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Re: how to disable caching of result
From: |
Thomas Dickey |
Subject: |
Re: how to disable caching of result |
Date: |
Mon, 5 Apr 2004 19:38:14 -0400 (EDT) |
On Tue, 6 Apr 2004, Matthias Czapla wrote:
> Hi!
>
> Im want to check for the presence of the GNU Readline library in a
> configure script. On some systems we need to link to another library
> in addition to readline for some terminal functions (e.g. tgetent).
> I tried this:
>
> AC_CHECK_LIB(readline, readline,,
> AC_SEARCH_LIBS(tgetent, ncurses curses tinfo termcap)
> AC_CHECK_LIB(readline, readline,,
> AC_MSG_ERROR([readline not available])
> )
> )
>
> This correctly determines the additional library required if the
> test program used by configure doesnt compile with -lreadline
> alone. However the second test for readline does not get invoked
> because the result of the first test is cached. How can I tell
> autoconf to forget the result of the first test before doing it
> the second time?
you'll have to set a shell variable and test that.
--
Thomas E. Dickey
http://invisible-island.net
ftp://invisible-island.net