diff -ur ./gens-gs-r7/src/gens/Makefile.unix.inc.am ./gens-gs-r7-r1/src/gens/Makefile.unix.inc.am
--- ./gens-gs-r7/src/gens/Makefile.unix.inc.am	2009-11-22 20:42:02.000000000 +0300
+++ ./gens-gs-r7-r1/src/gens/Makefile.unix.inc.am	2014-03-22 22:33:10.758229054 +0400
@@ -139,3 +139,5 @@
 if GENS_OPENGL
 gens_LDADD	+= @GL_LIBS@
 endif
+
+gens_LDADD	+= -ldl -lX11