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use std::fs::read_dir; pub fn build() { let mut build = cc::Build::new(); build.flag("-isysroot/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator.sdk"); build.flag("-fobjc-arc"); build.flag("-O3"); let mut empty = true; if let Ok(dir) = read_dir("ios") { for entry in dir { if let Ok(entry) = entry { println!( "cargo:rerun-if-changed={}", entry.path().to_str().unwrap_or_default() ); if entry .path() .extension() .map(|ext| ext == "m") .unwrap_or_default() { build.file(entry.path()); empty = false; } } } } if empty { return; } build.compile("libpolyhorn_build_ios.a"); }