Make the project use cmake components

CMakeLists.txt

@@ -1,11 +1,28 @@
-cmake_minimum_required(VERSION 3.14 FATAL_ERROR)
-project(SkullC)
+cmake_minimum_required(VERSION 3.8 FATAL_ERROR)
+
+set(version 0.1.0)
+
+project(skullc
+        VERSION ${version}
+        LANGUAGES
+            C
+            CXX
+)
+
+list(APPEND CMAKE_MODULE_PATH ${CMAKE_BINARY_DIR})
+list(APPEND CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/cmake/)
 
-set(CMAKE_MODULE_PATH ${CMAKE_BINARY_DIR})
 set(CMAKE_CXX_STANDARD 14)
-set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wextra")
+list(APPEND CMAKE_CXX_FLAGS "-Wall -Wextra")
 
 option(WITH_TESTS "Enable unit testing." OFF)
+option(WITH_HAL "Enable the compiling and deployment of the HAL dependent sections." OFF)
+
+include(skullc-install)
+
+if(WITH_HAL)
+    add_subdirectory(Peripherals)
+endif()
 
 add_subdirectory(Utility)
 add_subdirectory(Messaging)
@@ -14,3 +31,23 @@ if(WITH_TESTS)
     enable_testing()
     add_subdirectory(Tests)
 endif()
+
+## Install
+
+configure_file(skullc-config.cmake
+    "${CMAKE_BINARY_DIR}/skullc-config.cmake"
+    @ONLY
+)
+
+include(CMakePackageConfigHelpers)
+write_basic_package_version_file(
+    "${CMAKE_BINARY_DIR}/skullc-config-version.cmake"
+    VERSION ${version}
+    COMPATIBILITY AnyNewerVersion
+)
+
+install(
+    FILES
+    "${CMAKE_BINARY_DIR}/skullc-config.cmake"
+    DESTINATION lib/cmake/skullc
+)

Messaging/CMakeLists.txt

@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.14 FATAL_ERROR)
+cmake_minimum_required(VERSION 3.8 FATAL_ERROR)
 
 add_library(messaging INTERFACE)
 
@@ -6,5 +6,8 @@ add_library(skullc::messaging ALIAS messaging)
 
 target_include_directories(messaging
     INTERFACE
-        ${CMAKE_CURRENT_SOURCE_DIR}/Inc
+        $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/Inc>
+        $<INSTALL_INTERFACE:include>
 )
+
+skullc_install_packages(skullc messaging ${version})

Messaging/messaging-config.cmake.in

@@ -0,0 +1,2 @@
+include(${CMAKE_CURRENT_LIST_DIR}/skullc-messaging-config-version.cmake)
+include(${CMAKE_CURRENT_LIST_DIR}/skullc-messaging-targets.cmake)

Peripherals/CMakeLists.txt

@@ -0,0 +1,21 @@
+cmake_minimum_required(VERSION 3.8 FATAL_ERROR)
+
+add_library(peripherals STATIC
+        Src/peripherals_imu_icm.cpp
+        Src/peripherals_io.cpp
+        Src/peripherals_motors.cpp
+        Src/peripherals_pwm_channel.cpp
+        Src/peripherals_spi.cpp
+        Src/peripherals_utility.cpp
+)
+
+add_library(skullc::peripherals ALIAS peripherals)
+
+target_include_directories(peripherals
+    PUBLIC
+        $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/Inc>
+        $<INSTALL_INTERFACE:include>
+)
+
+## INSTALL
+skullc_install_packages(skullc peripherals ${version})

Peripherals/peripherals-config.cmake.in

@@ -0,0 +1,2 @@
+include(${CMAKE_CURRENT_LIST_DIR}/skullc-peripherals-config-version.cmake)
+include(${CMAKE_CURRENT_LIST_DIR}/skullc-peripherals-targets.cmake)

Tests/CMakeLists.txt

@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.14 FATAL_ERROR)
+cmake_minimum_required(VERSION 3.8 FATAL_ERROR)
 
 find_package(Catch2 REQUIRED)
 

Utility/CMakeLists.txt

@@ -1,12 +1,24 @@
-cmake_minimum_required(VERSION 3.14 FATAL_ERROR)
+cmake_minimum_required(VERSION 3.8 FATAL_ERROR)
+
+if(WITH_HAL)
+    set(additional_sources
+            Src/utility_asynchuartlogger.cpp
+            Src/utility_atomicscopeguard.cpp
+            Src/utility_itmlogger.cpp
+            Src/utility_uartlogger.cpp)
+endif()
 
 add_library(utility STATIC
         Src/utility_logging.cpp
+        ${additional_sources}
 )
 
 add_library(skullc::utility ALIAS utility)
 
 target_include_directories(utility
     PUBLIC
-        ${CMAKE_CURRENT_SOURCE_DIR}/Inc
+        $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/Inc>
+        $<INSTALL_INTERFACE:include>
 )
+
+skullc_install_packages(skullc utility ${version})

Utility/utility-config.cmake.in

@@ -0,0 +1,2 @@
+include(${CMAKE_CURRENT_LIST_DIR}/skullc-utility-config-version.cmake)
+include(${CMAKE_CURRENT_LIST_DIR}/skullc-utility-targets.cmake)

cmake/skullc-install.cmake

@@ -0,0 +1,44 @@
+macro(skullc_install_packages in_project in_component in_version)
+    # reference: https://stackoverflow.com/questions/54702582/how-to-configure-project-with-components-in-cmake
+    install(TARGETS ${in_component} EXPORT ${in_component}-targets
+            COMPONENT ${in_component}
+            LIBRARY DESTINATION lib
+            ARCHIVE DESTINATION lib
+            RUNTIME DESTINATION bin
+            INCLUDES DESTINATION include
+            )
+
+    install(EXPORT ${in_component}-targets
+            FILE "${in_project}-${in_component}-targets.cmake"
+            NAMESPACE ${in_project}::
+            DESTINATION lib/cmake/${in_project}
+            COMPONENT ${in_component}
+            )
+
+    configure_file("${in_component}-config.cmake.in"
+            "${CMAKE_BINARY_DIR}/${in_project}-${in_component}-config.cmake"
+            @ONLY
+            )
+
+    include(CMakePackageConfigHelpers)
+
+    write_basic_package_version_file(
+            "${CMAKE_BINARY_DIR}/${in_project}-${in_component}-config-version.cmake"
+            VERSION ${in_version}
+            COMPATIBILITY AnyNewerVersion
+    )
+
+    install(
+            FILES
+            "${CMAKE_BINARY_DIR}/${in_project}-${in_component}-config.cmake"
+            "${CMAKE_BINARY_DIR}/${in_project}-${in_component}-config-version.cmake"
+            DESTINATION lib/cmake/${in_project}
+            COMPONENT ${in_component}
+    )
+
+    install(
+            DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/Inc/
+            COMPONENT ${in_component}
+            DESTINATION ${CMAKE_INSTALL_PREFIX}/include
+    )
+endmacro()

skullc-config.cmake

@@ -0,0 +1,3 @@
+foreach(component ${skullc_FIND_COMPONENTS})
+    include(${CMAKE_CURRENT_LIST_DIR}/skullc-${component}-config.cmake)
+endforeach()