how to solve No CMAKE_Fortran_COMPILER could be found. ?
CMake Error at CMakeLists.txt:3 (project): No CMAKE_Fortran_COMPILER could be found.
Tell CMake where to find the compiler by setting either the environment variable "FC" or the CMake cache entry CMAKE_Fortran_COMPILER to the full path to the compiler, or to the compiler name if it is in the PATH.
-- Configuring incomplete, errors occurred!