I am learning how to compile OCaml 4.07.1 on Windows 10. make world and make world.opt both fail with the following error: make -C byterun all make[1]: Entering directory '/home/ci/ocaml-4.07.1/byterun' flexlink -x64 -merge-manifest -stack 33554432 -exe -link "/ENTRY:wmainCRTStartup" -o ocamlrun.e…

Looks like a related issue: https://caml.inria.fr/mantis/view.php?id=7263 (are you sure it picked mingw toolchain and not msvc again?)

In esy we build OCaml compiler on Windows using mingw toolchain. We do have a fork of flexdll though but as far as I know most of the fixes are related to long file path on Windows + a fix for linking C++ code. I’m not an expert here, @bryphe did this and knows better.

Thank you for suggesting mingw. Unfortunately, I just tried and got the same error with mingw.

Thank you very much for exhuming this issue: that makes me realize that I missed the paragraph in README.win32.adoc telling that to use recent versions of Visual Studio, I have to bootstrap flexdll (I was using the binary version distributed by @alainfrisch ). It works much better now… but make worl…

Your original problem is due to the fact that flexdll includes a small runtime support library, and the binary version is compiled with a Visual Studio < 2015 which is not binary compatible with VS >= 2015. You have two options: Re-compile flexdll from source and use that when compiling OCaml Com…

[image] thierry-martinez: '..\..\boot\ocamlrun' is not recognized as an internal or external command, operable program or batch file. This error is a bit strange because it is a cmd.exe error, which you should not get if you are building under Cygwin.

Flexlink error when compiling OCaml 4.07.1 on Windows 10

Learning

XVilka February 22, 2019, 5:20am 3

Huh, and people were telling me OCaml works smoothly on Windows: OCaml and Windows

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Flexlink error when compiling OCaml 4.07.1 on Windows 10

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