Building Coq in Cygwin

[Eliot Moss]

On 5/6/2021 8:22 AM, David Allsopp via Cygwin wrote:

 > I fixed the underlying problem in OCaml 4.12, but I haven't had time to propose
 > adopting the Cygwin packages yet - I'm hoping to over the next few months.
 >
 > The short-term workaround is either to use Cygwin32 or to install the opam, libgmp-devel and
 > flexdll 0.39 packages and run:
 >
 >    opam init
 >    opam switch -y create coq ocaml-base-compiler.4.12.0
 >    # This takes a looong time, especially the "make install" step
 >    opam install -y coq
 >    eval $(opam env)
 >    coqtop
 >    Quit.
 >
 > (NB flexdll 0.39 must be selected manually or using the new flexdll=0.39-1 syntax on the command 
line,
 > as I've left it marked test until ocaml 4.12 is packaged)

Thank you, David, that worked great!  I was able then to go on and process a
Coq library I was interested in, and it went through with no problems.  I
appreciate the help!

Best wishes - Eliot