Hello Guix,

I pushed current patch series to master with a minor fix for
'extra-options' fields and update to a new Zabbix release.

f2f956010c64503daa18cf8138a3264212969c3d gnu: zabbix-agentd: Update to 4.0.2.
85c07cff9cd2197a16c2d3544e4930e278513cf7 services: monitoring: Add 'zabbix-front-end'.
1a3e7534d0a02fad1d19173985cf47e1aaa3b956 gnu: Add php-with-bcmath.
e517161d6b0ee544dab94477c9ffbad59cc1834b services: php-fpm: Add 'timezone' configuration.
6106d7cae49fb6686a237b53d465c89211ecad8f services: monitoring: Add 'zabbix-agent'.
6b1c4179e2596d860b1c49dea8021bc39d28da67 services: monitoring: Add 'zabbix-server'.
2c9ac8392ad867f65b1313216dbe7179d6083df5 gnu: zabbix-server: Split output.

Successfully tested with:

make check-system TESTS="zabbix"
make check-system TESTS="php-fpm"

Oleg.