Adds a FixedCompilationDatabase to be able to specify tool parameters
at the command line.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154989 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/clang-check/ClangCheck.cpp b/tools/clang-check/ClangCheck.cpp
index b5b6bd5..d68e282 100644
--- a/tools/clang-check/ClangCheck.cpp
+++ b/tools/clang-check/ClangCheck.cpp
@@ -50,13 +50,17 @@
   cl::desc("<source0> [... <sourceN>]"),
   cl::OneOrMore);
 
-int main(int argc, char **argv) {
-  cl::ParseCommandLineOptions(argc, argv);
-  std::string ErrorMessage;
+int main(int argc, const char **argv) {
   llvm::OwningPtr<CompilationDatabase> Compilations(
-    CompilationDatabase::loadFromDirectory(BuildPath, ErrorMessage));
-  if (!Compilations)
-    llvm::report_fatal_error(ErrorMessage);
+    FixedCompilationDatabase::loadFromCommandLine(argc, argv));
+  cl::ParseCommandLineOptions(argc, argv);
+  if (!Compilations) {
+    std::string ErrorMessage;
+    Compilations.reset(CompilationDatabase::loadFromDirectory(BuildPath,
+                                                              ErrorMessage));
+    if (!Compilations)
+      llvm::report_fatal_error(ErrorMessage);
+  }
   ClangTool Tool(*Compilations, SourcePaths);
   return Tool.run(newFrontendActionFactory<clang::SyntaxOnlyAction>());
 }