FEATURE(eh_frame optimization, gcc_cv_as_eh_frame,
+ [elf,2,12,0],,
+[ .text
.LFB1:
.4byte 0
.L1:
.4byte .LFE1-.LFB1
.byte 0x4
.4byte .L1-.LFB1
-.LEFDE1:
-EOF
- cat > conftest.lit <<EOF
+.LEFDE1:],
+[ cat > conftest.lit <<EOF
0000 10000000 00000000 017a0001 781a0004 .........z..x...
0010 01000000 12000000 18000000 00000000 ................
0020 08000000 04080000 0044 .........D
EOF
- cat > conftest.big <<EOF
+ cat > conftest.big <<EOF
0000 00000010 00000000 017a0001 781a0004 .........z..x...
0010 00000001 00000012 00000018 00000000 ................
0020 00000008 04000000 0844 .........D
EOF
- # If the assembler didn't choke, and we can objdump,
- # and we got the correct data, then succeed.
- if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1 \
- && $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; }
- then
- gcc_cv_as_eh_frame="yes"
- else
- gcc_cv_as_eh_frame="bad"
- if $gcc_cv_as -o conftest.o --traditional-format /dev/null; then
- AC_DEFINE(USE_AS_TRADITIONAL_FORMAT, 1,
- [Define if your assembler mis-optimizes .eh_frame data.])
- fi
- fi
- fi
- rm -f conftest.*
-fi
-AC_MSG_RESULT($gcc_cv_as_eh_frame)
-
-AC_MSG_CHECKING(assembler section merging support)
-gcc_cv_as_shf_merge=no
-if test $in_tree_gas = yes ; then
- gcc_GAS_VERSION_GTE_IFELSE(2,12,0,[
- test $in_tree_gas_is_elf = yes && gcc_cv_as_shf_merge="yes"
- ])
-elif test x$gcc_cv_as != x; then
- # Check if we support SHF_MERGE sections
- echo '.section .rodata.str, "aMS", @progbits, 1' > conftest.s
- if $gcc_cv_as --fatal-warnings -o conftest.o conftest.s > /dev/null 2>&1; then
- gcc_cv_as_shf_merge=yes
- fi
- rm -f conftest.s conftest.o
-fi
-if test x"$gcc_cv_as_shf_merge" = xyes; then
- AC_DEFINE(HAVE_GAS_SHF_MERGE, 1,
-[Define if your assembler supports marking sections with SHF_MERGE flag.])
+ # If the assembler didn't choke, and we can objdump,
+ # and we got the correct data, then succeed.
+ if test x$gcc_cv_objdump != x \
+ && $gcc_cv_objdump -s -j .eh_frame conftest.o 2>/dev/null \
+ | tail -3 > conftest.got \
+ && { cmp conftest.lit conftest.got > /dev/null 2>&1 \
+ || cmp conftest.big conftest.got > /dev/null 2>&1; }
+ then
+ gcc_cv_as_eh_frame=yes
+ elif AC_TRY_COMMAND($gcc_cv_as -o conftest.o --traditional-format /dev/null); then
+ gcc_cv_as_eh_frame=buggy
+ else
+ # Uh oh, what do we do now?
+ gcc_cv_as_eh_frame=no
+ fi])
+
+if test $gcc_cv_as_eh_frame = buggy; then
+ AC_DEFINE(USE_AS_TRADITIONAL_FORMAT, 1,
+ [Define if your assembler mis-optimizes .eh_frame data.])
fi
-AC_MSG_RESULT($gcc_cv_as_shf_merge)
-AC_MSG_CHECKING(assembler thread-local storage support)
-gcc_cv_as_tls=no
+gcc_GAS_CHECK_FEATURE(section merging support, gcc_cv_as_shf_merge,
+ [elf,2,12,0], [--fatal-warnings],
+ [.section .rodata.str, "aMS", @progbits, 1])
+AC_DEFINE_UNQUOTED(HAVE_GAS_SHF_MERGE,
+ [`if test $gcc_cv_as_shf_merge = yes; then echo 1; else echo 0; fi`],
+[Define 0/1 if your assembler supports marking sections with SHF_MERGE flag.])
+
+# Thread-local storage - the check is heavily parametrized.
