From b8fc92520f8a7d0a780a4cab2a714aadf586d283 Mon Sep 17 00:00:00 2001
From: Brad Roepstorff <brad.roepstorff@gmail.com>
Date: Sat, 18 Jul 2015 17:03:09 -0400
Subject: [PATCH] adding better error message for missing varying.def.sc in
 shaderc

---
 tools/shaderc/shaderc.cpp | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/tools/shaderc/shaderc.cpp b/tools/shaderc/shaderc.cpp
index 7b7d16519..2574e3936 100644
--- a/tools/shaderc/shaderc.cpp
+++ b/tools/shaderc/shaderc.cpp
@@ -902,7 +902,11 @@ int main(int _argc, const char* _argv[])
 		{
 			preprocessor.addDependency(varyingdef);
 		}
-
+        else
+        {
+            fprintf(stderr, "ERROR: Failed to parse varying def file: \"%s\" No input/output semantics will be generated in the code!\n", varyingdef);
+        }
+        
 		while (NULL != parse
 		   &&  *parse != '\0')
 		{