Modernize cmake

properly export targets

Author: miketsukerman

CMakeLists.txt

@@ -2,11 +2,73 @@ cmake_minimum_required(VERSION 3.9)
 project(concurrentqueue VERSION 1.0.0)
 
 include(GNUInstallDirs)
+include(CMakePackageConfigHelpers)
 
 add_library(${PROJECT_NAME} INTERFACE)
 
-target_include_directories(concurrentqueue INTERFACE ${CMAKE_CURRENT_SOURCE_DIR})
+target_include_directories(${PROJECT_NAME} 
+        INTERFACE 
+                $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}>
+                $<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}/${PROJECT_NAME}/>
+)
 
-install(FILES blockingconcurrentqueue.h concurrentqueue.h lightweightsemaphore.h LICENSE.md
-        DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/${PROJECT_NAME})
+install(TARGETS ${PROJECT_NAME} 
+    EXPORT ${PROJECT_NAME}Targets
+)
 
+write_basic_package_version_file(
+        ${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}ConfigVersion.cmake
+    VERSION 
+        ${PROJECT_VERSION}
+    COMPATIBILITY AnyNewerVersion
+)
+
+configure_package_config_file(${PROJECT_NAME}Config.cmake.in
+                ${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}Config.cmake
+        INSTALL_DESTINATION 
+                ${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME}/
+)
+
+install(EXPORT 
+                ${PROJECT_NAME}Targets
+        FILE
+                ${PROJECT_NAME}Targets.cmake
+        NAMESPACE 
+                "${PROJECT_NAME}::"
+        DESTINATION
+                ${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME}
+        COMPONENT
+                Devel
+)
+
+install(
+        FILES
+                ${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}Config.cmake
+                ${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}ConfigVersion.cmake
+        DESTINATION
+                ${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME}
+        COMPONENT
+                Devel
+)
+
+install(
+        FILES 
+                blockingconcurrentqueue.h 
+                concurrentqueue.h 
+                lightweightsemaphore.h 
+                LICENSE.md
+        DESTINATION 
+                ${CMAKE_INSTALL_INCLUDEDIR}/${PROJECT_NAME}/moodycamel
+)
+
+set(CPACK_PACKAGE_NAME ${PROJECT_NAME})
+set(CPACK_PACKAGE_VENDOR "Cameron Desrochers <cameron@moodycamel.com>")
+set(CPACK_PACKAGE_DESCRIPTION_SUMMARY "An industrial-strength lock-free queue for C++.")
+set(CPACK_PACKAGE_VERSION "${PROJECT_VERSION}")
+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_DEBIAN_PACKAGE_MAINTAINER ${CPACK_PACKAGE_VENDOR})
+set(CPACK_GENERATOR "RPM;DEB")
+
+include(CPack)

concurrentqueueConfig.cmake.in

@@ -0,0 +1,3 @@
+@PACKAGE_INIT@
+
+include(${CMAKE_CURRENT_LIST_DIR}/@PROJECT_NAME@Targets.cmake)