[CMake] Specify an alternate C++ compiler for some source files

[Marc Tajchman]

Hi,

How to specify different compilers for different source files in 
CMakeLists.txt, e.g. if

test1.cxx must be compiled with g++
test2.cxx must be compiled with mpicxx (mpi compiler)

I tried

 > add_executable(test1.exe test1.cxx)
 > set_source_files_properties(test2.cxx PROPERTIES CMAKE_CXX_COMPILER 
${MPI_COMPILER})
 > add_executable(test2.exe test2.cxx)

but it didn't work (i.e. g++ is still used for test2.cxx -> test2.o).

Any help appreciated.

Best Regards,
Marc


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