chore, split BUILT_SOURCES in test/ into distributed ones and non-dist sources

Signed-off-by: Sebastian Freundt <freundt@ga-group.nl>
Merge branch 'test/tzmaps'

* test/tzmaps:
  chore, split BUILT_SOURCES in test/ into distributed ones and non-dist sources
fix, PEBKAC, close the file opened in parse_file() of tzmap

Signed-off-by: Sebastian Freundt <freundt@ga-group.nl>
minor, split error() into serror() and error(), the former eval'ing errno

Signed-off-by: Sebastian Freundt <freundt@ga-group.nl>
minor, provide more safety nets when compiling tzmaps

Signed-off-by: Sebastian Freundt <freundt@ga-group.nl>
minor, provide a check command to tzmap(1)

Signed-off-by: Sebastian Freundt <freundt@ga-group.nl>
minor, also check for zonenames

Signed-off-by: Sebastian Freundt <freundt@ga-group.nl>
Merge branch 'feat/tzmap-check'

* feat/tzmap-check:
  minor, also check for zonenames
  minor, provide a check command to tzmap(1)
  minor, provide more safety nets when compiling tzmaps
  minor, split error() into serror() and error(), the former eval'ing errno
  fix, PEBKAC, close the file opened in parse_file() of tzmap
fix, PEBKAC, don't confuse automake with custom names

Signed-off-by: Sebastian Freundt <freundt@ga-group.nl>
chore, reorder directory traversal so a final distclean would work

Signed-off-by: Sebastian Freundt <freundt@ga-group.nl>
chore, revert, move back contrib/ to the end of the traversal list

Signed-off-by: Sebastian Freundt <freundt@ga-group.nl>
minor, solve subdir-objects bug in automake 1.14+ by making sources local to contrib/

Signed-off-by: Sebastian Freundt <freundt@ga-group.nl>
chore, list non-distributed built sources in test/ in DISTCLEANFILES

Signed-off-by: Sebastian Freundt <freundt@ga-group.nl>
chore, provide descriptions to .tzminfo files

Signed-off-by: Sebastian Freundt <freundt@ga-group.nl>
Merge branch 'bld/dist'

* bld/dist:
  chore, list non-distributed built sources in test/ in DISTCLEANFILES
  minor, solve subdir-objects bug in automake 1.14+ by making sources local to contrib/
  chore, revert, move back contrib/ to the end of the traversal list
  chore, reorder directory traversal so a final distclean would work
  fix, PEBKAC, don't confuse automake with custom names
Merge branch 'core/tzmaps'

* core/tzmaps:
  chore, provide descriptions to .tzminfo files