diff -x config.log -x config.status -ru work/lightning-2.0.0/configure.ac work/lightning-2.0.0/configure.ac
--- work/lightning-2.0.0/configure.ac	2013-08-23 19:41:23.000000000 +0200
+++ work/lightning-2.0.0/configure.ac	2013-08-27 22:29:04.173535570 +0200
@@ -57,10 +57,13 @@
 		 [HAVE_IBERTY="no"])
     AC_CHECK_LIB(bfd, bfd_init, ,
 		 [HAVE_BFD="no"])
+    AC_CHECK_LIB(z, compressBound, ,
+         [HAVE_Z="no"])
     AC_CHECK_LIB(opcodes, init_disassemble_info, ,
 		 [HAVE_OPCODES="no"])
     if test "x$HAVE_IBERTY"  = "xno" -o \
 	    "x$HAVE_BFD"     = "xno" -o \
+        "x$HAVE_Z"       = "xno" -o \
 	    "x$HAVE_OPCODES" = "xno"; then
 	if test "x$DISASSEMBLER" != "xauto"; then
 	    AC_MSG_ERROR([binutils not found, see http://www.gnu.org/software/binutils/])