It's an old mail. Not sure somebody has made the point. Hope not to make mess.
Hi Carlo,
You can try to change your MSYS/MINGW env. “$MSYSTEM" from "MINGW64" to
"MINGW32".
Since currently the configure file in ffmpeg don't support mingw other than
mingw32.
``` slice in ffmpeg/configure
exesuf() {
case $1 in
mingw32*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo
.exe ;;
esac
}
```
I just come across to the same problem recently by change "$MSYSTEM" in
"msys.bat" from "MINGW32" to "MINGW64".
I made this modification for distinguishing the mingw64 and mingw32 that both
installed on my system (the 2 mingw has their own independent msys copy).
At 2015-06-25 17:32:01, "Carlo Butelli" <[email protected]> wrote:
> Hi all,
> I am dealing with the installation of ffmpeg in windows 7 64bit. Expecially >
> I was dealing with the installation of libfdk_aac. I followed the tutorial >
> in the siteweb: > > https://trac.ffmpeg.org/wiki/CompilationGuide/Ubuntu > >
> by using msys to run all the commands and everything went well until the >
> last set of commands: > > PATH="$HOME/bin:$PATH"
> PKG_CONFIG_PATH="$HOME/ffmpeg_build/lib/pkgconfig" > ./configure \ > ... > >
> When I run this, I get an error like: > > Unknown OS 'mingw64_nt-6.1'. > >
> How could I solve this issue? > > Thank you in advance for your availability
> and please let me know if you > need more details just in case. > > Regards,
> > > Carlo
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