--- Yap-4.5.5/configure.in.orig	2004-12-14 18:00:25.000000000 +0100
+++ Yap-4.5.5/configure.in	2004-12-24 16:17:15.000000000 +0100
@@ -335,18 +335,18 @@
 else
   INSTALL_COMMAND="install_unix"
   AC_CHECK_LIB(m,sin)
-  AC_CHECK_LIB(socket,socket)
+  AC_SEARCH_LIBS(socket,socket)
   dnl X/Open Networking is sometimes a separate library
-  AC_CHECK_LIB(xnet,getsockname)
+  AC_SEARCH_LIBS(getsockname,xnet)
+  AC_CHECK_FUNC(gethostbyname, , [
   AC_CHECK_LIB(nsl,main,
 	have_nsl=yes
 	,
 	have_nsl=no)
+  ])
 fi
 
 if test "$yap_cv_readline" != "no"
 then
-  AC_CHECK_LIB(termcap,tgetent)
-  AC_CHECK_LIB(ncurses,main)
   AC_CHECK_LIB(readline,readline)
 fi