diff options
Diffstat (limited to 'lib/Frontend/FrontendActions.cpp')
-rw-r--r-- | lib/Frontend/FrontendActions.cpp | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/lib/Frontend/FrontendActions.cpp b/lib/Frontend/FrontendActions.cpp index a97a32ba06..dd98fcf3eb 100644 --- a/lib/Frontend/FrontendActions.cpp +++ b/lib/Frontend/FrontendActions.cpp @@ -136,6 +136,10 @@ ASTConsumer *GenerateModuleAction::CreateASTConsumer(CompilerInstance &CI, static void collectModuleHeaderIncludes(const LangOptions &LangOpts, clang::Module *Module, llvm::SmallString<256> &Includes) { + // Don't collect any headers for unavailable modules. + if (!Module->isAvailable()) + return; + // Add includes for each of these headers. for (unsigned I = 0, N = Module->Headers.size(); I != N; ++I) { if (LangOpts.ObjC1) @@ -222,7 +226,17 @@ bool GenerateModuleAction::BeginSourceFileAction(CompilerInstance &CI, return false; } - + + // Check whether we can build this module at all. + StringRef Feature; + if (!Module->isAvailable(CI.getLangOpts(), Feature)) { + CI.getDiagnostics().Report(diag::err_module_unavailable) + << Module->getFullModuleName() + << Feature; + + return false; + } + // Do we have an umbrella header for this module? const FileEntry *UmbrellaHeader = Module->getUmbrellaHeader(); |