--- a/configure.in
+++ b/configure.in
@@ -22,7 +22,6 @@
 esac
 AC_SUBST(SYSTEM_DEFS)
 
-AC_DEFINE_DIR([sysconfdir], [sysconfdir], [sysconfdir])
 AC_DEFINE_UNQUOTED(SYSTEM_YTALKRC, ["${sysconfdir}/ytalkrc"], ["Location of default ytalkrc file"])
 
 dnl Checks for programs.
@@ -35,30 +34,12 @@
 AC_CHECK_SIZEOF(long)
 AC_CHECK_SIZEOF(u_int)
 
-ytalk_cv_curses=/usr
-AC_ARG_WITH(curses, AC_HELP_STRING([--with-curses=DIR], [Where curses is installed]),
-	[if test $withval != yes; then
-		ytalk_cv_curses=$withval
-	fi
-	if test x$ytalk_cv_curses != x/usr; then
-		LDFLAGS="-L${ytalk_cv_curses}/lib $LDFLAGS"
-		CPPFLAGS="$CPPFLAGS -I${ytalk_cv_curses}/include"
-	fi])
-
-AC_CHECK_LIB(ncurses, initscr,
-	[LIBS="$LIBS -lncurses"
-	if test x$ytalk_cv_curses = x/usr -a -d /usr/include/ncurses; then
-		CPPFLAGS="$CPPFLAGS -I/usr/include/ncurses"
-	fi
-	AC_CHECK_HEADERS(ncurses.h)],
-	[CF_CURSES_LIBS])
-
-dnl Check for keypad()
-AC_CHECK_LIB(ncurses, keypad,
-	[AC_DEFINE(HAVE_KEYPAD, 1, [Define to 1 if you have keypad()])],
-[AC_CHECK_LIB(curses, keypad,
-	[AC_DEFINE(HAVE_KEYPAD, 1, [Define to 1 if you have keypad()])],
-[])])
+PKG_CHECK_MODULES(ncurses, ncurses,
+  LIBS="$LIBS $ncurses_LIBS"
+  CFLAGS="$CFLAGS $ncurses_CFLAGS"
+  AC_DEFINE(HAVE_KEYPAD, 1, [Define to 1 if you have keypad()]),
+  AC_MSG_ERROR([Could not find ncurses])
+)
 
 dnl Look for termios, and if that fails, try sgtty.
 AC_CHECK_FUNC(tcgetattr, [\