conftest_s=
tls_first_major=
tls_first_minor=
tls_first_minor=13
;;
i[34567]86-*-*)
-changequote([,])dnl
conftest_s='
.section ".tdata","awT",@progbits
foo: .long 25
tls_first_minor=14
tls_as_opt="-m64 -Aesame"
;;
+ sh-*-* | sh[34]-*-*)
+ conftest_s='
+ .section ".tdata","awT",@progbits
+foo: .long 25
+ .text
+ .long foo@TLSGD
+ .long foo@TLSLDM
+ .long foo@DTPOFF
+ .long foo@GOTTPOFF
+ .long foo@TPOFF'
+ tls_first_major=2
+ tls_first_minor=13
+ ;;
+ sparc*-*-*)
+ conftest_s='
+ .section ".tdata","awT",@progbits
+foo: .long 25
+ .text
+ sethi %tgd_hi22(foo), %o0
+ add %o0, %tgd_lo10(foo), %o1
+ add %l7, %o1, %o0, %tgd_add(foo)
+ call __tls_get_addr, %tgd_call(foo)
+ sethi %tldm_hi22(foo), %l1
+ add %l1, %tldm_lo10(foo), %l2
+ add %l7, %l2, %o0, %tldm_add(foo)
+ call __tls_get_addr, %tldm_call(foo)
+ sethi %tldo_hix22(foo), %l3
+ xor %l3, %tldo_lox10(foo), %l4
+ add %o0, %l4, %l5, %tldo_add(foo)
+ sethi %tie_hi22(foo), %o3
+ add %o3, %tie_lo10(foo), %o3
+ ld [%l7 + %o3], %o2, %tie_ld(foo)
+ add %g7, %o2, %o4, %tie_add(foo)
+ sethi %tle_hix22(foo), %l1
+ xor %l1, %tle_lox10(foo), %o5
+ ld [%g7 + %o5], %o1'
+ tls_first_major=2
+ tls_first_minor=14
+ tls_as_opt=-32
+ ;;
+changequote([,])dnl
esac
if test -z "$tls_first_major"; then
- :
-elif test $in_tree_gas = yes ; then
- gcc_GAS_VERSION_GTE_IFELSE($tls_first_major,$tls_first_minor,0,[
- gcc_cv_as_tls=yes
- ])
-elif test x$gcc_cv_as != x; then
- echo "$conftest_s" > conftest.s
- if $gcc_cv_as $tls_as_opt --fatal-warnings -o conftest.o conftest.s > /dev/null 2>&1
- then
- gcc_cv_as_tls=yes
- fi
- rm -f conftest.s conftest.o
-fi
-if test "$gcc_cv_as_tls" = yes; then
- AC_DEFINE(HAVE_AS_TLS, 1,
- [Define if your assembler supports thread-local storage.])
+ : # If we don't have a check, assume no support.
+else
+ gcc_GAS_CHECK_FEATURE(thread-local storage support, gcc_cv_as_tls,
+ [$tls_first_major,$tls_first_minor,0], [$tls_as_opt --fatal-warnings],
+ [$conftest_s],,
+ [AC_DEFINE(HAVE_AS_TLS, 1,
+ [Define if your assembler supports thread-local storage.])])
fi
-AC_MSG_RESULT($gcc_cv_as_tls)
+
+# Target-specific assembler checks.
case "$target" in
# All TARGET_ABI_OSF targets.
alpha*-*-osf* | alpha*-*-linux* | alpha*-*-*bsd*)
- AC_CACHE_CHECK([assembler supports explicit relocations],
- gcc_cv_as_explicit_relocs, [
- gcc_cv_as_explicit_relocs=unknown
- if test $in_tree_gas = yes ; then
- gcc_GAS_VERSION_GTE_IFELSE(2,12,0,[
- gcc_cv_as_explicit_relocs=yes
- ])
- elif test x$gcc_cv_as != x; then
- cat > conftest.s << 'EOF'
- .set nomacro
+ gcc_GAS_CHECK_FEATURE([explicit relocation support],
+ gcc_cv_as_alpha_explicit_relocs, [2,12,0],,
+[ .set nomacro
.text
extbl $3, $2, $3 !lituse_bytoff!1
ldq $2, a($29) !literal!1
lda $0, c($29) !gprel
ldah $1, d($29) !gprelhigh
lda $1, d($1) !gprellow
- lda $29, 0($29) !gpdisp!3
-EOF
- if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
- gcc_cv_as_explicit_relocs=yes
- else
- gcc_cv_as_explicit_relocs=no
- fi
- rm -f conftest.s conftest.o
- fi
- ])
- if test "x$gcc_cv_as_explicit_relocs" = xyes; then
- AC_DEFINE(HAVE_AS_EXPLICIT_RELOCS, 1,
- [Define if your assembler supports explicit relocations.])
- fi
+ lda $29, 0($29) !gpdisp!3],,
+ [AC_DEFINE(HAVE_AS_EXPLICIT_RELOCS, 1,
+ [Define if your assembler supports explicit relocations.])])
;;
- sparc*-*-*)
- AC_CACHE_CHECK([assembler .register pseudo-op support],
- gcc_cv_as_register_pseudo_op, [
- gcc_cv_as_register_pseudo_op=unknown
- if test x$gcc_cv_as != x; then
- # Check if we have .register
- echo ".register %g2, #scratch" > conftest.s
- if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
- gcc_cv_as_register_pseudo_op=yes
- else
- gcc_cv_as_register_pseudo_op=no
- fi
- rm -f conftest.s conftest.o
- fi
- ])
- if test "x$gcc_cv_as_register_pseudo_op" = xyes; then
- AC_DEFINE(HAVE_AS_REGISTER_PSEUDO_OP, 1,
- [Define if your assembler supports .register.])
