--- makefile.am.old	2011-06-21 08:43:21.804880067 +0200
+++ makefile.am	2011-06-21 08:43:49.875661081 +0200
@@ -1,5 +1,5 @@
 INCLUDES = `wx-config --cxxflags`
-LIBS = `wx-config --libs --gl-libs`
+LIBS = `wx-config --libs --gl-libs` -lGL -lm
 
 bin_PROGRAMS = blokish