fn main() { // Prevent building SPIRV-Cross on wasm32 target let target_arch = std::env::var("CARGO_CFG_TARGET_ARCH"); if let Ok(arch) = target_arch { if "wasm32" == arch { return; } } let target_vendor = std::env::var("CARGO_CFG_TARGET_VENDOR"); let is_apple = target_vendor.is_ok() && target_vendor.unwrap() == "apple"; let target_os = std::env::var("CARGO_CFG_TARGET_OS"); let is_ios = target_os.is_ok() && target_os.unwrap() == "ios"; let mut build = cc::Build::new(); build.cpp(true); let compiler = build.try_get_compiler(); let is_clang = compiler.is_ok() && compiler.unwrap().is_like_clang(); if is_apple && (is_clang || is_ios) { build.flag("-std=c++14").cpp_set_stdlib("c++"); } else { build.flag_if_supported("-std=c++14"); } build .flag("-DSPIRV_CROSS_EXCEPTIONS_TO_ASSERTIONS") .flag("-DSPIRV_CROSS_WRAPPER_NO_EXCEPTIONS"); build .file("src/wrapper.cpp") .file("src/vendor/SPIRV-Cross/spirv_cfg.cpp") .file("src/vendor/SPIRV-Cross/spirv_cross.cpp") .file("src/vendor/SPIRV-Cross/spirv_cross_parsed_ir.cpp") .file("src/vendor/SPIRV-Cross/spirv_parser.cpp") .file("src/vendor/SPIRV-Cross/spirv_cross_util.cpp"); // Ideally the GLSL compiler would be omitted here, but the HLSL and MSL compiler // currently inherit from it. So it's necessary to unconditionally include it here. build .file("src/vendor/SPIRV-Cross/spirv_glsl.cpp") .flag("-DSPIRV_CROSS_WRAPPER_GLSL"); #[cfg(feature = "hlsl")] build .file("src/vendor/SPIRV-Cross/spirv_hlsl.cpp") .flag("-DSPIRV_CROSS_WRAPPER_HLSL"); #[cfg(feature = "msl")] build .file("src/vendor/SPIRV-Cross/spirv_msl.cpp") .flag("-DSPIRV_CROSS_WRAPPER_MSL"); build.compile("spirv-cross-rust-wrapper"); }