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added BUILD_<SHARED|STATIC>_LIBS options and comments
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@ -2,39 +2,67 @@ cmake_minimum_required(VERSION 3.16)
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# =========== SETUP THE PROJECT =============
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# Initialize the CMake project.
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project(Trexio
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VERSION 2.0.0
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DESCRIPTION "TREX I/O library"
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LANGUAGES C Fortran
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)
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# Request the C99 standard.
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set(CMAKE_C_STANDARD 99)
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set(CMAKE_C_STANDARD_REQUIRED ON)
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# By default, the shared TREXIO library is built (even without -DBUILD_SHARED_LIBS=ON).
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# To change this behaviour, append -DBUILD_STATIC_LIBS=ON to the cmake call.
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option(BUILD_SHARED_LIBS "Build the shared library" ON)
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option(BUILD_STATIC_LIBS "Build the static library" OFF)
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if(BUILD_SHARED_LIBS AND BUILD_STATIC_LIBS)
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set(BUILD_SHARED_LIBS OFF)
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endif()
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# ========= DEFINE TREXIO C LIBRARY =========
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#IF DO_SHARED
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add_library(trexio SHARED
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# Set a list of TREXIO source files that are always compiled.
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set(TREXIO_SOURCES
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src/trexio.c
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src/trexio_text.c
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)
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#ELIF DO_STATIC
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#ENDIF
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# Conditional SHARED/STATIC build for TREXIO library.
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if(BUILD_SHARED_LIBS AND NOT BUILD_STATIC_LIBS)
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message(STATUS "TREXIO :: shared C library will be built")
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add_library(trexio SHARED ${TREXIO_SOURCES})
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elseif(NOT BUILD_SHARED_LIBS AND BUILD_STATIC_LIBS)
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message(STATUS "TREXIO :: static C library will be built")
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add_library(trexio STATIC ${TREXIO_SOURCES})
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else()
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message(FATAL_ERROR "Building both static and shared TREXIO simultaneously is not supported.")
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endif()
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# Set TREXIO version and include files.
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set_target_properties(trexio PROPERTIES
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VERSION ${PROJECT_VERSION}
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PUBLIC_HEADER include/trexio.h
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)
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# Set directories to be included at build time.
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target_include_directories(trexio PRIVATE src)
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include_directories(include)
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# ============= CONFIGURE HDF5 ==============
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# By default TREXIO is configured with HDF5 support.
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# To change this, append -DENABLE-HDF5=OFF to the cmake call.
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option(ENABLE_HDF5 "Enable HDF5 support" ON)
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if(ENABLE_HDF5)
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# Try to detect HDF5 installation using built-in FindHDF5.cmake macro.
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find_package(HDF5 REQUIRED COMPONENTS C HL)
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if(HDF5_FOUND)
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@ -44,13 +72,18 @@ if(ENABLE_HDF5)
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else()
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# Download and install HDF5 library using FetchContent
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# ...
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# For now - raise a FatalError
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message(FATAL_ERROR "HDF5 is enabled not found.")
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# For now - raise a FATAL_ERROR
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message(FATAL_ERROR "HDF5 is enabled but not found.")
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endif()
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# If HDF5 found:
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# - append the trexio_hdf5.c source file with the HDF5 back end
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target_sources(trexio PRIVATE src/trexio_hdf5.c)
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# - define symbol HAVE_HDF5=1 (use to activate HDF5 back end in the preprocessor conditionals)
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target_compile_definitions(trexio PUBLIC HAVE_HDF5=1)
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# - include dirs with HDF5 header files
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target_include_directories(trexio PRIVATE ${HDF5_C_INCLUDE_DIRS})
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# - link to HDF5 C libraries
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target_link_libraries(trexio PRIVATE
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${HDF5_C_HL_LIBRARIES}
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${HDF5_C_LIBRARIES})
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@ -60,7 +93,7 @@ endif()
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enable_testing()
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# create the lists of tests
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# Create a list of tests for TEXT back end.
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set(Tests_text
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open_text
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io_dset_float_text
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@ -73,6 +106,7 @@ set(Tests_text
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)
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if(ENABLE_HDF5)
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# Create a list of tests for HDF5 back end.
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set(Tests_hdf5
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open_hdf5
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io_dset_float_hdf5
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@ -83,12 +117,14 @@ if(ENABLE_HDF5)
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io_str_hdf5
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overwrite_all_hdf5
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)
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# Set ${Tests} variable to the complete list of tests.
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set(Tests io_all ${Tests_text} ${Tests_hdf5})
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else()
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set(Tests ${Tests_text})
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endif()
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# Add all the ADD_TEST for each test
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# Compile each TREXIO test as an executable and add them to CTest using add_test
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foreach(test ${Tests})
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add_executable(${test} tests/${test}.c)
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target_link_libraries(${test} PRIVATE trexio)
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@ -98,6 +134,8 @@ endforeach ()
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# ============= INSTALL TREXIO ==============
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include(GNUInstallDirs)
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# Use standard GNU directories for installation of TREXIO (e.g. /usr/local/lib|include).
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# The installation prefix can be modified using -DCMAKE_INSTALL_PREFIX=<custom/path> option of cmake.
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install(TARGETS trexio
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LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
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PUBLIC_HEADER DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}
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