svn diff -r151567:151568 svn+ssh://gcc.gnu.org/svn/gcc/trunk

2009-09-09  Jakub Jelinek  <jakub@redhat.com>

	* config/t-slibgcc-elf-ver (SHLIB_MAKE_SOLINK, SHLIB_INSTALL_SOLINK):
	New variables.
	(SHLIB_LINK, SHLIB_INSTALL): Use them.
	* config/t-slibgcc-libgcc: New file.
	* config.gcc (powerpc*-*-linux*, powerpc*-*-gnu*): Use it.

--- gcc/config.gcc	(revision 151567)
+++ gcc/config.gcc	(revision 151568)
@@ -1738,12 +1738,12 @@ powerpc64-*-linux*)
 		tm_file="rs6000/secureplt.h ${tm_file}"
 	fi
 	extra_options="${extra_options} rs6000/sysv4.opt rs6000/linux64.opt"
-	tmake_file="t-dfprules rs6000/t-fprules ${tmake_file} rs6000/t-ppccomm rs6000/t-linux64 rs6000/t-fprules-softfp soft-fp/t-softfp"
+	tmake_file="t-dfprules rs6000/t-fprules ${tmake_file} t-slibgcc-libgcc rs6000/t-ppccomm rs6000/t-linux64 rs6000/t-fprules-softfp soft-fp/t-softfp"
 	;;
 powerpc64-*-gnu*)
 	tm_file="${cpu_type}/${cpu_type}.h elfos.h svr4.h freebsd-spec.h gnu.h rs6000/sysv4.h rs6000/linux64.h rs6000/gnu.h"
 	extra_options="${extra_options} rs6000/sysv4.opt rs6000/linux64.opt"
-	tmake_file="rs6000/t-fprules t-slibgcc-elf-ver t-gnu rs6000/t-linux64 rs6000/t-fprules-softfp soft-fp/t-softfp"
+	tmake_file="rs6000/t-fprules t-slibgcc-elf-ver t-slibgcc-libgcc t-gnu rs6000/t-linux64 rs6000/t-fprules-softfp soft-fp/t-softfp"
 	;;
 powerpc-*-darwin*)
 	extra_options="${extra_options} rs6000/darwin.opt"
@@ -1820,22 +1820,22 @@ powerpc-*-rtems*)
 powerpc-*-linux*altivec*)
 	tm_file="${tm_file} dbxelf.h elfos.h svr4.h freebsd-spec.h rs6000/sysv4.h rs6000/linux.h rs6000/linuxaltivec.h"
 	extra_options="${extra_options} rs6000/sysv4.opt"
-	tmake_file="rs6000/t-fprules rs6000/t-fprules-softfp soft-fp/t-softfp rs6000/t-ppcos ${tmake_file} rs6000/t-ppccomm"
+	tmake_file="rs6000/t-fprules rs6000/t-fprules-softfp soft-fp/t-softfp rs6000/t-ppcos ${tmake_file} t-slibgcc-libgcc rs6000/t-ppccomm"
 	;;
 powerpc-*-linux*spe*)
 	tm_file="${tm_file} dbxelf.h elfos.h svr4.h freebsd-spec.h rs6000/sysv4.h rs6000/linux.h rs6000/linuxspe.h rs6000/e500.h"
 	extra_options="${extra_options} rs6000/sysv4.opt"
-	tmake_file="t-dfprules rs6000/t-fprules rs6000/t-fprules-softfp soft-fp/t-softfp rs6000/t-ppcos ${tmake_file} rs6000/t-ppccomm"
+	tmake_file="t-dfprules rs6000/t-fprules rs6000/t-fprules-softfp soft-fp/t-softfp rs6000/t-ppcos ${tmake_file} t-slibgcc-libgcc rs6000/t-ppccomm"
 	;;
 powerpc-*-linux*paired*)
         tm_file="${tm_file} dbxelf.h elfos.h svr4.h freebsd-spec.h rs6000/sysv4.h rs6000/linux.h rs6000/750cl.h"
         extra_options="${extra_options} rs6000/sysv4.opt"
-        tmake_file="rs6000/t-fprules rs6000/t-fprules-softfp soft-fp/t-softfp rs6000/t-ppcos ${tmake_file} rs6000/t-ppccomm"
+        tmake_file="rs6000/t-fprules rs6000/t-fprules-softfp soft-fp/t-softfp rs6000/t-ppcos ${tmake_file} t-slibgcc-libgcc rs6000/t-ppccomm"
         ;;
 powerpc-*-linux*)
 	tm_file="${tm_file} dbxelf.h elfos.h svr4.h freebsd-spec.h rs6000/sysv4.h"
 	extra_options="${extra_options} rs6000/sysv4.opt"
-	tmake_file="t-dfprules rs6000/t-fprules rs6000/t-ppcos ${tmake_file} rs6000/t-ppccomm"
+	tmake_file="t-dfprules rs6000/t-fprules rs6000/t-ppcos ${tmake_file} t-slibgcc-libgcc rs6000/t-ppccomm"
 	case ${enable_targets}:${cpu_is_64bit} in
 	    *powerpc64* | all:* | *:yes)
 		if test x$cpu_is_64bit = xyes; then
@@ -1857,14 +1857,14 @@ powerpc-*-linux*)
 powerpc-*-gnu-gnualtivec*)
 	tm_file="${cpu_type}/${cpu_type}.h elfos.h svr4.h freebsd-spec.h gnu.h rs6000/sysv4.h rs6000/linux.h rs6000/linuxaltivec.h rs6000/gnu.h"
 	extra_options="${extra_options} rs6000/sysv4.opt"
-	tmake_file="rs6000/t-fprules rs6000/t-fprules-fpbit rs6000/t-ppcos t-slibgcc-elf-ver t-gnu rs6000/t-ppccomm"
+	tmake_file="rs6000/t-fprules rs6000/t-fprules-fpbit rs6000/t-ppcos t-slibgcc-elf-ver t-slibgcc-libgcc t-gnu rs6000/t-ppccomm"
 	if test x$enable_threads = xyes; then
 		thread_file='posix'
 	fi
 	;;
 powerpc-*-gnu*)
 	tm_file="${cpu_type}/${cpu_type}.h elfos.h svr4.h freebsd-spec.h gnu.h rs6000/sysv4.h rs6000/linux.h rs6000/gnu.h"
-	tmake_file="rs6000/t-fprules rs6000/t-fprules-fpbit rs6000/t-ppcos t-slibgcc-elf-ver t-gnu rs6000/t-ppccomm"
+	tmake_file="rs6000/t-fprules rs6000/t-fprules-fpbit rs6000/t-ppcos t-slibgcc-elf-ver t-slibgcc-libgcc t-gnu rs6000/t-ppccomm"
 	extra_options="${extra_options} rs6000/sysv4.opt"
 	if test x$enable_threads = xyes; then
 		thread_file='posix'
--- gcc/config/t-slibgcc-libgcc	(revision 0)
+++ gcc/config/t-slibgcc-libgcc	(revision 151568)
@@ -0,0 +1,32 @@
+# Copyright (C) 2009 Free Software Foundation, Inc.
+#
+# This file is part of GCC.
+#
+# GCC 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 3, or (at your option)
+# any later version.
+#
+# GCC 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 GCC; see the file COPYING3.  If not see
+# <http://www.gnu.org/licenses/>.
+
+# Instead of creating $(SHLIB_SOLINK) symlink create a GNU ld
+# linker script which sources in both $(SHLIB_SONAME) and libgcc.a.
+# This is needed on targets where libgcc.a contains routines that aren't in
+# $(SHLIB_SONAME) and are needed for shared libraries.
+
+SHLIB_MAKE_SOLINK = \
+	(echo "/* GNU ld script"; \
+	 echo "   Use the shared library, but some functions are only in"; \
+	 echo "   the static library.  */"; \
+	 echo "GROUP ( $(SHLIB_SONAME) libgcc.a )" \
+	) > $(SHLIB_DIR)/$(SHLIB_SOLINK)
+SHLIB_INSTALL_SOLINK = \
+	$(INSTALL_DATA) $(SHLIB_DIR)/$(SHLIB_SOLINK) \
+	  $$(DESTDIR)$$(slibdir)$(SHLIB_SLIBDIR_QUAL)/$(SHLIB_SOLINK)
--- gcc/config/t-slibgcc-elf-ver	(revision 151567)
+++ gcc/config/t-slibgcc-elf-ver	(revision 151568)
@@ -28,6 +28,9 @@ SHLIB_OBJS = @shlib_objs@
 SHLIB_DIR = @multilib_dir@
 SHLIB_SLIBDIR_QUAL = @shlib_slibdir_qual@
 SHLIB_LC = -lc
+SHLIB_MAKE_SOLINK = $(LN_S) $(SHLIB_SONAME) $(SHLIB_DIR)/$(SHLIB_SOLINK)
+SHLIB_INSTALL_SOLINK = $(LN_S) $(SHLIB_SONAME) \
+	$$(DESTDIR)$$(slibdir)$(SHLIB_SLIBDIR_QUAL)/$(SHLIB_SOLINK)
 
