Hello, I was trying to build my Fortran project with nagfor using the Ninja generator. I ran into the below error. I am using cmake version 3.9.0.
I found a discussion of a similar error at http://public.kitware.com/pipermail/cmake/2016-December/064710.html If I add the following line for the NAG compiler, then the error goes away: set(CMAKE_Fortran_PREPROCESS_SOURCE "<CMAKE_Fortran_COMPILER> -fpp <DEFINES> <INCLUDES> <FLAGS> -F <SOURCE> -o <PREPROCESSED_SOURCE>") I thought I should mention this in case you wanted to add it to CMake. -Josh $ cmake ../test -GNinja -DCMAKE_BUILD_TYPE=DEBUG -DCMAKE_Fortran_COMPILER=nagfor -- The C compiler identification is GNU 4.5.1 -- The CXX compiler identification is GNU 4.5.1 -- Check for working C compiler: /usr/bin/cc -- Check for working C compiler: /usr/bin/cc -- works -- Detecting C compiler ABI info -- Detecting C compiler ABI info - done -- Detecting C compile features -- Detecting C compile features - done -- Check for working CXX compiler: /usr/bin/c++ -- Check for working CXX compiler: /usr/bin/c++ -- works -- Detecting CXX compiler ABI info -- Detecting CXX compiler ABI info - done -- Detecting CXX compile features -- Detecting CXX compile features - done -- The Fortran compiler identification is NAG 6.1.6120 -- Detecting NAG Fortran directory -- Detecting NAG Fortran directory - /home/joshua/opt/nag/nagfor_6120/lib/NAG_Fortran -- Check for working Fortran compiler: /home/joshua/opt/nag/nagfor_6120/bin/nagfor CMake Error: Error required internal CMake variable not set, cmake may not be built correctly. Missing variable is: CMAKE_Fortran_PREPROCESS_SOURCE CMake Error at /home/joshua/opt/cmake/cmake-3.9.0-Linux-x86_64/share/cmake-3.9/Modules/CMakeTestFortranCompiler.cmake:30 (try_compile): Failed to generate test project build system. Call Stack (most recent call first): CMakeLists.txt:5 (enable_language) -- Configuring incomplete, errors occurred!
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