ld-symbolic.m4: New.

config/ 2007-01-14 H.J. Lu <hongjiu.lu@intel.com> * ld-symbolic.m4: New. libjava/ 2007-01-14 H.J. Lu <hongjiu.lu@intel.com> * Makefile.am (libgcj_la_LDFLAGS): Add $(LIBGCJ_LD_SYMBOLIC_FUNCTIONS). (libgcj_tools_la_LDFLAGS): Likewise. (libgcj_bc_la_LDFLAGS): Likewise. * Makefile.in: Regenerated. * configure.ac: Use ACX_PROG_LD_GNU_SYMBOLIC. Set LIBGCJ_LD_SYMBOLIC_FUNCTIONS to $SYMBOLIC_LDFLAGS. Set libgcj_ld_symbolic to $SYMBOLIC_LDFLAGS if it isn't set. Substitute LIBGCJ_LD_SYMBOLIC_FUNCTIONS. * configure: Regenerated. * aclocal.m4: Likewise. * gcj/Makefile.in: Likewise. * include/Makefile.in: Likewise. * testsuite/Makefile.in: Likewise. From-SVN: r120773
2024-11-21 13:40:47 +00:00 · 2007-01-14 07:38:18 -08:00 · 2007-01-14 07:38:18 -08:00 · 76b972d63c
commit 76b972d63c
parent c89686a895
11 changed files with 162 additions and 19 deletions
--- a/config/ChangeLog
+++ b/config/ChangeLog
@ -1,7 +1,11 @@
+2007-01-14  H.J. Lu  <hongjiu.lu@intel.com>
+
+	* ld-symbolic.m4: New.
+
 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>

-        * warnings.m4: Use m4_expand_once to clear the AC_SUBST'ed variable.
-        (ACX_PROG_CC_WARNINGS_ARE_ERRORS): Fix typo.  Add optional 2nd argument.
+	* warnings.m4: Use m4_expand_once to clear the AC_SUBST'ed variable.
+	(ACX_PROG_CC_WARNINGS_ARE_ERRORS): Fix typo.  Add optional 2nd argument.

 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>

--- a/config/ld-symbolic.m4
+++ b/config/ld-symbolic.m4
@ -0,0 +1,45 @@
+dnl Copyright (C) 2007 Free Software Foundation, Inc.
+dnl This file is free software, distributed under the terms of the GNU
+dnl General Public License.  As a special exception to the GNU General
+dnl Public License, this file may be distributed as part of a program
+dnl that contains a configuration script generated by Autoconf, under
+dnl the same distribution terms as the rest of that program.
+
+dnl Set SYMBOLIC_LDFLAGS to -Bsymbolic-functions for GNU linker if it
+dnl is supported.
+AC_DEFUN([ACX_PROG_LD_GNU_SYMBOLIC],
+[AC_CACHE_CHECK([if the GNU linker ($LD) supports -Bsymbolic-functions],
+acl_cv_prog_gnu_ld_symbolic, [
+acl_cv_prog_gnu_ld_symbolic=no
+AC_REQUIRE([AC_LIB_PROG_LD_GNU])
+if test x"$with_gnu_ld" = x"yes"; then
+  if $LD --help 2>&1 </dev/null | grep Bsymbolic-functions 1>&5; then
+    acl_cv_prog_gnu_ld_symbolic=yes
+  fi
+fi])
+if test x"$acl_cv_prog_gnu_ld_symbolic" = x"yes"; then
+  SYMBOLIC_LDFLAGS="-Wl,-Bsymbolic-functions"
+else
+  SYMBOLIC_LDFLAGS=''
+fi
+])
+
+dnl Set DYNAMIC_LIST_CPP_NEW_LDFLAGS to --dynamic-list-cpp-new for GNU
+dnl linker if it is supported.
+AC_DEFUN([ACX_PROG_LD_GNU_DYNAMIC_LIST_CPP_NEW],
+[AC_CACHE_CHECK([if the GNU linker ($LD) supports --dynamic-list-cpp-new],
+acl_cv_prog_gnu_ld_dynamic_list_cpp_new, [
+acl_cv_prog_gnu_ld_dynamic_list_cpp_new=no
+AC_REQUIRE([ACX_PROG_LD_GNU_SYMBOLIC])
+if test x"$with_gnu_ld" = x"yes" -a \
+	x"$acl_cv_prog_gnu_ld_symbolic" = x"yes"; then
+  if $LD --help 2>&1 </dev/null | grep dynamic-list-cpp-new 1>&5; then
+    acl_cv_prog_gnu_ld_dynamic_list_cpp_new=yes
+  fi
+fi])
+if test x"$acl_cv_prog_gnu_ld_dynamic_list_cpp_new" = x"yes"; then
+   DYNAMIC_LIST_CPP_NEW_LDFLAGS="$SYMBOLIC_LDFLAGS -Wl,--dynamic-list-cpp-new"
+else
+   DYNAMIC_LIST_CPP_NEW_LDFLAGS=''
+fi
+])
--- a/libjava/ChangeLog
+++ b/libjava/ChangeLog
@ -1,3 +1,21 @@
+2007-01-14  H.J. Lu  <hongjiu.lu@intel.com>
+
+	* Makefile.am (libgcj_la_LDFLAGS): Add
+	$(LIBGCJ_LD_SYMBOLIC_FUNCTIONS).
+	(libgcj_tools_la_LDFLAGS): Likewise.
+	(libgcj_bc_la_LDFLAGS): Likewise.
+	* Makefile.in: Regenerated.
+
+	* configure.ac: Use ACX_PROG_LD_GNU_SYMBOLIC.  Set
+	LIBGCJ_LD_SYMBOLIC_FUNCTIONS to $SYMBOLIC_LDFLAGS.  Set
+	libgcj_ld_symbolic to $SYMBOLIC_LDFLAGS if it isn't set.
+	Substitute LIBGCJ_LD_SYMBOLIC_FUNCTIONS.
+	* configure: Regenerated.
+	* aclocal.m4: Likewise.
+	* gcj/Makefile.in: Likewise.
+	* include/Makefile.in: Likewise.
+	* testsuite/Makefile.in: Likewise.
+
 2007-01-12  Kaz Kojima  <kkojima@gcc.gnu.org>

