Re: Trouble compiling Winelib DLL for 64-bit on OpenSUSE

On Tue, Oct 15, 2024 at 11:43 PM Stefan Dösinger <[email protected]>
wrote:

> Hello Alexander,
>
> Am Dienstag, 15. Oktober 2024, 15:18:57 GMT+3 schrieb
> [email protected]:
> > I have previously asked about the problem I'm describing below on
> openSUSE's
> > forums [1], StackOverflow [2] and Wine's forums [3], where dimesio told
> me
> > that I could try to ask here. If this is the wrong place to ask, I
> > apologise.
>
> The mailing ist is the right place to ask :-)
>

If you post as bug on bugzilla, someone might help :-)


>
> I'll try to answer some of your questions below, but I am not much of a
> winelib expert and sadly winelib is getting relatively little love. In my
> quick test building a 32 and 64 bit .dll.so worked, but I would not be
> surprised if there are bugs.
>
> Wine itself has transitioned to a more formal (fake-)syscall and unix call
> interface to switch between the Windows and the Linux side. I think there
> are
> no DLLs left in Wine any more that have the old hybrid PE and ELF linkage.
>
> > winegcc -m32 -L/usr/lib64/wine/i386-unix -shared -o myproject.dll
> > myproject_main.c myproject.spec
>
> Does the 32 bit DLL link without the -L path? You shouldn't need it,
> winegcc
> and winebuild should know their installation path.
>
> > As I've discovered, openSUSE's wine-devel package does not provide any
> > archive files in /usr/lib64/wine/x86_64-unix, whereas wine-devel-32bit
> does
> > provide archive files under /usr/lib/wine/i386-unix (symlinked with the
> > same directory in /usr/lib64).
>
> It is quite likely a bug on openSUSE's side. They probably didn't even
> test
> winegcc with the wine-devel packages, as it is a pretty rare case that
> someone
> needs it.
>
> I think your best choice would be to build wine from source and install it
> to
> a custom prefix in your home directory. Hopefully the wine-devel packages
> pull
> in the right headers etc to make it easy to do.
>
> e.g. in pseudo code:
>
> ./configure --enable-win64 --prefix=~/mywine
> make && make install # no need for sudo. add -j X for faster build
> export PATH=~/mywine/bin:$PATH
>
> Now you should run winegcc from ~/mywine/bin/winegcc, and it has the 64
> bit .a
> files in ~/mywine/lib/wine/x86_64-unix.
>
> Any .dll.so generated that way should run with your system wide wine
> installation, so you should be able to copy it to other machines etc. If
> in
> doubt check out the oldest Wine version you want your binaries to run on.
>
>
>