Re: Variable substitution @libexecdir@

[Leonardo Boiko <leoboiko at conectiva dot com dot br>]

Bill Moseley wrote:
> and then configure outputs Makefile with substitutions:
>
>   libexecdir = ${exec_prefix}/lib/${PACKAGE}
>
> Why doesn't it output this?
>
>   libexecdir = /usr/local/lib/foopackage
>
> Is that because DISTDIR could be set at make install?  

Yes.  It's a GNU standard requirement, and it's a FAQ.  It seems that
the Autoconf manual for the latest version is not online, but here's the
node for 2.57:

http://www.gnu.org/software/autoconf/manual/autoconf-2.57/html_node/autoconf_179.html#SEC179

> If that's the only case then I can expand that at configure time and let configure
> make my substitutions.  I just want to make sure there wasn't some
> other reason.

I don't know of any other.  While expanding it at configure time is an
option, you should take a look at the FAQ and at the node "Installation
Directory Variables" of the Autoconf manual.  One of the suggestions is
substituting through sed at make time, similar to what you did.
--
Leonardo Boiko

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