Hello,

1st: I don't know much about ocaml, I just wanted to install a program that depends on ocaml-yaml. The compilation fails on OpenBSD. If anyone can comment on what is going on, I'd be grateful.

Thanks
Ruda

$ opam install yaml
The following actions will be performed:
=== install 1 package

• install yaml 3.2.0

<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
-> retrieved yaml.3.2.0 (cached)
[ERROR] The compilation of yaml.3.2.0 failed at "dune build -p yaml -j 1".

#=== ERROR while compiling yaml.3.2.0 =========================================#

context 2.2.0 | openbsd/x86_64 | ocaml.4.14.2 | https://opam.ocaml.org#0229444faf6806e6b12591956211b794451a1eab

path ~/.opam/default/.opam-switch/build/yaml.3.2.0

command ~/.opam/default/bin/dune build -p yaml -j 1

exit-code 1

env-file ~/.opam/log/yaml-21432-914a46.env

output-file ~/.opam/log/yaml-21432-914a46.out

output

ffi_ml_types_stubgen.c:116:32: note: forward declaration of 'struct event_scalar_s'

[...]

ffi_ml_types_stubgen.c:128:16: error: offsetof of incomplete type 'struct event_scalar_s'

offsetof(struct event_scalar_s, length));

^ ~~~~~~

/usr/include/stddef.h:69:32: note: expanded from macro 'offsetof'

#define offsetof(type, member) __builtin_offsetof(type, member)

^ ~~~~

ffi_ml_types_stubgen.c:116:32: note: forward declaration of 'struct event_scalar_s'

offsetof(struct event_scalar_s, style));

^

fatal error: too many errors emitted, stopping now [-ferror-limit=]

20 errors generated.

<><> Error report <><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><>
+- The following actions failed
| - build yaml 3.2.0