Now, in configure.ac, a call like:
GIT_CONF_SUBST([FOO])
will be considered equivalent to:
GIT_CONF_SUBST([FOO], [$FOO])
This is mostly a preparatory refactoring in view of future changes.
No semantic change to the generated configure or config.mak.auto is
intended.
Signed-off-by: Stefano Lattarini <stefano.lattarini@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>