Created attachment 205884 [details] patch The big-endian ifdef misses ||.
This builds for me on both amd64 and powerpc64. So, approved, once/if maintainer times out.
A commit references this bug: Author: pkubaj Date: Sat Aug 24 12:42:02 UTC 2019 New revision: 509722 URL: https://svnweb.freebsd.org/changeset/ports/509722 Log: math/amath: fix build on powerpc* and mips* The big-endian ifdef misses ||. PR: 239298 Approved by: cs@innolan.net (maintainer timeout), linimon (mentor) Changes: head/math/amath/Makefile head/math/amath/files/patch-src_real_prim.h