# AC_HEADER_TIME
# AC_TYPE_SIGNAL
+AC_PATH_PROG([SED], [sed], [no])
+if test "$SED" = "no"; then
+ AC_MSG_ERROR([The program "sed" is not avaiable. This program is required to build Openbox.])
+fi
+
PKG_CHECK_MODULES([GLIB], [glib-2.0])
AC_SUBST(GLIB_CFLAGS)
AC_SUBST(GLIB_LIBS)