[CMake] How to force cmake to only look for C MPI not C++

[Bruce Cartland]

By quick Google search, I meant for "cmake project command". Not sure
how I determined this originally. It was a long time ago. Probably read,
re-read, and re-read the doco - it wasn't obvious. Anyway, hope it helps.


On 18/03/14 17:22, Bruce Cartland wrote:
> Try the project command
>
> * project(yourProjectName C)
>
> It's what I use.
>
> Quick Google found this
>
> * http://www.cmake.org/cmake/help/cmake2.6docs.html#command:project
>
>
> On 18/03/14 17:09, Bibrak Qamar wrote:
>> Hi,
>>
>> I am using cmake to create Makefile. I am using MPI in my project but
>> I only want to use the C (mpicc) not C++ (mpicxx) following is the
>> CMakeLists.txt:
>>
>> I have tested it but on some platforms it seems that it only detects
>> the C++ mpi (mpicxx) and uses its libraries. This creates errors
>> (mpi.h not found) as the project only needs C (mpicc and its libraries).
>>
>> So how to force cmake to only search for C (mpicc) and use its
>> libraries (the mpi.h not mpicxx.h).
>>
>>
>>
>> ADD_LIBRARY(nativempjdev SHARED ${SOURCE_FILES})
>>
>> find_package(MPI)
>> if(MPI_FOUND)
>> set(CMAKE_C_COMPILE_FLAGS ${CMAKE_C_COMPILE_FLAGS}
>> ${MPI_C_COMPILE_FLAGS})
>> set(CMAKE_C_LINK_FLAGS ${CMAKE_C_LINK_FLAGS} ${MPI_C_LINK_FLAGS})
>>
>> include_directories(${MPI_C_INCLUDE_PATH} $ENV{JAVA_HOME}/include
>> $ENV{JAVA_HOME}/include/linux)
>> endif(MPI_FOUND)
>> target_link_libraries(nativempjdev ${MPI_C_LIBRARIES})
>> install(TARGETS nativempjdev DESTINATION $ENV{MPJ_HOME}/lib)
>>
>>
>>
>> Thanks
>> Bibrak Qamar
>>
>>
>>
>
>
>

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