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Re: Trouble with running cygwin dll on Vortex86MX+ CPU
- From: Colin <colin dot wall at gallagher dot co>
- To: cygwin at cygwin dot com
- Date: Fri, 4 Apr 2014 08:06:54 +0000 (UTC)
- Subject: Re: Trouble with running cygwin dll on Vortex86MX+ CPU
- Authentication-results: sourceware.org; auth=none
- References: <loom dot 20140403T003453-906 at post dot gmane dot org> <lhkjdv$ph3$1 at ger dot gmane dot org>
RenÃ Berber <r.berber <at> computer.org> writes:
> What you usually do on those cases:
> 1. On the build host, run ldd (or cygcheck) on the program, see the full
> list of dynamic libraries used.
> 2. Try to do the same on the target host. Yes, ldd does depend on
> cygwin1.dll, so it may not run. cygcheck doesn't depend on the
> cygwin1.dll .
I'll do some more of this next week when back at work. I did do cygcheck -s
-v -r on the target (from the Cygwin Reporting Problems page) but it
produced no output.
> > I can do the same on any desktop PC running Windows XP, or 7, my "Hello
> > World" runs as expected.
> For completeness sake, you mean a PC where Cygwin has not been installed?
That is correct
> > In discussing this with the embedded PC supplier, he suggests that the
> > cygwin1.dll is exiting because it doesn't recognise the CPU. Is this
> > explanation plausible?
> I don't know, but I doubt it. As long as it is compatible with the
> Intel x86 architecture, and Windows is a "complete" version, it should
That is what I had expected...
> Cross-compilation from Cygwin to Win32 (MinGW, MinGW-w64) is still
> possible, just needs a different set of tools which are available in the
> Cygwin distributed packages. Actually is a better option in your case,
> unless you really want to use a long list of libraries which may not be
> ported to Win32, or build programs intended for Unix/Linux.
My reason for using Cygwin was so as to re-use code originally written for
Linux with POSIX serial ports etc.
Thank you for your help.
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