Allow library copy to fail

toolchain/gcc/gcc-uclibc-3.x.mk

@@ -332,13 +332,13 @@ $(GCC_BUILD_DIR2)/.libs_installed: $(GCC_BUILD_DIR2)/.installed
 ifeq ($(BR2_GCC_SHARED_LIBGCC),y)
 	# These are in /lib, so...
 	rm -rf $(TARGET_DIR)/usr/lib/libgcc_s*.so*
-	cp -dpf $(STAGING_DIR)/usr/$(REAL_GNU_TARGET_NAME)/lib/libgcc_s* \
+	-cp -dpf $(STAGING_DIR)/usr/$(REAL_GNU_TARGET_NAME)/lib/libgcc_s* \
 		$(TARGET_DIR)/lib/
 	-strip --strip-unneeded $(TARGET_DIR)/lib/libgcc_s*
 endif
 ifeq ($(BR2_INSTALL_LIBSTDCPP),y)
 ifeq ($(BR2_GCC_SHARED_LIBGCC),y)
-	cp -dpf $(STAGING_DIR)/lib/libstdc++.so* $(TARGET_DIR)/usr/lib/
+	-cp -dpf $(STAGING_DIR)/lib/libstdc++.so* $(TARGET_DIR)/usr/lib/
 	-strip --strip-unneeded $(TARGET_DIR)/usr/lib/libstdc++.so*
 endif
 endif

toolchain/gcc/gcc-uclibc-4.x.mk

@@ -345,12 +345,12 @@ $(GCC_BUILD_DIR2)/.libs_installed: $(GCC_BUILD_DIR2)/.installed
 ifeq ($(BR2_GCC_SHARED_LIBGCC),y)
 	# These are in /lib, so...
 	rm -rf $(TARGET_DIR)/usr/lib/libgcc_s*.so*
-	cp -dpf $(STAGING_DIR)/usr/$(REAL_GNU_TARGET_NAME)/lib/libgcc_s* \
+	-cp -dpf $(STAGING_DIR)/usr/$(REAL_GNU_TARGET_NAME)/lib/libgcc_s* \
 		$(TARGET_DIR)/lib/
 endif
 ifeq ($(BR2_INSTALL_LIBSTDCPP),y)
 ifeq ($(BR2_GCC_SHARED_LIBGCC),y)
-	cp -dpf $(STAGING_DIR)/usr/$(REAL_GNU_TARGET_NAME)/lib/libstdc++.so* \
+	-cp -dpf $(STAGING_DIR)/usr/$(REAL_GNU_TARGET_NAME)/lib/libstdc++.so* \
 		$(TARGET_DIR)/usr/lib/
 endif
 endif