Files
lammps-gran-kokkos/cmake/Modules/Packages/MSCG.cmake

46 lines
1.8 KiB
CMake

if(PKG_MSCG)
find_package(GSL REQUIRED)
find_package(MSCG QUIET)
if(MSGC_FOUND)
set(DOWNLOAD_MSCG_DEFAULT OFF)
else()
set(DOWNLOAD_MSCG_DEFAULT ON)
endif()
option(DOWNLOAD_MSCG "Download MSCG library instead of using an already installed one)" ${DOWNLOAD_MSCG_DEFAULT})
if(DOWNLOAD_MSCG)
if (CMAKE_VERSION VERSION_LESS "3.7") # due to SOURCE_SUBDIR
message(FATAL_ERROR "For downlading MSCG you need at least cmake-3.7")
endif()
if(CMAKE_GENERATOR STREQUAL "Ninja")
message(FATAL_ERROR "Cannot build downloaded MSCG library with Ninja build tool")
endif()
include(ExternalProject)
if(NOT LAPACK_FOUND)
set(EXTRA_MSCG_OPTS "-DLAPACK_LIBRARIES=${CMAKE_CURRENT_BINARY_DIR}/liblinalg.a")
endif()
ExternalProject_Add(mscg_build
URL https://github.com/uchicago-voth/MSCG-release/archive/1.7.3.1.tar.gz
URL_MD5 8c45e269ee13f60b303edd7823866a91
SOURCE_SUBDIR src/CMake
CMAKE_ARGS -DCMAKE_INSTALL_PREFIX=<INSTALL_DIR> ${CMAKE_REQUEST_PIC} ${EXTRA_MSCG_OPTS}
BUILD_COMMAND make mscg INSTALL_COMMAND ""
)
ExternalProject_get_property(mscg_build BINARY_DIR)
set(MSCG_LIBRARIES ${BINARY_DIR}/libmscg.a)
ExternalProject_get_property(mscg_build SOURCE_DIR)
set(MSCG_INCLUDE_DIRS ${SOURCE_DIR}/src)
list(APPEND LAMMPS_DEPS mscg_build)
if(NOT LAPACK_FOUND)
file(MAKE_DIRECTORY ${MSCG_INCLUDE_DIRS})
add_dependencies(mscg_build linalg)
endif()
else()
find_package(MSCG)
if(NOT MSCG_FOUND)
message(FATAL_ERROR "MSCG not found, help CMake to find it by setting MSCG_LIBRARY and MSCG_INCLUDE_DIRS, or set DOWNLOAD_MSCG=ON to download it")
endif()
endif()
list(APPEND LAMMPS_LINK_LIBS ${MSCG_LIBRARIES} ${GSL_LIBRARIES} ${LAPACK_LIBRARIES})
include_directories(${MSCG_INCLUDE_DIRS})
endif()