- fi
-
- AC_CACHE_CHECK([assembler supports -relax],
- gcc_cv_as_relax_opt, [
- gcc_cv_as_relax_opt=unknown
- if test x$gcc_cv_as != x; then
- # Check if gas supports -relax
- echo ".text" > conftest.s
- if $gcc_cv_as -relax -o conftest.o conftest.s > /dev/null 2>&1; then
- gcc_cv_as_relax_opt=yes
- else
- gcc_cv_as_relax_opt=no
- fi
- rm -f conftest.s conftest.o
- fi
- ])
- if test "x$gcc_cv_as_relax_opt" = xyes; then
- AC_DEFINE(HAVE_AS_RELAX_OPTION, 1,
- [Define if your assembler supports -relax option.])
- fi
- AC_CACHE_CHECK([assembler and linker support unaligned pc related relocs],
- gcc_cv_as_sparc_ua_pcrel, [
- gcc_cv_as_sparc_ua_pcrel=unknown
- if test x$gcc_cv_as != x -a x$gcc_cv_ld != x; then
- gcc_cv_as_sparc_ua_pcrel=no
- echo ".text; foo: nop; .data; .align 4; .byte 0; .uaword %r_disp32(foo)" > conftest.s
- if $gcc_cv_as -K PIC -o conftest.o conftest.s > /dev/null 2>&1 \
- && $gcc_cv_ld -o conftest conftest.o -G > /dev/null 2>&1; then
- gcc_cv_as_sparc_ua_pcrel=yes
- fi
- rm -f conftest.s conftest.o conftest
- fi
- ])
- if test "x$gcc_cv_as_sparc_ua_pcrel" = xyes; then
- AC_DEFINE(HAVE_AS_SPARC_UA_PCREL, 1,
+ sparc*-*-*)
+ gcc_GAS_CHECK_FEATURE([.register], gcc_cv_as_sparc_register_op,,,
+ [.register %g2, #scratch],,
+ [AC_DEFINE(HAVE_AS_REGISTER_PSEUDO_OP, 1,
+ [Define if your assembler supports .register.])])
+
+ gcc_GAS_CHECK_FEATURE([-relax option], gcc_cv_as_sparc_relax,,
+ [-relax], [.text],,
+ [AC_DEFINE(HAVE_AS_RELAX_OPTION, 1,
+ [Define if your assembler supports -relax option.])])
+
+ gcc_GAS_CHECK_FEATURE([unaligned pcrel relocs],
+ gcc_cv_as_sparc_ua_pcrel,,
+ [-K PIC],
+[.text
+foo:
+ nop
+.data
+.align 4
+.byte 0
+.uaword %r_disp32(foo)],
+ [if test x$gcc_cv_ld != x \
+ && $gcc_cv_ld -o conftest conftest.o -G > /dev/null 2>&1; then
+ gcc_cv_as_sparc_ua_pcrel=yes
+ fi
+ rm -f conftest],
+ [AC_DEFINE(HAVE_AS_SPARC_UA_PCREL, 1,
[Define if your assembler and linker support unaligned PC relative relocs.])
- fi
-
- AC_CACHE_CHECK([assembler and linker support unaligned pc related relocs against hidden symbols],
- gcc_cv_as_sparc_ua_pcrel_hidden, [
- if test "x$gcc_cv_as_sparc_ua_pcrel" = xyes; then
- gcc_cv_as_sparc_ua_pcrel_hidden=unknown
- if test x$gcc_cv_objdump != x; then
- gcc_cv_as_sparc_ua_pcrel_hidden=no
- echo ".data; .align 4; .byte 0x31; .uaword %r_disp32(foo)" > conftest.s
- echo ".byte 0x32, 0x33, 0x34; .global foo; .hidden foo" >> conftest.s
- echo "foo: .skip 4" >> conftest.s
- if $gcc_cv_as -K PIC -o conftest.o conftest.s > /dev/null 2>&1 \
- && $gcc_cv_ld -o conftest conftest.o -G > /dev/null 2>&1 \
- && $gcc_cv_objdump -s -j .data conftest 2> /dev/null \
- | grep ' 31000000 07323334' > /dev/null 2>&1; then
- if $gcc_cv_objdump -R conftest 2> /dev/null \
- | grep 'DISP32' > /dev/null 2>&1; then
- :
- else
- gcc_cv_as_sparc_ua_pcrel_hidden=yes
- fi
- fi
- fi
- rm -f conftest.s conftest.o conftest
- else
- gcc_cv_as_sparc_ua_pcrel_hidden="$gcc_cv_as_sparc_ua_pcrel"
- fi
- ])
- if test "x$gcc_cv_as_sparc_ua_pcrel_hidden" = xyes; then
- AC_DEFINE(HAVE_AS_SPARC_UA_PCREL_HIDDEN, 1,
- [Define if your assembler and linker support unaligned PC relative relocs against hidden symbols.])
