Useful environment variables for CMake

CMAKE_PREFIX_PATH

Colon-separated list with installation prefixes of third-party libraries.

This flag is useful with third-party libraries installed in non-system directories.

Example:

export CMAKE_PREFIX_PATH=$HOME/opt/rhel6-x86_64/lua-5.2.0:$HOME/opt/rhel6-x86_64/hdf5-1.8.8:$HOME/opt/rhel6-x86_64/boost_1_49_0

CXX

Path to C++ compiler.

Override default C++ compiler c++.

Example:

CXX=clang++ cmake ...

CXXFLAGS

Compilation flags for C++ compiler.

These flags extend the default C++ compiler flags.

For developers, recommended value is CXXFLAGS=-Werror to treat warnings as errors.

Example:

CXXFLAGS=-Werror cmake ...

CUDACC

Path to CUDA compiler.

Override default CUDA compiler nvcc.

CUDAFLAGS

Compilation flags for CUDA compiler.

These flags extend the default CUDA compiler flags.