From 11c20c87fab2f55ced4a1c9cd3a3762be8e12017 Mon Sep 17 00:00:00 2001
From: Martin Danielsen <kalroth@gmail.com>
Date: Thu, 9 Jan 2014 22:03:39 +0100
Subject: [PATCH] core: Warn if GPU_MAX_ALLOC_PERCENT or GPU_USE_SYNC_OBJECTS
 is not set

...through export (Linux) or setx (Windows).
---
 cgminer.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/cgminer.c b/cgminer.c
index df39b97e..095f5819 100644
--- a/cgminer.c
+++ b/cgminer.c
@@ -7713,6 +7713,13 @@ int main(int argc, char *argv[])
 #endif
 	}
 
+#ifdef USE_SCRYPT // I don't really know if this is relevant for other mining platforms
+	if (!getenv("GPU_MAX_ALLOC_PERCENT"))
+		applog(LOG_WARNING, "WARNING: GPU_MAX_ALLOC_PERCENT is not specified!");
+	if (!getenv("GPU_USE_SYNC_OBJECTS"))
+		applog(LOG_WARNING, "WARNING: GPU_USE_SYNC_OBJECTS is not specified!");
+#endif
+
 	if (!total_pools) {
 		applog(LOG_WARNING, "Need to specify at least one pool server.");
 #ifdef HAVE_CURSES