libgo: Link against libatomic_convenience.la.

gcc/go:
	PR go/55201
	* gospec.c: Revert last patch.

gcc/testsuite:
	PR go/55201
	* lib/go.exp: Revert last patch.

From-SVN: r194593

gcc/go/ChangeLog

+2012-12-18  Ian Lance Taylor  <iant@google.com>
+
+	PR go/55201
+	* gospec.c: Revert last patch.
+
 2012-12-18  Andreas Schwab  <schwab@linux-m68k.org>
 
 	PR go/55201

gcc/go/gospec.c

@@ -45,9 +45,6 @@ along with GCC; see the file COPYING3.  If not see
 #define THREAD_LIBRARY "pthread"
 #define THREAD_LIBRARY_PROFILE THREAD_LIBRARY
 
-#define LIBATOMIC "atomic"
-#define LIBATOMIC_PROFILE LIBATOMIC
-
 #define LIBGO "go"
 #define LIBGO_PROFILE LIBGO
 #define LIBGOBEGIN "gobegin"
@@ -339,11 +336,6 @@ lang_specific_driver (struct cl_decoded_option **in_decoded_options,
       added_libraries++;
       j++;
 
-      generate_option (OPT_l, saw_profile_flag ? LIBATOMIC_PROFILE : LIBATOMIC,
-		       1, CL_DRIVER, &new_decoded_options[j]);
-      added_libraries++;
-      j++;
-
 #ifdef HAVE_LD_STATIC_DYNAMIC
       if (library > 1 && !static_link)
 	{

gcc/testsuite/ChangeLog

+2012-12-18  Ian Lance Taylor  <iant@google.com>
+
+	PR go/55201
+	* lib/go.exp: Revert last patch.
+
 2012-12-18  Richard Biener  <rguenther@suse.de>
 
 	PR middle-end/54838

gcc/testsuite/lib/go.exp

@@ -111,11 +111,6 @@ proc go_link_flags { paths } {
           append flags "-L${gccpath}/libgo/.libs "
           append ld_library_path ":${gccpath}/libgo/.libs"
       }
-      if { [file exists "${gccpath}/libatomic/.libs/libatomic.a"] \
-	   || [file exists "${gccpath}/libatomic/.libs/libatomic.${shlib_ext}"] } {
-          append flags "-L${gccpath}/libatomic/.libs "
-          append ld_library_path ":${gccpath}/libatomic/.libs"
-      }
       if [file exists "${gccpath}/libiberty/libiberty.a"] {
           append flags "-L${gccpath}/libiberty "
       }

libgo/Makefile.am

@@ -1909,7 +1909,7 @@ libgo_la_LDFLAGS = \
 
 libgo_la_LIBADD = \
 	$(libgo_go_objs) ../libbacktrace/libbacktrace.la \
-	../libatomic/libatomic.la \
+	../libatomic/libatomic_convenience.la \
 	$(LIBFFI) $(PTHREAD_LIBS) $(MATH_LIBS) $(NET_LIBS)
 
 libgobegin_a_SOURCES = \
@@ -1949,7 +1949,7 @@ GOTESTFLAGS =
 
 # Check a package.
 CHECK = \
-	GC="$(GOC) $(GOCFLAGS) $($(subst /,_,$@)_GOCFLAGS) -L `${PWD_COMMAND}` -L `${PWD_COMMAND}`/.libs -L `${PWD_COMMAND}`/../libatomic -L `${PWD_COMMAND}`/../libatomic/.libs"; \
+	GC="$(GOC) $(GOCFLAGS) $($(subst /,_,$@)_GOCFLAGS) -L `${PWD_COMMAND}` -L `${PWD_COMMAND}`/.libs"; \
 	export GC; \
 	GOLIBS="$(MATH_LIBS) $(NET_LIBS)"; \
 	export GOLIBS; \
@@ -1958,7 +1958,7 @@ CHECK = \
 	MAKE="$(MAKE)"; \
 	export MAKE; \
 	libgccdir=`${GOC} -print-libgcc-file-name | sed -e 's|/[^/]*$$||'`; \
-	LD_LIBRARY_PATH="`${PWD_COMMAND}`/.libs:`${PWD_COMMAND}`/../libatomic/.libs:$${libgccdir}:${LD_LIBRARY_PATH}"; \
+	LD_LIBRARY_PATH="`${PWD_COMMAND}`/.libs:$${libgccdir}:${LD_LIBRARY_PATH}"; \
 	LD_LIBRARY_PATH=`echo $${LD_LIBRARY_PATH} | sed 's,::*,:,g;s,^:*,,;s,:*$$,,'`; \
 	export LD_LIBRARY_PATH; \
 	$(MKDIR_P) $(@D); \

