SmallString<128> P(getDriver().ClangExecutable);
llvm::sys::path::remove_filename(P); // 'clang'
llvm::sys::path::remove_filename(P); // 'bin'
+ llvm::sys::path::append(P, "lib", "arc");
// 'libarclite' usually lives in the same toolchain as 'clang'. However, the
// Swift open source toolchains for macOS distribute Clang without libarclite.
// In that case, to allow the linker to find 'libarclite', we point to the
// 'libarclite' in the XcodeDefault toolchain instead.
- if (getXcodeDeveloperPath(P).empty()) {
- if (const Arg *A = Args.getLastArg(options::OPT_isysroot)) {
+ if (!getVFS().exists(P)) {
+ auto updatePath = [&](const Arg *A) {
// Try to infer the path to 'libarclite' in the toolchain from the
// specified SDK path.
StringRef XcodePathForSDK = getXcodeDeveloperPath(A->getValue());
- if (!XcodePathForSDK.empty()) {
- P = XcodePathForSDK;
- llvm::sys::path::append(P, "Toolchains/XcodeDefault.xctoolchain/usr");
- }
+ if (XcodePathForSDK.empty())
+ return false;
+
+ P = XcodePathForSDK;
+ llvm::sys::path::append(P, "Toolchains/XcodeDefault.xctoolchain/usr",
+ "lib", "arc");
+ return getVFS().exists(P);
+ };
+
+ bool updated = false;
+ if (const Arg *A = Args.getLastArg(options::OPT_isysroot))
+ updated = updatePath(A);
+
+ if (!updated) {
+ if (const Arg *A = Args.getLastArg(options::OPT__sysroot_EQ))
+ updatePath(A);
}
}
CmdArgs.push_back("-force_load");
- llvm::sys::path::append(P, "lib", "arc", "libarclite_");
+ llvm::sys::path::append(P, "libarclite_");
// Mash in the platform.
if (isTargetWatchOSSimulator())
P += "watchsimulator";