- fi
- AC_CACHE_CHECK([for assembler offsetable %lo() support],
- gcc_cv_as_offsetable_lo10, [
- gcc_cv_as_offsetable_lo10=unknown
- if test "x$gcc_cv_as" != x; then
- # Check if assembler has offsetable %lo()
- echo "or %g1, %lo(ab) + 12, %g1" > conftest.s
- echo "or %g1, %lo(ab + 12), %g1" > conftest1.s
- if $gcc_cv_as -xarch=v9 -o conftest.o conftest.s \
- > /dev/null 2>&1 &&
- $gcc_cv_as -xarch=v9 -o conftest1.o conftest1.s \
- > /dev/null 2>&1; then
- if cmp conftest.o conftest1.o > /dev/null 2>&1; then
- gcc_cv_as_offsetable_lo10=no
- else
- gcc_cv_as_offsetable_lo10=yes
- fi
+ gcc_GAS_CHECK_FEATURE([unaligned pcrel relocs against hidden symbols],
+ gcc_cv_as_sparc_ua_pcrel_hidden,,
+ [-K PIC],
+[.data
+.align 4
+.byte 0x31
+.uaword %r_disp32(foo)
+.byte 0x32, 0x33, 0x34
+.global foo
+.hidden foo
+foo:
+.skip 4],
+ [if test x$gcc_cv_ld != x && test x$gcc_cv_objdump != x \
+ && $gcc_cv_ld -o conftest conftest.o -G > /dev/null 2>&1 \
+ && $gcc_cv_objdump -s -j .data conftest 2> /dev/null \
+ | grep ' 31000000 07323334' > /dev/null 2>&1; then
+ if $gcc_cv_objdump -R conftest 2> /dev/null \
+ | grep 'DISP32' > /dev/null 2>&1; then
+ :
else
- gcc_cv_as_offsetable_lo10=no
+ gcc_cv_as_sparc_ua_pcrel_hidden=yes
fi
- rm -f conftest.s conftest.o conftest1.s conftest1.o
- fi
- ])
- if test "x$gcc_cv_as_offsetable_lo10" = xyes; then
- AC_DEFINE(HAVE_AS_OFFSETABLE_LO10, 1,
- [Define if your assembler supports offsetable %lo().])
- fi
-
+ fi
+ rm -f conftest],
+ [AC_DEFINE(HAVE_AS_SPARC_UA_PCREL_HIDDEN, 1,
+ [Define if your assembler and linker support unaligned PC relative relocs against hidden symbols.])])
+ ]) # unaligned pcrel relocs
+
+ gcc_GAS_CHECK_FEATURE([offsetable %lo()],
+ gcc_cv_as_sparc_offsetable_lo10,,
+ [-xarch=v9],
+[.text
+ or %g1, %lo(ab) + 12, %g1
+ or %g1, %lo(ab + 12), %g1],
+ [if test x$gcc_cv_objdump != x \
+ && %gcc_cv_objdump -s -j .text conftest.o 2> /dev/null \
+ | grep ' 82106000 82106000' > /dev/null 2>&1; then
+ gcc_cv_as_offsetable_lo10=yes
+ fi],
+ [AC_DEFINE(HAVE_AS_OFFSETABLE_LO10, 1,
+ [Define if your assembler supports offsetable %lo().])])
;;
changequote(,)dnl
i[34567]86-*-* | x86_64-*-*)
changequote([,])dnl
- AC_MSG_CHECKING(assembler instructions)
- gcc_cv_as_instructions=
- if test $in_tree_gas = yes ; then
- gcc_GAS_VERSION_GTE_IFELSE(2,9,0,[
- gcc_cv_as_instructions="filds fists"
- ])
- elif test x$gcc_cv_as != x; then
- set "filds fists" "filds mem; fists mem"
- while test $# -gt 0
- do
- echo "$2" > conftest.s
- if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
- gcc_cv_as_instructions=${gcc_cv_as_instructions}$1" "
- fi
- shift 2
- done
- rm -f conftest.s conftest.o
- fi
- if test x"$gcc_cv_as_instructions" != x; then
- AC_DEFINE_UNQUOTED(HAVE_GAS_`echo "$gcc_cv_as_instructions" | sed -e 's/ $//' | tr '[a-z ]' '[A-Z_]'`)
- fi
- AC_MSG_RESULT($gcc_cv_as_instructions)
-
- AC_MSG_CHECKING(assembler GOTOFF in data directives)
- gcc_cv_as_gotoff_in_data=no
- if test $in_tree_gas = yes ; then
- gcc_GAS_VERSION_GTE_IFELSE(2,11,0,[
- gcc_cv_as_gotoff_in_data=yes
- ])
- elif test x$gcc_cv_as != x; then
- cat > conftest.s <<EOF
- .text
+ gcc_GAS_CHECK_FEATURE([filds and fists mnemonics],
+ gcc_cv_as_ix86_filds_fists,
+ [2,9,0],, [filds mem; fists mem],,
+ [AC_DEFINE(HAVE_GAS_FILDS_FISTS, 1,
+ [Define if your assembler uses the new HImode fild and fist notation.])])
+
+ gcc_GAS_CHECK_FEATURE([cmov syntax],
+ gcc_cv_as_ix86_cmov_sun_syntax,,,
+ [cmovl.l %edx, %eax],,
+ [AC_DEFINE(HAVE_AS_IX86_CMOV_SUN_SYNTAX, 1,
+ [Define if your assembler supports the Sun syntax for cmov.])])
