Hello again,
Did someone experienced the same problem and can help me to understand what is
wrong please?
Thank you
Franco
Il 28/10/2013 14:20, Zanelli Franco ha scritto:
Ok,
I'd like to make a shared library called mylib.so that include static
ffmpeg libraries libavcodec.a libavformat.a ..etc. in order to have just one
shared library
I'm working on a linux machine 64 bit (ubuntu 12.04).
I've built ffmpeg libraries from ffmpeg 2.0.1 sources with this
configuration:
--prefix="$HOME/ffmpeg_build" --extra-cflags="-m64
-I$HOME/ffmpeg_build/include" --extra-ldflags="-L$HOME/ffmpeg_build/lib"
--bindir="$HOME/bin" --extra-libs="-ldl" --enable-gpl --enable-libmp3lame
--enable-libx264 --enable-pic
When I link the avlibs in mine, with this command:
gcc -m64 -o mylib.so -L../ffmpeg_build/lib
/home/uts/ffmpeg_build/lib/libavcodec.a -Wl,-R. -shared -s -fPIC
I always get this error:
/usr/bin/ld: /home/uts/ffmpeg_build/lib/libavcodec.a(deinterlace.o):
relocation R_X86_64_PC32 against symbol `ff_pw_4' can not be used when making a
shared object; recompile with -fPIC
/usr/bin/ld: final link failed: Bad value
The same procedure on a x86 linux platform succeded.
This is the same problem experienced from Dayana in this mailing list
the 1st may 2013, I read the answers but they were not helpful
Can you help me please?
thank you
Il 28/10/2013 12:37, Carl Eugen Hoyos ha scritto:
Zanelli Franco <fzanelli@...> <mailto:fzanelli@...> writes:
> I experienced it when I was trying to include static ffmpeg
> libraries (libavcodec.a, libavformat.a ...) in my shared lib
> (mylib.so) on a 64 bit linux platform, but I don't know how to
> solve, can you help me please?
Could you explain (FFmpeg version, configure line, etc.)
how to reproduce your problem? That may allow us to help.
Carl Eugen
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