glcore: tree sharing for DRI and XMesa
diff --git a/configs/freebsd-dri b/configs/freebsd-dri
index 9d92154..bb8fb4a 100644
--- a/configs/freebsd-dri
+++ b/configs/freebsd-dri
@@ -34,6 +34,7 @@
 DRI_LIB_DEPS = -L/usr/local/lib -lm -pthread -lexpat $(LIBDRM_LIB)
 GL_LIB_DEPS = -L/usr/local/lib -lX11 -lXext -lXxf86vm -lXdamage -lXfixes \
 	-lm -pthread $(LIBDRM_LIB)
+GLCORE_LIB_DEPS = -lm -pthread
 
 GLUT_LIB_DEPS = -L$(TOP)/$(LIB_DIR) -L/usr/local/lib -lGLU -lGL -lX11 -lXmu -lXt -lXi -lm
 GLW_LIB_DEPS = -L$(TOP)/$(LIB_DIR) -L/usr/local/lib -lGL -lXt -lX11