[project] CMake project for macOS file watcher

native/fsNotifier/mac/.gitignore

@@ -0,0 +1,2 @@
+/.idea/
+/cmake-build-*/

native/fsNotifier/mac/CMakeLists.txt

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+cmake_minimum_required(VERSION 3.1)
+project(fsnotifier C)
+
+if(NOT APPLE)
+    message(FATAL_ERROR "macOS only.")
+endif()
+
+set(CMAKE_C_STANDARD 11)
+
+find_library(CORE_SERVICES CoreServices)
+
+add_executable(fsnotifier fsnotifier.c)
+target_link_libraries(fsnotifier ${CORE_SERVICES})