Created attachment 203186 [details] patch Add USES=compiler:c++11-lang and remove our patches to fix build on GCC architectures. Those patches break build with GCC and are not needed by Clang.
Committed, thanks!
A commit references this bug: Author: yuri Date: Sat Mar 30 20:04:57 UTC 2019 New revision: 497342 URL: https://svnweb.freebsd.org/changeset/ports/497342 Log: audio/fabla2-lv2: fix build with GCC-based architectures PR: 236826 Submitted by: Piotr Kubaj <pkubaj@anongoth.pl> Changes: head/audio/fabla2-lv2/Makefile head/audio/fabla2-lv2/files/patch-src_picojson.hxx head/audio/fabla2-lv2/files/patch-src_ui_avtk_avtk_picojson.hxx