chore, up sxe-compiler.m4 pkg to the latest revision

Signed-off-by: Sebastian Freundt <freundt@ga-group.nl>
chore, add EXTRA_CFLAGS to AM_CFLAGS

Signed-off-by: Sebastian Freundt <freundt@ga-group.nl>
chore major, use rudi's tinav version number system

Signed-off-by: Sebastian Freundt <freundt@ga-group.nl>
chore, move auxiliary build stuff into build-aux

Signed-off-by: Sebastian Freundt <freundt@ga-group.nl>
chore, populate version.mk VERSION string in test suite also

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

* bld/dist:
  chore, populate version.mk VERSION string in test suite also
  chore, move auxiliary build stuff into build-aux
  chore major, use rudi's tinav version number system
  chore, add EXTRA_CFLAGS to AM_CFLAGS
  chore, up sxe-compiler.m4 pkg to the latest revision