How to specify a gcc path in pip command?

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I am trying to install cupy 5.0.0. cupy5.0.0 needs gcc version not more than 7. My deafault gcc is gcc-9. I cannot use conda environment. Also i dont have sudo permission to change /usr/bin/gcc to point to gcc-7. Is there any way to pass gcc path to pip command?

cupy pip g++ gcc
1 Answers

You can use CXX, CC and LD environment variables to specify executable names or full paths to C++ and C compilers, and the linker.

Specify the variables only for one command:

CXX=g++-7 CC=gcc-7 LD=g++-7 pip install ...

Alternatively:

export CXX=g++-7 
export CC=gcc-7
export LD=g++-7 
pip install ...

You can also pass extra compiler and linker options in CXXFLAGS, CFLAGS, LDFLAGS. Preprocessor options (e.g. include directories) go in CPPFLAGS.

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