From: Ingo Molnar Date: Thu, 1 May 2008 10:06:54 +0000 (+0200) Subject: uml: fix gcc problem X-Git-Tag: upstream/snapshot3+hdmi~25155^2~11 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=22eecde2f9034764a3fd095eecfa3adfb8ec9a98;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.git uml: fix gcc problem this is what caused gcc 4.3 to throw an internal error when OPTIMIZE_INLINING was enabled ... Signed-off-by: Ingo Molnar Signed-off-by: Thomas Gleixner --- diff --git a/arch/um/Makefile b/arch/um/Makefile index dbeab15..01b97c1 100644 --- a/arch/um/Makefile +++ b/arch/um/Makefile @@ -77,7 +77,10 @@ include $(srctree)/$(ARCH_DIR)/Makefile-os-$(OS) KERNEL_DEFINES = $(strip -Derrno=kernel_errno -Dsigprocmask=kernel_sigprocmask \ -Dmktime=kernel_mktime $(ARCH_KERNEL_DEFINES)) KBUILD_CFLAGS += $(KERNEL_DEFINES) -KBUILD_CFLAGS += $(call cc-option,-fno-unit-at-a-time,) +# Disable unit-at-a-time mode on pre-gcc-4.0 compilers, it makes gcc use +# a lot more stack due to the lack of sharing of stacklots: +KBUILD_CFLAGS += $(shell if [ $(call cc-version) -lt 0400 ] ; then \ + echo $(call cc-option,-fno-unit-at-a-time); fi ;) PHONY += linux