[google/main] Omit TARGET_LIB_PATH from RPATH_ENVVAR in HOST_EXPORTS on bootstrap builds (issue6441093)

[Simon Baldwin]

Omit TARGET_LIB_PATH from RPATH_ENVVAR in HOST_EXPORTS on bootstrap builds.

Discussion and rationale at: http://gcc.gnu.org/ml/gcc/2012-06/msg00314.html

For google/main.  Tested for bootstrap and regression.

2012-08-02  Simon Baldwin  <simonb@google.com>

	* Makefile.tpl: Omit TARGET_LIB_PATH from RPATH_ENVVAR set in
	HOST_EXPORTS on bootstrap builds.
	* Makefile.in: Regenerate.


Index: Makefile.in
===================================================================
--- Makefile.in	(revision 190013)
+++ Makefile.in	(working copy)
@@ -225,9 +225,6 @@ HOST_EXPORTS = \
 	CLOOGINC="$(HOST_CLOOGINC)"; export CLOOGINC; \
 	LIBELFLIBS="$(HOST_LIBELFLIBS)" ; export LIBELFLIBS; \
 	LIBELFINC="$(HOST_LIBELFINC)" ; export LIBELFINC; \
-@if gcc-bootstrap
-	$(RPATH_ENVVAR)=`echo "$(TARGET_LIB_PATH)$$$(RPATH_ENVVAR)" | sed 's,::*,:,g;s,^:*,,;s,:*$$,,'`; export $(RPATH_ENVVAR); \
-@endif gcc-bootstrap
 	$(RPATH_ENVVAR)=`echo "$(HOST_LIB_PATH)$$$(RPATH_ENVVAR)" | sed 's,::*,:,g;s,^:*,,;s,:*$$,,'`; export $(RPATH_ENVVAR);
 
 POSTSTAGE1_CXX_EXPORT = \
Index: Makefile.tpl
===================================================================
--- Makefile.tpl	(revision 190013)
+++ Makefile.tpl	(working copy)
@@ -228,9 +228,6 @@ HOST_EXPORTS = \
 	CLOOGINC="$(HOST_CLOOGINC)"; export CLOOGINC; \
 	LIBELFLIBS="$(HOST_LIBELFLIBS)" ; export LIBELFLIBS; \
 	LIBELFINC="$(HOST_LIBELFINC)" ; export LIBELFINC; \
-@if gcc-bootstrap
-	$(RPATH_ENVVAR)=`echo "$(TARGET_LIB_PATH)$$$(RPATH_ENVVAR)" | sed 's,::*,:,g;s,^:*,,;s,:*$$,,'`; export $(RPATH_ENVVAR); \
-@endif gcc-bootstrap
 	$(RPATH_ENVVAR)=`echo "$(HOST_LIB_PATH)$$$(RPATH_ENVVAR)" | sed 's,::*,:,g;s,^:*,,;s,:*$$,,'`; export $(RPATH_ENVVAR);
 
 POSTSTAGE1_CXX_EXPORT = \

--
This patch is available for review at http://codereview.appspot.com/6441093