+
+ # 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],
+ gcc_cv_as_ix86_gotoff_in_data, [2,11,0],,
+[ .text
.L0:
nop
.data
- .long .L0@GOTOFF
-EOF
- if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
- gcc_cv_as_gotoff_in_data=yes
- fi
- fi
+ .long .L0@GOTOFF])
AC_DEFINE_UNQUOTED(HAVE_AS_GOTOFF_IN_DATA,
- [`if test $gcc_cv_as_gotoff_in_data = yes; then echo 1; else echo 0; fi`],
+ [`if test $gcc_cv_as_ix86_gotoff_in_data = yes; then echo 1; else echo 0; fi`],
[Define true if the assembler supports '.long foo@GOTOFF'.])
- AC_MSG_RESULT($gcc_cv_as_gotoff_in_data)
;;
ia64*-*-*)
- AC_CACHE_CHECK([assembler supports ltoffx and ldxmov],
- gcc_cv_as_ltoffx_ldxmov_relocs, [
- gcc_cv_as_ltoffx_ldxmov_relocs=unknown
- if test $in_tree_gas = yes ; then
- gcc_GAS_VERSION_GTE_IFELSE(2,14,0,[
- gcc_cv_as_ltoffx_ldxmov_relocs=yes
- ])
- elif test x$gcc_cv_as != x; then
- cat > conftest.s << 'EOF'
-changequote(,)dnl
- .text
+ gcc_GAS_CHECK_FEATURE([ltoffx and ldxmov relocs],
+ gcc_cv_as_ia64_ltoffx_ldxmov_relocs, [2,14,0],,
+[ .text
addl r15 = @ltoffx(x#), gp
;;
- ld8.mov r16 = [r15], x#
-EOF
-changequote([,])dnl
- if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1; then
- gcc_cv_as_ltoffx_ldxmov_relocs=yes
- else
- gcc_cv_as_ltoffx_ldxmov_relocs=no
- fi
- rm -f conftest.s conftest.o
- fi
- ])
- if test "x$gcc_cv_as_ltoffx_ldxmov_relocs" = xyes; then
- AC_DEFINE(HAVE_AS_LTOFFX_LDXMOV_RELOCS, 1,
- [Define if your assembler supports ltoffx and ldxmov relocations.])
- fi
+ ld8.mov r16 = [[r15]], x#],,
+ [AC_DEFINE(HAVE_AS_LTOFFX_LDXMOV_RELOCS, 1,
+ [Define if your assembler supports ltoffx and ldxmov relocations.])])
+
+ ;;
+
+ powerpc*-*-*)
+ case $target in
+ *-*-aix) conftest_s=' .csect .text[PR]';;
+ *) conftest_s=' .text';;
+ esac
+ conftest_s="$conftest_s
+ mfcr 3,128"
+
+ gcc_GAS_CHECK_FEATURE([mfcr field support],
+ gcc_cv_as_powerpc_mfcrf, [2,14,0],,
+ [$conftest_s],,
+ [AC_DEFINE(HAVE_AS_MFCRF, 1,
+ [Define if your assembler supports mfcr field.])])
;;
-esac
-AC_MSG_CHECKING(assembler dwarf2 debug_line support)
-gcc_cv_as_dwarf2_debug_line=no
+ mips*-*-*)
+ gcc_GAS_CHECK_FEATURE([explicit relocation support],
+ gcc_cv_as_mips_explicit_relocs, [2,14,0],,
+[ lw $4,%gp_rel(foo)($4)],,
+ [if test x$target_cpu_default = x
+ then target_cpu_default=MASK_EXPLICIT_RELOCS
+ else target_cpu_default="($target_cpu_default)|MASK_EXPLICIT_RELOCS"
+ fi])
+
+ ;;
+esac
# ??? Not all targets support dwarf2 debug_line, even within a version
# of gas. Moreover, we need to emit a valid instruction to trigger any
# info to the output file. So, as supported targets are added to gas 2.11,
mmix-*-*)
insn="swym 0"
;;
- esac
-if test $in_tree_gas = yes ; then
- gcc_GAS_VERSION_GTE_IFELSE(2,11,0,[
- test $in_tree_gas_is_elf = yes && test x"$insn" != x \
- && gcc_cv_as_dwarf2_debug_line="yes"
- ])
-elif test x$gcc_cv_as != x -a x"$insn" != x ; then
- echo ' .file 1 "conftest.s"' > conftest.s
- echo ' .loc 1 3 0' >> conftest.s
- echo " $insn" >> conftest.s
- # ??? This fails with non-gnu grep.
- if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1 \
- && grep debug_line conftest.o > /dev/null 2>&1 ; then
- # The .debug_line file table must be in the exact order that
- # we specified the files, since these indices are also used
- # by DW_AT_decl_file. Approximate this test by testing if
- # the assembler bitches if the same index is assigned twice.
- echo ' .file 1 "foo.s"' > conftest.s
- echo ' .file 1 "bar.s"' >> conftest.s
- if $gcc_cv_as -o conftest.o conftest.s > /dev/null 2>&1
- then
- gcc_cv_as_dwarf2_debug_line="no"
- else
- gcc_cv_as_dwarf2_debug_line="yes"
- fi
- fi
- rm -f conftest.s conftest.o conftest.nm1 conftest.nm2
-fi
-if test x"$gcc_cv_as_dwarf2_debug_line" = xyes; then
+esac
+if test x"$insn" != x; then
+ conftest_s="\
+ .file 1 \"conftest.s\"
+ .loc 1 3 0
+ $insn"
+ gcc_GAS_CHECK_FEATURE([dwarf2 debug_line support],
+ gcc_cv_as_dwarf2_debug_line,
+ [elf,2,11,0],, [$conftest_s],
+ [# ??? This fails with non-gnu grep. Maybe use objdump?