 	* sysdep/sh/locks.h (read_barrier): New.
--- a/libjava/Makefile.am
+++ b/libjava/Makefile.am
@ -230,7 +230,8 @@ xlib_nat_files = $(xlib_nat_source_files:.cc=.lo)
 ## The mysterious backslash in the grep pattern is consumed by make.
 libgcj_la_LDFLAGS = -rpath $(toolexeclibdir) $(THREADLDFLAGS) $(THREADLIBS) \
 	$(LIBLTDL) $(SYS_ZLIBS) \
-	-version-info `grep -v '^\#' $(srcdir)/libtool-version`
+	-version-info `grep -v '^\#' $(srcdir)/libtool-version` \
+	$(LIBGCJ_LD_SYMBOLIC_FUNCTIONS)
 libgcj_la_LIBADD = \
 	classpath/native/fdlibm/libfdlibm.la \
 	java/lang/Object.lo \
@ -256,7 +257,8 @@ EXTRA_libgcj_la_SOURCES = java/lang/Object.java
 libgcj_tools_la_SOURCES = classpath/tools/tools.zip
 libgcj_tools_la_GCJFLAGS = $(AM_GCJFLAGS) -findirect-dispatch -fno-indirect-classes  -fsource-filename=$(here)/classpath/tools/all-classes.lst
 libgcj_tools_la_LDFLAGS = -rpath $(toolexeclibdir) \
- -version-info `grep -v '^\#' $(srcdir)/libtool-version`
+ -version-info `grep -v '^\#' $(srcdir)/libtool-version` \
+ $(LIBGCJ_LD_SYMBOLIC_FUNCTIONS)
 libgcj_tools_la_DEPENDENCIES = libgcj.la libgcj.spec
 libgcj_tools_la_LINK = $(LIBLINK)

