diff options
Diffstat (limited to 'lib/Driver/Tools.cpp')
| -rw-r--r-- | lib/Driver/Tools.cpp | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/lib/Driver/Tools.cpp b/lib/Driver/Tools.cpp index 9b3e49480e..eb17609d6c 100644 --- a/lib/Driver/Tools.cpp +++ b/lib/Driver/Tools.cpp @@ -242,6 +242,13 @@ void Clang::AddPreprocessingOptions(const Driver &D, CmdArgs.push_back("-sys-header-deps"); } + if (Args.hasArg(options::OPT_MG)) { + if (!A || A->getOption().matches(options::OPT_MD) || + A->getOption().matches(options::OPT_MMD)) + D.Diag(clang::diag::err_drv_mg_requires_m_or_mm); + CmdArgs.push_back("-MG"); + } + Args.AddLastArg(CmdArgs, options::OPT_MP); // Convert all -MQ <target> args to -MT <quoted target> @@ -1354,8 +1361,7 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA, types::ID InputType = Inputs[0].getType(); if (!Args.hasArg(options::OPT_fallow_unsupported)) { Arg *Unsupported; - if ((Unsupported = Args.getLastArg(options::OPT_MG)) || - (Unsupported = Args.getLastArg(options::OPT_iframework))) + if ((Unsupported = Args.getLastArg(options::OPT_iframework))) D.Diag(clang::diag::err_drv_clang_unsupported) << Unsupported->getOption().getName(); |