 SHLIB_LINK = $(GCC_FOR_TARGET) $(LIBGCC2_CFLAGS) -shared -nodefaultlibs \
 	-Wl,--soname=$(SHLIB_SONAME) \
@@ -40,7 +43,7 @@ SHLIB_LINK = $(GCC_FOR_TARGET) $(LIBGCC2
 		$(SHLIB_DIR)/$(SHLIB_SONAME).backup; \
 	else true; fi && \
 	mv $(SHLIB_DIR)/$(SHLIB_SONAME).tmp $(SHLIB_DIR)/$(SHLIB_SONAME) && \
-	$(LN_S) $(SHLIB_SONAME) $(SHLIB_DIR)/$(SHLIB_SOLINK)
+	$(SHLIB_MAKE_SOLINK)
 # $(slibdir) double quoted to protect it from expansion while building
 # libgcc.mk.  We want this delayed until actual install time.
 SHLIB_INSTALL = \
@@ -48,7 +51,6 @@ SHLIB_INSTALL = \
 	$(INSTALL_DATA) $(SHLIB_DIR)/$(SHLIB_SONAME) \
 	  $$(DESTDIR)$$(slibdir)$(SHLIB_SLIBDIR_QUAL)/$(SHLIB_SONAME); \
 	rm -f $$(DESTDIR)$$(slibdir)$(SHLIB_SLIBDIR_QUAL)/$(SHLIB_SOLINK); \
-	$(LN_S) $(SHLIB_SONAME) \
-	  $$(DESTDIR)$$(slibdir)$(SHLIB_SLIBDIR_QUAL)/$(SHLIB_SOLINK)
+	$(SHLIB_INSTALL_SOLINK)
 SHLIB_MKMAP = $(srcdir)/mkmap-symver.awk
 SHLIB_MAPFILES = $(srcdir)/libgcc-std.ver