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CMakeLists.txt
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CMakeLists.txt
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#######################################################################
# The Embedded Template Library (https://www.etlcpp.com/)
#######################################################################
cmake_minimum_required(VERSION 3.5.0)
include(${CMAKE_CURRENT_SOURCE_DIR}/cmake/helpers.cmake)
determine_version_with_git()
project(etl VERSION ${ETL_VERSION})
option(BUILD_TESTS "Build unit tests" OFF)
option(NO_STL "No STL" OFF)
add_library(${PROJECT_NAME} INTERFACE)
target_include_directories(${PROJECT_NAME} SYSTEM INTERFACE
$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>
$<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>
)
target_link_libraries(${PROJECT_NAME} INTERFACE)
# only install if top level project
if(${CMAKE_PROJECT_NAME} STREQUAL ${PROJECT_NAME})
# Steps here based on excellent guide: https://dominikberner.ch/cmake-interface-lib/
# Which also details all steps
include(CMakePackageConfigHelpers)
install(TARGETS ${PROJECT_NAME}
EXPORT ${PROJECT_NAME}Targets
ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
)
if(ETL_VERSION)
# Generate the package configuration files using CMake provided macros
write_basic_package_version_file(
"${PROJECT_NAME}ConfigVersion.cmake"
COMPATIBILITY SameMajorVersion
)
endif()
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 target file, then package configuration files, and finally the headers
install(EXPORT ${PROJECT_NAME}Targets
FILE ${PROJECT_NAME}Targets.cmake
NAMESPACE ${PROJECT_NAME}::
DESTINATION ${CMAKE_INSTALL_DATAROOTDIR}/${PROJECT_NAME}/cmake)
install(FILES "${PROJECT_BINARY_DIR}/${PROJECT_NAME}Config.cmake"
"${PROJECT_BINARY_DIR}/${PROJECT_NAME}ConfigVersion.cmake"
DESTINATION ${CMAKE_INSTALL_DATAROOTDIR}/${PROJECT_NAME}/cmake)
install(DIRECTORY ${PROJECT_SOURCE_DIR}/include/etl DESTINATION include)
endif()
if (BUILD_TESTS)
enable_testing()
add_subdirectory(test)
endif()