This reverts commit 6fff5c5ba23a2790c9d189de82e157c9fa986f96.
Revert "Use $(top_srcdir) entries for mswin (#8244)"
This reverts commit e327bf32bdfa610a0f1834048bb1422de992c073.
Revert "Update dependencies"
This reverts commit aba26a88040c322a188292447fd18a2b9c76c713.
Revert "Use {$(VPATH)} for OpenBSD"
This reverts commit 2046e054bc811fd6a8e30c926aa6c9c4a5884262.
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None of those revisions actually worked for both mswin and OpenBSD at
the same time. I need more time to build something that works for both.
57dfd5c245