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Re: autconf, configure & purify...

From: Ben Pfaff
Subject: Re: autconf, configure & purify...
Date: Thu, 23 Oct 2008 21:06:41 -0700
User-agent: Gnus/5.11 (Gnus v5.11) Emacs/22.2 (gnu/linux)

Eric Blake <address@hidden> writes:

> According to Boggis, Antony on 10/23/2008 5:47 PM:
>> AS_HELP_STRING(--enable-purify,build with Purify [[default=no]]),
> This is underquoted.  You need to get in the habit of properly quoting
> your arguments:
> AC_ARG_ENABLE([purify],
>   [AS_HELP_STRING([--enable-purify], [build with Purify [default=no]]),

The Autoconf manual explicitly recommends underquoting
AS_HELP_STRING (though not its arguments):

         ...The following example will make this clearer.

                                          [use foo (default is NO)]),
                           [ac_cv_use_foo=$withval], [ac_cv_use_foo=no])
              AC_CACHE_CHECK([whether to use foo],
                             [ac_cv_use_foo], [ac_cv_use_foo=no])])

         Please note that the call to `AS_HELP_STRING' is *unquoted*.

It doesn't say why (and I don't know why).
Ben Pfaff

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