The following packages have unmet dependencies:
clang-6.0 : Depends: libjsoncpp0 (>= 0.6.0~rc2) but it is not installable
E: Unable to correct problems, you have held broken packages.
apt-get.diagnostics
apt-get install failed
The command "sudo -E apt-get -yq --no-install-suggests --no-install-recommends $(travis_apt_get_options) install clang-6.0 libstdc++-7-dev libpcap-dev" failed and exited with 100 during .
P.S. The best way to capture this kind of errors is to enable "cron" builds on Travis. :)
Travis build for clang 5.0 and 6.0 is broken:
https://travis-ci.org/rigtorp/udpreplay/builds/616401609 https://travis-ci.org/rigtorp/udpreplay/builds/616800378
P.S. The best way to capture this kind of errors is to enable "cron" builds on Travis. :)