acinclude.m4 (GLIBCPP_ENABLE_SYMVERS): New macro, initial revision.

2002-02-14  Phil Edwards  <pme@gcc.gnu.org>

	* acinclude.m4 (GLIBCPP_ENABLE_SYMVERS):  New macro, initial revision.
	* configure.in:  Call it.
	* config/linker-map.gnu:  New file, initial incomplete revision.
	* src/Makefile.am:  Optionally pass version script to the linker.
	* aclocal.m4:  Regenerate.
	* configure:  Regenerate.
	* src/Makefile.in:  Regenerate.

From-SVN: r49770

libstdc++-v3/ChangeLog

+2002-02-14  Phil Edwards  <pme@gcc.gnu.org>
+
+	* acinclude.m4 (GLIBCPP_ENABLE_SYMVERS):  New macro, initial revision.
+	* configure.in:  Call it.
+	* config/linker-map.gnu:  New file, initial incomplete revision.
+	* src/Makefile.am:  Optionally pass version script to the linker.
+	* aclocal.m4:  Regenerate.
+	* configure:  Regenerate.
+	* src/Makefile.in:  Regenerate.
+
 2002-02-13  Benjamin Kosnik  <bkoz@redhat.com>
 
 	* src/localename.cc: Remove stdexcept include.

libstdc++-v3/acinclude.m4

@@ -2004,3 +2004,58 @@ fi
 ])
 
 
+dnl
+dnl Add version tags to symbols in shared library (or not), additionally
+dnl marking other symbols as private/local (or not).
+dnl
+dnl GLIBCPP_ENABLE_SYMVERS
+dnl --enable-symvers adds a version script to the linker call when creating
+dnl       the shared library.
+dnl --disable-symvers does not.
+dnl  +  Usage:  GLIBCPP_ENABLE_SYMVERS[(DEFAULT)]
+dnl       Where DEFAULT is either `yes' or `no'.  If ommitted, it
+dnl       defaults to `no'.
+AC_DEFUN(GLIBCPP_ENABLE_SYMVERS, [dnl
+AC_REQUIRE([AC_PROG_LD])
+define([GLIBCPP_ENABLE_SYMVERS_DEFAULT], ifelse($1, yes, yes, no))dnl
+AC_ARG_ENABLE(symvers,
+changequote(<<, >>)dnl
+<<  --enable-symvers        enables symbol versioning of the shared library [default=>>GLIBCPP_ENABLE_SYMVERS_DEFAULT],
+changequote([, ])dnl
+[case "$enableval" in
+ yes) enable_symvers=yes ;;
+ no)  enable_symvers=no ;;
+ *)   AC_MSG_ERROR([Unknown argument to enable/disable symvers]) ;;
+ esac],
+enable_symvers=GLIBCPP_ENABLE_SYMVERS_DEFAULT)dnl
+dnl Option parsed, now set things appropriately
+AC_MSG_CHECKING([whether to version shared lib symbols])
+if test $enable_shared = no; then
+  enable_symvers=irrelevant
+fi
+# placeholder -- maybe have a fallback later
+LINKER_MAP=config/linker-map.gnu
+# symvers variable may evolve into holding the type of linker map someday
+if test $enable_symvers = yes; then
+  # flat-out assume a whole bunch of things right now
+  #
+  # The name of this variable changed between autoconf versions (our problem
+  # for depending on an impl detail, tsk tsk).  It used to be
+  # ac_cv_prog_gnu_ld but is now lt_cv_prog_gnu_ld, and is copied back into
+  # with_gnu_ld which can also be user-settable.  Let's use that one.
+  if test $with_gnu_ld = yes; then
+    # we also assume that the gnu ld in question has phil's patches... can't
+    # think today of an easy way to programatically test for that; revisit
+    LINKER_MAP=config/linker-map.gnu
+  else
+    # placeholder -- maybe have a fallback later
+    LINKER_MAP=config/linker-map.gnu
+    enable_symvers=no
+  fi
+fi
+AC_LINK_FILES($LINKER_MAP, src/linker.map)
+AM_CONDITIONAL(GLIBCPP_BUILD_VERSIONED_SHLIB, test "$enable_symvers" = yes)
+AC_MSG_RESULT($enable_symvers)
+])
+
+

