Re: Error undefined symbol: UP while installing Readline on wsl (Ubuntu 20.04.6 LTS)

[Chet Ramey]

On 11/1/24 6:53 AM, Dan Richter wrote:
> Hi,
>
> I am trying to Installing mathemagix with configure <https:// 
> www.mathemagix.org/www/mmdoc/doc/html/main/installation_autotools.en.html>, 
> downloaded and extracted the Readline Library from http:// 
> git.savannah.gnu.org/cgit/readline.git/snapshot/readline-8.2.tar.gz by command
>
> curl http://git.savannah.gnu.org/cgit/readline.git/snapshot/ 
> readline-8.2.tar.gz | tar zxf -
>
> I am using *wsl* (Windows Subsystem for Linux) on my notebook *Ubuntu 
> 20.04.6 LTS*
>
>
> When I run *./configure --with-libtool* in /mnt/c/Windows/system32/mmx/ 
> readline-8.2 I got:
>
> config.status: creating Makefile
> awk: symbol lookup error: /usr/local/lib/libreadline.so.8: *undefined 
> symbol: UP*
> config.status: error: could not create Makefile

Is awk linked against readline? It's not clear why config.status requires
it otherwise. I admit I haven't looked at what config.status does behind
the scenes, but that's not how it works normally.

You're correct that UP is a termcap/curses/ncurses symbol, and applications
are supposed to link with curses as well as readline to satisfy it.

> readelf -s /usr/local/lib/libreadline.so.8 | grep UP
>     48: 0000000000000000     0 NOTYPE  GLOBAL DEFAULT  UND UP
>    741: 0000000000000000     0 NOTYPE  GLOBAL DEFAULT  UND UP
>
> dpkg -l '*ncurses*' | grep '^ii'
> ii  libncurses-dev:amd64   6.2-0ubuntu2.1 amd64        developer's 
> libraries for ncurses


--
``The lyf so short, the craft so long to lerne.'' - Chaucer
                 ``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, UTech, CWRU    chet@case.edu    http://tiswww.cwru.edu/~chet/

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