@ -299,7 +301,8 @@ lib_gnu_awt_xlib_la_LINK = $(LIBLINK)
 ##
 ## This lets us have one soname in BC objects and another in C++ ABI objects.
 libgcj_bc_la_SOURCES = libgcj_bc.c
-libgcj_bc_la_LDFLAGS = -rpath $(toolexeclibdir) -no-static -version-info 1:0:0
+libgcj_bc_la_LDFLAGS = -rpath $(toolexeclibdir) -no-static -version-info 1:0:0 \
+	$(LIBGCJ_LD_SYMBOLIC_FUNCTIONS)
 libgcj_bc_la_LIBADD = libgcj.la
 libgcj_bc_la_DEPENDENCIES = libgcj.la
 libgcj_bc_la_LINK = $(LIBLINK)
--- a/libjava/Makefile.in
+++ b/libjava/Makefile.in
@ -83,6 +83,7 @@ am__aclocal_m4_deps = $(top_srcdir)/../config/acx.m4 \
 	$(top_srcdir)/../config/gxx-include-dir.m4 \
 	$(top_srcdir)/../config/iconv.m4 \
 	$(top_srcdir)/../config/lcmessage.m4 \
+	$(top_srcdir)/../config/ld-symbolic.m4 \
 	$(top_srcdir)/../config/lead-dot.m4 \
 	$(top_srcdir)/../config/lib-ld.m4 \
 	$(top_srcdir)/../config/lib-link.m4 \
@ -619,6 +620,7 @@ LIBGCJ_CFLAGS = @LIBGCJ_CFLAGS@
 LIBGCJ_CXXFLAGS = @LIBGCJ_CXXFLAGS@
 LIBGCJ_JAVAFLAGS = @LIBGCJ_JAVAFLAGS@
 LIBGCJ_LD_SYMBOLIC = @LIBGCJ_LD_SYMBOLIC@
+LIBGCJ_LD_SYMBOLIC_FUNCTIONS = @LIBGCJ_LD_SYMBOLIC_FUNCTIONS@
 LIBGCJ_SPEC = @LIBGCJ_SPEC@
 LIBICONV = @LIBICONV@
 LIBLTDL = @LIBLTDL@
@ -872,7 +874,8 @@ xlib_nat_files = $(xlib_nat_source_files:.cc=.lo)
 # certain linuxthread functions get linked:
 libgcj_la_LDFLAGS = -rpath $(toolexeclibdir) $(THREADLDFLAGS) $(THREADLIBS) \
 	$(LIBLTDL) $(SYS_ZLIBS) \
-	-version-info `grep -v '^\#' $(srcdir)/libtool-version`
+	-version-info `grep -v '^\#' $(srcdir)/libtool-version` \
+	$(LIBGCJ_LD_SYMBOLIC_FUNCTIONS)

 libgcj_la_LIBADD = \
 	classpath/native/fdlibm/libfdlibm.la \
@ -896,7 +899,8 @@ EXTRA_libgcj_la_SOURCES = java/lang/Object.java
 libgcj_tools_la_SOURCES = classpath/tools/tools.zip
 libgcj_tools_la_GCJFLAGS = $(AM_GCJFLAGS) -findirect-dispatch -fno-indirect-classes  -fsource-filename=$(here)/classpath/tools/all-classes.lst
 libgcj_tools_la_LDFLAGS = -rpath $(toolexeclibdir) \
- -version-info `grep -v '^\#' $(srcdir)/libtool-version`
+ -version-info `grep -v '^\#' $(srcdir)/libtool-version` \
+ $(LIBGCJ_LD_SYMBOLIC_FUNCTIONS)

 libgcj_tools_la_DEPENDENCIES = libgcj.la libgcj.spec
 libgcj_tools_la_LINK = $(LIBLINK)
@ -923,7 +927,9 @@ lib_gnu_awt_xlib_la_LDFLAGS = ../libstdc++-v3/src/libstdc++.la \

 lib_gnu_awt_xlib_la_LINK = $(LIBLINK)
 libgcj_bc_la_SOURCES = libgcj_bc.c
-libgcj_bc_la_LDFLAGS = -rpath $(toolexeclibdir) -no-static -version-info 1:0:0
+libgcj_bc_la_LDFLAGS = -rpath $(toolexeclibdir) -no-static -version-info 1:0:0 \
+	$(LIBGCJ_LD_SYMBOLIC_FUNCTIONS)
+
 libgcj_bc_la_LIBADD = libgcj.la
 libgcj_bc_la_DEPENDENCIES = libgcj.la
 libgcj_bc_la_LINK = $(LIBLINK)
--- a/libjava/aclocal.m4
+++ b/libjava/aclocal.m4
@ -909,6 +909,7 @@ m4_include([../config/enable.m4])
 m4_include([../config/gxx-include-dir.m4])
 m4_include([../config/iconv.m4])
 m4_include([../config/lcmessage.m4])
+m4_include([../config/ld-symbolic.m4])
 m4_include([../config/lead-dot.m4])
 m4_include([../config/lib-ld.m4])
 m4_include([../config/lib-link.m4])
--- a/libjava/configure
+++ b/libjava/configure
@ -310,7 +310,7 @@ ac_includes_default="\
 # include <unistd.h>
 #endif"

