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-rw-r--r--Rules.mak10
1 files changed, 9 insertions, 1 deletions
diff --git a/Rules.mak b/Rules.mak
index 36cda55af..cc6f7f125 100644
--- a/Rules.mak
+++ b/Rules.mak
@@ -144,8 +144,12 @@ ifeq ($(strip $(shell [ $(CC_MAJOR) -ge 3 ] ; echo $$?)),0)
CFLAGS_COMBINE:=$(call check_gcc,--combine,)
endif
OPTIMIZATION+=$(call check_gcc,-funit-at-a-time,)
+OPTIMIZATION+=$(call check_gcc,-fgcse-after-reload,)
+ifneq ($(CONFIG_BUILD_LIBBUSYBOX),y)
# http://gcc.gnu.org/bugzilla/show_bug.cgi?id=25795
-#PROG_CFLAGS+=$(call check_gcc,-fwhole-program,)
+# This prevents us from using -fwhole-program when we build the lib
+PROG_CFLAGS+=$(call check_gcc,-fwhole-program,)
+endif # CONFIG_BUILD_LIBBUSYBOX
endif # CONFIG_BUILD_AT_ONCE
LIB_LDFLAGS:=$(call check_ld,--enable-new-dtags,)
@@ -214,6 +218,10 @@ ifneq ($(EXTRAVERSION),)
CHECKED_CFLAGS+=$(call check_gcc,-Wstrict-prototypes,)
CHECKED_CFLAGS+=$(call check_gcc,-Wmissing-prototypes,)
CHECKED_CFLAGS+=$(call check_gcc,-Wmissing-declarations,)
+ CHECKED_CFLAGS+=$(call check_gcc,-Wunused,)
+ CHECKED_CFLAGS+=$(call check_gcc,-Winit-self,)
+ CHECKED_CFLAGS+=$(call check_gcc,-Wshadow,)
+ CHECKED_CFLAGS+=$(call check_gcc,-Wcast-align,)
endif
STRIPCMD:=$(STRIP) -s --remove-section=.note --remove-section=.comment
ifeq ($(strip $(CONFIG_STATIC)),y)