enable_libtool_lock
enable_maintainer_mode
enable_multilib
+enable_symvers
enable_generated_files_in_srcdir
'
ac_precious_vars='build_alias
--enable-maintainer-mode enable make rules and dependencies not useful
(and sometimes confusing) to the casual installer
--enable-multilib build many library versions (default)
+ --disable-symvers disable symbol versioning for libquadmath
--enable-generated-files-in-srcdir
put copies of generated files in source dir intended
for creating source tarballs for users without
rm -rf conftest*
;;
-x86_64-*kfreebsd*-gnu|x86_64-*linux*|ppc*-*linux*|powerpc*-*linux*| \
+x86_64-*kfreebsd*-gnu|x86_64-*linux*|powerpc*-*linux*| \
s390*-*linux*|s390*-*tpf*|sparc*-*linux*)
# Find out which ABI we are using.
echo 'int i;' > conftest.$ac_ext
LD="${LD-ld} -m elf_i386_fbsd"
;;
x86_64-*linux*)
- LD="${LD-ld} -m elf_i386"
+ case `/usr/bin/file conftest.o` in
+ *x86-64*)
+ LD="${LD-ld} -m elf32_x86_64"
+ ;;
+ *)
+ LD="${LD-ld} -m elf_i386"
+ ;;
+ esac
+ ;;
+ powerpc64le-*linux*)
+ LD="${LD-ld} -m elf32lppclinux"
;;
- ppc64-*linux*|powerpc64-*linux*)
+ powerpc64-*linux*)
LD="${LD-ld} -m elf32ppclinux"
;;
s390x-*linux*)
x86_64-*linux*)
LD="${LD-ld} -m elf_x86_64"
;;
- ppc*-*linux*|powerpc*-*linux*)
+ powerpcle-*linux*)
+ LD="${LD-ld} -m elf64lppc"
+ ;;
+ powerpc-*linux*)
LD="${LD-ld} -m elf64ppc"
;;
s390*-*linux*|s390*-*tpf*)
# AIX 5 now supports IA64 processor
lt_prog_compiler_static='-Bstatic'
fi
+ lt_prog_compiler_pic='-fPIC'
;;
amigaos*)
;;
# Unfortunately, older versions of FreeBSD 2 do not have this feature.
- freebsd2*)
+ freebsd2.*)
archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags'
hardcode_direct=yes
hardcode_minus_L=yes
objformat=`/usr/bin/objformat`
else
case $host_os in
- freebsd[123]*) objformat=aout ;;
+ freebsd[23].*) objformat=aout ;;
*) objformat=elf ;;
esac
fi
esac
shlibpath_var=LD_LIBRARY_PATH
case $host_os in
- freebsd2*)
+ freebsd2.*)
shlibpath_overrides_runpath=yes
;;
freebsd3.[01]* | freebsdelf3.[01]*)
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<_LT_EOF
-#line 10514 "configure"
+#line 10530 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<_LT_EOF
-#line 10620 "configure"
+#line 10636 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H
done
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the math.h includes POSIX's signgam" >&5
+$as_echo_n "checking whether the math.h includes POSIX's signgam... " >&6; }
+if test "${libgfor_cv_have_math_h_signgam+set}" = set; then :
+ $as_echo_n "(cached) " >&6
+else
+
+ save_CFLAGS="$CFLAGS"
+ CFLAGS="$CFLAGS -Werror"
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+
+#include <math.h>
+void foo(void) { signgam = 1; }
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ libgfor_cv_have_math_h_signgam=yes
+else
+ libgfor_cv_have_math_h_signgam=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+ CFLAGS="$save_CFLAGS"
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libgfor_cv_have_math_h_signgam" >&5
+$as_echo "$libgfor_cv_have_math_h_signgam" >&6; }
+ if test $libgfor_cv_have_math_h_signgam = yes; then
+
+$as_echo "#define HAVE_MATH_H_SIGNGAM 1" >>confdefs.h
+
+ fi
+
# If available, sqrtl and cbrtl speed up the calculation -
# but they are not required
if test x$gcc_no_link != xyes; then
# Check for symbol versioning (copied from libssp).
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether symbol versioning is supported" >&5
$as_echo_n "checking whether symbol versioning is supported... " >&6; }
-if test x$gcc_no_link = xyes; then
- # If we cannot link, we cannot build shared libraries, so do not use
- # symbol versioning.
- quadmath_use_symver=no
+# Check whether --enable-symvers was given.
+if test "${enable_symvers+set}" = set; then :
+ enableval=$enable_symvers; quadmath_use_symver=$enableval
else
- save_LDFLAGS="$LDFLAGS"
- LDFLAGS="$LDFLAGS -fPIC -shared -Wl,--version-script,./conftest.map"
- cat > conftest.map <<EOF
+ quadmath_use_symver=yes
+fi
+
+if test "x$quadmath_use_symver" != xno; then
+ if test x$gcc_no_link = xyes; then
+ # If we cannot link, we cannot build shared libraries, so do not use
+ # symbol versioning.
+ quadmath_use_symver=no
+ else
+ save_LDFLAGS="$LDFLAGS"
+ LDFLAGS="$LDFLAGS -fPIC -shared -Wl,--version-script,./conftest.map"
+ cat > conftest.map <<EOF
FOO_1.0 {
global: *foo*; bar; local: *;
};
EOF
- if test x$gcc_no_link = xyes; then
+ if test x$gcc_no_link = xyes; then
as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5
fi
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
fi
rm -f core conftest.err conftest.$ac_objext \
conftest$ac_exeext conftest.$ac_ext
- if test x$quadmath_use_symver = xno; then
- case "$target_os" in
- solaris2*)
- LDFLAGS="$save_LDFLAGS"
- LDFLAGS="$LDFLAGS -fPIC -shared -Wl,-M,./conftest.map"
- # Sun ld cannot handle wildcards and treats all entries as undefined.
- cat > conftest.map <<EOF
+ if test x$quadmath_use_symver = xno; then
+ case "$target_os" in
+ solaris2*)
+ LDFLAGS="$save_LDFLAGS"
+ LDFLAGS="$LDFLAGS -fPIC -shared -Wl,-M,./conftest.map"
+ # Sun ld cannot handle wildcards and treats all entries as undefined.
+ cat > conftest.map <<EOF
FOO_1.0 {
global: foo; local: *;
};
EOF
- if test x$gcc_no_link = xyes; then
+ if test x$gcc_no_link = xyes; then
as_fn_error "Link tests are not allowed after GCC_NO_EXECUTABLES." "$LINENO" 5
fi
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
fi
rm -f core conftest.err conftest.$ac_objext \
conftest$ac_exeext conftest.$ac_ext
- ;;
- esac
+ ;;
+ esac
+ fi
+ LDFLAGS="$save_LDFLAGS"
fi
- LDFLAGS="$save_LDFLAGS"
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $quadmath_use_symver" >&5
$as_echo "$quadmath_use_symver" >&6; }
projects / gcc.git / blobdiff