The previously sent patch contained two problems. First, it assumed that
the config-header to be touched is necessarily called config.h.in. This
is not the case; for example, goffice uses goffice-config.h.in. Second,
and more importantly, it touched aclocal.m4 and config.h.in even if
configure.ac w
The recently added gnome2_disable_deprecation_warning() unfortunately
triggered maintainer mode and undesirable autoreconf for some packages
like file-roller, leading to build failure (see bug #439602); the
problem had been caused by configure.ac having a higher mtime than
aclocal.m4 and config.h.i
