enable_maintainer_mode
enable_multilib
enable_dependency_tracking
+enable_symvers
enable_shared
enable_static
with_pic
--enable-multilib build many library versions (default)
--disable-dependency-tracking speeds up one-time build
--enable-dependency-tracking do not reject slow dependency extractors
+ --disable-symvers disable symbol versioning for libssp
--enable-shared[=PKGS] build shared libraries [default=yes]
--enable-static[=PKGS] build static libraries [default=yes]
--enable-fast-install[=PKGS]
{ $as_echo "$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.
- ssp_use_symver=no
+# Check whether --enable-symvers was given.
+if test "${enable_symvers+set}" = set; then :
+ enableval=$enable_symvers; ssp_use_symver=$enableval
else
- save_LDFLAGS="$LDFLAGS"
- LDFLAGS="$LDFLAGS -fPIC -shared -Wl,--version-script,./conftest.map"
- cat > conftest.map <<EOF
+ ssp_use_symver=yes
+fi
+
+if test "x$ssp_use_symver" != xno; then
+ if test x$gcc_no_link = xyes; then
+ # If we cannot link, we cannot build shared libraries, so do not use
+ # symbol versioning.
+ ssp_use_symver=no
+ else
+ save_LDFLAGS="$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$ssp_use_symver = xno; then
- case "$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$ssp_use_symver = xno; then
+ case "$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: $ssp_use_symver" >&5
$as_echo "$ssp_use_symver" >&6; }
hardcode_shlibpath_var=no
;;
- freebsd1*)
- ld_shlibs=no
- ;;
-
# FreeBSD 2.2.[012] allows us to include c++rt0.o to get C++ constructor
# support. Future versions do this automatically, but an explicit c++rt0.o
# does not break anything, and helps significantly (at the cost of a little
;;
# 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
shlibpath_var=LD_LIBRARY_PATH
;;
-freebsd1*)
- dynamic_linker=no
- ;;
-
freebsd* | dragonfly*)
# DragonFly does not have aout. When/if they implement a new
# versioning mechanism, adjust this.
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.$ac_ext <<_LT_EOF
-#line 10650 "configure"
+#line 10653 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<_LT_EOF
-#line 10756 "configure"
+#line 10759 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H