--- gnunet-0.9.2.orig/configure.ac	2012-02-28 09:31:55.000000000 +0000
+++ gnunet-0.9.2/configure.ac	2012-05-27 23:46:57.000000000 +0000
@@ -159,6 +159,11 @@
      DLLDIR=bin
      UNIXONLY=""
      ;;
+gnu*)
+     AC_DEFINE_UNQUOTED(GNU,1,[This is a GNU system])
+     build_target="gnu"
+     UNIXONLY="#"
+     ;;
 *)
      AC_MSG_RESULT(Unrecognised OS $host_os)
      AC_DEFINE_UNQUOTED(OTHEROS,1,[Some strange OS])
@@ -180,6 +185,7 @@
 AM_CONDITIONAL(XFREEBSD, test "$build_target" = "freebsd")
 AM_CONDITIONAL(OPENBSD, test "$build_target" = "openbsd")
 AM_CONDITIONAL(LINUX, test "$build_target" = "linux")
+AM_CONDITIONAL(GNU, test "$build_target" = "gnu")
 
 AC_MSG_RESULT([$build_target])
 AC_SUBST(build_target)