Fix the DEVELOPER_DIR computation

[adrian-prantl]

The code was incorrectly going into the wrong direction by removing one component instead of appendeing /Developer to it. Due to fallback mechanisms in xcrun this never seemed to have caused any issues.

[llvmbot]

@llvm/pr-subscribers-lldb

Author: Adrian Prantl (adrian-prantl)

Changes

The code was incorrectly going into the wrong direction by removing one component instead of appendeing /Developer to it. Due to fallback mechanisms in xcrun this never seemed to have caused any issues.

---

Full diff: https://github.com/llvm/llvm-project/pull/70528.diff

1 Files Affected:

• (modified) lldb/source/Host/macosx/objcxx/HostInfoMacOSX.mm (+5-7)

diff --git a/lldb/source/Host/macosx/objcxx/HostInfoMacOSX.mm b/lldb/source/Host/macosx/objcxx/HostInfoMacOSX.mm
index e3506a01c606b78..33d94504fe70f8c 100644
--- a/lldb/source/Host/macosx/objcxx/HostInfoMacOSX.mm
+++ b/lldb/source/Host/macosx/objcxx/HostInfoMacOSX.mm
@@ -461,13 +461,11 @@ static void ParseOSVersion(llvm::VersionTuple &version, NSString *Key) {
     // Invoke xcrun with the shlib dir.
     if (FileSpec fspec = HostInfo::GetShlibDir()) {
       if (FileSystem::Instance().Exists(fspec)) {
-        std::string contents_dir =
-            XcodeSDK::FindXcodeContentsDirectoryInPath(fspec.GetPath());
-        llvm::StringRef shlib_developer_dir =
-            llvm::sys::path::parent_path(contents_dir);
-        if (!shlib_developer_dir.empty()) {
-          auto sdk =
-              xcrun(sdk_name, show_sdk_path, std::move(shlib_developer_dir));
+        llvm::SmallString<0> shlib_developer_dir(
+            XcodeSDK::FindXcodeContentsDirectoryInPath(fspec.GetPath()));
+        llvm::sys::path::append(shlib_developer_dir, "Developer");
+        if (FileSystem::Instance().Exists(shlib_developer_dir)) {
+          auto sdk = xcrun(sdk_name, show_sdk_path, shlib_developer_dir);
           if (!sdk)
             return sdk.takeError();
           if (!sdk->empty())

[bulbazord]

Makes sense to me