Re: crosstool-ng libncurses check in configure

["Yann E. MORIN" <yann dot morin dot 1998 at anciens dot enib dot fr>]

Michael,
Joachim,
All,

On Monday 11 May 2009 19:26:54 Michael Abbott wrote:
> Not a patch ... but how about:
> 	lib="$(
> 	    for l in ncursesw ncurses curses; do
> 	        for x in so a dylib; do
> 	            echo -n "lib$l.$x "
> 	        done
> 	    done)"

Yeah! Nice. See attached patch. Will be comitted soonish.

> ?  You probably don't need the -n (then you don't need the "... " either), 
> but I'm not actually looking at the useage here, just the one line.

See The Open Group Base Specifications Issue 7:
http://www.opengroup.org/onlinepubs/9699919799/utilities/echo.html

OK, seems clear enough: echo has *not* option! Will be using printf instead,
which is strongly recommended in the "Application Usage" section.

> Actually, if the order matters you need to swap the for lines around, but 
> again I don't suppose it does.

Yes, the order matters (we prefer ncursesw, then ncurses, then curses), but
you got it right! :-)

Regards,
Yann E. MORIN.

-- 
.-----------------.--------------------.------------------.--------------------.
|  Yann E. MORIN  | Real-Time Embedded | /"\ ASCII RIBBON | Erics' conspiracy: |
| +0/33 662376056 | Software  Designer | \ / CAMPAIGN     |  ___               |
| --==< ^_^ >==-- `------------.-------:  X  AGAINST      |  \e/  There is no  |
| http://ymorin.is-a-geek.org/ | _/*\_ | / \ HTML MAIL    |   v   conspiracy.  |
`------------------------------^-------^------------------^--------------------'

Index: ct-ng.trunk/configure
===================================================================
--- ct-ng.trunk/configure	(revision 1515)
+++ ct-ng.trunk/configure	(working copy)
@@ -350,7 +350,13 @@
 has_or_abort inc="ncurses/ncurses.h ncurses/curses.h ncurses.h curses.h"    \
              err="'ncurses' headers files were not found"
 
-has_or_abort lib="$( echo lib{ncursesw,ncurses,curses}.{so,a,dylib} )"  \
+ncurses_libs="$( for l in ncursesw ncurses curses; do   \
+                     for x in so a dylib; do            \
+                         printf "lib$l.$x ";            \
+                     done;                              \
+                 done                                   \
+               )"
+has_or_abort lib="${ncurses_libs}"                  \
              err="'ncurses' library was not found"
 
 #---------------------------------------------------------------------

--
For unsubscribe information see http://sourceware.org/lists.html#faq