Tag Archives: Xcode

Building native extensions since LLVM 5.1

With LLVM / clang 5.1, Apple introduced a change where any unrecognized command option causes a hard failure. Unfortunately, there are many packages in the Python package index that have not yet adapted to this change when building on OS X and include unsupported flags (in my experience it’s usually been -mno-fused-madd). I first started […]

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Installing Command Line Tools automatically on Mavericks

In Mavericks, the Xcode Command Line Tools can be downloaded from the ADC downloads page like with previous versions. Now, though, they can be also be installed on-demand in a similar fashion to how Java has been installed since Lion, by simply invoking a command installed by them such as otool, or a new option […]

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