[FFmpeg-devel] [PATCH] build: use Windows path for MSVC

[Hendrik Leppkes]

On Sat, Jan 23, 2016 at 5:24 PM, Michael Niedermayer
<michael at niedermayer.cc> wrote:
> On Sat, Jan 23, 2016 at 05:16:28PM +0100, Hendrik Leppkes wrote:
>> On Sat, Jan 23, 2016 at 4:27 PM, Andreas Cadhalpun
>> <andreas.cadhalpun at googlemail.com> wrote:
>> > On 23.01.2016 15:07, Hendrik Leppkes wrote:
>> >> On Sat, Jan 23, 2016 at 2:51 PM, Andreas Cadhalpun
>> >> <andreas.cadhalpun at googlemail.com> wrote:
>> >>> On 23.01.2016 14:48, Hendrik Leppkes wrote:
>> >>>> Unfortunately, cygpath is not guaranteed to be available, and in fact
>> >>>> is not on some working build setups today (ie. msys1 environments with
>> >>>> msvc)
>> >>>
>> >>> Is there another way to get the Windows path on those environments?
>> >>>
>> >>
>> >> Not that I am aware.
>> >
>> > Hmm, sed should be available everywhere.
>> >
>> > Does the attached patch fix the MSVC builds?
>> >
>>
>> Unfortunately these assumptions are also not valid. On cygwin for
>> example, a path would be /cygdrive/C/path/to/folder
>> Dealing with absolute paths in the unix/windows mixture is just not
>> going to be easy, which is why we were careful to avoid them at all
>> before.
>
> IIUC windows excutables get their command line arguments translated
> from unix to dos paths. Cant that be used to turn a unix into a dos
> path to then later use in a more convoluted (not auto translated)
> argument ?
>

We had an external wrapper before, but we just got rid of it some time
ago by fixing some more things, I would rather not get it back for
some complicated build change I don't even quite understand or see the
benefit of.

- Hendrik