B20: bad support for Mingw?

[Maxim Sobolev]

I'm rebuilding jpeg.dll (on separate Mingw pakage it builds just fine). Here
is Makefile in attachment.

Earnie Boyd wrote:

> What library is it from?
>
> What command(s) are you or your package makefile using to build your
> executable?
>
> I've just succesfully built a native "HelloWorld" type program with no
> dependency on cygwin1.dll.
>
> The _impure_ptr means that you are mixing in cygwin1.dll dependencies.
>
> ---Maxim Sobolev <max@vega.pfts.com> wrote:
> >
> > Thank you it helped a bit but I still on link phase have an "undefined
> > reference to `_impure_ptr'" error.
> >
> > Maxim
> >
> > Earnie Boyd wrote:
> >
> > > ---Maxim Sobolev <max@vega.pfts.com> wrote:
> > > >
> > > > It seems to me that "-mno-cygwin" switch doesn't make it magick to
> > > > include Mingw32 version of header files (program that just fine
> > > compiled
> > > > with Mingw32 with B20 doesn't). Maybe there is any other switch to
> > > > include all needed header (Mingw instead of Cygwin) files? Any
> ideas?
> > > >
> > >
> > > I was able to resolve this by prefixing ../../../../ to the
> > > include/mingw32 in the -mno-cygwin commands for the cpp in the specs
> > > file.
> > >
> > > Here is the section of the specs file with the switches that work:
> > > *cpp:
> > > -remap %(cpp_cpu) %{posix:-D_POSIX_SOURCE}
> > > %{!mno-cygwin:-D__CYGWIN32__ -D__CY
> > > GWIN__}   %{mno-cygwin:-iwithprefixbefore
> ../../../../include/mingw32
> > > -D__MINGW3
> > > 2__=0.2}
> > >
> > > I verifyed that it picked up the correct header file by specifying
> the
> > > -H switch on the command line verifying that
> include/mingw32/dirent.h
> > > was included instead of include/dirent.h.
> > >
> > > ==
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>
> ==
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>
> PS: Newbie's, you should visit my page.
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