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was it ever possbile to create a C++ command line tool as a fat binary in XCode (32bit and 64bit in one file)? I thought it was, but if I try it now, XCode hangs during "Creating Universal Binary."

I updated to OSX Mavericks and I am using XCode 4.6.2. It doesn't matter which compiler I choose. As soon as I set "Build Active Architecture Only" to false, the compiler hangs during "Creating Universal Binary". Additionally I am building a static C++ library in my project which has no problems to be build for 32 and 64 bit in one file.

I hope you can help me.

Cheers Georg

Georg Leidinger
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I had the same problem after updating to Mavericks. Both Xcode 4.6.3. and Xcode 3.2.6 were hanginig endlessly during "Creating Universal Binary."

As it's the lipo command line tool that's creating the universal binaries I did some research and found this discussion which solved my problems: Installing psycopg2 has it stuck between xcrun and lipo

According to the answers given there Xcode apparently didn't find lipo in the end but unfortunately shows no error message in this case.

After backing up the 10.9 version of /usr/bin/lipo and linking in /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/lipo as described in the post creating the universal binaries was working again.

Community
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user2965639
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    Unbelievable. Solved my problem too. But this is truly worrisome because with multiple Xcode installed, linking in particular tool in the chain may cause disaster later. I thought Xcode-select can handle this but apparently it is buggy on Mavericks. – kakyo Nov 19 '13 at 18:59
  • An alternative solution is to upgrade to XCode 5.x – Max Apr 04 '14 at 15:33