use std::env; extern crate gcc; fn main() { let env = env::var("TARGET").unwrap(); if env.contains("darwin") { gcc::compile_library("libminifb_native.a", &["src/native/macosx/MacMiniFB.m", "src/native/macosx/OSXWindow.m", "src/native/macosx/OSXWindowFrameView.m"]); // MacOS } else if env.contains("linux") { gcc::compile_library("libminifb_native.a", &["src/native/x11/X11MiniFB.c"]); // Unix } }