INCLUDE(ExternalProject)

SET(prefix ${CMAKE_BINARY_DIR}/third_party/clBLAS)

SET(clBLAS_location ${prefix}/lib/import/${CMAKE_STATIC_LIBRARY_PREFIX}clBLAS${CMAKE_STATIC_LIBRARY_SUFFIX})

IF(CMAKE_VERSION VERSION_LESS 3.2)

IF(CMAKE_GENERATOR MATCHES "Ninja")

MESSAGE(WARNING "Building clBLAS with Ninja has known issues with CMake older than 3.2")

endif()

SET(byproducts)

ELSE()

SET(byproducts BYPRODUCTS ${clBLAS_location})

ENDIF()

ExternalProject_Add(

clBLAS-ext

GIT_REPOSITORY https://github.com/arrayfire/clBLAS.git

GIT_TAG arrayfire-release-test

PREFIX "${prefix}"

INSTALL_DIR "${prefix}"

UPDATE_COMMAND ""

CONFIGURE_COMMAND ${CMAKE_COMMAND} -Wno-dev "-G${CMAKE_GENERATOR}" <SOURCE_DIR>/src

-DCMAKE_CXX_COMPILER:FILEPATH=${CMAKE_CXX_COMPILER}

"-DCMAKE_CXX_FLAGS:STRING=${CMAKE_CXX_FLAGS} -w -fPIC"

-DCMAKE_C_COMPILER:FILEPATH=${CMAKE_C_COMPILER}

"-DCMAKE_C_FLAGS:STRING=${CMAKE_C_FLAGS} -w -fPIC"

-DCMAKE_BUILD_TYPE:STRING=${CMAKE_BUILD_TYPE}

-DCMAKE_INSTALL_PREFIX:PATH=<INSTALL_DIR>

-DBUILD_SHARED_LIBS:BOOL=OFF

-DBUILD_CLIENT:BOOL=OFF

-DBUILD_TEST:BOOL=OFF

-DBUILD_KTEST:BOOL=OFF

-DSUFFIX_LIB:STRING=

${byproducts}

)

ExternalProject_Get_Property(clBLAS-ext install_dir)

ADD_LIBRARY(clBLAS IMPORTED STATIC)

SET_TARGET_PROPERTIES(clBLAS PROPERTIES IMPORTED_LOCATION ${clBLAS_location})

ADD_DEPENDENCIES(clBLAS clBLAS-ext)

SET(CLBLAS_INCLUDE_DIRS ${install_dir}/include)

SET(CLBLAS_LIBRARIES clBLAS)

SET(CLBLAS_FOUND ON)