Re: Compilation options

From: Randy Dunlap
Date: Mon Oct 22 2012 - 11:16:04 EST

On 10/22/2012 01:59 AM, Uwaysi Bin Kareem wrote:

> Hiya, I compiled the kernel with V=1 and noticed "-mno-sse -mno-mmx -mno-sse2 -mno-3dnow -mno-avx". Is there a way to turn this on? Alt, in what file is this string, so I can try without it.

Please teach your mail program to wrap lines around column 70-72. thanks.

That string is located in arch/x86/Makefile:

# prevent gcc from generating any FP code by mistake
KBUILD_CFLAGS += $(call cc-option,-mno-sse -mno-mmx -mno-sse2 -mno-3dnow,)
KBUILD_CFLAGS += $(call cc-option,-mno-avx,)

To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at
Please read the FAQ at