--- cairo-1.10.0/configure~	2010-09-06 12:16:46.000000000 -0400
+++ cairo-1.10.0/configure	2011-03-08 14:36:19.000000000 -0500
@@ -7392,6 +7392,9 @@
   fi
   rm -rf conftest*
   ;;
+*-*qnx6*)
+  PTHREAD_LIBS="-lc"
+  ;;
 esac
 
 need_locks="$enable_libtool_lock"
@@ -33603,7 +33606,7 @@
 
 
 case $host in
-*-linux*|*-*bsd*|*-solaris*|*-*-darwin*)
+*-linux*|*-*bsd*|*-solaris*|*-*-darwin*|*-*qnx6*)
 	have_ld_preload="yes"
 	;;
 *)