Building bug report

Hi, I have tried to build Firefox57 for 3 days but I had always the same error when it is building. There are the infos: FreeBSD Laptop-Mathieu 11.1-RELEASE FreeBSD 11.1-RELEASE #0 r321309: Fri Jul 21 02:08:28 UTC 2017 r...@releng2.nyi.freebsd.org:/usr/obj/usr/src/sys/GENERIC  amd64 /usr/

Building bud report Thunderbird

Hi, I tried to upgrade Thunderbird, but I always have an error when it is building. I tried more than one time, but it is always happen. There are my infos: FreeBSD Laptop-Mathieu 11.1-RELEASE FreeBSD 11.1-RELEASE #0 r321309: Fri Jul 21 02:08:28 UTC 2017 r...@releng2.nyi.freebsd.org:/usr/ob