Mail Archives: cygwin-apps/2002/01/09/15:30:21
Charles Wilson wrote:
>
> Earnie Boyd wrote:
>
> > Yet, if the dll is dependent on cygwin1.dll it must be prefixed with
> > `cyg'. There is not a point of argument, it is an agreed upon
> > standard. Not all packages that existed before the standard was stated
> > have been upgraded to the standard. However, new packages being added
> > must meet that standard, regardless of other points of view.
> >
> > My guess is that you're using a cross build platform that hasn't
> > incorporated the necessary changes to binutils to accomplish this
> > naturally. If this is true then you need to upgrade your binutils cross
> > to the most current versions of cygwin released binutils source.
>
> I'm confused. What's all this talk about needing "new" binutils?
Yep, I'd say. My guess is that Stipe is using a cross buiold platform
that doesn't include your change. Therefore he has to hard code the
prefix in filename translations in the Makefile.in or what ever the
configuration files are named.
> The
> only feature related to 'cyg' prefixes on dlls is the one I added:
> --dll-search-prefix. Quoting from the info:
>
> `--dll-search-prefix STRING'
> When linking dynamically to a dll without an import library, search
> for `<string><basename>.dll' in preference to `lib<basename>.dll'. This
> behavior allows easy distinction between DLLs built for the various
> "subplatforms": native, cygwin, uwin, pw, etc. For instance, cygwin
> DLLs typically use `--dll-search-prefix=cyg'
>
> This has to do ONLY with the following scenario:
> 1) I want to build a client program 'bar'
> 2) it needs to link to the foo DLL
> 3) I don't have an import lib for foo DLL
> 4) foo DLL is named according to the subplatform specific scheme: in
> the case of cygwin, cygfoo.dll
> 5) I link thus: "gcc Wl,--dll-search-prefix=cyg -L/usr/bin -lfoo -o
> bar bar.o" (actually, you don't typically need to specify the -Wl,* as I
> have done -- cygwin's gcc spec file's LINK section will do that for you)
>
> --dll-search-prefix affects ONLY the search order for linking TO a DLL.
> It has no effect on the process of creating or naming a DLL that you
> try to create.
>
> If a given package creates DLLs with the name "libfoo.dll" and you want
> it to be named "cygfoo.dll", you have to muck with the Makefiles.
> Period. (Note that import libs should be named libfoo.dll.a, not
> cygfoo.dll.a or libfoo.a)
>
> Or are you talking about some other "feature" of recent binutils of
> which I am not aware?
>
No, this is the one I'm talking of.
Earnie.
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