Install target generates a clean CMake package (+ Catkin dependency is now optional)

CMakeLists.txt

@@ -1,15 +1,25 @@
 cmake_minimum_required(VERSION 2.8.3)
-project(serial)
 
-# Find catkin
-find_package(catkin REQUIRED)
+# Either this or bump cmake_minimum_required to 3.0+
+# Allow us to use Version in project() call : https://cmake.org/cmake/help/v3.0/policy/CMP0048.html#policy:CMP0048
+cmake_policy(SET CMP0048 NEW)
+
+project(serial VERSION 1.2.1)
 
-if(APPLE)
-    find_library(IOKIT_LIBRARY IOKit)
-    find_library(FOUNDATION_LIBRARY Foundation)
-endif()
 
-if(UNIX AND NOT APPLE)
+## Options 
+
+# Use Catkin
+option(USE_CATKIN on)
+# Build serial sample 
+option(BUILD_SAMPLE on)
+
+
+# Find catkin
+if(USE_CATKIN)
+    find_package(catkin REQUIRED)
+
+    if(UNIX AND NOT APPLE)
     # If Linux, add rt and pthread
     set(rt_LIBRARIES rt)
     set(pthread_LIBRARIES pthread)
@@ -18,24 +28,29 @@ if(UNIX AND NOT APPLE)
         INCLUDE_DIRS include
         DEPENDS rt pthread
     )
-else()
-    # Otherwise normal call
-    catkin_package(
-        LIBRARIES ${PROJECT_NAME}
-        INCLUDE_DIRS include
-    )
+    else()
+        # Otherwise normal call
+        catkin_package(
+            LIBRARIES ${PROJECT_NAME}
+            INCLUDE_DIRS include
+        )
+    endif()
 endif()
 
+
+
+
 ## Sources
 set(serial_SRCS
     src/serial.cc
     include/serial/serial.h
     include/serial/v8stdint.h
 )
+
 if(APPLE)
-    # If OSX
-    list(APPEND serial_SRCS src/impl/unix.cc)
-    list(APPEND serial_SRCS src/impl/list_ports/list_ports_osx.cc)
+	# If OSX
+	list(APPEND serial_SRCS src/impl/unix.cc)
+	list(APPEND serial_SRCS src/impl/list_ports/list_ports_osx.cc)
 elseif(UNIX)
     # If unix
     list(APPEND serial_SRCS src/impl/unix.cc)
@@ -48,34 +63,90 @@ endif()
 
 ## Add serial library
 add_library(${PROJECT_NAME} ${serial_SRCS})
+
 if(APPLE)
-    target_link_libraries(${PROJECT_NAME} ${FOUNDATION_LIBRARY} ${IOKIT_LIBRARY})
+    find_library(IOKIT_LIBRARY IOKit)
+    find_library(FOUNDATION_LIBRARY Foundation)
+
+	target_link_libraries(${PROJECT_NAME} ${FOUNDATION_LIBRARY} ${IOKIT_LIBRARY})
 elseif(UNIX)
-    target_link_libraries(${PROJECT_NAME} rt pthread)
+	target_link_libraries(${PROJECT_NAME} rt pthread)
 else()
-    target_link_libraries(${PROJECT_NAME} setupapi)
+	target_link_libraries(${PROJECT_NAME} setupapi)
 endif()
 
-## Uncomment for example
-add_executable(serial_example examples/serial_example.cc)
-add_dependencies(serial_example ${PROJECT_NAME})
-target_link_libraries(serial_example ${PROJECT_NAME})
-
 ## Include headers
-include_directories(include)
+target_include_directories(${PROJECT_NAME} PUBLIC $<BUILD_INTERFACE:${CMAKE_SOURCE_DIR}/include>)
 
-## Install executable
-install(TARGETS ${PROJECT_NAME}
-    ARCHIVE DESTINATION ${CATKIN_PACKAGE_LIB_DESTINATION}
-    LIBRARY DESTINATION ${CATKIN_PACKAGE_LIB_DESTINATION}
-    RUNTIME DESTINATION ${CATKIN_GLOBAL_BIN_DESTINATION}
-)
 
