-dnl --- Find out whether I have `strsignal' or `sys_siglist' ---
-
-AC_CHECK_FUNCS(strsignal _sys_siglist, break)
-
-dnl --- Decide whether to declare `environ' ---
-
-AC_CACHE_CHECK([for declaration of \`environ'], sw_cv_environ,
-[AC_EGREP_CPP(environ,
-[#include <sys/types.h>
-#if HAVE_UNISTD_H
-#include <unistd.h>
-#endif
-#if STDC_HEADERS
-#include <stdlib.h>
-#include <stddef.h>
-#endif], [sw_cv_environ=yes], [sw_cv_environ=no])])
-if test $sw_cv_environ = yes; then
- AC_DEFINE(DECL_ENVIRON)
-fi
-
-dnl --- Find a curses library ---
-dnl
-dnl Try to find one which knows how to resize a terminal.
-
-mdw_CHECK_MANYLIBS(newwin, ncurses curses, AC_DEFINE(HAVE_CURSES))
-
-if test $mdw_cv_lib_newwin != no; then
-AC_CHECK_HEADERS([ncurses.h ncurses/ncurses.h curses.h], [break])
-
-if test "$ac_cv_header_ncurses_h" = "no" &&
- test "$ac_cv_header_ncurses_ncurses_h" = "no" &&
- test "$ac_cv_header_curses_h" = "no"; then
- AC_MSG_WARN([couldn't find a \`curses' header. Assuming \`curses.h'.])
- AC_DEFINE(HAVE_CURSES_H)
-fi
-
-AC_CHECK_FUNCS(wresize)
-fi
-
-
-dnl --- Other handy libraries ---
-
-mdw_CHECK_MANYLIBS(socketpair, socket)
-
-dnl --- Various standard types ---