I see.
Thanks,
Noel
"Paul D. Smith" wrote:
>
> %% Noel Yap <[EMAIL PROTECTED]> writes:
>
> ny> Hmmm, what's the difference? Or, which info file describes the
> ny> differences?
>
> There is no difference, except that when you use ${} make matches on
> closing braces whereas when you use $() make matches on closing
> parenthesis.
>
> Since the Bourne shell case statement contains unmatched right
> parenthesis, it doesn't work so well to use the $() format:
>
> $(shell case foo in foo) echo match ;; esac)
> ^ ^
> matches the opening paren
>
> But:
>
> ${shell case foo in foo) echo match ;; esac}
> ^
> doesn't match the opening brace.
>
> This is described in the GNU make manual section "Basics of Variable
> References".
>
> --
> -------------------------------------------------------------------------------
> Paul D. Smith <[EMAIL PROTECTED]> Find some GNU make tips at:
> http://www.gnu.org http://make.paulandlesley.org
> "Please remain calm...I may be mad, but I am a professional." --Mad Scientist
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