From 9d4d55e78b3631a8f9b530c47d71053aebc0cb35 Mon Sep 17 00:00:00 2001
From: Sergey Sharybin <sergey.vfx@gmail.com>
Date: Mon, 1 Jun 2015 19:36:13 +0500
Subject: [PATCH] Cycles: Strip meaningless empty output form the MVidia OpenCL
 compiler

---
 intern/cycles/device/device_opencl.cpp | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/intern/cycles/device/device_opencl.cpp b/intern/cycles/device/device_opencl.cpp
index 4a918021250..87d4ee91919 100644
--- a/intern/cycles/device/device_opencl.cpp
+++ b/intern/cycles/device/device_opencl.cpp
@@ -640,8 +640,11 @@ public:
 			clGetProgramBuildInfo(*kernel_program, cdDevice, CL_PROGRAM_BUILD_LOG, ret_val_size, &build_log[0], NULL);
 
 			build_log[ret_val_size] = '\0';
-			fprintf(stderr, "OpenCL kernel build output:\n");
-			fprintf(stderr, "%s\n", &build_log[0]);
+			/* Skip meaningless empty output from the NVidia compiler. */
+			if(!(ret_val_size == 2 && build_log[0] == '\n')) {
+				fprintf(stderr, "OpenCL kernel build output:\n");
+				fprintf(stderr, "%s\n", &build_log[0]);
+			}
 		}
 
 		if(ciErr != CL_SUCCESS) {