libstdc++-v3/config/linker-map.gnu

+## Linker script for GNU ld 2.11.94+ only.
+##
+## Copyright (C) 2002 Free Software Foundation, Inc.
+##
+## This file is part of the libstdc++ version 3 distribution.
+##
+## This file is part of the GNU ISO C++ Library.  This library is free
+## software; you can redistribute it and/or modify it under the
+## terms of the GNU General Public License as published by the
+## Free Software Foundation; either version 2, or (at your option)
+## any later version.
+##
+## This library is distributed in the hope that it will be useful,
+## but WITHOUT ANY WARRANTY; without even the implied warranty of
+## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+## GNU General Public License for more details.
+##
+## You should have received a copy of the GNU General Public License along
+## with this library; see the file COPYING.  If not, write to the Free
+## Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+## USA.
+
+
+## The symbol version here is a SWAG based on libgcc-std.ver.
+GCC_3.1 {
+
+  global:
+
+    ## Names inside the 'extern' block are human-readable (demangled) names;
+    ## all but the last are terminated with a semicolon.
+    extern "C++"
+    {
+      std::[A-Za-z]*;
+      std::__throw_*;
+      std::__basic_file*;
+      #std::__convert_to_*;
+      std::__num_base*;
+      std::__timepunct*
+    };
+
+
+    ## Names not in an 'extern' block are mangled names.  In the non-C cases,
+    ## their demangled names are written above them, in a comment.
+    __cxa_*;
+    __gxx_personality_v0;
+    __dynamic_cast;
+
+#    DW.ref.__gxx_personality_v0;   # I have no idea what this is.
+
+######## these seem okay
+    ## operator new(unsigned)
+    _Znwj;
+
+    ## operator delete(void*)
+    _ZdlPv;
+
+    ## operator new[](unsigned)
+    _Znaj;
+
+    ## operator delete[](void*)
+    _ZdaPv;
+
+######## hmmmmm
+    ## std::_S_rb_tree_red
+    _ZSt14_S_rb_tree_red;
+
+    ## std::_S_rb_tree_black
+    _ZSt16_S_rb_tree_black;
+
+    ## std::__stl_threshold
+    _ZSt15__stl_threshold;
+
+    ## std::__stl_chunk_size
+    _ZSt16__stl_chunk_size;
+
+    ## VTT for std::basic_istringstream<char, std::char_traits<char>, std::allocator<char> >
+    _ZTTSt19basic_istringstreamIcSt11char_traitsIcESaIcEE;
+
+    ## VTT for std::basic_ostringstream<char, std::char_traits<char>, std::allocator<char> >
+    _ZTTSt19basic_ostringstreamIcSt11char_traitsIcESaIcEE;
+
+    # this is a function, "void std::__convert_to_v(stuff)", and as such
+    # doesn't work well in the demangled section above
+    _ZSt14__convert_to_v*;
+
+    # likewise for "std::_Setfill<char> std::setfill<char>(char)"
+    _ZSt7setfillIcESt8_SetfillIT_ES1_;
+
+    # likewise for "bool std::has_facet<std::ctype<char> >(std::locale const&)"
+    _ZSt9has_facetISt5ctypeIcEEbRKSt6locale;
+
+    # likewise for "bool
+    # std::has_facet<std::num_put<char, std::ostreambuf_iterator<char,
+    #                       std::char_traits<char> > > >(std::locale const&)"
+    _ZSt9has_facetISt7num_putIcSt19ostreambuf_iteratorIcSt11char_traitsIcEEEEbRKSt6locale;
+
+    # ditto for istreambuf_iterator
+    _ZSt9has_facetISt7num_getIcSt19istreambuf_iteratorIcSt11char_traitsIcEEEEbRKSt6locale;
+
+
+
+#    ## vtable for std::logic_error
+#    _ZTVSt11logic_error;
+#
+#    ## vtable for std::exception
+#    _ZTVSt9exception;
+#
+#    ## vtable for __cxxabiv1::__class_type_info
+#    _ZTVN10__cxxabiv117__class_type_infoE;
+#
+#    ## vtable for __cxxabiv1::__si_class_type_info
+#    _ZTVN10__cxxabiv120__si_class_type_infoE;
+#
+#    ## vtable for __cxxabiv1::__vmi_class_type_info
+#    _ZTVN10__cxxabiv121__vmi_class_type_infoE;
+#
+# gah, screw it, export /all/ the vtables in these namespaces, somebody
+# smarter than me will have to figure this one out
+_ZTVSt*;  _ZTVN10__cxxabiv1*;
+
+
+
+  local:
+    *;
+};
+

