$OpenBSD$
--- src/config/selectplatformconfig.h.orig Sun Jul 10 14:45:33 2016
+++ src/config/selectplatformconfig.h Sun Jul 10 14:46:27 2016
@@ -19,7 +19,7 @@
#ifndef MAXR_PLATFORM_CONFIG
-#if (defined(linux) || defined(__linux) || defined(__linux__) || defined(__GNU__) || defined(__GLIBC__)) && !defined(_CRAYC)
+#if (defined(linux) || defined(__linux) || defined(__linux__) || defined(__GNU__) || defined(__GLIBC__) || defined(__OpenBSD__)) && !defined(_CRAYC)
# define MAXR_PLATFORM_CONFIG "config/platform/linux.h"
#elif defined(__CYGWIN__)
# define MAXR_PLATFORM_CONFIG "config/platform/cygwin.h"