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This patch aims to fix some problems of the version handling of
ptxdist which were introducted with switching to timed releases:
a) The version is specified in "configure.ac", the "local version"
("00003-gbf29f16") is generated by "setlocalversion".
"setlocalversion" generates it's ouput relative to the latest tag.
This leads to strange version strings, after creating a tag, and
forgetting to run "./autogen.sh && ./configure && make".
b) The ptxdist created with a "make dist", even if a not tagged version,
always thinks it's a release.
c) BSPs working with "master" need a migrate after each release. Because
the compatibility checker uses year and month.
The problems are^Wshould be fixed with these changes:
a) "setlocalversion" now generates the whole full version, e.g.:
"2010.04.0-00003-gbf29f16".
"configure.ac" uses "m4_esyscmd" to figure out the current version
while running "configure". (Yes, "configure").
b) A file ".tarball-version" is added to the tarball to track the
version while creating the tarball (same goes for the installation).
"setlocalversion" will use the version information from
".tarball-version"
c) If both ptxdist and config file are not using a release, i.e. their
versions an "appendix", we say it's compatibe, too.
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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