-ac_subst_vars='SHELL PATH_SEPARATOR PACKAGE_NAME PACKAGE_TARNAME PACKAGE_VERSION PACKAGE_STRING PACKAGE_BUGREPORT exec_prefix prefix program_transform_name bindir sbindir libexecdir datadir sysconfdir sharedstatedir localstatedir libdir includedir oldincludedir infodir mandir build_alias host_alias target_alias DEFS ECHO_C ECHO_N ECHO_T LIBS build build_cpu build_vendor build_os build_libsubdir build_subdir host_subdir target_subdir libgcj_basedir host host_cpu host_vendor host_os target target_cpu target_vendor target_os target_noncanonical LN_S mkinstalldirs JAVA_MAINTAINER_MODE_TRUE JAVA_MAINTAINER_MODE_FALSE CC ac_ct_CC EXEEXT OBJEXT CXX ac_ct_CXX CFLAGS CXXFLAGS LDFLAGS INSTALL_PROGRAM INSTALL_SCRIPT INSTALL_DATA CYGPATH_W PACKAGE VERSION ACLOCAL AUTOCONF AUTOMAKE AUTOHEADER MAKEINFO install_sh STRIP ac_ct_STRIP INSTALL_STRIP_PROGRAM mkdir_p AWK SET_MAKE am__leading_dot AMTAR am__tar am__untar DEPDIR am__include am__quote AMDEP_TRUE AMDEP_FALSE AMDEPBACKSLASH CCDEPMODE am__fastdepCC_TRUE am__fastdepCC_FALSE CXXDEPMODE am__fastdepCXX_TRUE am__fastdepCXX_FALSE AS ac_ct_AS LD ac_ct_LD AR ac_ct_AR RANLIB ac_ct_RANLIB JAR ZIP UNZIP BASH_JAR_TRUE BASH_JAR_FALSE MAINTAINER_MODE_TRUE MAINTAINER_MODE_FALSE MAINT LIBGCJ_CFLAGS LIBGCJ_CXXFLAGS LIBGCJ_JAVAFLAGS LIBGCJ_LD_SYMBOLIC LIBGCJDEBUG TOOLKIT XLIB_AWT_TRUE XLIB_AWT_FALSE X_AWT_TRUE X_AWT_FALSE GCJ_FOR_ECJX GCJH host_exeext INCLTDL LIBLTDL DIRLTDL LIBTOOL CXXCPP CPPFLAGS GCJ GCJFLAGS GCJDEPMODE am__fastdepGCJ_TRUE am__fastdepGCJ_FALSE subdirs TESTSUBDIR_TRUE TESTSUBDIR_FALSE ECJ_BUILD_JAR ECJ_JAR BUILD_ECJ1_TRUE BUILD_ECJ1_FALSE INSTALL_ECJ_JAR_TRUE INSTALL_ECJ_JAR_FALSE JAVA_HOME_SET_TRUE JAVA_HOME_SET_FALSE JAVA_HOME INTERPRETER LIBFFI LIBFFIINCS PLATFORM CPP EGREP USING_WIN32_PLATFORM_TRUE USING_WIN32_PLATFORM_FALSE USING_POSIX_PLATFORM_TRUE USING_POSIX_PLATFORM_FALSE USING_DARWIN_CRT_TRUE USING_DARWIN_CRT_FALSE SYSTEMSPEC LIBGCJTESTSPEC ZLIBSPEC ZLIBTESTSPEC X_CFLAGS X_PRE_LIBS X_LIBS X_EXTRA_LIBS extra_ldflags_libjava GCLIBS GCINCS GCDEPS GCSPEC JC1GCSPEC GCTESTSPEC USING_BOEHMGC_TRUE USING_BOEHMGC_FALSE USING_NOGC_TRUE USING_NOGC_FALSE THREADLIBS THREADINCS THREADDEPS THREADSPEC THREADSTARTFILESPEC THREADLDFLAGS THREADCXXFLAGS USING_POSIX_THREADS_TRUE USING_POSIX_THREADS_FALSE USING_WIN32_THREADS_TRUE USING_WIN32_THREADS_FALSE USING_NO_THREADS_TRUE USING_NO_THREADS_FALSE USE_LIBGCJ_BC_TRUE USE_LIBGCJ_BC_FALSE LIBGCJ_SPEC HASH_SYNC_SPEC USING_GCC_TRUE USING_GCC_FALSE LIBICONV LTLIBICONV LIBMAGIC PKG_CONFIG GTK_CFLAGS GTK_LIBS GLIB_CFLAGS GLIB_LIBS LIBART_CFLAGS LIBART_LIBS CLASSPATH_SEPARATOR ac_ct_GCJ ZLIBS SYS_ZLIBS ZINCS DIVIDESPEC CHECKREFSPEC EXCEPTIONSPEC BACKTRACESPEC IEEESPEC NATIVE_TRUE NATIVE_FALSE ENABLE_SHARED_TRUE ENABLE_SHARED_FALSE NEEDS_DATA_START_TRUE NEEDS_DATA_START_FALSE GCC_UNWIND_INCLUDE toolexecdir toolexecmainlibdir toolexeclibdir dbexecdir GCJVERSION gxx_include_dir libstdcxx_incdir ALLOCA PERL SYSDEP_SOURCES LD_START_STATIC_SPEC LD_FINISH_STATIC_SPEC here LIBOBJS LTLIBOBJS'
