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Re: Running a shell command
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From: |
David A. Wheeler |
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Subject: |
Re: Running a shell command |
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Date: |
Sat, 13 Oct 2012 16:35:12 -0400 (EDT) |
Michael Talbot-Wilson:
> I'd like to do something like
>
> AC_PATH_PROG([PGCONFIG],[pg_config]...
>
> followed by employing the path PGCONFIG in a shell command and
> assigning the value returned. If it was found, i.e. if there is a
> pg_config on the system. Within configure.ac ...
...
> I thought it was possible to execute shell commands in configure.ac
> but a few hours searching the manual has got me nowhere.
>
> Is such a thing possible? How?
The "configure.ac" file *is* a (Bourne) shell script, so just insert the shell
command in the configure.ac file, and it'll be run at that point.
If they're in a conditional, you should use AS_IF and AS_CASE, not if...fi and
case...esac; the autoconf documentation describes those.
--- David A. Wheeler