Generate and install mastodonppConfig.cmake and so on.

CMakeLists.txt

@@ -31,6 +31,7 @@ include(debug_flags)
 
 add_subdirectory(src)
 add_subdirectory(include)
+add_subdirectory(cmake)
 
 if(WITH_TESTS)
   add_subdirectory(tests)

cmake/CMakeLists.txt

@@ -0,0 +1,19 @@
+include(CMakePackageConfigHelpers)
+include(GNUInstallDirs)
+
+write_basic_package_version_file("${PROJECT_NAME}ConfigVersion.cmake"
+  VERSION ${PACKAGE_VERSION}
+  COMPATIBILITY SameMajorVersion)
+
+configure_file("${PROJECT_NAME}Config.cmake.in"
+  "${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}Config.cmake" @ONLY)
+
+install(EXPORT ${PROJECT_NAME}Targets
+  FILE "${PROJECT_NAME}Targets.cmake"
+  NAMESPACE "${PROJECT_NAME}::"
+  DESTINATION "${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME}")
+
+install(FILES
+  "${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}Config.cmake"
+  "${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}ConfigVersion.cmake"
+  DESTINATION "${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME}")

cmake/mastodonppConfig.cmake.in

@@ -0,0 +1,5 @@
+include(CMakeFindDependencyMacro)
+
+
+
+include("${CMAKE_CURRENT_LIST_DIR}/@PROJECT_NAME@Targets.cmake")