ax_enable_builddir: improve quality of generated top-level Makefile
authorAlan Jenkins <alan-jenkins@tuffmail.co.uk>
Sat, 24 Oct 2009 12:56:53 +0000 (13:56 +0100)
committerJon Masters <jcm@jonmasters.org>
Wed, 25 Nov 2009 07:25:21 +0000 (02:25 -0500)
commite2bf967ee22850c19dc1853f189b918841deb35d
treea82c52cf5a92997ce9dec8afc275578405218be3
parenta19a9982342f673bdfa2f8221ab47f1ba71a9989
ax_enable_builddir: improve quality of generated top-level Makefile

The top-level Makefile is generated by mangling rules, "a: b".  We
already avoid mangling "a := b".  But we should also exclude "a = :".

Apparently this was causing unbalanced parenthesis errors on some
systems.

Reported-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Alan Jenkins <alan-jenkins@tuffmail.co.uk>
Signed-off-by: Jon Masters <jcm@jonmasters.org>
m4/ax_enable_builddir.m4