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* configure.ac (version): New variable, which has nicer version contents when using git 1.5.5+, hardcoded to 1.9a otherwise. (TIMESTAMP): Delete, since CVS id expansion died with transition to git. (AM_INIT_AUTOMAKE): Use version to decide gnu vs. gnits. * build-aux/mkstamp: Delete, no longer used. * Makefile.am (CONFIG_STATUS_DEPENDENCIES): Kill, to speed up rebuilds when timestamps don't matter. (MKSTAMP): Delete, no longer used. (EXTRA_DIST): No longer worry about mkstamp. (.version): New rule and distributed file. (doc/m4.1, tests/package.m4): Depend on .version, not configure.ac, for timestamp. * ltdl/m4/gnulib-cache.m4: Import git-version-gen module. * modules/gnu.c (__m4_version__): TIMESTAMP no longer exists. * src/main.c (main): Likewise. Signed-off-by: Eric Blake <ebb9@byu.net>