Re: [PATCH] Allow compiling i386 with an x86-64 compiler

[Tom Rini]

On Wed, Nov 24, 2004 at 08:22:05AM -0800, H. Peter Anvin wrote:

> This patch adds -m32 if gcc supports it, thus making it easier to 
> compile the i386 architecture with an x86-64 compiler.
> 
> Note that it adds the option to CC, since it also affects assembly code 
> and linking.  The extra level of indirection is because $(call 
> cc-option) itself uses $(CC), so just doing CC += ... would cause $(CC) 
> to be recursively defined.

Just so 'bi-arch' arches look the same, I'd like to suggest (and stolen
from ppc32) something like:
HAS_BIARCH      := $(call cc-option-yn, -m32)
ifeq ($(HAS_BIARCH),y)
CC := $(CC) -m32
endif

Up near the top...

-- 
Tom Rini
http://gate.crashing.org/~trini/
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