--- configure.ac.orig	Wed Dec 17 00:25:50 2008
+++ configure.ac	Sat Oct 10 14:31:52 2009
@@ -52,10 +52,13 @@ if test "$SLANG_LIB_LOC" != "" ; then 
 	CFLAGS="-L$SLANG_LIB_LOC $CFLAGS"
 fi
 
+AC_SEARCH_LIBS(tgetent, terminfo termlib)
+
 dnl The function we check for in libslang is important, because
 dnl we need to make sure we have the right version of slang.
-AC_CHECK_LIB(slang, SLsig_block_signals,, 
-	AC_MSG_ERROR(can't find required slang library or library is obsolete. Try setting the SLANG_LIB_LOC environment variable to point to the directory containing the slang library.))
+AC_CHECK_LIB(slang, SLsig_block_signals,
+	[AC_DEFINE(HAVE_LIBSLANG) LIBS="-lslang -lm $LIBS"],
+	AC_MSG_ERROR(can't find required slang library or library is obsolete. Try setting the SLANG_LIB_LOC environment variable to point to the directory containing the slang library.), -lm)
 
 dnl Checks for header files.
 AC_HEADER_STDC