+ if grep debug_line conftest.o > /dev/null 2>&1; then
+ gcc_cv_as_dwarf2_debug_line=yes
+ fi])
+
+# The .debug_line file table must be in the exact order that
+# we specified the files, since these indices are also used
+# by DW_AT_decl_file. Approximate this test by testing if
+# the assembler bitches if the same index is assigned twice.
+ gcc_GAS_CHECK_FEATURE([buggy dwarf2 .file directive],
+ gcc_cv_as_dwarf2_file_buggy,,,
+[ .file 1 "foo.s"
+ .file 1 "bar.s"])
+
+ if test $gcc_cv_as_dwarf2_debug_line = yes \
+ && test $gcc_cv_as_dwarf2_file_buggy = no; then
AC_DEFINE(HAVE_AS_DWARF2_DEBUG_LINE, 1,
-[Define if your assembler supports dwarf2 .file/.loc directives,
+ [Define if your assembler supports dwarf2 .file/.loc directives,
and preserves file table indices exactly as given.])
+ fi
+
+ gcc_GAS_CHECK_FEATURE([--gdwarf2 option],
+ gcc_cv_as_gdwarf2_flag,
+ [elf,2,11,0], [--gdwarf2], [$insn],,
+ [AC_DEFINE(HAVE_AS_GDWARF2_DEBUG_FLAG, 1,
+[Define if your assembler supports the --gdwarf2 option.])])
+
+ gcc_GAS_CHECK_FEATURE([--gstabs option],
+ gcc_cv_as_gstabs_flag,
+ [elf,2,11,0], [--gstabs], [$insn],
+ [# The native Solaris 9/Intel assembler doesn't understand --gstabs
+ # and warns about it, but still exits successfully. So check for
+ # this.
+ if AC_TRY_COMMAND([$gcc_cv_as --gstabs -o conftest.o conftest.s 2>&1 | grep -i warning > /dev/null])
+ then :
+ else gcc_cv_as_gstabs_flag=yes
+ fi],
+ [AC_DEFINE(HAVE_AS_GSTABS_DEBUG_FLAG, 1,
+[Define if your assembler supports the --gstabs option.])])
fi
-AC_MSG_RESULT($gcc_cv_as_dwarf2_debug_line)
-
-AC_MSG_CHECKING(assembler --gdwarf2 support)
-gcc_cv_as_gdwarf2_flag=no
-if test $in_tree_gas = yes ; then
- gcc_GAS_VERSION_GTE_IFELSE(2,11,0,[
- test $in_tree_gas_is_elf = yes && test x"$insn" != x \
- && gcc_cv_as_gdwarf2_flag="yes"
- ])
-elif test x$gcc_cv_as != x -a x"$insn" != x ; then
- echo '' > conftest.s
- # ??? This fails with non-gnu grep.
- if $gcc_cv_as --gdwarf2 -o conftest.o conftest.s > /dev/null 2>&1
- then
- gcc_cv_as_gdwarf2_flag="yes"
- fi
- rm -f conftest.s conftest.o
-fi
-if test x"$gcc_cv_as_gdwarf2_flag" = xyes; then
- AC_DEFINE(HAVE_AS_GDWARF2_DEBUG_FLAG, 1,
-[Define if your assembler supports the --gdwarf2 option.])
-fi
-AC_MSG_RESULT($gcc_cv_as_gdwarf2_flag)
-
-AC_MSG_CHECKING(assembler --gstabs support)
-gcc_cv_as_gstabs_flag=no
-if test $in_tree_gas = yes ; then
- gcc_GAS_VERSION_GTE_IFELSE(2,11,0,[
- test $in_tree_gas_is_elf = yes && test x"$insn" != x \
- && gcc_cv_as_gstabs_flag="yes"
- ])
-elif test x$gcc_cv_as != x -a x"$insn" != x ; then
- echo '' > conftest.s
- # ??? This fails with non-gnu grep.
- if $gcc_cv_as --gstabs -o conftest.o conftest.s > /dev/null 2>&1 ; then
- gcc_cv_as_gstabs_flag="yes"
- # The native Solaris 9/Intel assembler doesn't understand --gstabs
- # and warns about it, but still exits successfully. So check for
- # this.
- if $gcc_cv_as --gstabs -o conftest.o conftest.s 2>&1 | \
- grep -i warning > /dev/null ; then
- gcc_cv_as_gstabs_flag="no"
- fi
- fi
- rm -f conftest.s conftest.o
-fi
-if test x"$gcc_cv_as_gstabs_flag" = xyes; then
- AC_DEFINE(HAVE_AS_GSTABS_DEBUG_FLAG, 1,
-[Define if your assembler supports the --gstabs option.])
