Might be irrelevant idea, but is it not possible to detect it via simple code test into the Makefile eventually ?
- haproxy-1.8 build failure on FreeBSD/i386 (clang) Dmitry Sivachenko
- Re: haproxy-1.8 build failure on FreeBSD/i386 (clan... Dmitry Sivachenko
- Fwd: haproxy-1.8 build failure on FreeBSD/i386 (cla... David CARLIER
- Re: haproxy-1.8 build failure on FreeBSD/i386 (clan... Dmitry Sivachenko
- Re: haproxy-1.8 build failure on FreeBSD/i386 (... David CARLIER
- Re: haproxy-1.8 build failure on FreeBSD/i3... Dmitry Sivachenko
- Re: haproxy-1.8 build failure on FreeBS... Willy Tarreau
- Re: haproxy-1.8 build failure on FreeBSD/i386 (clan... David CARLIER
- Re: haproxy-1.8 build failure on FreeBSD/i386 (... Dmitry Sivachenko
- Re: haproxy-1.8 build failure on FreeBSD/i3... David CARLIER

