Fix silent failure with no input files.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109500 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CompilerDriver/CompilationGraph.cpp b/lib/CompilerDriver/CompilationGraph.cpp
index 9ea69c1..259911f 100644
--- a/lib/CompilerDriver/CompilationGraph.cpp
+++ b/lib/CompilerDriver/CompilationGraph.cpp
@@ -355,6 +355,7 @@
int CompilationGraph::Build (const sys::Path& TempDir,
const LanguageMap& LangMap) {
InputLanguagesSet InLangs;
+ bool WasSomeActionGenerated = !InputFilenames.empty();
// Traverse initial parts of the toolchains and fill in InLangs.
if (int ret = BuildInitial(InLangs, TempDir, LangMap))
@@ -375,6 +376,7 @@
if (JT->JoinListEmpty() && !(JT->WorksOnEmpty() && InputFilenames.empty()))
continue;
+ WasSomeActionGenerated = true;
Action CurAction;
if (int ret = JT->GenerateAction(CurAction, CurNode->HasChildren(),
TempDir, InLangs, LangMap)) {
@@ -401,6 +403,11 @@
}
}
+ if (!WasSomeActionGenerated) {
+ PrintError("no input files");
+ return 1;
+ }
+
return 0;
}