On Wed, May 12, 2010 at 4:13 PM, Mikhail Gusarov
<[email protected]> wrote:
>
> Twas brillig at 16:08:14 12.05.2010 UTC-07 when [email protected]
> did gyre and gimble:
>
> AC> In many of the : separated environment variables, especially $PATH
> AC> & $LD_LIBRARY_PATH, any sequence that resolves to an empty string
> AC> after : splitting may be resolved as the current directory on many
> AC> platforms, so the simplified code you propose is actually equivalent to:
>
> AC> if test x"$PATH" = x; then
> AC> PATH=${DESTDIR}${PREFIX}/bin:.
> AC> else
> AC> PATH=${DESTDIR}${PREFIX}/bin:${PATH}
> AC> fi
>
> PATH=${DESTDIR}${PREFIX}/bin${PATH:+:}${PATH}
>
> should probably do it
Yep. PATH=/foo${PATH+:$PATH} is also acceptable.
--
Dan
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