+ac_subst_vars='SHELL PATH_SEPARATOR PACKAGE_NAME PACKAGE_TARNAME PACKAGE_VERSION PACKAGE_STRING PACKAGE_BUGREPORT exec_prefix prefix program_transform_name bindir sbindir libexecdir datadir sysconfdir sharedstatedir localstatedir libdir includedir oldincludedir infodir mandir build_alias host_alias target_alias DEFS ECHO_C ECHO_N ECHO_T LIBS build build_cpu build_vendor build_os build_libsubdir build_subdir host_subdir target_subdir libgcj_basedir host host_cpu host_vendor host_os target target_cpu target_vendor target_os target_noncanonical LN_S mkinstalldirs JAVA_MAINTAINER_MODE_TRUE JAVA_MAINTAINER_MODE_FALSE CC ac_ct_CC EXEEXT OBJEXT CXX ac_ct_CXX CFLAGS CXXFLAGS LDFLAGS INSTALL_PROGRAM INSTALL_SCRIPT INSTALL_DATA CYGPATH_W PACKAGE VERSION ACLOCAL AUTOCONF AUTOMAKE AUTOHEADER MAKEINFO install_sh STRIP ac_ct_STRIP INSTALL_STRIP_PROGRAM mkdir_p AWK SET_MAKE am__leading_dot AMTAR am__tar am__untar DEPDIR am__include am__quote AMDEP_TRUE AMDEP_FALSE AMDEPBACKSLASH CCDEPMODE am__fastdepCC_TRUE am__fastdepCC_FALSE CXXDEPMODE am__fastdepCXX_TRUE am__fastdepCXX_FALSE AS ac_ct_AS LD ac_ct_LD AR ac_ct_AR RANLIB ac_ct_RANLIB JAR ZIP UNZIP BASH_JAR_TRUE BASH_JAR_FALSE MAINTAINER_MODE_TRUE MAINTAINER_MODE_FALSE MAINT LIBGCJ_CFLAGS LIBGCJ_CXXFLAGS LIBGCJ_JAVAFLAGS LIBGCJ_LD_SYMBOLIC LIBGCJ_LD_SYMBOLIC_FUNCTIONS LIBGCJDEBUG TOOLKIT XLIB_AWT_TRUE XLIB_AWT_FALSE X_AWT_TRUE X_AWT_FALSE GCJ_FOR_ECJX GCJH host_exeext INCLTDL LIBLTDL DIRLTDL LIBTOOL CXXCPP CPPFLAGS GCJ GCJFLAGS GCJDEPMODE am__fastdepGCJ_TRUE am__fastdepGCJ_FALSE subdirs TESTSUBDIR_TRUE TESTSUBDIR_FALSE ECJ_BUILD_JAR ECJ_JAR BUILD_ECJ1_TRUE BUILD_ECJ1_FALSE INSTALL_ECJ_JAR_TRUE INSTALL_ECJ_JAR_FALSE JAVA_HOME_SET_TRUE JAVA_HOME_SET_FALSE JAVA_HOME INTERPRETER LIBFFI LIBFFIINCS PLATFORM CPP EGREP USING_WIN32_PLATFORM_TRUE USING_WIN32_PLATFORM_FALSE USING_POSIX_PLATFORM_TRUE USING_POSIX_PLATFORM_FALSE USING_DARWIN_CRT_TRUE USING_DARWIN_CRT_FALSE SYSTEMSPEC LIBGCJTESTSPEC ZLIBSPEC ZLIBTESTSPEC X_CFLAGS X_PRE_LIBS X_LIBS X_EXTRA_LIBS extra_ldflags_libjava GCLIBS GCINCS GCDEPS GCSPEC JC1GCSPEC GCTESTSPEC USING_BOEHMGC_TRUE USING_BOEHMGC_FALSE USING_NOGC_TRUE USING_NOGC_FALSE THREADLIBS THREADINCS THREADDEPS THREADSPEC THREADSTARTFILESPEC THREADLDFLAGS THREADCXXFLAGS USING_POSIX_THREADS_TRUE USING_POSIX_THREADS_FALSE USING_WIN32_THREADS_TRUE USING_WIN32_THREADS_FALSE USING_NO_THREADS_TRUE USING_NO_THREADS_FALSE USE_LIBGCJ_BC_TRUE USE_LIBGCJ_BC_FALSE LIBGCJ_SPEC HASH_SYNC_SPEC USING_GCC_TRUE USING_GCC_FALSE LIBICONV LTLIBICONV LIBMAGIC PKG_CONFIG GTK_CFLAGS GTK_LIBS GLIB_CFLAGS GLIB_LIBS LIBART_CFLAGS LIBART_LIBS CLASSPATH_SEPARATOR ac_ct_GCJ ZLIBS SYS_ZLIBS ZINCS DIVIDESPEC CHECKREFSPEC EXCEPTIONSPEC BACKTRACESPEC IEEESPEC NATIVE_TRUE NATIVE_FALSE ENABLE_SHARED_TRUE ENABLE_SHARED_FALSE NEEDS_DATA_START_TRUE NEEDS_DATA_START_FALSE GCC_UNWIND_INCLUDE toolexecdir toolexecmainlibdir toolexeclibdir dbexecdir GCJVERSION gxx_include_dir libstdcxx_incdir ALLOCA PERL SYSDEP_SOURCES LD_START_STATIC_SPEC LD_FINISH_STATIC_SPEC here LIBOBJS LTLIBOBJS'
 ac_subst_files=''

