[PATCH] D69221: [clang][darwin] Fix search path logic for C_INCLUDE_DIRS

[Marco Hinz via Phabricator via cfe-commits]

mhinz created this revision.
mhinz added reviewers: ldionne, rsmith.
mhinz added a project: clang.
Herald added subscribers: cfe-commits, dexonsmith.

For each absolute path given to C_INCLUDE_DIRS, we want it to be added as-is to
the include search path. Relative paths should be prefixed with the sysroot.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D69221

Files:
  clang/lib/Driver/ToolChains/Darwin.cpp


Index: clang/lib/Driver/ToolChains/Darwin.cpp
===================================================================
--- clang/lib/Driver/ToolChains/Darwin.cpp
+++ clang/lib/Driver/ToolChains/Darwin.cpp
@@ -1859,7 +1859,7 @@
     CIncludeDirs.split(dirs, ":");
     for (llvm::StringRef dir : dirs) {
       llvm::StringRef Prefix =
-          llvm::sys::path::is_absolute(dir) ? llvm::StringRef(Sysroot) : "";
+          llvm::sys::path::is_absolute(dir) ? "" : llvm::StringRef(Sysroot);
       addExternCSystemInclude(DriverArgs, CC1Args, Prefix + dir);
     }
   } else {


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