Re: Tests fail in Windows with cygwin

[Michele Locati]

> > The error message from the main process is a consequence of the error
> > in the child process. The comment says that apparently, non-blocking sockets
> > don't work. The code in gnulib/lib/nonblocking.c uses Windows system calls
> > with pipes.
> >
> > Maybe the cause is that in your CI you use
> >
> >     defaults:
> >       run:
> >         shell: C:\cygwin\bin\bash.exe --login -e {0}
> >
> > where my CI has
> >
> >     defaults:
> >       run:
> >         shell: C:\cygwin\bin\bash.exe -eo pipefail -o igncr '{0}'
> >
> > ?
>
> I first tried starting bash with "-o errexit" [1], but
> test-nonblocking-socket.sh still failed [2].
>
> Then I tried with "-o errexit -o pipefail" [3], and
> test-nonblocking-socket.sh failed again [4].
>
> The error is always the same:

Another difference between my [1] and your [2] environment is that I
may use a stricter value for the PATH environment variable.
Since GitHub runners are full of useful tools that can still interfere
with the build process, I force the PATH to be as basic as possible:
it only contains these folders:
/installed
/usr/i686-w64-mingw32/bin
/usr/i686-w64-mingw32/sys-root/mingw/bin
/usr/sbin
/usr/bin
/sbin
/bin
/cygdrive/c/Windows/System32
/cygdrive/c/Windows

Can this affect "make check"?

--
Michele

[1] https://github.com/mlocati/gnulib-cygwin-tests
[2] https://github.com/gnu-gnulib/ci-testdir-check