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David R. Morrison wrote:
| Here are some first thoughts about how to use "universal" (aka "fat")
| binaries with fink.
|
Building fat binaries is more problematic than that, unfortunately.
configure scripts do all kinds of checking that are true on one architecture
and not anouther and build code conditionally depending on those checks. In
order to configure a fat build, one needs to do something like:
CFLAGS="-arch ppc -arch ppc64 -arch i386" CXXFLAGS="-arch ppc -arch ppc64
- -arch i386"
Then the preprocessor checks in configure will fail, so you need to pick a
preprocessor, e.g.
CPP="gcc -arch ppc -E" CXXCPP="g++ -arch ppc -E"
Now you have chosen a preprocessor, you will get configure results for that
arch and could end up building an i386 binary that does not work.
I advise against the fat approach, I know Rob Braun tried it at some point
and had issues (I cc'ed him).
Peter
- --
Peter O'Gorman - http://www.pogma.com
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