$OpenBSD$

Index: src/dispatch_common.c
--- src/dispatch_common.c.orig
+++ src/dispatch_common.c
@@ -188,6 +188,11 @@
 #define GLES1_LIB "libGLES_CM.dll"
 #define GLES2_LIB "libGLESv2.dll"
 #define OPENGL_LIB "OPENGL32"
+#elif defined(__OpenBSD__)
+#define GLX_LIB "libGL.so"
+#define EGL_LIB "libEGL.so"
+#define GLES1_LIB "libGLESv1_CM.so"
+#define GLES2_LIB "libGLESv2.so"
 #else
 #define GLVND_GLX_LIB "libGLX.so.1"
 #define GLX_LIB "libGL.so.1"
@@ -306,8 +311,10 @@ get_dlopen_handle(void **handle, const char *lib_name,
     pthread_mutex_lock(&api.mutex);
     if (!*handle) {
         int flags = RTLD_LAZY | RTLD_LOCAL;
+#ifndef __OpenBSD__
         if (!load)
             flags |= RTLD_NOLOAD;
+#endif
 
         *handle = dlopen(lib_name, flags);
         if (!*handle) {