Re: Release build fails
Re: Release build fails
- Subject: Re: Release build fails
- From: Michael McLaughlin <email@hidden>
- Date: Tue, 09 Oct 2007 15:48:02 -0400
- Thread-topic: Release build fails
Greg Guerin's reply (below) is correct, as I discovered minutes prior to
seeing it.
The Release build of an Altivec-specific library failed because the Release
architecture included i386 as well as ppc. With deletion of the former, the
build was successful.
I created parallel projects in Xcode and CodeWarrior to test the library.
Sadly, CW executed four times *faster* than Xcode on the same G5 platform.
Both were set up to use Altivec so the difference is a mystery -- so far.
Perhaps it has to do with the SIOUX (console) interface I added in the CW
version. Still, the output was negligible (just one line).
Michael McLaughlin wrote:
>union W128_T {
> vector unsigned int s; <-- error: parse error before vector
> uint32_t u[4];
>};
>
>The most relevant configuration settings are C99 and Enable Altivec
>Extensions, the same in both builds.
>
>Could anyone suggest where I might start looking?
>
>Note: I am using Xcode 2.4.1 and OS X 10.4.10.
What CPU arch are you compiling on? My guess: ppc.
A Debug build defaults to native arch only (e.g. ppc). AltiVec is PPC-only
technology.
A Release build defaults to ppc and i386 archs. I suspect the i386 compile
doesn't like the AltiVec type 'vector'.
Changing the Architectures setting for the Release build to only compile
for ppc would solve this problem. Converting the source to not be
AltiVec-specific would also solve it, assuming 'vector' is AltiVec-specific.
If I'm wrong, please post a detailed build transcript, or at least the part
right before the error occurs. A telltale clue would be a CompileC step
having -arch i386 as the point of failure.
-- GG
--
Mike McLaughlin
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