pkg-fallout reported the following build failure on 8.4 (GCC)
src/zactor.c:1: error: stray '\357' in program
src/zactor.c:1: error: stray '\273' in program
src/zactor.c:1: error: stray '\277' in program
Back port the fix [1] removing BOM headers after creating an issue [2]
upstream.
[1] https://github.com/zeromq/czmq/pull/1031
[2] https://github.com/zeromq/czmq/issues/1029
Reported by: pkg-fallout