cmake_minimum_required(VERSION 3.16) # =========== SETUP THE PROJECT ============= # Initialize the CMake project. project(Trexio VERSION 2.0.0 DESCRIPTION "TREX I/O library" LANGUAGES C Fortran ) # Request the C99 standard. set(CMAKE_C_STANDARD 99) set(CMAKE_C_STANDARD_REQUIRED ON) # By default, the shared TREXIO library is built (even without -DBUILD_SHARED_LIBS=ON). # To change this behaviour, append -DBUILD_STATIC_LIBS=ON to the cmake call. option(BUILD_SHARED_LIBS "Build the shared library" ON) option(BUILD_STATIC_LIBS "Build the static library" OFF) if(BUILD_SHARED_LIBS AND BUILD_STATIC_LIBS) set(BUILD_SHARED_LIBS OFF) endif() # ========= DEFINE TREXIO C LIBRARY ========= # Set a list of TREXIO source files that are always compiled. set(TREXIO_SOURCES src/trexio.c src/trexio_text.c ) # Conditional SHARED/STATIC build for TREXIO library. if(BUILD_SHARED_LIBS AND NOT BUILD_STATIC_LIBS) message(STATUS "TREXIO :: shared C library will be built") add_library(trexio SHARED ${TREXIO_SOURCES}) elseif(NOT BUILD_SHARED_LIBS AND BUILD_STATIC_LIBS) message(STATUS "TREXIO :: static C library will be built") add_library(trexio STATIC ${TREXIO_SOURCES}) else() message(FATAL_ERROR "Building both static and shared TREXIO simultaneously is not supported.") endif() # Set TREXIO version and include files. set_target_properties(trexio PROPERTIES VERSION ${PROJECT_VERSION} PUBLIC_HEADER include/trexio.h ) # Set directories to be included at build time. target_include_directories(trexio PRIVATE src) include_directories(include) # ============= CONFIGURE HDF5 ============== # By default TREXIO is configured with HDF5 support. # To change this, append -DENABLE-HDF5=OFF to the cmake call. option(ENABLE_HDF5 "Enable HDF5 support" ON) if(ENABLE_HDF5) # Try to detect HDF5 installation using built-in FindHDF5.cmake macro. find_package(HDF5 REQUIRED COMPONENTS C HL) if(HDF5_FOUND) message(STATUS "HDF5 version :: ${HDF5_VERSION}") message(STATUS "HDF5 include dir :: ${HDF5_INCLUDE_DIRS}") message(STATUS "HDF5 libraries :: ${HDF5_C_LIBRARIES}") else() # Download and install HDF5 library using FetchContent # ... # For now - raise a FATAL_ERROR message(FATAL_ERROR "HDF5 is enabled but not found.") endif() # If HDF5 found: # - append the trexio_hdf5.c source file with the HDF5 back end target_sources(trexio PRIVATE src/trexio_hdf5.c) # - define symbol HAVE_HDF5=1 (use to activate HDF5 back end in the preprocessor conditionals) target_compile_definitions(trexio PUBLIC HAVE_HDF5=1) # - include dirs with HDF5 header files target_include_directories(trexio PRIVATE ${HDF5_C_INCLUDE_DIRS}) # - link to HDF5 C libraries target_link_libraries(trexio PRIVATE ${HDF5_C_HL_LIBRARIES} ${HDF5_C_LIBRARIES}) endif() # ================= TESTING ================= enable_testing() # Create a list of tests for TEXT back end. set(Tests_text open_text io_dset_float_text io_dset_str_text io_safe_dset_float_text io_dset_int_text io_num_text io_str_text overwrite_all_text ) if(ENABLE_HDF5) # Create a list of tests for HDF5 back end. set(Tests_hdf5 open_hdf5 io_dset_float_hdf5 io_dset_str_hdf5 io_safe_dset_float_hdf5 io_dset_int_hdf5 io_num_hdf5 io_str_hdf5 overwrite_all_hdf5 ) # Set ${Tests} variable to the complete list of tests. set(Tests io_all ${Tests_text} ${Tests_hdf5}) else() set(Tests ${Tests_text}) endif() # Compile each TREXIO test as an executable and add them to CTest using add_test foreach(test ${Tests}) add_executable(${test} tests/${test}.c) target_link_libraries(${test} PRIVATE trexio) add_test(NAME ${test} COMMAND $) endforeach () # ============= INSTALL TREXIO ============== include(GNUInstallDirs) # Use standard GNU directories for installation of TREXIO (e.g. /usr/local/lib|include). # The installation prefix can be modified using -DCMAKE_INSTALL_PREFIX= option of cmake. install(TARGETS trexio LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR} PUBLIC_HEADER DESTINATION ${CMAKE_INSTALL_INCLUDEDIR} ) # ===========================================