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This commit is contained in:
Scott Wolchok 2019-07-24 10:28:14 -07:00
parent a4ff823f5d
commit 287db19e9a
1 changed files with 6 additions and 0 deletions
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6
src/librustc_target/spec/apple_ios_base.rs
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@ -29,6 +29,12 @@ impl Arch {
}
pub fn get_sdk_root(sdk_name: &str) -> Result<String, String> {
// Following what clang does
// (https://github.com/llvm/llvm-project/blob/
// 296a80102a9b72c3eda80558fb78a3ed8849b341/clang/lib/Driver/ToolChains/Darwin.cpp#L1661-L1678)
// to allow the SDK path to be set. (For clang, xcrun sets
// SDKROOT; for rustc, the user or build system can set it, or we
// can fall back to checking for xcrun on PATH.)
if let Some(sdkroot) = env::var("SDKROOT").ok() {
let sdkroot_path = Path::new(&sdkroot);
if sdkroot_path.is_absolute() && sdkroot_path != Path::new("/") && sdkroot_path.exists() {