fn main() { let src_dir = std::path::Path::new("src"); let mut c_config = cc::Build::new(); c_config.include(&src_dir); c_config .flag_if_supported("-Wno-unused-parameter") .flag_if_supported("-Wno-unused-but-set-variable") .flag_if_supported("-Wno-trigraphs"); let parser_path = src_dir.join("parser.c"); c_config.file(&parser_path); // If your language uses an external scanner written in C, // then include this block of code: /* let scanner_path = src_dir.join("scanner.c"); c_config.file(&scanner_path); println!("cargo:rerun-if-changed={}", scanner_path.to_str().unwrap()); */ c_config.compile("parser"); println!("cargo:rerun-if-changed={}", parser_path.to_str().unwrap()); let mut cpp_config = cc::Build::new(); cpp_config.cpp(true); cpp_config.include(&src_dir); cpp_config .flag_if_supported("-Wno-unused-parameter") .flag_if_supported("-Wno-unused-but-set-variable"); let scanner_path = src_dir.join("scanner.cc"); cpp_config.file(&scanner_path); cpp_config.compile("scanner"); println!("cargo:rerun-if-changed={}", scanner_path.to_str().unwrap()); }