GNU bug report logs - #14991
distcheck passes --prefix to configure before *DISTCHECK_CONFIGURE_FLAGS

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Akim Demaille <akim <at> lrde.epita.fr>
To: Automake Bugs <bug-automake <at> gnu.org>
Subject: distcheck passes --prefix to configure before
 *DISTCHECK_CONFIGURE_FLAGS
Date: Wed, 31 Jul 2013 09:37:32 +0200

Hi!

Admittedly, what prompts this report is arguably a bug in
a package: It passes _all_ the configure flags to
AM_DISTCHECK_CONFIGURE_FLAGS.  Not a bright idea I guess,
but simple.

Unfortunately distcheck reads:

# This target untars the dist file and tries a VPATH configuration.  Then
# it guarantees that the distribution is self-contained by making another
# tarfile.
distcheck: dist
	case '$(DIST_ARCHIVES)' in \
	*.tar.gz*) \
…
	  && ../configure --srcdir=.. --prefix="$$dc_install_base" \
	    $(AM_DISTCHECK_CONFIGURE_FLAGS) \
	    $(DISTCHECK_CONFIGURE_FLAGS) \
	  && $(MAKE) $(AM_MAKEFLAGS) \

So the "local" flags, --srcdir and especially --prefix, are
provided by distcheck, and then overridden by the user's
DISTCHECK_CONFIGURE_FLAGS.  Since I use --prefix, boom.

Very much agreed, --prefix should not have made it into
(AM_)DISTCHECK_CONFIGURE_FLAGS; however it seems simple to
just pass --srcdir and --prefix last to be protected against
such cases.

Thanks!

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