libstdc++-v3/configure.in

@@ -49,6 +49,7 @@ GLIBCPP_ENABLE_THREADS
 GLIBCPP_ENABLE_CXX_FLAGS([none])
 GLIBCPP_ENABLE_SJLJ_EXCEPTIONS
 GLIBCPP_ENABLE_CONCEPT_CHECKS
+GLIBCPP_ENABLE_SYMVERS([no])
 
 
 if test -n "$with_cross_host" || test x"$build" != x"$host"; then

libstdc++-v3/src/Makefile.am

 ## Makefile for the src subdirectory of the GNU C++ Standard library.
 ##
-## Copyright (C) 1997, 1998, 1999, 2000, 2001 Free Software Foundation, Inc.
+## Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002
+## Free Software Foundation, Inc.
 ##
 ## This file is part of the libstdc++ version 3 distribution.
 ## Process this file with automake to produce Makefile.in.
@@ -77,10 +78,15 @@ libstdc___la_LIBADD = \
 	../libmath/libmath.la @libio_la@ \
 	../libsupc++/libsupc++convenience.la
 
-libstdc___la_LDFLAGS = -version-info @libtool_VERSION@ -lm
+if GLIBCPP_BUILD_VERSIONED_SHLIB
+version_arg=-Wl,--version-script=linker.map
+else
+version_arg=
+endif
 
-libstdc___la_DEPENDENCIES = $(libstdc___la_LIBADD)
+libstdc___la_LDFLAGS = -version-info @libtool_VERSION@ -lm ${version_arg}
 
+libstdc___la_DEPENDENCIES = $(libstdc___la_LIBADD) linker.map
 
 # Use special rules for the deprecated source files so that they find
 # deprecated include files.

libstdc++-v3/src/Makefile.in

-# Makefile.in generated automatically by automake 1.4-p5 from Makefile.am
+# Makefile.in generated automatically by automake 1.4 from Makefile.am
 
