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Date: Sun, 14 Jun 2009 21:20:02 -0500
From: Anthony Liguori <aliguori@us.ibm.com>
MIME-Version: 1.0
Subject: Re: [Qemu-devel] [PATCH] Fix SDL configuration for mingw32 cross
	compilation.
References: <1244880087-5277-1-git-send-email-weil@mail.berlios.de>
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To: Stefan Weil <weil@mail.berlios.de>
Cc: qemu-devel@nongnu.org

Stefan Weil wrote:
> Anthony Liguori schrieb:
>   
>> Stefan Weil wrote:
>>     
>>> When building QEMU for win32 on linux with mingw32,
>>> configure must call ${cross_prefix}-sdl-config (not
>>> sdl-config) to get the correct include and lib paths.
>>>
>>> The results of the native sdl-config are only valid
>>> for native builds. They are useless for cross builds.
>>>   
>>>       
>> No, when you cross compile sdl, you still end up with an sdl-config
>> binary.  The solution is to install the binary to a different path and
>> use PATH when building.
>>
>> Where did you get your cross build of SDL from?  I assume whoever
>> packaged it renamed the binary but it's not what sdl actually does.
>>
>>     
>
> The PATH solution works (I used it, too), but it is bad:
> you have to use a modified PATH for every cross build
> (make calls configure when the configure script is updated).
>   

Yes, this annoys me too.  One thing I thought about is that we could 
record important environment variables for use when re-running make.
It's not just PATH.  PKG_CONFIG_PATH is also important for running 
configure.  To properly cross compile, you need to set both.

Regards,

Anthony Liguori