t-hpux-shlib (SHLIB_LINK): Remove `-lc'.

	* pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
	* pa/pa-hpux11.h (LIB_SPEC): Update comment.

From-SVN: r113894

gcc/ChangeLog

+2006-05-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
+
+	* pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
+	* pa/pa-hpux11.h (LIB_SPEC): Update comment.
+
 2006-05-18  Mike Stump  <mrs@apple.com>
 
 	Fix up vla, vm and [*] sematics.

gcc/config/pa/pa-hpux11.h

@@ -129,7 +129,10 @@ Boston, MA 02110-1301, USA.  */
    %{static:-a archive} %{shared:-b}"
 #endif
 
-/* hpux 11 has posix threads.  */
+/* HP-UX 11 has posix threads.  HP libc contains pthread stubs so that
+   non-threaded applications can be linked with a thread-safe libc
+   without a subsequent loss of performance.  For more details, see
+   <http://docs.hp.com/en/1896/pthreads.html>.  */
 #undef LIB_SPEC
 #define LIB_SPEC \
   "%{!shared:\

gcc/config/pa/t-hpux-shlib

@@ -8,8 +8,7 @@ SHLIB_DIR = @multilib_dir@
 SHLIB_SLIBDIR_QUAL = @shlib_slibdir_qual@
 
 SHLIB_LINK = $(GCC_FOR_TARGET) $(LIBGCC2_CFLAGS) -shared  -nodefaultlibs \
-	-o $(SHLIB_DIR)/$(SHLIB_NAME).tmp @multilib_flags@ \
-	$(SHLIB_OBJS) -lc && \
+	-o $(SHLIB_DIR)/$(SHLIB_NAME).tmp @multilib_flags@ $(SHLIB_OBJS) && \
         rm -f $(SHLIB_DIR)/$(SHLIB_SONAME) && \
 	if [ -f $(SHLIB_DIR)/$(SHLIB_NAME) ]; then \
 	  mv -f $(SHLIB_DIR)/$(SHLIB_NAME) $(SHLIB_DIR)/$(SHLIB_NAME).backup; \