Excerpt from logfile at http://thunderx1.nyi.freebsd.org/data/head-arm64-default/p454157_s325785/logs/errors/gcc6-aux-20170802.log : checking for sys/wait.h that is POSIX.1 compatible... no checking whether time.h and sys/time.h may both be included... no checking whether errno must be declared... no checking size of int... 0 checking size of long... 0 checking size of size_t... 0 checking for long long... yes checking size of long long... configure: error: in `/wrkdirs/usr/ports/lang/gcc6-aux/work/build/libiberty': configure: error: cannot compute sizeof (long long) See `config.log' for more details. gmake[2]: *** [Makefile:7409: configure-libiberty] Error 1 gmake[2]: Leaving directory '/wrkdirs/usr/ports/lang/gcc6-aux/work/build' gmake[1]: *** [Makefile:875: all] Error 2 gmake[1]: Leaving directory '/wrkdirs/usr/ports/lang/gcc6-aux/work/build' *** Error code 2 Stop. make: stopped in /usr/ports/lang/gcc6-aux ====>> Cleaning up wrkdir ===> Cleaning for gcc6-aux-20170802 build of lang/gcc6-aux ended at Fri Nov 17 06:57:00 UTC 2017 build time: 00:08:42 !!! build failure encountered !!!
A commit references this bug: Author: linimon Date: Sun Mar 11 06:25:28 UTC 2018 New revision: 464145 URL: https://svnweb.freebsd.org/changeset/ports/464145 Log: Mark as broken on aarch64/12. PR: 224444 Approved by: ericturgeon.bsd@gmail.com (maintainer timeout, 2 months) Changes: head/lang/gcc6-aux/Makefile
Marked broken 20180311.