Re: How do I include source files according to processor?
Re: How do I include source files according to processor?
- Subject: Re: How do I include source files according to processor?
- From: Steve Baxter <email@hidden>
- Date: Tue, 31 Oct 2006 22:09:18 +0000
What you could consider is to #include the right file based on the
target, e.g. in a file called machPatches.cpp you have:
#if defined( __ppc__ )
#include "machPatchesPPC.cpp"
#elif defined( __i386__ )
#include "machPatchesx86.cpp"
#else
#error Unknown processor type
#endif
This is a bit cleaner than #ifs around the whole file. Not tried it
but it should work!
Cheers,
Steve
On 31 Oct 2006, at 12:01, Steve Checkoway wrote:
On Oct 30, 2006, at 4:19 PM, Doug McLean wrote:
Hi experts. Suppose I am building a universal binary target. In
the PPC build, I want machPatchesPPC.cpp included in the build,
while for intel, I want machPatchesx86.cpp (a processor-specific
implementation of the same functions).
I know I can bracket each file with a processor-specific
conditional, but prefer not to. Is there a cleaner way to bind a
file to the compilation for a specific processor? Maybe some kind
of per-file compiler flag?
Last time I asked about this, there wasn't. I forget how long ago
that was but I really don't think it's changed in the latest
(public) version of Xcode.
What I ended up doing was creating a ppc target and an i386 target
and then lipoing the results together in a shell script build phase
for the i386 target which depended on the ppc target. I also had to
change the install name of the i386 target. That was because it was
a framework in my case.
--
Steve Checkoway
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