Set DFLTCC=0 environment variable as a workaround to avoid the test failures
related to zlib in the make test-all and make test-spec. The failures can
happen with the zlib library applying the patch madler/zlib#410 to enable the
deflate algorithm producing a different compressed byte stream.
.travis.yml: Upgrade the used Ubuntu s390x to 22.04 (Jammy). (#8401)
Upgrade the used Ubuntu version from 20.04 (Focal) to 22.04 (Jammy), alignin
with RubyCI "s390x (Ubuntu)" server.
https://rubyci.org/
Note Travis CI supports Ubuntu 22.04 (Jammy).
https://docs.travis-ci.com/user/reference/jammy/
Set
DFLTCC=0environment variable as a workaround to avoid the test failuresrelated to zlib in the
make test-allandmake test-spec. The failures canhappen with the zlib library applying the patch madler/zlib#410 to enable the
deflate algorithm producing a different compressed byte stream.