From 1d67c229496bfc94496eabae8eb3408e5c673a83 Mon Sep 17 00:00:00 2001
From: Ted Kremenek <kremenek@apple.com>
Date: Fri, 17 Jul 2009 22:38:26 +0000
Subject: [PATCH] Add error message when clang-cc cannot be found.

llvm-svn: 76256
---
 clang/utils/scan-build | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/clang/utils/scan-build b/clang/utils/scan-build
index 5835628d59ba..9141ca1f2463 100755
--- a/clang/utils/scan-build
+++ b/clang/utils/scan-build
@@ -116,6 +116,10 @@ my $Clang = $ClangSB;
 my %AvailableAnalyses;
 
 # Query clang for analysis options.
+if (!-x $ClangCC) {
+  DieDiag("No executable 'clang-cc' found\n");
+}
+
 open(PIPE, "-|", $ClangCC, "--help") or
   DieDiag("Cannot execute '$ClangCC'\n");