From: Nicolas Thill <n...@openwrt.org>
Building UML with gcc < 4.3 with -funit-at-a-time for i386 causes startup
crashes, disabling funit-at-a-time works around it.
Signed-off-by: Nicolas Thill <n...@openwrt.org>
---
diff --git a/arch/um/Makefile-i386 b/arch/um/Makefile-i386
index 302cbe5..8251030 100644
--- a/arch/um/Makefile-i386
+++ b/arch/um/Makefile-i386
@@ -35,7 +35,7 @@ cflags-y += -ffreestanding
# 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. Also, gcc
# 4.3.0 needs -funit-at-a-time for extern inline functions.
-KBUILD_CFLAGS += $(shell if [ $(call cc-version) -lt 0400 ] ; then \
+KBUILD_CFLAGS += $(shell if [ $(call cc-version) -lt 0403 ] ; then \
echo $(call cc-option,-fno-unit-at-a-time); \
else echo $(call cc-option,-funit-at-a-time); fi ;)
--
1.7.4.1
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