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Re: need to set ACLOCAL_AMFLAGS along with AC_CONFIG_MACRO_DIR

From: Eric Blake
Subject: Re: need to set ACLOCAL_AMFLAGS along with AC_CONFIG_MACRO_DIR
Date: Wed, 15 Sep 2010 14:11:17 -0600
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[adding bug-automake]

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

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

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?

Eric Blake   address@hidden    +1-801-349-2682
Libvirt virtualization library http://libvirt.org

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