[Ffmpeg-devel] [patch] building on windows

[Diego Biurrun]

On Fri, Jul 14, 2006 at 01:03:30AM +0200, Herv? W. wrote:
> On 14/07/06, Diego Biurrun <diego at biurrun.de> wrote:
> >On Thu, Jul 13, 2006 at 04:40:45PM +0200, Christoph Pfister wrote:
> >>
> >> The following rule in the makefile doesn't work properly because symlinks
> >> aren't available on windows.
> >>
> >> Because of that users have to manually rename e.g. avcodec.dll.<number> 
> >> to avcodec.dll. The following patch fixes it.
> >>
> >> --- old/common.mak    2006-07-13 16:17:56.000000000 +0200
> >> +++ new/common.mak    2006-07-13 16:32:07.000000000 +0200
> >> @@ -18,7 +18,11 @@ $(LIB): $(STATIC_OBJS)
> >>       $(RANLIB) $@
> >>
> >>  $(SLIBNAME): $(SLIBNAME_WITH_MAJOR)
> >> +ifeq ($(CONFIG_MINGW),yes)
> >> +     cp -sf $^ $@
> >> +else
> >>       ln -sf $^ $@
> >> +endif
> >
> >Hmm, 'cp -sf' makes symbolic links as well, at least with GNU cp.  So
> >does this work properly on Windows?  The '-s' gets ignored or what?
> 
> At least in MSYS version 1.0.10   'ln -s' and 'cp -s'  already make
> copies of the files that are supposed to be linked to. I'm not sure in
> which situation Christophs patch is relevant.

So MinGW/MSYS has ln?  Then this patch is unnecessary.

So which version of MSYS are you running, Christoph?

Diego