 # Initialize some variables set by options.
@ -4332,10 +4332,55 @@ libgcj_javaflags=

 . ${srcdir}/configure.host

+echo "$as_me:$LINENO: checking if the linker ($LD) is GNU ld" >&5
+echo $ECHO_N "checking if the linker ($LD) is GNU ld... $ECHO_C" >&6
+if test "${acl_cv_prog_gnu_ld+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  # I'd rather use --version here, but apparently some GNU ld's only accept -v.
+if $LD -v 2>&1 </dev/null | egrep '(GNU|with BFD)' 1>&5; then
+  acl_cv_prog_gnu_ld=yes
+else
+  acl_cv_prog_gnu_ld=no
+fi
+fi
+echo "$as_me:$LINENO: result: $acl_cv_prog_gnu_ld" >&5
+echo "${ECHO_T}$acl_cv_prog_gnu_ld" >&6
+with_gnu_ld=$acl_cv_prog_gnu_ld
+
+echo "$as_me:$LINENO: checking if the GNU linker ($LD) supports -Bsymbolic-functions" >&5
+echo $ECHO_N "checking if the GNU linker ($LD) supports -Bsymbolic-functions... $ECHO_C" >&6
+if test "${acl_cv_prog_gnu_ld_symbolic+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+
+acl_cv_prog_gnu_ld_symbolic=no
+
+if test x"$with_gnu_ld" = x"yes"; then
+  if $LD --help 2>&1 </dev/null | grep Bsymbolic-functions 1>&5; then
+    acl_cv_prog_gnu_ld_symbolic=yes
+  fi
+fi
+fi
+echo "$as_me:$LINENO: result: $acl_cv_prog_gnu_ld_symbolic" >&5
+echo "${ECHO_T}$acl_cv_prog_gnu_ld_symbolic" >&6
+if test x"$acl_cv_prog_gnu_ld_symbolic" = x"yes"; then
+  SYMBOLIC_LDFLAGS="-Wl,-Bsymbolic-functions"
+else
+  SYMBOLIC_LDFLAGS=''
+fi
+
+libgcj_ld_symbolic_functions=$SYMBOLIC_LDFLAGS
+if test -z "$libgcj_ld_symbolic"; then
+  libgcj_ld_symbolic=$SYMBOLIC_LDFLAGS
+fi
+
 LIBGCJ_CFLAGS="${libgcj_cflags}"
 LIBGCJ_CXXFLAGS="${libgcj_cxxflags}"
 LIBGCJ_JAVAFLAGS="${libgcj_javaflags}"
 LIBGCJ_LD_SYMBOLIC="${libgcj_ld_symbolic}"
+LIBGCJ_LD_SYMBOLIC_FUNCTIONS="${libgcj_ld_symbolic_functions}"
+



