Added cmake standalone target for artery

CMakeLists.txt

@@ -0,0 +1,62 @@
+cmake_minimum_required(VERSION 3.15)
+
+set(ARTERY_VERSION 1.1)
+
+project(artery-font LANGUAGES CXX VERSION ${ARTERY_VERSION})
+
+option(ARTERY_INSTALL "Install artery as a separated project" OFF)
+
+file(GLOB_RECURSE ARTERY_C_HEADERS RELATIVE ${CMAKE_CURRENT_SOURCE_DIR} "*.h")
+file(GLOB_RECURSE ARTERY_CPP_HEADERS RELATIVE ${CMAKE_CURRENT_SOURCE_DIR} "*.hpp")
+
+add_library(artery-font INTERFACE ${ARTERY_C_HEADERS} ${ARTERY_CPP_HEADERS})
+target_include_directories(artery-font INTERFACE $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/artery-font> $<INSTALL_INTERFACE:./include>)
+target_compile_features(artery-font INTERFACE cxx_std_11)
+
+if(ARTERY_INSTALL)
+    include(GNUInstallDirs)
+    include(CMakePackageConfigHelpers)
+    set(ARTERY_CONFIG_PATH "lib/cmake/artery-font")
+
+    # install tree package config
+    write_basic_package_version_file(
+        "${CMAKE_CURRENT_BINARY_DIR}/artery-font-config-version.cmake"
+        VERSION ${PROJECT_VERSION}
+        COMPATIBILITY SameMajorVersion
+    )
+
+    configure_package_config_file(
+        cmake/artery-font-config.cmake.in
+        ${ARTERY_CONFIG_PATH}/artery-font-config.cmake
+        INSTALL_DESTINATION ${ARTERY_CONFIG_PATH}
+        NO_CHECK_REQUIRED_COMPONENTS_MACRO
+    )
+
+    # build tree package config
+    configure_file(
+        cmake/artery-font-config.cmake.in
+        artery-font-config.cmake
+        @ONLY
+    )
+
+    install(TARGETS artery-font EXPORT artery-font-targets
+        RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
+        LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
+        ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
+        FRAMEWORK DESTINATION ${CMAKE_INSTALL_LIBDIR}
+    )
+
+    export(EXPORT artery-font-targets NAMESPACE artery-font:: FILE "${CMAKE_CURRENT_BINARY_DIR}/artery-font-targets.cmake")
+    install(EXPORT artery-font-targets FILE artery-font-targets.cmake NAMESPACE artery-font:: DESTINATION ${ARTERY_CONFIG_PATH})
+
+    install(
+        FILES
+            "${CMAKE_CURRENT_BINARY_DIR}/${ARTERY_CONFIG_PATH}/artery-font-config.cmake"
+            "${CMAKE_CURRENT_BINARY_DIR}/artery-font-config-version.cmake"
+        DESTINATION ${ARTERY_CONFIG_PATH}
+    )
+
+    install(DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/artery-font
+        DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}
+        FILES_MATCHING PATTERN "*.h" PATTERN "*.hpp")
+endif()

cmake/artery-font-config.cmake.in

@@ -0,0 +1,3 @@
+include(CMakeFindDependencyMacro)
+
+set(ARTERY_FONT_STANDALONE_AVALIABLE ON)