-## Install headers
-install(FILES include/serial/serial.h include/serial/v8stdint.h
-  DESTINATION ${CATKIN_GLOBAL_INCLUDE_DESTINATION}/serial)
+## Example
+if(BUILD_SAMPLE)
+    add_executable(serial_example examples/serial_example.cc)
+    add_dependencies(serial_example ${PROJECT_NAME})
+    target_link_libraries(serial_example ${PROJECT_NAME})
+endif()
+
+
+## Export 
+
+# Set postfix names for exporting
+set_target_properties(${PROJECT_NAME} PROPERTIES
+    RELEASE_POSTFIX ""
+    RELWITHDEBINFO_POSTFIX "-rd"
+    MINSIZEREL_POSTFIX "-mr"
+    DEBUG_POSTFIX "-d")  
+
+
+if(USE_CATKIN)
+    ## Install headers
+    install(FILES include/serial/serial.h include/serial/v8stdint.h
+        DESTINATION ${CATKIN_GLOBAL_INCLUDE_DESTINATION}/serial)
+    ## Install executable
+    install(TARGETS ${PROJECT_NAME}
+        ARCHIVE DESTINATION ${CATKIN_PACKAGE_LIB_DESTINATION}
+        LIBRARY DESTINATION ${CATKIN_PACKAGE_LIB_DESTINATION}
+        RUNTIME DESTINATION ${CATKIN_GLOBAL_BIN_DESTINATION}
+    )
+else()
+    set(EXPORT_TARGET_NAME serialTargets)
+
+    install(EXPORT ${EXPORT_TARGET_NAME} DESTINATION cmake/)
+    # Include module with fuction 'write_basic_package_version_file' and 'configure_package_config_file'
+    include(CMakePackageConfigHelpers)
+
+    set(OUTPUT_CMAKE_EXPORT_GENERATED_FILES ${CMAKE_BINARY_DIR}/CMakeExportConfig)
+    # Configure '<PROJECT-NAME>ConfigVersion.cmake'
+    write_basic_package_version_file(${OUTPUT_CMAKE_EXPORT_GENERATED_FILES}/${PROJECT_NAME}Config-version.cmake
+        # <AnyNewerVersion|SameMajorVersion|SameMinorVersion|ExactVersion> 
+        # Careful : SameMinorVersion and ExactVersion were introduced in CMake 3.11
+        COMPATIBILITY SameMajorVersion
+    )
+
+    # Configure '<PROJECT-NAME>Config.cmake'
+    configure_package_config_file(
+        "${CMAKE_CURRENT_SOURCE_DIR}/cmake/${PROJECT_NAME}Config.cmake.in"
+        "${OUTPUT_CMAKE_EXPORT_GENERATED_FILES}/${PROJECT_NAME}Config.cmake"
+        INSTALL_DESTINATION "${CMAKE_INSTALL_PREFIX}/cmake"
+    )
+
+    # Install config file generated
+    install(DIRECTORY ${OUTPUT_CMAKE_EXPORT_GENERATED_FILES}/ 
+        DESTINATION cmake/)
+
+
+    ## Install headers
+    install(FILES include/serial/serial.h include/serial/v8stdint.h
+        DESTINATION ${CMAKE_INSTALL_PREFIX}/include/serial)
+
+   ## Install executable
+    install(TARGETS ${PROJECT_NAME} EXPORT ${EXPORT_TARGET_NAME}
+        INCLUDES DESTINATION $<INSTALL_INTERFACE:include/>
+        ARCHIVE DESTINATION "lib" COMPONENT ${PROJECT_NAME}
+    )
+endif()
+
 
 ## Tests
 if(CATKIN_ENABLE_TESTING)
     add_subdirectory(tests)
-endif()
+endif()

cmake/serialConfig.cmake.in

@@ -0,0 +1,6 @@
+@PACKAGE_INIT@
+
+
+include("${CMAKE_CURRENT_LIST_DIR}/@[email protected]")
+
+check_required_components("@PROJECT_NAME@")