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SHDShim/pip_install_c_problem.md

Last active July 3, 2019 02:57
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What to do if pip fails because of c compile problem in MacOS
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pip_install_c_problem.md

If pip fails because of c compile problem in MacOS

Remove gcc in conda and run pip. gcc should be removed from the base environment.

Also, run the following in the terminal for updating xcode.

sudo open /Library/Developer/CommandLineTools/Packages/macOS_SDK_headers_for_macOS_10.14.pkg

Basically, pip should use MacOS native gcc compiler not conda gcc compiler.

Even more extreme base, you may need to remove existing commandline tools and reinstall. See instruction at: https://stackoverflow.com/questions/34617452/how-to-update-xcode-from-command-line

(before 2019/04/12)

brew install gcc

export CC=/usr/local/Cellar/gcc/8.2.0/bin/gcc-8
export CXX=/usr/local/Cellar/gcc/8.2.0/bin/g++-8

It is possible that you need to reinstall gcc in brew after changing some setups.

brew reinstall gcc

Source: SeanNaren/warp-ctc#58 (comment)

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