Re: need to set ACLOCAL_AMFLAGS along with AC_CONFIG_MACRO_DIR

[Jack Kelly]

On Thu, Sep 16, 2010 at 6:11 AM, Eric Blake <address@hidden> wrote:
> On 09/15/2010 12:59 PM, Ralf Wildenhues wrote:
>> * Eric Blake wrote on Wed, Sep 15, 2010 at 04:15:13PM CEST:
>>>
>>> On 09/15/2010 04:37 AM, langdead wrote:
>>>>
>>>> Whether does "ACLOCAL_AMFLAGS= -I @path" only work for "Makefile.am"?
>>>
>>> In the context of autoreconf (the only part of the equation
>>> belonging to autoconf), we merely call aclocal without grepping for
>>> ACLOCAL_AMFLAGS,
>>
>> That's not true.  autoreconf.in:autoreconf_current_directory
>> greps for /^ACLOCAL_[A-Z_]*FLAGS\s*=\s*(.*)/
>
> Ah - I missed the regex (I was searching for a literal ACLOCAL_AMFLAGS, and
> didn't realize that it would be hidden behind a regex).  Thanks for
> correcting me.
>
>> so it really only works with autoreconf to put literal stuff in that
>> line.
>>
>> When aclocal is run from make, as triggered by the automake-generated
>> rule, $(ACLOCAL_AMFLAGS) undergoes usual make expansion of course.
>
> At any rate, it seems like maintaining ACLOCAL_AMFLAGS in Makefile.am is
> redundant - how hard is it to teach automake to have aclocal _automatically_
> include directories mentioned inside AC_CONFIG_MACRO_DIR, to avoid the dual
> file maintenance headache?

If you do this, where will you specify the `--install` flag to
aclocal? Still in ACLOCAL_AMFLAGS?

-- Jack