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Mimic gcc behaviour with regard to response files.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62688 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Mikhail Glushenkov
2009-01-21 13:14:02 +00:00
parent e441b831c0
commit 1421b7bc23
2 changed files with 29 additions and 14 deletions
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27
lib/Support/CommandLine.cpp
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@@ -388,23 +388,22 @@ static void ExpandResponseFiles(int argc, char** argv,
// 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());
}
else {
newArgv.push_back(strdup(arg));
// 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;
}
}
}
newArgv.push_back(strdup(arg));
}
}