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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");
}
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