[PATCH] D54194: [llvm-rc] Support absolute filenames in manifests

[Petr Hosek via Phabricator via llvm-commits]

phosek created this revision.
phosek added reviewers: mstorsjo, amccarth, zturner, thakis.
Herald added a subscriber: llvm-commits.

CMake generate manifests that contain absolute filenames and these
currently result in assertion error. This change ensures that we
handle these correctly.


Repository:
  rL LLVM

https://reviews.llvm.org/D54194

Files:
  llvm/tools/llvm-rc/ResourceFileWriter.cpp


Index: llvm/tools/llvm-rc/ResourceFileWriter.cpp
===================================================================
--- llvm/tools/llvm-rc/ResourceFileWriter.cpp
+++ llvm/tools/llvm-rc/ResourceFileWriter.cpp
@@ -1502,16 +1502,19 @@
   SmallString<128> Cwd;
   std::unique_ptr<MemoryBuffer> Result;
 
+  // 0. The file path is absolute and the file exists.
+  if (sys::path::is_absolute(File))
+    return errorOrToExpected(MemoryBuffer::getFile(File, -1, false));
+
   // 1. The current working directory.
   sys::fs::current_path(Cwd);
   Path.assign(Cwd.begin(), Cwd.end());
   sys::path::append(Path, File);
   if (sys::fs::exists(Path))
     return errorOrToExpected(MemoryBuffer::getFile(Path, -1, false));
 
   // 2. The directory of the input resource file, if it is different from the
-  // current
-  //    working directory.
+  // current working directory.
   StringRef InputFileDir = sys::path::parent_path(Params.InputFilePath);
   Path.assign(InputFileDir.begin(), InputFileDir.end());
   sys::path::append(Path, File);


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