It's been some time... Opam really needs an update.

On Fri, Dec 31, 2021 at 01:41:44PM -0500, Daniel Dickman wrote:
>On Fri, Dec 31, 2021 at 2:36 AM Christopher Zimmermann
><chrisz@openbsd.org> wrote:
>>
>> Hi,
>>
>> this update of opam changes to the build-utils shipped with opam and
>> drops dependencies on our ports utils. This makes ports dune version
>> independent of opam. OK?
>>
>> Christopher
>
>1) I get a bunch of failures like this when running "make test". we
>probably have to neuter "-- strip-trailing-cr" usage?
>
>var-option                    diff: unknown option -- strip-trailing-cr
>usage: diff [-abdipTtw] [-c | -e | -f | -n | -q | -u] [-I pattern] [-L label]
>            file1 file2
>       diff [-abdipTtw] [-I pattern] [-L label] -C number file1 file2
>       diff [-abditw] [-I pattern] -D string file1 file2
>       diff [-abdipTtw] [-I pattern] [-L label] -U number file1 file2
>       diff [-abdiNPprsTtw] [-c | -e | -f | -n | -q | -u] [-I pattern]
>            [-L label] [-S name] [-X file] [-x pattern] dir1 dir2
>[FAIL]

This is now dealt with by using gdiff for tests.

>2) Running portcheck resulted in:
>
>C++ libraries in WANTLIB with default COMPILER (most ports need
>'COMPILER=base-clang ports-gcc' or 'COMPILER=base-clang ports-gcc
>base-gcc')

I also made some tests more posix compliant, which helps them to succeed 
on OpenBSD. I will try to get those fixes upstream.

OK?

Christopher