From ec8c975214ceb9f59301e2abcd084fcdff06fbcd Mon Sep 17 00:00:00 2001
From: Ben Langmuir <blangmuir@apple.com>
Date: Fri, 18 Apr 2014 22:07:31 +0000
Subject: Don't build modules with (submodules with) missing headers

Unless they are in submodules that aren't available anyway, due to
requirements not being met.  Also, mark children as unavailable when the
parent is.

llvm-svn: 206664
---
 clang/lib/Basic/Module.cpp | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'clang/lib/Basic/Module.cpp')

diff --git a/clang/lib/Basic/Module.cpp b/clang/lib/Basic/Module.cpp
index d5c02d8..6f29fae 100644
--- a/clang/lib/Basic/Module.cpp
+++ b/clang/lib/Basic/Module.cpp
@@ -160,6 +160,11 @@ void Module::addRequirement(StringRef Feature, bool RequiredState,
   if (hasFeature(Feature, LangOpts, Target) == RequiredState)
     return;
 
+  IsMissingRequirement = true;
+  markUnavailable();
+}
+
+void Module::markUnavailable() {
   if (!IsAvailable)
     return;
 
-- 
cgit v1.1