-# Copyright (C) 1994, 1995-8, 1999, 2001 Free Software Foundation, Inc.
+# Copyright (C) 1994, 1995-8, 1999 Free Software Foundation, Inc.
 # This Makefile.in is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
@@ -66,7 +66,6 @@ AR = @AR@
 AS = @AS@
 ATOMICITY_INC_SRCDIR = @ATOMICITY_INC_SRCDIR@
 BASIC_FILE_H = @BASIC_FILE_H@
-BUILD_INCLUDED_LIBINTL = @BUILD_INCLUDED_LIBINTL@
 CATALOGS = @CATALOGS@
 CATOBJEXT = @CATOBJEXT@
 CC = @CC@
@@ -88,16 +87,16 @@ EXTRA_CXX_FLAGS = @EXTRA_CXX_FLAGS@
 GCJ = @GCJ@
 GCJFLAGS = @GCJFLAGS@
 GENCAT = @GENCAT@
-GLIBC21 = @GLIBC21@
 GLIBCPP_IS_CROSS_COMPILING = @GLIBCPP_IS_CROSS_COMPILING@
 GMOFILES = @GMOFILES@
 GMSGFMT = @GMSGFMT@
+GT_NO = @GT_NO@
+GT_YES = @GT_YES@
+INCLUDE_LOCALE_H = @INCLUDE_LOCALE_H@
 INSTOBJEXT = @INSTOBJEXT@
-INTLBISON = @INTLBISON@
+INTLDEPS = @INTLDEPS@
 INTLLIBS = @INTLLIBS@
 INTLOBJS = @INTLOBJS@
-INTL_LIBTOOL_SUFFIX_PREFIX = @INTL_LIBTOOL_SUFFIX_PREFIX@
-LIBICONV = @LIBICONV@
 LIBMATHOBJS = @LIBMATHOBJS@
 LIBSUPCXX_PICFLAGS = @LIBSUPCXX_PICFLAGS@
 LIBTOOL = @LIBTOOL@
@@ -138,6 +137,7 @@ glibcpp_toolexecdir = @glibcpp_toolexecdir@
 glibcpp_toolexeclibdir = @glibcpp_toolexeclibdir@
 gxx_include_dir = @gxx_include_dir@
 ifGNUmake = @ifGNUmake@
+l = @l@
 libio_la = @libio_la@
 libtool_VERSION = @libtool_VERSION@
 release_VERSION = @release_VERSION@
@@ -203,10 +203,12 @@ libstdc___la_LIBADD = \
 	../libmath/libmath.la @libio_la@ \
 	../libsupc++/libsupc++convenience.la
 
+@GLIBCPP_BUILD_VERSIONED_SHLIB_TRUE@version_arg = @GLIBCPP_BUILD_VERSIONED_SHLIB_TRUE@-Wl,--version-script=linker.map
+@GLIBCPP_BUILD_VERSIONED_SHLIB_FALSE@version_arg = 
 
-libstdc___la_LDFLAGS = -version-info @libtool_VERSION@ -lm
+libstdc___la_LDFLAGS = -version-info @libtool_VERSION@ -lm ${version_arg}
 
-libstdc___la_DEPENDENCIES = $(libstdc___la_LIBADD)
+libstdc___la_DEPENDENCIES = $(libstdc___la_LIBADD) linker.map
 
 # Use special rules for the deprecated source files so that they find
 # deprecated include files.
@@ -281,6 +283,14 @@ DISTFILES = $(DIST_COMMON) $(SOURCES) $(HEADERS) $(TEXINFOS) $(EXTRA_DIST)
 
 TAR = gtar
 GZIP_ENV = --best
+DEP_FILES =  .deps/basic_file.P .deps/bitset.P .deps/c++locale.P \
+.deps/cmath.P .deps/codecvt.P .deps/collate.P .deps/complex_io.P \
+.deps/concept-inst.P .deps/ctype.P .deps/ext-inst.P .deps/functexcept.P \
+.deps/globals.P .deps/ios.P .deps/limits.P .deps/locale-inst.P \
+.deps/locale.P .deps/localename.P .deps/messages.P .deps/misc-inst.P \
+.deps/moneypunct.P .deps/numpunct.P .deps/stdexcept.P .deps/stl-inst.P \
+.deps/string-inst.P .deps/strstream.P .deps/time.P \
+.deps/valarray-inst.P .deps/vterminate.P .deps/wstring-inst.P
 SOURCES = $(libstdc___la_SOURCES)
 OBJECTS = $(libstdc___la_OBJECTS)
 
@@ -288,9 +298,9 @@ all: all-redirect
 .SUFFIXES:
 .SUFFIXES: .S .c .cc .lo .o .obj .s
 $(srcdir)/Makefile.in: @MAINTAINER_MODE_TRUE@ Makefile.am $(top_srcdir)/configure.in $(ACLOCAL_M4) 
-	cd $(top_srcdir) && $(AUTOMAKE) --cygnus src/Makefile
+	cd $(top_srcdir) && $(AUTOMAKE) --gnits src/Makefile
 
