Created attachment 201775 [details] patch -std=c90 is not supported by base GCC. Replace it with -std=c89, which is just the same. Tested on powerpc64 and amd64. Hardware sponsored by IntegriCloud.
A commit references this bug: Author: linimon Date: Wed Feb 6 00:39:33 UTC 2019 New revision: 492283 URL: https://svnweb.freebsd.org/changeset/ports/492283 Log: -std=c90 is not supported by base GCC. Replace it with -std=c89, which is equivalent, to fix build on GCC-based architectures. PR: 235536 Submitted by: Piotr Kubaj Approved by: portmgr (tier-2 blanket) Changes: head/security/sha1collisiondetection/Makefile