--- /dev/null
+--- 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