-Makefile: $(srcdir)/Makefile.in  $(top_builddir)/config.status
+Makefile: $(srcdir)/Makefile.in  $(top_builddir)/config.status $(BUILT_SOURCES)
 	cd $(top_builddir) \
 	  && CONFIG_FILES=$(subdir)/$@ CONFIG_HEADERS= $(SHELL) ./config.status
 
@@ -320,9 +330,6 @@ uninstall-toolexeclibLTLIBRARIES:
 	  $(LIBTOOL)  --mode=uninstall rm -f $(DESTDIR)$(toolexeclibdir)/$$p; \
 	done
 
-.c.o:
-	$(COMPILE) -c $<
-
 # FIXME: We should only use cygpath when building on Windows,
 # and only if it is available.
 .c.obj:
@@ -345,9 +352,6 @@ distclean-compile:
 
 maintainer-clean-compile:
 
-.c.lo:
-	$(LIBTOOL) --mode=compile $(COMPILE) -c $<
-
 .s.lo:
 	$(LIBTOOL) --mode=compile $(COMPILE) -c $<
 
@@ -407,8 +411,13 @@ distdir = $(top_builddir)/$(PACKAGE)-$(VERSION)/$(subdir)
 subdir = src
 
 distdir: $(DISTFILES)
+	here=`cd $(top_builddir) && pwd`; \
+	top_distdir=`cd $(top_distdir) && pwd`; \
+	distdir=`cd $(distdir) && pwd`; \
+	cd $(top_srcdir) \
+	  && $(AUTOMAKE) --include-deps --build-dir=$$here --srcdir-name=$(top_srcdir) --output-dir=$$top_distdir --gnits src/Makefile
 	@for file in $(DISTFILES); do \
-	  if test -f $$file; then d=.; else d=$(srcdir); fi; \
+	  d=$(srcdir); \
 	  if test -d $$d/$$file; then \
 	    cp -pr $$d/$$file $(distdir)/$$file; \
 	  else \
@@ -417,16 +426,65 @@ distdir: $(DISTFILES)
 	    || cp -p $$d/$$file $(distdir)/$$file || :; \
 	  fi; \
 	done
+
+DEPS_MAGIC := $(shell mkdir .deps > /dev/null 2>&1 || :)
+
+-include $(DEP_FILES)
+
+mostlyclean-depend:
+
+clean-depend:
+
+distclean-depend:
+	-rm -rf .deps
+
+maintainer-clean-depend:
+
+%.o: %.c
+	@echo '$(COMPILE) -c $<'; \
+	$(COMPILE) -Wp,-MD,.deps/$(*F).pp -c $<
+	@-cp .deps/$(*F).pp .deps/$(*F).P; \
+	tr ' ' '\012' < .deps/$(*F).pp \
+	  | sed -e 's/^\\$$//' -e '/^$$/ d' -e '/:$$/ d' -e 's/$$/ :/' \
+	    >> .deps/$(*F).P; \
+	rm .deps/$(*F).pp
+
+%.lo: %.c
+	@echo '$(LTCOMPILE) -c $<'; \
+	$(LTCOMPILE) -Wp,-MD,.deps/$(*F).pp -c $<
+	@-sed -e 's/^\([^:]*\)\.o[ 	]*:/\1.lo \1.o :/' \
+	  < .deps/$(*F).pp > .deps/$(*F).P; \
+	tr ' ' '\012' < .deps/$(*F).pp \
+	  | sed -e 's/^\\$$//' -e '/^$$/ d' -e '/:$$/ d' -e 's/$$/ :/' \
+	    >> .deps/$(*F).P; \
+	rm -f .deps/$(*F).pp
+
+%.o: %.cc
+	@echo '$(CXXCOMPILE) -c $<'; \
+	$(CXXCOMPILE) -Wp,-MD,.deps/$(*F).pp -c $<
+	@-cp .deps/$(*F).pp .deps/$(*F).P; \
+	tr ' ' '\012' < .deps/$(*F).pp \
+	  | sed -e 's/^\\$$//' -e '/^$$/ d' -e '/:$$/ d' -e 's/$$/ :/' \
+	    >> .deps/$(*F).P; \
+	rm .deps/$(*F).pp
+
+%.lo: %.cc
+	@echo '$(LTCXXCOMPILE) -c $<'; \
+	$(LTCXXCOMPILE) -Wp,-MD,.deps/$(*F).pp -c $<
+	@-sed -e 's/^\([^:]*\)\.o[ 	]*:/\1.lo \1.o :/' \
+	  < .deps/$(*F).pp > .deps/$(*F).P; \
+	tr ' ' '\012' < .deps/$(*F).pp \
+	  | sed -e 's/^\\$$//' -e '/^$$/ d' -e '/:$$/ d' -e 's/$$/ :/' \
+	    >> .deps/$(*F).P; \
+	rm -f .deps/$(*F).pp
 info-am:
 info: info-am
 dvi-am:
 dvi: dvi-am
-check-am:
+check-am: all-am
 check: check-am
 installcheck-am:
 installcheck: installcheck-am
-install-info-am: 
-install-info: install-info-am
 install-exec-am: install-toolexeclibLTLIBRARIES
 install-exec: install-exec-am
 
