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cmake_minimum_required(VERSION 3.0.0)
project(hdf5_filter_plugins
LANGUAGES C CXX
VERSION 0.1.0)
include(CTest)
include(CPackComponent)
#=============================================================================
# cached variables deciding which filter plugin to build
#=============================================================================
set(ENABLE_LZ4_PLUGIN OFF CACHE BOOL "Build LZ4 filter plugin")
set(ENABLE_BZIP2_PLUGIN OFF CACHE BOOL "Build BZIP2 filter plugin")
set(ENABLE_BITSHUFFLE_PLUGIN OFF CACHE BOOL "Build with BitShuffle plugin")
#
# add the global cmake directory to the module search path. Thus we can keep
# CMake code used by all plugins at a single location and avoid code
# duplications for the build system.
#
if(NOT DEFINED CMAKE_MODULE_PATH)
message(STATUS "define an empty cmake module path")
set(CMAKE_MODULE_PATH)
endif()
list(APPEND CMAKE_MODULE_PATH ${PROJECT_SOURCE_DIR}/cmake)
#=============================================================================
# list with external libraries which must be installed
#=============================================================================
set(EXTERNAL_LIBRARIES)
#=============================================================================
# if there is a conan file in the build directory we use conan to satisfy
# the build dependencies. This is currently not implemented.
#
# Using conan is particularly useful on Windows and OSX systems but can also
# be useful on Linux systems where the required libraries are not available
# from the distributions native package repositories.
#
# Remark: if we use conan we have to ensure that all required shared
# libraries are copied to the install directory for OSX and Windows.
# For Linux we need to use RPATH for linking and copy the libraries
# to a reasonable location according to the FHS (the same is true
# for all other Unix systems).
# As a matter of fact, as we do not install the modules in a directory
# available to the system linker we can also copy all the dependencies
# directly to the directory where the plugins will be installed.
#=============================================================================
set(ENABLE_CONAN OFF CACHE BOOL "Enable dependency build with conan")
if(ENABLE_CONAN)
include(cmake/ConanSetup.cmake)
conan_cmake_run(CONANFILE conanfile.txt
BASIC_SETUP
BUILD missing)
endif()
if(ENABLE_LZ4_PLUGIN OR ENABLE_BITSHUFFLE_PLUGIN)
include(cmake/ConfigureLZ4.cmake)
if(CMAKE_SYSTEM_NAME MATCHES Windows)
list(APPEND EXTERNAL_LIBRARIES ${PROJECT_BINARY_DIR}/bin/liblz4.dll)
endif()
endif()
#=============================================================================
# some global configuration - check for things we need to build all the
# filter plugins.
#=============================================================================
#
# For building the plugin modules we only need the header files.
# However, for the tests we also need the library!
#
find_package(HDF5 REQUIRED COMPONENTS C)
if(CMAKE_SYSTEM_NAME MATCHES Windows)
add_definitions(-DH5_BUILT_AS_DYNAMIC_LIB)
link_directories(${HDF5_LIBRARY_DIRS})
list(APPEND EXTERNAL_LIBRARIES ${PROJECT_BINARY_DIR}/bin/zlib.dll
${PROJECT_BINARY_DIR}/bin/hdf5.dll
${PROJECT_BINARY_DIR}/bin/msvcp140.dll
${PROJECT_BINARY_DIR}/bin/vcruntime140.dll
${PROJECT_BINARY_DIR}/bin/hdf5_tools.dll
)
endif()
#-----------------------------------------------------------------------------
# set the installation paths
#-----------------------------------------------------------------------------
if(CMAKE_SYSTEM_NAME MATCHES Windows)
set(CMAKE_INSTALL_LIBDIR lib)
set(CMAKE_INSTALL_PLUGINDIR ${CMAKE_INSTALL_LIBDIR}/plugins)
set(CMAKE_INSTALL_SYSTEM_RUNTIME_DESTINATION ${CMAKE_INSTALL_PLUGINDIR})
#ensure that runtime libraries are installed along with the plugins
include(InstallRequiredSystemLibraries)
else()
include(GNUInstallDirs)
#
# TODO: need to setup the installation directories for Linux and Unix
# systems
#
set(CMAKE_INSTALL_PLUGINDIR ${CMAKE_INSTALL_LIBDIR}/plugins)
endif()
#-----------------------------------------------------------------------------
# set the output path for build artifacts - should make testing simpler
# (in particular when we want to test plugins simultaneously)
#-----------------------------------------------------------------------------
set(CMAKE_HDF5_PLUGIN_PATH ${PROJECT_BINARY_DIR}/plugins)
#=============================================================================
#add the subdirectories for the plugins to build
#=============================================================================
if(ENABLE_LZ4_PLUGIN)
add_subdirectory(LZ4)
endif()
if(ENABLE_BZIP2_PLUGIN)
add_subdirectory(BZIP2)
endif()
if(ENABLE_BITSHUFFLE_PLUGIN)
add_subdirectory(bitshuffle)
endif()
#=============================================================================
# setting up the MSI build for Windows
#=============================================================================
if(CMAKE_SYSTEM_NAME MATCHES Windows)
set(RESOURCE_DIR ${PROJECT_SOURCE_DIR}/resources)
set(CPACK_GENERATOR WIX)
set(CPACK_PACKAGE_VENDOR "HDFGroup")
set(CPACK_PACKAGE_VERSION_MAJOR "${PROJECT_VERSION_MAJOR}")
set(CPACK_PACKAGE_VERSION_MINOR "${PROJECT_VERSION_MINOR}")
set(CPACK_PACKAGE_VERSION_PATCH "${PROJECT_VERSION_PATCH}")
set(CPACK_RESOURCE_FILE_LICENSE "${RESOURCE_DIR}/LICENSE.txt")
set(CPACK_WIX_PATCH_FILE "${PROJECT_SOURCE_DIR}/hdf5_plugin_path_patch.xml")
install(FILES ${EXTERNAL_LIBRARIES}
DESTINATION ${CMAKE_INSTALL_PLUGINDIR})
include(CPack)
include(CPackWIX)
endif()
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