openwrtv4/target/linux/generic-2.6/patches-2.6.25/004-extra_optimization.patch
Gabor Juhos 4503efda2d refresh generic 2.6.25 patches
SVN-Revision: 11189
2008-05-18 20:26:43 +00:00

14 lines
495 B
Diff

Index: linux-2.6.25.4/Makefile
===================================================================
--- linux-2.6.25.4.orig/Makefile
+++ linux-2.6.25.4/Makefile
@@ -533,6 +533,9 @@ endif
NOSTDINC_FLAGS += -nostdinc -isystem $(shell $(CC) -print-file-name=include)
CHECKFLAGS += $(NOSTDINC_FLAGS)
+# improve gcc optimization
+CFLAGS += $(call cc-option,-funit-at-a-time,)
+
# warn about C99 declaration after statement
KBUILD_CFLAGS += $(call cc-option,-Wdeclaration-after-statement,)