chore, skip LDFLAGS check, adapt to updated sxe-compiler.m4

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

* bld/dist:
  chore, skip LDFLAGS check, adapt to updated sxe-compiler.m4
  chore, remove unnecessary m4 macro packs
  chore, update sxe-compiler.m4
chore, turn on verbose build for travis CI

Signed-off-by: Sebastian Freundt <freundt@ga-group.nl>