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revision 1189 by schoenebeck, Sun May 6 16:17:48 2007 UTC revision 1190 by schoenebeck, Wed May 16 20:38:55 2007 UTC
# Line 48  Layout of the Directories Line 48  Layout of the Directories
48  Universal Binaries  Universal Binaries
49  ------------------  ------------------
50    
51    Universal Binaries are not automatically created by the XCode project.    You can create the Universal Binaries by selecting "Deployment_UB" build
52    However, it is easy to create them by hands as follows:    style and build. The binaries for i386 and ppc architectures are built
53      separately and then automatically combined. The products are found in
54      $LIBGIG/../temp_build/Deployment_UB/local/{bin,lib}.
55        
56    $ cd $LIBGIG   # Move to the libgig directory    You can also create the binaries for i386 and ppc architectures
57    $ mkdir -p ../temp_build/UB/bin ../temp_build/UB/lib    separately by selecting "Deployment_i386" and "Deployment_ppc" built
58    $ cd ../temp_build/Deployment_ppc    styles respectively. This may be more convenient when you make your
59    $ for i in bin/* lib/*.a; do    binary exclusively for your own use, and/or the required libraries
60      lipo -create $i ../Deployment_i386/$i -output ../UB/$i    (e.g. libsndfile, see below) are available only for a single
61      done    architecture.
62    
63      Note that the current XCode project does _not_ take care of libgig.la
64      and pkgconfig/gig.pc when creating the Universal Binary.
65      
66    The libgig project is dependent on libsndfile, but you may not    The libgig project is dependent on libsndfile, but you may not
67    have a Universal Binary version of libsndfile. Don't worry, you    have a Universal Binary version of libsndfile. Don't worry, you
68    can still create UB of libgig products. Follow these steps:    can still create UB of libgig products. Follow these steps:
# Line 80  Universal Binaries Line 85  Universal Binaries
85    After these steps, the i386 and ppc versions of libsndfile.a are    After these steps, the i386 and ppc versions of libsndfile.a are
86    created in $LIBGIG/../temp_build/Deployment_$ARCH/local/lib    created in $LIBGIG/../temp_build/Deployment_$ARCH/local/lib
87    ($ARCH is either i386 or ppc). Now you can double-click on    ($ARCH is either i386 or ppc). Now you can double-click on
88    libgig.xcodeproj and build libgig with Deployment_i386 and    libgig.xcodeproj and build libgig with Deployment_UB build style.
89    Deployment_ppc build styles. pkg-config will find the correct    When XCode is building libgig for each architecture, pkg-config
90    version of libsndfile.a in $LIBGIG/../temp_build/$BUILD_STYLES/    will find the correct version of libsndfile.a in $LIBGIG/../
91    local/lib.    temp_build/Deployment_{ppc,i386}/local/lib.
92    
93      (You can also easily create a Universal Binary of libsndfile.a,
94      but then you need to take care manually of the contents of
95      libsndfile.la and pkgconfig/sndfile.pc.)
96    
97  Additional Information  Additional Information
98  ----------------------  ----------------------
99    
100    The XCode project just invokes autoconf_builder.sh with after    The XCode project just invokes autoconf_builder.sh after
101    setting relevant environmental variables. If you are interested    setting relevant environmental variables. If you are interested
102    (or feel suspicious), please examine autoconf_builder.sh.    (or feel suspicious), please examine autoconf_builder.sh.
103    
104    
105  6 May 2007  6 May 2007: First written by Toshi Nagata
106  Written by Toshi Nagata  9 May 2007: Updated to account for the Deployment_UB target
107    
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