@ -5971,7 +6016,7 @@ test x"$pic_mode" = xno && libtool_flags="$libtool_flags --prefer-non-pic"
 case $host in
 *-*-irix6*)
  # Find out which ABI we are using.
-  echo '#line 5974 "configure"' > conftest.$ac_ext
+  echo '#line 6019 "configure"' > conftest.$ac_ext
  if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
  (eval $ac_compile) 2>&5
  ac_status=$?
@ -7013,7 +7058,7 @@ if test "${enable_sjlj_exceptions+set}" = set; then
  :
 else
  cat > conftest.$ac_ext << EOF
-#line 7016 "configure"
+#line 7061 "configure"
 struct S { ~S(); };
 void bar();
 void foo()
@ -7813,7 +7858,7 @@ if test "$ac_x_libraries" = no; then
  # See if we find them without any special options.
  # Don't add to $LIBS permanently.
  ac_save_LIBS=$LIBS
-  LIBS="-lXt $LIBS"
+  LIBS="-lX11 $LIBS"
  if test x$gcc_no_link = xyes; then
  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
 echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
@ -16773,12 +16818,17 @@ if test "${have_tls+set}" = set; then
 else

    if test "$cross_compiling" = yes; then
-  cat >conftest.$ac_ext <<_ACEOF
-__thread int foo;
+  if test x$gcc_no_link = xyes; then
+  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
+   { (exit 1); exit 1; }; }
+fi
+cat >conftest.$ac_ext <<_ACEOF
+__thread int a; int b; int main() { return a = b; }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-  (eval $ac_compile) 2>conftest.er1
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
+  (eval $ac_link) 2>conftest.er1
  ac_status=$?
  grep -v '^ *+' conftest.er1 >conftest.err
  rm -f conftest.er1
@ -16792,7 +16842,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
  ac_status=$?
  echo "$as_me:$LINENO: \$? = $ac_status" >&5
  (exit $ac_status); }; } &&
-	 { ac_try='test -s conftest.$ac_objext'
+	 { ac_try='test -s conftest$ac_exeext'
  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
  (eval $ac_try) 2>&5
  ac_status=$?
@ -16805,7 +16855,8 @@ sed 's/^/| /' conftest.$ac_ext >&5

 have_tls=no
 fi
-rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+rm -f conftest.err conftest.$ac_objext \
+      conftest$ac_exeext conftest.$ac_ext

 else
  cat >conftest.$ac_ext <<_ACEOF
@ -17964,6 +18015,7 @@ s,@LIBGCJ_CFLAGS@,$LIBGCJ_CFLAGS,;t t
 s,@LIBGCJ_CXXFLAGS@,$LIBGCJ_CXXFLAGS,;t t
 s,@LIBGCJ_JAVAFLAGS@,$LIBGCJ_JAVAFLAGS,;t t
 s,@LIBGCJ_LD_SYMBOLIC@,$LIBGCJ_LD_SYMBOLIC,;t t
+s,@LIBGCJ_LD_SYMBOLIC_FUNCTIONS@,$LIBGCJ_LD_SYMBOLIC_FUNCTIONS,;t t
 s,@LIBGCJDEBUG@,$LIBGCJDEBUG,;t t
 s,@TOOLKIT@,$TOOLKIT,;t t
 s,@XLIB_AWT_TRUE@,$XLIB_AWT_TRUE,;t t
--- a/libjava/configure.ac
+++ b/libjava/configure.ac
@ -173,14 +173,22 @@ libgcj_javaflags=

 . ${srcdir}/configure.host

+ACX_PROG_LD_GNU_SYMBOLIC
+libgcj_ld_symbolic_functions=$SYMBOLIC_LDFLAGS
+if test -z "$libgcj_ld_symbolic"; then
+  libgcj_ld_symbolic=$SYMBOLIC_LDFLAGS
+fi
+
 LIBGCJ_CFLAGS="${libgcj_cflags}"
 LIBGCJ_CXXFLAGS="${libgcj_cxxflags}"
 LIBGCJ_JAVAFLAGS="${libgcj_javaflags}"
 LIBGCJ_LD_SYMBOLIC="${libgcj_ld_symbolic}"
+LIBGCJ_LD_SYMBOLIC_FUNCTIONS="${libgcj_ld_symbolic_functions}"
 AC_SUBST(LIBGCJ_CFLAGS)
 AC_SUBST(LIBGCJ_CXXFLAGS)
 AC_SUBST(LIBGCJ_JAVAFLAGS)
 AC_SUBST(LIBGCJ_LD_SYMBOLIC)
+AC_SUBST(LIBGCJ_LD_SYMBOLIC_FUNCTIONS)

