commit bb52786da8d055568eef6e5694288c1258bc8c2a
author Peter Collingbourne <peter@pcc.me.uk> Tue Jul 12 19:35:15 2011 +0000
committer Peter Collingbourne <peter@pcc.me.uk> Tue Jul 12 19:35:15 2011 +0000
tree d873a59365c239ada903f2dd16ba184ec07487b0
parent 0d516767a3af70538a40a297577960034e6ad66f

Implement -MG.  Fixes PR9613

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@134996 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Frontend/CompilerInvocation.cpp

diff --git a/lib/Frontend/CompilerInvocation.cpp b/lib/Frontend/CompilerInvocation.cpp
index 02a5088..05b3377 100644
--- a/lib/Frontend/CompilerInvocation.cpp
+++ b/lib/Frontend/CompilerInvocation.cpp
@@ -1048,6 +1048,7 @@
   Opts.UsePhonyTargets = Args.hasArg(OPT_MP);
   Opts.ShowHeaderIncludes = Args.hasArg(OPT_H);
   Opts.HeaderIncludeOutputFile = Args.getLastArgValue(OPT_header_include_file);
+  Opts.AddMissingHeaderDeps = Args.hasArg(OPT_MG);
 }
 
 static void ParseDiagnosticArgs(DiagnosticOptions &Opts, ArgList &Args,