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From: Raoul Gough (raoulgough_at_[hidden])
Date: 2003-01-23 12:12:19

"Beman Dawes" <bdawes_at_[hidden]> wrote in message
> At 10:24 AM 1/22/2003, David Abrahams wrote:
> >"Raoul Gough" <raoulgough_at_[hidden]> writes:
> >
> >>
> >> OK, I'll go with that (see the attached diff - it does the trick
> >> Win2000). David, do you mind if I check this in?
> >
> >looks good to me!
> I haven't been following this thread, or the one about gcc-nocygwin.
> "gcc" is currently used for the Win32 regression tests. I do have
> installed on my machine, but get the gcc sources directly and
compile them
> for the version used in the tests.

As far as I know, the i686-pc-cygwin configuration doesn't build or
install the mingw/no-cygwin version of libstdc++ (not by default,
anyway). This means you'd have to be careful exactly what library
version you're testing with, when using the gcc-nocygwin toolset.
Hopefully, you'd get one freshly built from sources, but you might
actually get the one originally installed by the Cygwin setup program.
Someone on the cygwin mailing list could probably explain how they
build the gcc binary distribution, which includes both Windows
versions of libstdc++.

One other thing to watch out for is that some of the cygwin/mingw
specific parts of gcc are off the mainline branch in CVS (I'm
currently using cygwin-mingw-gcc-3_2-branch).

> If any of that should change, please let me know.

>From what William Kempf is saying, it would be good to test the mingw
or gcc-nocygwin toolset, since the Cygnus gcc will use its
pthreads-emulation layer by default. Whether to use mingw or Cygnus
probably depends on how hard it is to build the Cygnus compiler with
complete support for -mno-cygwin.

Raoul Gough.

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