configure:

- while checking for the ncurses library, remove bashisms, and make it POSIX compliant

 -------- diffstat follows --------
 /trunk/configure |    8     7     1     0 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

configure

@@ -350,7 +350,13 @@ has_or_abort prog=readlink
 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"
 
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