From: Paolo 'Blaisorblade' Giarrusso Date: Tue, 26 Sep 2006 08:52:37 +0000 (+0200) Subject: [PATCH] Fix boot code head.S warning X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=b3698c03eb6d4581e879d6bb0f183ed8dda96d37;p=linux-beck.git [PATCH] Fix boot code head.S warning When compiling a 64-bit kernel on an Ubuntu 6.06 32bit system (whose GCC is also a cross-compiler for x86_64) I've seen that head.o is compiled as a 64-bit file (while it should not) and ld complaining about this during linking: [AK: it happens on all systems with new binutils] ld: warning: i386:x86-64 architecture of input file `arch/x86_64/boot/compressed/head.o' is incompatible with i386 output I've verified that removing -m64 from compilation flags to turn "-m64 -traditional -m32" into "-traditional -m32" fixes the issue. Signed-off-by: Paolo 'Blaisorblade' Giarrusso Signed-off-by: Andi Kleen --- diff --git a/arch/x86_64/boot/compressed/Makefile b/arch/x86_64/boot/compressed/Makefile index f89d96f11a9f..e70fa6e1da08 100644 --- a/arch/x86_64/boot/compressed/Makefile +++ b/arch/x86_64/boot/compressed/Makefile @@ -7,7 +7,8 @@ # targets := vmlinux vmlinux.bin vmlinux.bin.gz head.o misc.o piggy.o -EXTRA_AFLAGS := -traditional -m32 +EXTRA_AFLAGS := -traditional +AFLAGS := $(subst -m64,-m32,$(AFLAGS)) # cannot use EXTRA_CFLAGS because base CFLAGS contains -mkernel which conflicts with # -m32