On Fri, 16 Apr 2021 11:17:50 +0100 David Allsopp wrote: > I'm unable to build OCaml using the mingw-w64 compilers with Cygwin 3.2.0. > Windows 10.0.19042.928 (and tried on three different machines so far) > > Repro: > > - Fresh Cygwin64 installation with make, libiconv, mingw64-x86_64-gcc-core > and git added; fire up mintty > - git clone --depth 1 --recursive https://github.com/ocaml/ocaml > - cd ocaml && ./configure --host=x86_64-w64-mingw32 && make -j8 flexdll && > make -j8 world.opt > > This is consistently hanging with Cygwin 3.2.0 and seems possibly to have > something to do with linking (the creation of runtime/ocamlrun.exe and > stdlib/camlheader, which is also an executable, seem to be part of the > problem). > > It can be immediately fixed by downgrading to Cygwin 3.1.7, cleaning the > tree and repeating the build. > > I'm of course very happy to try to reduce this to a smaller repro case, but > is there an obvious culprit in Cygwin 3.2.0 to check before I do?
Thanks for the report. I looked into this problem and found that the caused is the combination of some race issues for non-cygwin processes in pty and console code. I will submit the patches fixing this issue. -- Takashi Yano <takashi.y...@nifty.ne.jp> -- Problem reports: https://cygwin.com/problems.html FAQ: https://cygwin.com/faq/ Documentation: https://cygwin.com/docs.html Unsubscribe info: https://cygwin.com/ml/#unsubscribe-simple