CMakeLists.txt

# Copyright (C) 2011-2013  Istituto Italiano di Tecnologia, Massachussets Institute of Techology
# Authors: Elena Ceseracciu <elena.ceseracciu@iit.it>, Matteo Santoro <msantoro@mit.edu>

cmake_minimum_required(VERSION 2.8.1)

project(gurls)

set(CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/cmake-modules ${CMAKE_MODULE_PATH})
set(CMAKE_RUNTIME_OUTPUT_DIRECTORY "${PROJECT_BINARY_DIR}/bin")
set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY "${PROJECT_BINARY_DIR}/lib")
set(CMAKE_LIBRARY_OUTPUT_DIRECTORY "${PROJECT_BINARY_DIR}/lib")

set(export_definitions)
set(EXTERNAL_PREFIX ${CMAKE_CURRENT_BINARY_DIR}/external)
set(BLAS_LAPACK_IMPLEMENTATION "OPENBLAS" CACHE STRING "Possible values: ACML, ATLAS, MKL, NETLIB, OPENBLAS, VECLIB")
if(WIN32)
    if (GURLS_USE_EXTERNAL_BLAS_LAPACK)
        if (NOT CMAKE_CL_64)
            set (Openblas_ROOT "${CMAKE_CURRENT_SOURCE_DIR}/dependencies/win32")
        endif()
    endif()
endif()
set(BOOST_MINIMUM_VERSION "1.46.0")
include(GurlsFindDependencies)
option(GURLS_BUILD_GURLSPP "Build gurls++" ON)

if(NOT BLAS_LAPACK_FOUND OR NOT Boost_FOUND) #boost should be optional at some point though
    set(GURLS_BUILD_GURLSPP OFF)
endif()

if(GURLS_BUILD_GURLSPP)

option(GURLS_BUILD_BGURLSPP "Build Bgurls++" OFF)

    option(GURLS_USE_BINARY_ARCHIVES "If ON all the data structures in GURLS are saved/loaded using binary files." ON)

    if(GURLS_USE_BINARY_ARCHIVES)
        set(export_definitions ${export_definitions} -DUSE_BINARY_ARCHIVES)
    endif(GURLS_USE_BINARY_ARCHIVES)

    if(GURLS_USE_EXTERNAL_BLAS_LAPACK OR GURLS_USE_EXTERNAL_BOOST OR GURLS_USE_EXTERNAL_HDF5)
        unset(GURLS_BUILD_SHARED_LIBS CACHE )
        set(GURLS_BUILD_SHARED_LIBS OFF) #why?
    else()
        set(GURLS_BUILD_SHARED_LIBS OFF CACHE BOOL "Build a shared library (ON) or a static one (OFF)")
    endif()

    if(GURLS_BUILD_SHARED_LIBS)

        set(GURLS_LIB_LINK SHARED)
        if(MSVC)
            set(export_definitions ${export_definitions} -D_GURLS_EXPORTS)
        endif()
    else(GURLS_BUILD_SHARED_LIBS)
        set(GURLS_LIB_LINK STATIC)
        set(export_definitions ${export_definitions} -D_GURLS_STATIC)
    endif(GURLS_BUILD_SHARED_LIBS)

    #add_definitions( -Wall )
    if(MSVC)
        set(export_definitions ${export_definitions} -D_SCL_SECURE_NO_WARNINGS)
    endif(MSVC)

    add_definitions(${export_definitions})
    #Actually build something
    if(GURLS_BUILD_GURLSPP)
        add_subdirectory(${CMAKE_CURRENT_SOURCE_DIR}/gurls++)
    endif(GURLS_BUILD_GURLSPP)

    if(GURLS_BUILD_BGURLSPP)
        add_subdirectory(${CMAKE_CURRENT_SOURCE_DIR}/bgurls++)
    endif(GURLS_BUILD_BGURLSPP)

    ### WRITE CMAKE CONFIG FILES
    #Gurls++Config.cmake for build tree
    set (export_include_dirs ${Gurls++_INCLUDE_DIRS})
    set (generated_export_file "Gurlstargets-buildtree.cmake")
    set (export_libraries)


    if(GURLS_BUILD_GURLSPP)
        set (export_libraries ${export_libraries} ${Gurls++_LIBRARY})
    endif()
    #if (GURLS_BUILD_BGURLSPP) #not ready for this yet...
    #	set (export_libraries ${export_libraries} ${BGurls++_LIBRARY})
    #endif()
	set (export_libraries ${export_libraries} ${BLAS_LAPACK_LIBRARIES} ${Boost_SERIALIZATION_LIBRARY} ${Boost_DATE_TIME_LIBRARY})
    configure_file(cmake-modules/GurlsConfig.cmake.in ${PROJECT_BINARY_DIR}/GurlsConfig.cmake @ONLY)

    #Gurls++Config.cmake for installation
    set (export_include_dirs "${CMAKE_INSTALL_PREFIX}/include")
    set (generated_export_file "Gurlstargets-install.cmake")
    configure_file(cmake-modules/GurlsConfig.cmake.in ${PROJECT_BINARY_DIR}/GurlsConfigForInstall.cmake @ONLY)
    install(FILES ${PROJECT_BINARY_DIR}/GurlsConfigForInstall.cmake DESTINATION lib/Gurls RENAME GurlsConfig.cmake)

    # uninstall target
    configure_file(
    "cmake-modules/gurls-uninstall.cmake.in"
    "${PROJECT_BINARY_DIR}/gurls-uninstall.cmake"
    IMMEDIATE @ONLY)

    add_custom_target(uninstall
        COMMAND ${CMAKE_COMMAND} -P "${PROJECT_BINARY_DIR}/gurls-uninstall.cmake")
	if( (BLAS_LAPACK_IMPLEMENTATION STREQUAL "OPENBLAS") AND WIN32)
	 if(NOT CMAKE_CL_64)
        set(dllDir ${CMAKE_SOURCE_DIR}/dependencies/win32/bin)
        set(files_to_copy ${dllDir}/libgcc_s_sjlj-1.dll
                   ${dllDir}/libgfortran-3.dll
                   ${dllDir}/libopenblas.dll
                   ${dllDir}/libquadmath-0.dll
                   ${dllDir}/libwinpthread-1.dll)
	 else(NOT CMAKE_CL_64)
	    set(dllDir ${CMAKE_SOURCE_DIR}/dependencies/amd64/lib)
        set(files_to_copy ${dllDir}/libgcc_s_seh-1.dll
                   ${dllDir}/libgfortran-3.dll
                   ${dllDir}/libopenblas.dll
                   ${dllDir}/libquadmath-0.dll
                   ${dllDir}/libwinpthread-1.dll)
	 endif(NOT CMAKE_CL_64)
        file(COPY ${files_to_copy} DESTINATION ${CMAKE_RUNTIME_OUTPUT_DIRECTORY})
        install(FILES ${files_to_copy} DESTINATION bin)

    endif()

else(GURLS_BUILD_GURLSPP)
    message(WARNING "You have disabled compilation!")
endif(GURLS_BUILD_GURLSPP)