This file is part of MXE. See LICENSE.md for licensing information. --- a/cmake/EigenTesting.cmake +++ b/cmake/EigenTesting.cmake @@ -324,7 +324,7 @@ # on all other system we rely on ${CMAKE_CXX_COMPILER} # supporting a "--version" or "/version" flag - if(WIN32 AND NOT CYGWIN) + if(WIN32 AND NOT CMAKE_COMPILER_IS_GNUCXX AND NOT CMAKE_COMPILER_IS_GNUCC) set(EIGEN_CXX_FLAG_VERSION "/version") else() set(EIGEN_CXX_FLAG_VERSION "--version")