configure.ac (libjava_cv_anon_version_script): New test.

	* configure.ac (libjava_cv_anon_version_script): New test.
	(ANONVERSCRIPT): New AM_CONDITIONAL.
	* configure: Rebuilt.
	* Makefile.am (extra_ldflags_libjava): Link with -Wl,--version-script
	if ANONVERSCRIPT.
	* Makefile.in: Rebuilt.
	(libgcj_la_DEPENDENCIES): Depend on libgcj.ver.
	* libgcj.ver: New file.

From-SVN: r121499

1 files changed, 87 insertions, 2 deletions

diff --git a/libjava/configure b/libjava/configure
index 31c43db..c879e57 100755
--- 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 multi_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 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 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 multi_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 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 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 ANONVERSCRIPT_TRUE ANONVERSCRIPT_FALSE LD_START_STATIC_SPEC LD_FINISH_STATIC_SPEC here LIBOBJS LTLIBOBJS'
 ac_subst_files=''
 
 # Initialize some variables set by options.
@@ -7868,7 +7868,7 @@ 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 "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
@@ -17054,6 +17054,82 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
 
 
+# See if linker supports anonymous version scripts.
+echo "$as_me:$LINENO: checking whether ld supports anonymous version scripts" >&5
+echo $ECHO_N "checking whether ld supports anonymous version scripts... $ECHO_C" >&6
+if test "${libjava_cv_anon_version_script+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  save_CFLAGS="$CFLAGS"; save_LDFLAGS="$LDFLAGS"
+   libjava_cv_anon_version_script=no
+   CFLAGS="$CFLAGS -fPIC"; LDFLAGS="$LDFLAGS -shared -Wl,--version-script,conftest.map"
+   echo '{ global: globalsymb*; local: *; };' > conftest.map
+   if test x$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
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+void globalsymbol (void) {} void localsymbol (void) {}
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+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
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest$ac_exeext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  libjava_cv_anon_version_script=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+fi
+rm -f conftest.err conftest.$ac_objext \
+      conftest$ac_exeext conftest.$ac_ext
+   CFLAGS="$save_CFLAGS"; LDFLAGS="$save_LDFLAGS"
+
+fi
+echo "$as_me:$LINENO: result: $libjava_cv_anon_version_script" >&5
+echo "${ECHO_T}$libjava_cv_anon_version_script" >&6
+
+
+if test "$libjava_cv_anon_version_script" = yes; then
+  ANONVERSCRIPT_TRUE=
+  ANONVERSCRIPT_FALSE='#'
+else
+  ANONVERSCRIPT_TRUE='#'
+  ANONVERSCRIPT_FALSE=
+fi
+
+
 # Check if linker supports static linking on a per library basis
 LD_START_STATIC_SPEC=
 LD_FINISH_STATIC_SPEC=
@@ -17347,6 +17423,13 @@ echo "$as_me: error: conditional \"NEEDS_DATA_START\" was never defined.
 Usually this means the macro was only invoked conditionally." >&2;}
    { (exit 1); exit 1; }; }
 fi
+if test -z "${ANONVERSCRIPT_TRUE}" && test -z "${ANONVERSCRIPT_FALSE}"; then
+  { { echo "$as_me:$LINENO: error: conditional \"ANONVERSCRIPT\" was never defined.
+Usually this means the macro was only invoked conditionally." >&5
+echo "$as_me: error: conditional \"ANONVERSCRIPT\" was never defined.
+Usually this means the macro was only invoked conditionally." >&2;}
+   { (exit 1); exit 1; }; }
+fi
 
 : ${CONFIG_STATUS=./config.status}
 ac_clean_files_save=$ac_clean_files
@@ -18134,6 +18217,8 @@ s,@libstdcxx_incdir@,$libstdcxx_incdir,;t t
 s,@ALLOCA@,$ALLOCA,;t t
 s,@PERL@,$PERL,;t t
 s,@SYSDEP_SOURCES@,$SYSDEP_SOURCES,;t t
+s,@ANONVERSCRIPT_TRUE@,$ANONVERSCRIPT_TRUE,;t t
+s,@ANONVERSCRIPT_FALSE@,$ANONVERSCRIPT_FALSE,;t t
 s,@LD_START_STATIC_SPEC@,$LD_START_STATIC_SPEC,;t t
 s,@LD_FINISH_STATIC_SPEC@,$LD_FINISH_STATIC_SPEC,;t t
 s,@here@,$here,;t t