[FFmpeg-user] Compiling on Cygwin

Brendan Brewster brendan.brewster at gmail.com
Sun Apr 15 19:37:22 CEST 2012


2012/4/11 Víctor Paesa <victorpaesa at googlemail.com>

> Hi,
>
> On Thu, Apr 12, 2012 at 00:05, Brendan Brewster wrote:
> > 2012/4/11 Víctor Paesa
> >
> >> Hi,
> >>
> >> On Tue, Apr 10, 2012 at 05:32, Brendan Brewster wrote:
> >> > On Mon, Apr 9, 2012 at 6:33 AM, DEF wrote:
> >> >
> >> >> On Apr 9, 2012 9:55 AM, "Brendan Brewster"
> >> >> wrote:
> >> >> >
> >> >> > Is there anything special I'm supposed to do to get a basic build
> to
> >> work
> >> >> > on Cygwin? Thanks in advance :)
> >> >> >
> >> >> > ~/ffmpeg-20120408-git-N-39644-g5d6a40b
> >> >> > $ ./configure
> >> >> > install prefix            /usr/local
> >> >> > source path               .
> >> >> > C compiler                gcc
> >> >>
> >> >> gcc  -version ??
> >> >> cygwin1.dll  version. ?
> >> >> _______________________________________________
> >> >
> >> > $ gcc -v
> >> > Reading specs from /usr/lib/gcc/i686-pc-cygwin/3.4.4/specs
> >> > Configured with:
> >> > /managed/gcc-build/final-v3-bootstrap/gcc-3.4.4-999/configure
> --verbose
> >> > --program-suffix=-3 --prefix=/usr --exec-prefix=/usr --sysconfdir=/etc
> >> > --libdir=/usr/lib --libexecdir=/usr/lib --mandir=/usr/share/man
> >> > --infodir=/usr/share/info
> >> > --enable-languages=c,ada,c++,d,f77,pascal,java,objc --enable-nls
> >> > --without-included-gettext --enable-version-specific-runtime-libs
> >> > --without-x --enable-libgcj --disable-java-awt --with-system-zlib
> >> > --enable-interpreter --disable-libgcj-debug --enable-threads=posix
> >> > --enable-java-gc=boehm --disable-win32-registry
> --enable-sjlj-exceptions
> >> > --enable-hash-synchronization --enable-libstdcxx-debug
> >> > Thread model: posix
> >> > gcc version 3.4.4 (cygming special, gdc 0.12, using dmd 0.125)
> >> >
> >> > $ uname -r
> >> > 1.5.25(0.156/4/2)
> >>
> >> There are some Cygwin hints in doc/plaform.texi
> >> You should upgrade to gcc4/Cygwin 1.7x
> >>
> >> Regards,
> >> Víctor
> >> _______________________________________________
> >> ffmpeg-user mailing list
> >> ffmpeg-user at ffmpeg.org
> >> http://ffmpeg.org/mailman/listinfo/ffmpeg-user
> >>
> >
> > Hi Victor,
> >
> > Thanks, I've been meaning to upgrade but just haven't gotten around to it
> > and haven't had issues with other things.
> >
> > If there is something specific to 1.5.x that's causing the issue, that's
> > one thing and I'd like to know about it, but I feel like something else
> is
> > going wrong.
> >
> > I'll take a look at the doc you mentioned and may even try Carl's
> > workaround.
>
> I know that 1.5.x lacks llrint() but I think FFmpeg has added some
> workaround for it.
> gcc4/1.7.x, has better support for C99 features.
> Yes, Carl's advice --disable-network is sound.
>
> Regards,
> Víctor
> _______________________________________________
> ffmpeg-user mailing list
> ffmpeg-user at ffmpeg.org
> http://ffmpeg.org/mailman/listinfo/ffmpeg-user
>

Victor, thanks for your helpful and informative responses, it's appreciated!

-Brendan


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