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Per-architecture -D options?
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Per-architecture -D options?


  • Subject: Per-architecture -D options?
  • From: Dave McCaldon <email@hidden>
  • Date: Fri, 10 Feb 2006 11:41:55 -0500


We have a #define that we use across many platforms, MY_BIG_ENDIAN, for big endian platforms, we pass it via -D in the makefile.  For Universal Builds, this of course complicates things because all of the -D args get passed to both compiler passes (i.e. the one for ppc and the one for i386).

Is there a way to have architecture specific -D options, for example:

gcc .... -DMY_BIG_ENDIAN_ppc -DMY_LITTLE_ENDIAN_i386

Which will turn into -DMY_BIG_ENDIAN for PPC and -DMY_LITTLE_ENDIAN for Intel?

I'm trying to avoid having to change any code (we have lots of source files ...)!

Thanks!

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