Pull in r164717 from upstream clang trunk:

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:
dim 2012-10-03 16:48:28 +00:00
parent b7b93e5288
commit f8be5cf464

View File

@ -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 = "-";