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Explain how to create universal binaries on MacOS X.

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Bruno Haible
2008-08-17 09:19:18 +00:00
parent bebb8cc2f8
commit 2ca6f8fac0
1 changed files with 11 additions and 0 deletions
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INSTALL
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@@ -81,6 +81,17 @@ in the source code directory. After you have installed the package for
one architecture, use `make distclean' before reconfiguring for another
architecture.
On MacOS X systems, you can create libraries and executables that work
on multiple system types - known as "fat" or "universal" binaries - by
specifying multiple '-arch' options to the compiler but only a single
'-arch' option to the preprocessor. Like this:
env CC="gcc -arch i386 -arch x86_64 -arch ppc -arch ppc64" \
CXX="g++ -arch i386 -arch x86_64 -arch ppc -arch ppc64" \
CPP="gcc -arch ppc -E" \
CXXCPP="g++ -arch ppc -E" \
./configure
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