ELFIO/CMakeLists.txt

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CMake
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cmake_minimum_required(VERSION 3.10)
# Detect if we are the top level CMakeLists.txt or are we included in some
# other project
if(NOT DEFINED PROJECT_NAME)
set(IS_TOP_PROJECT TRUE)
endif()
# Turn this on in order to build elfio examples
option(ELFIO_BUILD_EXAMPLES "Build ELFIO examples" OFF)
# Turns this on in order to build tests
option(ELFIO_BUILD_TESTS "Build ELFIO tests" OFF)
# Read version from header file
set(version_header "elfio/elfio_version.hpp")
file(READ ${version_header} ver)
string(REGEX MATCH "#define ELFIO_VERSION \"([0-9\.]+)\"" _ ${ver})
if (NOT CMAKE_MATCH_1)
message(FATAL_ERROR "Unable to parse version from ${version_header}")
endif()
set(version ${CMAKE_MATCH_1})
# Use configure_file to make configure step depend on elfio_version.hpp
configure_file(${version_header} ${CMAKE_CURRENT_BINARY_DIR}/elfio_version.hpp.copy COPYONLY)
project(elfio VERSION ${version} LANGUAGES C CXX)
include(GNUInstallDirs)
# Create a header only CMake target for elfio
add_library(elfio INTERFACE)
add_library(elfio::elfio ALIAS elfio)
target_include_directories(
elfio
INTERFACE
$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}>
$<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>)
# If this is the top level project, add in logic to install elfio
if (IS_TOP_PROJECT)
# Enable C++11 for examples and tests
if (ELFIO_BUILD_EXAMPLES OR ELFIO_BUILD_TESTS)
set(CMAKE_CXX_STANDARD 11)
endif()
if (ELFIO_BUILD_EXAMPLES)
# set (CMAKE_CXX_FLAGS "-Wall")
add_subdirectory(examples)
endif()
if (ELFIO_BUILD_TESTS AND IS_TOP_PROJECT)
# set (CMAKE_CXX_FLAGS "-Wall")
enable_testing()
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add_custom_target(check COMMAND ${CMAKE_CTEST_COMMAND} USES_TERMINAL)
add_subdirectory(tests)
endif()
include(CMakePackageConfigHelpers)
# Create a file that includes the current project version. This will be
# installed with the elfio CMake package.
write_basic_package_version_file(
"${PROJECT_NAME}ConfigVersion.cmake"
VERSION
${PROJECT_VERSION}
COMPATIBILITY
SameMajorVersion)
# Create the default ${PROJECT_NAME}Config.cmake file which will be
# installed and found by calls to `find_package(elfio)`.
configure_package_config_file(
"${PROJECT_SOURCE_DIR}/cmake/${PROJECT_NAME}Config.cmake.in"
"${PROJECT_BINARY_DIR}/${PROJECT_NAME}Config.cmake"
INSTALL_DESTINATION
${CMAKE_INSTALL_DATAROOTDIR}/${PROJECT_NAME}/cmake)
# Install the previously generated "config" and "version" files
install(
FILES
"${PROJECT_BINARY_DIR}/${PROJECT_NAME}Config.cmake"
"${PROJECT_BINARY_DIR}/${PROJECT_NAME}ConfigVersion.cmake"
DESTINATION
${CMAKE_INSTALL_DATAROOTDIR}/${PROJECT_NAME}/cmake)
# Install the entire local `elfio` directory to the include directory
install(
DIRECTORY
elfio
DESTINATION
${CMAKE_INSTALL_INCLUDEDIR})
# Create a ${PROJECT_NAME}Targets.cmake file that is referenced by the
# ${PROJECT_NAME}Config.cmake file and includes the target information
# needed to compile/link against all targets exported under the
# ${PROJECT_NAME}_Targets export
install(
EXPORT
${PROJECT_NAME}_Targets
FILE
${PROJECT_NAME}Targets.cmake
NAMESPACE
${PROJECT_NAME}::
DESTINATION
${CMAKE_INSTALL_DATAROOTDIR}/${PROJECT_NAME}/cmake)
# Add the elfio target to the ${PROJECT_NAME}_Targets export
install(
TARGETS
elfio
EXPORT
${PROJECT_NAME}_Targets)
# cmake -B build; cmake --build build; cpack --config build/CPackSourceConfig.cmake
# cmake -B build -D ELFIO_BUILD_EXAMPLES=ON -DELFIO_BUILD_TESTS=ON -G Ninja; cmake --build build; cpack --config build/CPackSourceConfig.cmake
set(_fmt TGZ)
if(WIN32)
set(_fmt ZIP)
endif()
set(CPACK_GENERATOR ${_fmt})
set(CPACK_SOURCE_GENERATOR ${_fmt})
set(CPACK_PACKAGE_VENDOR "ELFIO")
set(CPACK_PACKAGE_CONTACT "Serge Lamikhov-Center")
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set(CPACK_RESOURCE_FILE_LICENSE "${CMAKE_CURRENT_SOURCE_DIR}/LICENSE.txt")
set(CPACK_RESOURCE_FILE_README "${CMAKE_CURRENT_SOURCE_DIR}/README.md")
set(CPACK_OUTPUT_FILE_PREFIX "${CMAKE_CURRENT_BINARY_DIR}/package")
set(CPACK_PACKAGE_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR})
string(TOLOWER ${CMAKE_SYSTEM_NAME} _sys)
string(TOLOWER ${PROJECT_NAME} _project_lower)
set(CPACK_PACKAGE_FILE_NAME "${_project_lower}-${_sys}")
set(CPACK_SOURCE_PACKAGE_FILE_NAME "${_project_lower}-${PROJECT_VERSION}")
set(CPACK_SOURCE_IGNORE_FILES "/.git/;/.github/;/.vscode/;/build;/.clang-format;/.gitignore;/.travis.yml;/doc/images/;/doc/site;/doc/elfio.docx;/examples/sudo_gdb.sh;/tests")
install(FILES ${CPACK_RESOURCE_FILE_README} ${CPACK_RESOURCE_FILE_LICENSE}
DESTINATION share/docs/${PROJECT_NAME})
include(CPack)
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endif()