GCC on El Capitan – How to Use GCC on macOS El Capitan

gcc

I installed gcc via homebrew with no errors.

brew install homebrew/versions/gcc49
brew unlink gcc49 && brew link gcc49

But when I try to run gcc, clang is used instead. 

~$:gcc --version
Configured with: --prefix=/Applications/Xcode.app/Contents/Developer/usr --with-gxx-include-dir=/usr/include/c++/4.2.1
Apple LLVM version 7.0.0 (clang-700.1.76)
Target: x86_64-apple-darwin15.0.0
Thread model: posix

Edit:

~$:type gcc
gcc is /usr/bin/gcc
~$:type /usr/bin/gcc
/usr/bin/gcc is /usr/bin/gcc
~$:echo $PATH
/usr/local/sbin:/Library/Frameworks/Python.framework/Versions/3.5/bin:/usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin:/Library/TeX/texbin

Best Answer

Instead of invoking using gcc you need to call gcc-4.9. Alternately you could create an alias for gcc to point to gcc-4.9(although that is risky).

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