@@ -456,27 +514,27 @@ distclean-generic:
 
 maintainer-clean-generic:
 mostlyclean-am:  mostlyclean-toolexeclibLTLIBRARIES mostlyclean-compile \
-		mostlyclean-libtool mostlyclean-tags \
+		mostlyclean-libtool mostlyclean-tags mostlyclean-depend \
 		mostlyclean-generic
 
 mostlyclean: mostlyclean-am
 
 clean-am:  clean-toolexeclibLTLIBRARIES clean-compile clean-libtool \
-		clean-tags clean-generic mostlyclean-am
+		clean-tags clean-depend clean-generic mostlyclean-am
 
 clean: clean-am
 
 distclean-am:  distclean-toolexeclibLTLIBRARIES distclean-compile \
-		distclean-libtool distclean-tags distclean-generic \
-		clean-am
+		distclean-libtool distclean-tags distclean-depend \
+		distclean-generic clean-am
 	-rm -f libtool
 
 distclean: distclean-am
 
 maintainer-clean-am:  maintainer-clean-toolexeclibLTLIBRARIES \
 		maintainer-clean-compile maintainer-clean-libtool \
-		maintainer-clean-tags maintainer-clean-generic \
-		distclean-am
+		maintainer-clean-tags maintainer-clean-depend \
+		maintainer-clean-generic distclean-am
 	@echo "This command is intended for maintainers to use;"
 	@echo "it deletes files that may require special tools to rebuild."
 
@@ -489,12 +547,14 @@ uninstall-toolexeclibLTLIBRARIES install-toolexeclibLTLIBRARIES \
 mostlyclean-compile distclean-compile clean-compile \
 maintainer-clean-compile mostlyclean-libtool distclean-libtool \
 clean-libtool maintainer-clean-libtool tags mostlyclean-tags \
-distclean-tags clean-tags maintainer-clean-tags distdir info-am info \
-dvi-am dvi check check-am installcheck-am installcheck install-info-am \
-install-info install-exec-am install-exec install-data-am install-data \
-install-am install uninstall-am uninstall all-redirect all-am all \
-installdirs mostlyclean-generic distclean-generic clean-generic \
-maintainer-clean-generic clean mostlyclean distclean maintainer-clean
+distclean-tags clean-tags maintainer-clean-tags distdir \
+mostlyclean-depend distclean-depend clean-depend \
+maintainer-clean-depend info-am info dvi-am dvi check check-am \
+installcheck-am installcheck install-exec-am install-exec \
+install-data-am install-data install-am install uninstall-am uninstall \
+all-redirect all-am all installdirs mostlyclean-generic \
+distclean-generic clean-generic maintainer-clean-generic clean \
+mostlyclean distclean maintainer-clean
 
 strstream.lo: strstream.cc
 	$(LTCXXCOMPILE) -I$(GLIBCPP_INCLUDE_DIR)/backward -Wno-deprecated -c $<