Cocoa

CMakeLists.txt

project(test)

find_library(COCOA Cocoa)

add_executable(test MACOSX_BUNDLE main.m)
target_link_libraries(test ${COCOA})

main.m

#import <Cocoa/Cocoa.h>

int main(int argc, char **argv) {
	@autoreleasepool {
		[NSApplication sharedApplication];
		NSWindow *window = [[NSWindow alloc]
			initWithContentRect: CGRectMake(0, 0, 800, 600)
			styleMask: NSWindowStyleMaskTitled|NSWindowStyleMaskClosable|NSWindowStyleMaskMiniaturizable|NSWindowStyleMaskResizable
			backing: NSBackingStoreBuffered
			defer: false
		];
		[window setTitle: @"test"];
		[window makeKeyAndOrderFront: nil];
		[NSApp run];
	}
	return 0;
}