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Pull in r164717 from upstream clang trunk:

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Allow -MF to be used in combination with -E -M or -E -MM.

This should help with building the lang/ghc port.

MFC after:	1 week
This commit is contained in:
Dimitry Andric 2012-10-03 16:48:28 +00:00
parent 6b1b791da6
commit 75286ea4ca
1 changed files with 3 additions and 3 deletions
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6
contrib/llvm/tools/clang/lib/Driver/Tools.cpp
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@ -219,11 +219,11 @@ void Clang::AddPreprocessingOptions(Compilation &C,
(A = Args.getLastArg(options::OPT_MMD))) {
// Determine the output location.
const char *DepFile;
if (Output.getType() == types::TY_Dependencies) {
DepFile = Output.getFilename();
} else if (Arg *MF = Args.getLastArg(options::OPT_MF)) {
if (Arg *MF = Args.getLastArg(options::OPT_MF)) {
DepFile = MF->getValue(Args);
C.addFailureResultFile(DepFile);
} else if (Output.getType() == types::TY_Dependencies) {
DepFile = Output.getFilename();
} else if (A->getOption().matches(options::OPT_M) ||
A->getOption().matches(options::OPT_MM)) {
DepFile = "-";