Added cmake buildfile

Author: xloem

CMakeLists.txt

@@ -0,0 +1,14 @@
+cmake_minimum_required(VERSION 3.10)
+
+project(flat-tree)
+
+add_library(${PROJECT_NAME} INTERFACE)
+target_include_directories(${PROJECT_NAME} INTERFACE ${CMAKE_CURRENT_SOURCE_DIR}/..)
+install(FILES index.hxx DESTINATION include/${PROJECT_NAME})
+
+include(CTest)
+if(BUILD_TESTING)
+	add_executable(${PROJECT_NAME}-test test/index.cxx)
+	target_link_libraries(${PROJECT_NAME}-test ${PROJECT_NAME})
+	add_test(NAME ${PROJECT_NAME} COMMAND ${PROJECT_NAME}-test)
+endif()