-fi
-AC_MSG_RESULT($gcc_cv_as_gstabs_flag)
AC_MSG_CHECKING(linker read-only and read-write section mixing)
gcc_cv_ld_ro_rw_mix=unknown
else
test_prefix=$exec_prefix
fi
- for f in $gcc_cv_libgloss_srcdir/mips/idt.ld $test_prefix/$target_alias/lib/idt.ld
+ for f in $gcc_cv_libgloss_srcdir/mips/idt.ld $test_prefix/$target_noncanonical/lib/idt.ld
do
if grep '^STARTUP' $f > /dev/null 2>&1; then
gcc_cv_mips_libgloss_startup=yes
[Define if your MIPS libgloss linker scripts consistently include STARTUP directives.])
fi
AC_MSG_RESULT($gcc_cv_mips_libgloss_startup)
-
- AC_MSG_CHECKING(whether the assembler has explicit relocation support)
- if test x$gcc_cv_mips_explicit_relocs = x; then
- gcc_cv_mips_explicit_relocs=no
- if test $in_tree_gas = yes; then
- gcc_GAS_VERSION_GTE_IFELSE(2,14,0,[
- gcc_cv_mips_explicit_relocs=yes
- ])
- elif test x$gcc_cv_as != x; then
- echo ' lw $4,%gp_rel(foo)($4)' > conftest.s
- if $gcc_cv_as conftest.s -o conftest.o > /dev/null 2>&1; then
- gcc_cv_mips_explicit_relocs=yes
- fi
- rm -f conftest.s conftest.o
- fi
- fi
- if test $gcc_cv_mips_explicit_relocs = yes; then
- test x$target_cpu_default != x || target_cpu_default=0
- target_cpu_default="(${target_cpu_default}|MASK_EXPLICIT_RELOCS)"
- fi
- AC_MSG_RESULT($gcc_cv_mips_explicit_relocs)
;;
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, "$prefix/include")
+ AC_DEFINE_UNQUOTED(PREFIX_INCLUDE_DIR, "$prefix/include",
+[Define to PREFIX/include if cpp should also search that directory.])
fi
# Figure out what language subdirectories are present.
# First scan to see if an enabled language requires some other language.
# We assume that a given config-lang.in will list all the language
# front ends it requires, even if some are required indirectly.
-for lang in ${srcdir}/*/config-lang.in ..
+for lang in ${srcdir}/*/config-lang.in
do
case $lang in
- ..)
- ;;
# The odd quoting in the next line works around
# an apparent bug in bash 1.12 on linux.
changequote(,)dnl
expected_languages=`echo ,${enable_languages}, | sed -e 's:,: :g' -e 's: *: :g' -e 's: *: :g' -e 's:^ ::' -e 's: $::'`
found_languages=
subdirs=
-for lang in ${srcdir}/*/config-lang.in ..
+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
lang_opt_files=
lang_specs_files=
-lang_options_files=
lang_tree_files=
for subdir in . $subdirs
do
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/lang-options.h; then
- lang_options_files="$lang_options_files $srcdir/$subdir/lang-options.h"
- fi
if test -f $srcdir/$subdir/$subdir-tree.def; then
lang_tree_files="$lang_tree_files $srcdir/$subdir/$subdir-tree.def"
fi
all_stagestuff=
all_outputs='Makefile fixinc/Makefile gccbug mklibgcc mkheaders'
# List of language makefile fragments.
+all_lang_makefrags=
+# List of language subdirectory makefiles. Deprecated.
all_lang_makefiles=
# Files for gengtype
all_gtfiles="$target_gtfiles"
# The other mechanism is a set of hooks for each of the main targets
# like `clean', `install', etc.
-language_fragments="Make-lang"
language_hooks="Make-hooks"
-for s in .. $subdirs
+for s in $subdirs
do
- if test $s != ".."
- then
language=
boot_language=
compilers=
echo "${srcdir}/$s/config-lang.in doesn't set \$language." 1>&2
exit 1
fi
- all_lang_makefiles="$all_lang_makefiles ${srcdir}/$s/Make-lang.in"
+ all_lang_makefrags="$all_lang_makefrags \$(srcdir)/$s/Make-lang.in"
if test -f ${srcdir}/$s/Makefile.in
- then all_lang_makefiles="$all_lang_makefiles ${srcdir}/$s/Makefile.in"
+ then all_lang_makefiles="$s/Makefile"
fi
all_languages="$all_languages $language"
if test "x$boot_language" = xyes
all_stagestuff="$all_stagestuff $stagestuff"
all_outputs="$all_outputs $outputs"
all_gtfiles="$all_gtfiles $gtfiles"
- for f in .. $gtfiles
+ for f in $gtfiles
do
- if test $f != ".."
- then
all_gtfiles_files_langs="$all_gtfiles_files_langs ${s} "
all_gtfiles_files_files="$all_gtfiles_files_files ${f} "
- fi
done
- fi
done
# Pick up gtfiles for c
s="c"
. ${srcdir}/c-config-lang.in
all_gtfiles="$all_gtfiles $gtfiles"
-for f in .. $gtfiles
+for f in $gtfiles
do
- if test $f != ".."
