Mimic gcc behaviour with regard to response files.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62688 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Support/CommandLine.cpp b/lib/Support/CommandLine.cpp
index 87dfc5a..8cd483a 100644
--- a/lib/Support/CommandLine.cpp
+++ b/lib/Support/CommandLine.cpp
@@ -388,23 +388,22 @@
// Check that the response file is not empty (mmap'ing empty
// files can be problematic).
const sys::FileStatus *FileStat = respFile.getFileStatus();
- if (!FileStat)
- continue;
- if (FileStat->getSize() == 0)
- continue;
+ if (FileStat && FileStat->getSize() != 0) {
- // Mmap the response file into memory.
- OwningPtr<MemoryBuffer>
- respFilePtr(MemoryBuffer::getFile(respFile.c_str()));
+ // Mmap the response file into memory.
+ OwningPtr<MemoryBuffer>
+ respFilePtr(MemoryBuffer::getFile(respFile.c_str()));
- if (respFilePtr == 0)
- continue;
-
- ParseCStringVector(newArgv, respFilePtr->getBufferStart());
+ // If we could open the file, parse its contents, otherwise
+ // pass the @file option verbatim.
+ // TODO: support recursion.
+ if (respFilePtr != 0) {
+ ParseCStringVector(newArgv, respFilePtr->getBufferStart());
+ continue;
+ }
+ }
}
- else {
- newArgv.push_back(strdup(arg));
- }
+ newArgv.push_back(strdup(arg));
}
}