Re: [PATCH] fix mips/Makefile to support CROSS_COMPILE from environment var

[Thiemo Seufer <ths@networkno.de>]

Tim Bird wrote:
> The following patch allows to build using CROSS_COMPILE from the environment.
> I have an automated system which works like this, but it chokes on MIPS when
> I use it with (albeit non-standard-named) cross-compiler tools.  An easy
> workaround I'm using is to put CROSS_COMPILE on the make command line, but it would
> be nice to use the definition already in the environment when I work
> manually in the system.
> 
> For past discussion of this see:
> http://www.linux-mips.org/archives/linux-mips/2003-02/msg00196.html
> 
> I'm not sure why the change didn't make it in back in 2003, but
> if the complaint was about the use of "?=", that seems to be in use
> other places, and fairly standard now.
> 
> For example, from the top level kernel Makefile:
> ARCH            ?= $(SUBARCH)
> CROSS_COMPILE   ?=

It looks like the other arch-specific Makefiles also override the
environment. To work around the problem, you can disable
CONFIG_CROSSCOMPILE and define CROSS_COMPILE in the environment.

Strangely enough, the help for CONFIG_CROSSCOMPILE already explains
that.


Thiemo