Created attachment 202319 [details] patch -msse -msse2 -mfpmath=sse are not available besides amd64 and i386. Remove them from Makefile. Rename SSE_MAKE_ENV to SSE_CFLAGS to add them when SSE option is enabled. Tested on powerpc64 and amd64. Hardware sponsored by IntegriCloud.
Committed a different patch that resolves the issue.
A commit references this bug: Author: yuri Date: Sun Feb 24 17:30:53 UTC 2019 New revision: 493774 URL: https://svnweb.freebsd.org/changeset/ports/493774 Log: audio/gmsynth-lv2: fix build with GCC-based architectures It was a missing patch for Makefile, that the port option was relying on. Also, rename the option SSE->SIMD. PR: 235987 Reported by: Piotr Kubaj <pkubaj@anongoth.pl> Changes: head/audio/gmsynth-lv2/Makefile head/audio/gmsynth-lv2/files/ head/audio/gmsynth-lv2/files/patch-Makefile