Commit f854b6c0eb7905dc8c9f2899a8f43b94fd6957ff
2012-04-06T18:08:39
maint: simplify generation of files with @substed@ stuff Use a proper "config.status --file=-" idiom to do most substitutions in our generated files, to avoid too much duplications between the various $(do_subst) commands in Makefile.am and the (explicit or implicit AC_SUBST) invocation in configure.ac. From a suggestion by Eric Blake and Federico Simoncelli: <http://lists.gnu.org/archive/html/automake/2012-01/msg00011.html> * Makefile.am (do_subst): Rewrite to take advantage of the "config.status --file=-" idiom. (generated_file_finalize): New, to help checking that generated files don't contain unexpanded '@substitutions@', and are made read-only. (automake, aclocal): Take advantage of the improved $(do_subst). Improve comments. (lib/Automake/Config.pm): Likewise, and of the new variable $(generated_file_finalize) as well. ($(top_srcdir)/m4/amversion.m4): Likewise. (defs-static): Likewise, and depend explicitly on 'Makefile'. (do_subst_t): Remove as obsolete. * THANKS: Update. Signed-off-by: Stefano Lattarini <stefano.lattarini@gmail.com>