Re: [PATCH] [cygwin|mingw] fix dlpreopen with --disable-static take 2

[Peter Rosin]

Den 2009-01-13 16:41 skrev Charles Wilson:
> Peter Rosin wrote:
> > Den 2009-01-06 02:06 skrev Charles Wilson:
> > > Maybe under that name. But a libbfd-ified version of impgen (as a
> > > replacement for the IMO totally broken -- but part of mingw-utils-0.3 --
> > > reimp program), that happens to also supply an --identify <foo>
> > > --identify-ms functionality? Not so far-fetched.
> > Right, but it still seems as if this new fixed impgen tool is closer
> > to MinGW than to MSYS proper. However, as you say, better ask on a better
> > list...
>
> After playing with this idea for a while, it made more sense actually to
> separate the impgen2 functionality from the dllname stuff. It's not yet
> ready for prime time (and I'm trying to keep it in sync with on-going
> changes to dlltool in binutils HEAD), but I'll send my latest version of
>  these new tools to you offlist.  They compile with both cygwin-gcc
> (using libiberty and libbfd from 20080624), and with mingw-gcc-3.4.5
> (not sure what binutils version I have; one of the more recent releases
> from mingw/sourceforge I'm sure).

Works for import libs built by MSVC 2005, didn't test any other version.

> > I'm only saying that from the "binutils p.o.v." it makes at least some
> > sence to report all imported dlls. At least optionally, but again, this
> > was just a minor point...
>
> A new patch to binutils' dlltool was accepted that makes the following
> changes to --identify:
>   1) automatically determines -- and operates with -- MS-style or
> binutils-style implibs

I thought that I did build three dependent libraries A->B->C using MSVC
and MinGW alternatingly  (MSVC for A and C, MinGW for B, or the other way
around) just for testing interoperability, but that was a long
time ago... And I'm not sure I really did it or if it worked. I guess
I should do it again (if I did it, otherwise I should just do it).

>   2) by default, lists all imported DLLs
>   3) new --identify-strict flag causes multiple imported DLLs to be
> reported as an error
> http://sourceware.org/ml/binutils/2009-01/msg00152.html

Cool.

I'm hoping for this to get into MSYS 1.0.11 (or 12...) so that we can
rely on its presence.

Cheers,
Peter