Building libc++ on Mac OS X 10.6
2012 November 7
With perfect timing to trip me up, LLVM's C++ Standard Library project, libc++, just updated their build instructions after removing the special notes for building on Mac OS X 10.6. Since I don't have access to the latest OS X on my work computers, I rely on those old instructions. Understandably, Google does not index libc++'s Subversion repository browser, so those old instructions are effectively lost to search forever... unless I repost them here:
-
Start in a safe place.
$ mkdir libcxx
$ cd libcxx -
Special for Mac OS X 10.6: LLVM's C++ Standard Library ABI, libc++abi, is not included with Snow Leopard. You must install it yourself.
$ wget http://home.roadrunner.com/~hinnant/libcppabi.zip
$ unzip libcppabi.zip
$ sudo cp cxxabi.h /usr/include
$ sudo cp libc++abi.dylib /usr/lib -
Check out.
$ svn co http://llvm.org/svn/llvm-project/libcxx/trunk source
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Build.
$ cd source/lib
$ export TRIPLE=-apple-
$ export MACOSX_DEPLOYMENT_TARGET=10.6 # special for Mac OS X 10.6
$ ./buildit -
Install.
$ cd /usr/lib
$ sudo ln -s path/to/libcxx/source/lib/libc++.1.dylib
$ sudo ln -s libc++.1.dylib libc++.dylib
$ cd /usr/include/c++
$ sudo ln -s path/to/libcxx/source/include v1