- then
all_gtfiles_files_langs="$all_gtfiles_files_langs ${s} "
all_gtfiles_files_files="$all_gtfiles_files_files ${f} "
- fi
done
check_languages=
-for language in .. $all_languages
+for language in $all_languages
do
- if test $language != ".."
- then
check_languages="$check_languages check-$language"
- fi
done
-# Since we can't use `::' targets, we link each language in
-# with a set of hooks, reached indirectly via lang.${target}.
+# We link each language in with a set of hooks, reached indirectly via
+# lang.${target}.
rm -f Make-hooks
touch Make-hooks
target_list="all.build all.cross start.encap rest.encap tags \
- info dvi generated-manpages \
install-normal install-common install-info install-man \
uninstall \
mostlyclean clean distclean extraclean maintainer-clean \
for t in $target_list
do
x=
- for lang in .. $all_languages
+ for lang in $all_languages
do
- if test $lang != ".."; then
x="$x $lang.$t"
- fi
done
echo "lang.$t: $x" >> Make-hooks
done
# make and thus we'd get different behavior depending on where we built the
# sources.
if test x$exec_prefix = xNONE -o x$exec_prefix = x$prefix; then
- gcc_tooldir='$(libsubdir)/$(unlibsubdir)/../$(target_alias)'
+ gcc_tooldir='$(libsubdir)/$(unlibsubdir)/../$(target_noncanonical)'
else
changequote(<<, >>)dnl
# An explanation of the sed strings:
# /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_alias)"
+ gcc_tooldir="\$(libsubdir)/\$(unlibsubdir)/\`echo \$(exec_prefix) | sed -e 's|^\$(prefix)||' -e 's|/\$(dollar)||' -e 's|^[^/]|/|' -e 's|/[^/]*|../|g'\`\$(target_noncanonical)"
changequote([, ])dnl
fi
AC_SUBST(gcc_tooldir)
objdir=`${PWDCMD-pwd}`
AC_SUBST(objdir)
-# Process the language and host/target makefile fragments.
-${CONFIG_SHELL-/bin/sh} $srcdir/configure.frag $srcdir "$subdirs" "$dep_host_xmake_file" "$dep_tmake_file"
-
# Substitute configuration variables
AC_SUBST(subdirs)
AC_SUBST(srcdir)
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(build_exeext)
AC_SUBST(build_install_headers_dir)
AC_SUBST(build_xm_file_list)
-AC_SUBST(build_xm_file)
+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(dep_host_xmake_file)
-AC_SUBST(dep_tmake_file)
+AC_SUBST(xmake_file)
+AC_SUBST(tmake_file)
AC_SUBST(extra_headers_list)
AC_SUBST(extra_objs)
AC_SUBST(extra_parts)
AC_SUBST(host_exeext)
AC_SUBST(host_extra_gcc_objs)
AC_SUBST(host_xm_file_list)
-AC_SUBST(host_xm_file)
+AC_SUBST(host_xm_include_list)
AC_SUBST(host_xm_defines)
AC_SUBST(out_host_hook_obj)
AC_SUBST(install)
AC_SUBST(lang_opt_files)
-AC_SUBST(lang_options_files)
AC_SUBST(lang_specs_files)
AC_SUBST(lang_tree_files)
AC_SUBST(local_prefix)
AC_SUBST(symbolic_link)
AC_SUBST(thread_file)
AC_SUBST(tm_file_list)
-AC_SUBST(tm_file)
+AC_SUBST(tm_include_list)
AC_SUBST(tm_defines)
AC_SUBST(tm_p_file_list)
-AC_SUBST(tm_p_file)
-AC_SUBST(xm_file)
+AC_SUBST(tm_p_include_list)
+AC_SUBST(xm_file_list)
+AC_SUBST(xm_include_list)
AC_SUBST(xm_defines)
-AC_SUBST(target_alias)
+AC_SUBST(target_noncanonical)
AC_SUBST(c_target_objs)
AC_SUBST(cxx_target_objs)
AC_SUBST(target_cpu_default)
-AC_SUBST_FILE(target_overrides)
-AC_SUBST_FILE(host_overrides)
-AC_SUBST_FILE(language_fragments)
AC_SUBST_FILE(language_hooks)
# Echo that links are built
xauto-host.h:config.in)
echo > cstamp-h ;;
esac
+# Make sure all the subdirs exist.
+for d in $subdirs
+do
+ test -d $d || mkdir $d
+done
# If the host supports symlinks, point stage[1234] at ../stage[1234] so
# bootstrapping and the installation procedure can still use
# CC="stage1/xgcc -Bstage1/". If the host doesn't support symlinks,
# This is virtually a duplicate of what happens in configure.lang; we do
# an extra check to make sure this only happens if ln -s can be used.
if test "$symbolic_link" = "ln -s"; then
- for d in .. ${subdirs} fixinc ; do
- if test $d != ..; then
+ for d in ${subdirs} fixinc ; do
STARTDIR=`${PWDCMD-pwd}`
cd $d
for t in stage1 stage2 stage3 stage4 stageprofile stagefeedback include
$symbolic_link ../$t $t 2>/dev/null
done
cd $STARTDIR
- fi
done
else true ; fi
],
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