On Tue, Sep 03, 2019 at 10:17:04AM +0200, Adam Borowski wrote: > I'm afraid that asciidoctor 2.0 dropped support for docbook45. The > explanation given is here: > https://github.com/asciidoctor/asciidoctor/issues/3005 > > This makes btrfs-progs fail to build unless docs are off, with: > asciidoctor: FAILED: missing converter for backend 'docbook45'. Processing aborted. > > Naively bumping the backend to docbook5 makes the output fail to pass > validation. As a workaround you can do XMLTO_EXTRA += --skip-validation it builds and the result looks correct from the few samples I tried. Proper conversion to docbook5 will need to happen anyway, I'll open an issue for 5.3 target. Thanks for the report.