libgo/Makefile.in

@@ -175,9 +175,10 @@ am__DEPENDENCIES_2 = bufio.lo bytes.lo bytes/index.lo crypto.lo \
 	testing/iotest.lo testing/quick.lo unicode/utf16.lo \
 	unicode/utf8.lo
 libgo_la_DEPENDENCIES = $(am__DEPENDENCIES_2) \
-	../libbacktrace/libbacktrace.la ../libatomic/libatomic.la \
+	../libbacktrace/libbacktrace.la \
+	../libatomic/libatomic_convenience.la $(am__DEPENDENCIES_1) \
 	$(am__DEPENDENCIES_1) $(am__DEPENDENCIES_1) \
-	$(am__DEPENDENCIES_1) $(am__DEPENDENCIES_1)
+	$(am__DEPENDENCIES_1)
 @LIBGO_IS_LINUX_FALSE@am__objects_1 = lock_sema.lo thread-sema.lo
 @LIBGO_IS_LINUX_TRUE@am__objects_1 = lock_futex.lo thread-linux.lo
 @HAVE_SYS_MMAN_H_FALSE@am__objects_2 = mem_posix_memalign.lo
@@ -2037,7 +2038,7 @@ libgo_la_LDFLAGS = \
 
 libgo_la_LIBADD = \
 	$(libgo_go_objs) ../libbacktrace/libbacktrace.la \
-	../libatomic/libatomic.la \
+	../libatomic/libatomic_convenience.la \
 	$(LIBFFI) $(PTHREAD_LIBS) $(MATH_LIBS) $(NET_LIBS)
 
 libgobegin_a_SOURCES = \
@@ -2072,7 +2073,7 @@ GOTESTFLAGS =
 
 # Check a package.
 CHECK = \
-	GC="$(GOC) $(GOCFLAGS) $($(subst /,_,$@)_GOCFLAGS) -L `${PWD_COMMAND}` -L `${PWD_COMMAND}`/.libs -L `${PWD_COMMAND}`/../libatomic -L `${PWD_COMMAND}`/../libatomic/.libs"; \
+	GC="$(GOC) $(GOCFLAGS) $($(subst /,_,$@)_GOCFLAGS) -L `${PWD_COMMAND}` -L `${PWD_COMMAND}`/.libs"; \
 	export GC; \
 	GOLIBS="$(MATH_LIBS) $(NET_LIBS)"; \
 	export GOLIBS; \
@@ -2081,7 +2082,7 @@ CHECK = \
 	MAKE="$(MAKE)"; \
 	export MAKE; \
 	libgccdir=`${GOC} -print-libgcc-file-name | sed -e 's|/[^/]*$$||'`; \
-	LD_LIBRARY_PATH="`${PWD_COMMAND}`/.libs:`${PWD_COMMAND}`/../libatomic/.libs:$${libgccdir}:${LD_LIBRARY_PATH}"; \
+	LD_LIBRARY_PATH="`${PWD_COMMAND}`/.libs:$${libgccdir}:${LD_LIBRARY_PATH}"; \
 	LD_LIBRARY_PATH=`echo $${LD_LIBRARY_PATH} | sed 's,::*,:,g;s,^:*,,;s,:*$$,,'`; \
 	export LD_LIBRARY_PATH; \
 	$(MKDIR_P) $(@D); \