cpp.cmake

# Check primitive types
option(CHECK_TYPE "Check primitive type size" OFF)
if(CHECK_TYPE)
  include(CMakePushCheckState)
  cmake_push_check_state(RESET)
  set(CMAKE_EXTRA_INCLUDE_FILES "cstdint")
  include(CheckTypeSize)
  check_type_size("long" SIZEOF_LONG LANGUAGE CXX)
  message(STATUS "Found long size: ${SIZEOF_LONG}")
  check_type_size("long long" SIZEOF_LONG_LONG LANGUAGE CXX)
  message(STATUS "Found long long size: ${SIZEOF_LONG_LONG}")
  check_type_size("int64_t" SIZEOF_INT64_T LANGUAGE CXX)
  message(STATUS "Found int64_t size: ${SIZEOF_INT64_T}")

  check_type_size("unsigned long" SIZEOF_ULONG LANGUAGE CXX)
  message(STATUS "Found unsigned long size: ${SIZEOF_ULONG}")
  check_type_size("unsigned long long" SIZEOF_ULONG_LONG LANGUAGE CXX)
  message(STATUS "Found unsigned long long size: ${SIZEOF_ULONG_LONG}")
  check_type_size("uint64_t" SIZEOF_UINT64_T LANGUAGE CXX)
  message(STATUS "Found uint64_t size: ${SIZEOF_UINT64_T}")

  check_type_size("int *" SIZEOF_INT_P LANGUAGE CXX)
  message(STATUS "Found int * size: ${SIZEOF_INT_P}")
  check_type_size("intptr_t" SIZEOF_INTPTR_T LANGUAGE CXX)
  message(STATUS "Found intptr_t size: ${SIZEOF_INTPTR_T}")
  check_type_size("uintptr_t" SIZEOF_UINTPTR_T LANGUAGE CXX)
  message(STATUS "Found uintptr_t size: ${SIZEOF_UINTPTR_T}")
  cmake_pop_check_state()
endif()

include(GNUInstallDirs)

add_subdirectory(Foo)
add_subdirectory(Bar)
add_subdirectory(FooBar)

add_subdirectory(FooBarApp)

# Install
install(EXPORT ${PROJECT_NAME}Targets
  NAMESPACE ${PROJECT_NAMESPACE}::
  DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME}
  COMPONENT Devel)
include(CMakePackageConfigHelpers)
configure_package_config_file(cmake/${PROJECT_NAME}Config.cmake.in
  "${PROJECT_BINARY_DIR}/${PROJECT_NAME}Config.cmake"
  INSTALL_DESTINATION "${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME}"
  NO_SET_AND_CHECK_MACRO
  NO_CHECK_REQUIRED_COMPONENTS_MACRO)
write_basic_package_version_file(
  "${PROJECT_BINARY_DIR}/${PROJECT_NAME}ConfigVersion.cmake"
  COMPATIBILITY SameMajorVersion)
install(
  FILES
  "${PROJECT_BINARY_DIR}/${PROJECT_NAME}Config.cmake"
  "${PROJECT_BINARY_DIR}/${PROJECT_NAME}ConfigVersion.cmake"
  DESTINATION "${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME}"
  COMPONENT Devel)