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Fix 10.5 SDK PowerPC64 libgcc_s.10.5.dylib link errors. #74

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Fix 10.5 SDK PowerPC64 libgcc_s.10.5.dylib link errors. #74

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8 changes: 6 additions & 2 deletions XcodeLegacy.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -596,11 +596,15 @@ EOF

if [ "$osx105" = 1 ]; then
# we also need to copy /usr/lib/libgcc_s.10.5.dylib from 10.6 SDK to 10.5SDK, see https://trac.macports.org/wiki/LeopardSDKFixes
# Do this by combining it with the PowerPC64 library from the 10.5 SDK so it doesn't break PowerPC64 builds.
# This should fix compiling the following:
# int main() { __uint128_t a = 100; __uint128_t b = 200; __uint128_t c = a / b; return 0; }
# with clang -isysroot /Developer/SDKs/MacOSX10.5.sdk -Wl,-syslibroot,/Developer/SDKs/MacOSX10.5.sdk -mmacosx-version-min=10.5 conftest1.c
cp /tmp/XC3-10.5/SDKs/MacOSX10.5.sdk/usr/lib/libgcc_s.10.5.dylib /tmp/XC3-10.5/SDKs/MacOSX10.5.sdk/usr/lib/libgcc_s.10.5.dylib.bak
cp $SDKROOT/usr/lib/libgcc_s.10.5.dylib /tmp/XC3-10.5/SDKs/MacOSX10.5.sdk/usr/lib/libgcc_s.10.5.dylib
(cd /tmp/XC3-10.5/SDKs/MacOSX10.5.sdk/usr/lib/ &&
cp libgcc_s.10.5.dylib libgcc_s.10.5.dylib.bak &&
lipo libgcc_s.10.5.dylib.bak -extract ppc64 -output _ppc64.dylib &&
lipo -create $SDKROOT/usr/lib/libgcc_s.10.5.dylib _ppc64.dylib -output libgcc_s.10.5.dylib &&
rm _ppc64.dylib)

( (cd /tmp/XC3-10.5 || exit; tar cf - SDKs/MacOSX10.5.sdk) | gzip -c > Xcode105SDK.tar.gz) && echo "*** Created Xcode105SDK.tar.gz in directory $(pwd)"
fi
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