Building png 1.6.20 fails on sparc64 (FreeBSD 9.3-RELEASE-p24) in tests/pngvalid-transform. The error seems identical with the failing MIPS build log at pkg-fallout message http://lists.freebsd.org/pipermail/freebsd-pkg-fallout/Week-of-Mon-20151207/274162.html
@Henkka, is this a regression on the previous version?
I have 1.6.19 installed, which compiled fine on Mon Nov 16 16:03:28 2015 EET. The system has not been updated since then.
A commit references this bug: Author: antoine Date: Tue Dec 8 18:23:29 UTC 2015 New revision: 403332 URL: https://svnweb.freebsd.org/changeset/ports/403332 Log: Do not fail the build if regression tests do not pass, there seems to be a regression on big endian archs between versions 1.6.19 and 1.6.20 (reported upstream) PR: 205125 MFH: 2015Q4 Changes: head/graphics/png/Makefile
A commit references this bug: Author: antoine Date: Tue Dec 8 19:33:57 UTC 2015 New revision: 403344 URL: https://svnweb.freebsd.org/changeset/ports/403344 Log: MFH: r403332 Do not fail the build if regression tests do not pass, there seems to be a regression on big endian archs between versions 1.6.19 and 1.6.20 (reported upstream) PR: 205125 Changes: _U branches/2015Q4/ branches/2015Q4/graphics/png/Makefile
Workaround committed for now so that port will build. Upstream needs to be notified about the problem of not building on various arches.