diff -ur supertuxkart-0.7.3/configure.ac supertuxkart-0.7.3.patched/configure.ac
--- supertuxkart-0.7.3/configure.ac	2011-11-13 23:56:22.000000000 +0100
+++ supertuxkart-0.7.3.patched/configure.ac	2011-11-15 10:58:13.235009782 +0100
@@ -232,7 +232,7 @@
 
 case "${host}" in
 *-*-linux* )
-  irrlicht_LIBS="-L/$with_irrlicht/lib/Linux -L/$with_irrlicht/lib -lIrrlicht -lX11"
+  irrlicht_LIBS="-L/$with_irrlicht/lib/Linux -L/$with_irrlicht/lib -lIrrlicht -lX11 -lpthread"
   ;;
 *darwin*|*macosx*)
   irrlicht_LIBS="-L/$with_irrlicht/lib/ -lIrrlicht -framework Cocoa"