 # Only use libltdl for non-newlib builds.
 if test "x${with_newlib}" = "x" || test "x${with_newlib}" = "xno"; then
--- a/libjava/gcj/Makefile.in
+++ b/libjava/gcj/Makefile.in
@ -48,6 +48,7 @@ am__aclocal_m4_deps = $(top_srcdir)/../config/acx.m4 \
 	$(top_srcdir)/../config/gxx-include-dir.m4 \
 	$(top_srcdir)/../config/iconv.m4 \
 	$(top_srcdir)/../config/lcmessage.m4 \
+	$(top_srcdir)/../config/ld-symbolic.m4 \
 	$(top_srcdir)/../config/lead-dot.m4 \
 	$(top_srcdir)/../config/lib-ld.m4 \
 	$(top_srcdir)/../config/lib-link.m4 \
@ -166,6 +167,7 @@ LIBGCJ_CFLAGS = @LIBGCJ_CFLAGS@
 LIBGCJ_CXXFLAGS = @LIBGCJ_CXXFLAGS@
 LIBGCJ_JAVAFLAGS = @LIBGCJ_JAVAFLAGS@
 LIBGCJ_LD_SYMBOLIC = @LIBGCJ_LD_SYMBOLIC@
+LIBGCJ_LD_SYMBOLIC_FUNCTIONS = @LIBGCJ_LD_SYMBOLIC_FUNCTIONS@
 LIBGCJ_SPEC = @LIBGCJ_SPEC@
 LIBICONV = @LIBICONV@
 LIBLTDL = @LIBLTDL@
--- a/libjava/include/Makefile.in
+++ b/libjava/include/Makefile.in
@ -47,6 +47,7 @@ am__aclocal_m4_deps = $(top_srcdir)/../config/acx.m4 \
 	$(top_srcdir)/../config/gxx-include-dir.m4 \
 	$(top_srcdir)/../config/iconv.m4 \
 	$(top_srcdir)/../config/lcmessage.m4 \
+	$(top_srcdir)/../config/ld-symbolic.m4 \
 	$(top_srcdir)/../config/lead-dot.m4 \
 	$(top_srcdir)/../config/lib-ld.m4 \
 	$(top_srcdir)/../config/lib-link.m4 \
@ -165,6 +166,7 @@ LIBGCJ_CFLAGS = @LIBGCJ_CFLAGS@
 LIBGCJ_CXXFLAGS = @LIBGCJ_CXXFLAGS@
 LIBGCJ_JAVAFLAGS = @LIBGCJ_JAVAFLAGS@
 LIBGCJ_LD_SYMBOLIC = @LIBGCJ_LD_SYMBOLIC@
+LIBGCJ_LD_SYMBOLIC_FUNCTIONS = @LIBGCJ_LD_SYMBOLIC_FUNCTIONS@
 LIBGCJ_SPEC = @LIBGCJ_SPEC@
 LIBICONV = @LIBICONV@
 LIBLTDL = @LIBLTDL@
--- a/libjava/testsuite/Makefile.in
+++ b/libjava/testsuite/Makefile.in
@ -45,6 +45,7 @@ am__aclocal_m4_deps = $(top_srcdir)/../config/acx.m4 \
 	$(top_srcdir)/../config/gxx-include-dir.m4 \
 	$(top_srcdir)/../config/iconv.m4 \
 	$(top_srcdir)/../config/lcmessage.m4 \
+	$(top_srcdir)/../config/ld-symbolic.m4 \
 	$(top_srcdir)/../config/lead-dot.m4 \
 	$(top_srcdir)/../config/lib-ld.m4 \
 	$(top_srcdir)/../config/lib-link.m4 \
@ -154,6 +155,7 @@ LIBGCJ_CFLAGS = @LIBGCJ_CFLAGS@
 LIBGCJ_CXXFLAGS = @LIBGCJ_CXXFLAGS@
 LIBGCJ_JAVAFLAGS = @LIBGCJ_JAVAFLAGS@
 LIBGCJ_LD_SYMBOLIC = @LIBGCJ_LD_SYMBOLIC@
+LIBGCJ_LD_SYMBOLIC_FUNCTIONS = @LIBGCJ_LD_SYMBOLIC_FUNCTIONS@
 LIBGCJ_SPEC = @LIBGCJ_SPEC@
 LIBICONV = @LIBICONV@
 LIBLTDL = @LIBLTDL@