From e1be85a5522466ecbdd594d9e5e3cd3014b0089f Mon Sep 17 00:00:00 2001
From: Thomas Jarosch <thomas.jarosch@intra2net.com>
Date: Wed, 9 Jan 2013 19:22:40 +0100
Subject: [PATCH] Match compiler: Be more user friendly on how to invoke it

---
 tools/matchcompiler.py | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/tools/matchcompiler.py b/tools/matchcompiler.py
index bf6a620fc..5a3b31dbd 100755
--- a/tools/matchcompiler.py
+++ b/tools/matchcompiler.py
@@ -1,6 +1,7 @@
 #!/usr/bin/python
 
 import os
+import sys
 import re
 import glob
 
@@ -485,6 +486,11 @@ class MatchCompiler:
 # Main program
 build_dir = 'build'
 
+# Check if we are invoked from the right place
+if not os.path.exists('lib') and not os.path.exists('samples'):
+    print('Please invoke from the top level cppcheck source dir. Example: tools/matchcompiler.py')
+    sys.exit(-1)
+
 # Create build directory if needed
 if not os.path.exists(build_dir):
     os.makedirs(build_dir)