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CMake scripts for painless usage of SuiteSparse+METIS from Visual Studio and the rest of Windows/Linux/OSX IDEs supported by CMake
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Latest commit be47632 Feb 22, 2016 @jlblancoc Update SP 4.5.1

README.md

CMake scripts for painless usage of Tim Davis' SuiteSparse (CHOLMOD,UMFPACK,AMD,LDL,SPQR,...) and METIS from Visual Studio and the rest of Windows/Linux/OSX IDEs supported by CMake. The project includes precompiled BLAS/LAPACK DLLs for easy use with Visual C++. Licensed under BSD 3-Clause License.

The goal is using one single CMake code to build against SuiteSparse in standard Linux package systems (e.g. libsuitesparse-dev) and in manual compilations under Windows.

Credits: Jose Luis Blanco (Universidad de Almeria); Jerome Esnault (INRIA).

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1. Instructions

  • (1) Install CMake.
  • (2) Only for Linux/Mac: Install LAPACK & BLAS. In Debian/Ubuntu: sudo apt-get install liblapack-dev libblas-dev
  • (3) Clone or download this project (latest release) and extract it somewhere in your disk, say SP_ROOT.

    • (OPTIONAL) CMake will download SuiteSparse sources automatically for you (skip to step 4), but you may do it manually if preferred:
      • Populate the directories within SP_ROOT with the original sources from each project:
        • SuiteSparse:
          • Download SuiteSparse-X.Y.Z.tar.gz from Tim Davis' webpage.
          • Extract it.
          • Merge (e.g. copy and paste from Windows Explorer) the tree SuiteSparse/* into SP_ROOT/SuiteSparse/*.
          • Make sure of looking for patches in the original webpage and apply them to prevent build errors.
        • METIS: (Optional, only if need METIS for partitioning)
          • Download metis-X.Y.Z.tar.gz.
          • Extract it.
          • Merge the tree metis-X.Y.Z/* into SP_ROOT/metis/*.
          • Add the command cmake_policy(SET CMP0022 NEW) right after the line project(METIS) in metis/CMakeLists.txt.
  • (4) Run CMake (cmake-gui), then:

    • Set the "Source code" directory to SP_ROOT
    • Set the "Build" directory to any empty directory, typically SP_ROOT/build
    • Press "Configure", change anything (if needed)
    • Important: I recommend setting the CMAKE_INSTALL_PREFIX or (in Windows) SUITESPARSE_INSTALL_PREFIX to some other directory different than "Program Files" or "/usr/local" so the INSTALL command does not require Admin privileges.
    • Apparently only for Linux: if you have an error like: "Cannot find source file: GKlib/conf/check_thread_storage.c", then manually adjust GKLIB_PATH to the correct path SP_ROOT/metis/GKlib.
    • Press "Generate".
    • HAVE_COMPLEX is OFF by default to avoid errors related to complex numbers in some compilers.
  • (5) Compile and install:

    • In Visual Studio, open SuiteSparseProject.sln and build the INSTALL project in Debug and Release. You may get hundreds of warnings, but it's ok.
    • In Unix: Just execute make install or sudo make install if you did set the install prefix to /usr/*
  • (6) Notice that a file SuiteSparseConfig.cmake should be located in your install directory. It will be required for your programs to correctly build and link against SuiteSparse.

  • (7) Only for Windows: You will have to append CMAKE_INSTALL_PREFIX\lib*\lapack_blas_windows\ and CMAKE_INSTALL_PREFIX\lib* to the environment variable PATH before executing any program, for Windows to localize the required BLAS/Fortran libraries (.DLLs).

2. Test program

Example CMake programs are provided for testing, based on Tim Davis' code in his manual:

3. Integration in your code (unique code for Windows/Linux)

  • Copy this FindSuiteSparse.cmake file.
  • Add a block like this to your CMake code (see complete example):

    #...
    
    # ------------------------------------------------------------------
    # Detect SuiteSparse libraries:
    # If not found automatically, set SuiteSparse_DIR in CMake to the 
    # directory where SuiteSparse was built.
    # ------------------------------------------------------------------
    LIST(APPEND CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/..") # Add the directory where FindSuiteSparse.cmake module can be found.
    
    set(SuiteSparse_USE_LAPACK_BLAS ON)
    find_package(SuiteSparse QUIET NO_MODULE)  # 1st: Try to locate the *config.cmake file.
    if(NOT SuiteSparse_FOUND)
            set(SuiteSparse_VERBOSE ON)
            find_package(SuiteSparse REQUIRED) # 2nd: Use FindSuiteSparse.cmake module
            include_directories(${SuiteSparse_INCLUDE_DIRS})
    else()
            message(STATUS "Find SuiteSparse : include(${USE_SuiteSparse})")
            include(${USE_SuiteSparse})
    endif()
    MESSAGE(STATUS "SuiteSparse_LIBS: ${SuiteSparse_LIBRARIES}")
    # ------------------------------------------------------------------
    #   End of SuiteSparse detection
    # ------------------------------------------------------------------
    
    #...
    
    #TARGET_LINK_LIBRARIES(MY_PROGRAM ${SuiteSparse_LIBRARIES})
    

Remember to set SuiteSparse_DIR to the install directory, if CMake does not find it automatically. This will not be required when suitesparse is available as a system library in a Unix/Linux environment.

4. Why did you create this project?

Porting SuiteSparse to CMake wasn't trivial because this package makes extensive usage of a one-source-multiple-objects philosophy by compiling the same sources with different compiler flags, and this ain't directly possible to CMake's design.

My workaround to this limitation includes auxiliary Python scripts and dummy source files, so the whole thing became large enough to be worth publishing online so many others may benefit.

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