build: add a lib64 symlink in staging_dir/host and staging_dir/toolchain* for systems that prefer this as library path (e.g. current SuSE), fixes mpfr and gcc build

SVN-Revision: 29352

toolchain/Makefile

@@ -60,6 +60,7 @@ ifneq ($(ARCH),)
 		$(if $(QUIET),,set -x;) \
 		mkdir -p "$$dir"; \
 		cd "$$dir"; \
+		ln -sf lib lib64; \
 		mkdir -p stamp lib usr/include usr/lib ; \
 	); done
 	@grep GCC_VERSION $@ >/dev/null 2>&1 || $(INSTALL_DATA) $(TOPDIR)/toolchain/info.mk $@

tools/Makefile

@@ -83,6 +83,7 @@ $(STAGING_DIR_HOST)/.prepared: $(TMP_DIR)/.build
 	mkdir -p $(BUILD_DIR_HOST)/stamp $(STAGING_DIR_HOST)/include/sys
 	$(INSTALL_DATA) $(TOPDIR)/tools/include/*.h $(STAGING_DIR_HOST)/include/
 	$(INSTALL_DATA) $(TOPDIR)/tools/include/sys/*.h $(STAGING_DIR_HOST)/include/sys/
+	ln -sf lib $(STAGING_DIR_HOST)/lib64
 	touch $@