[Libav-user] Beginner c++ compiling error

[Alex Cohn]

In your list of libs, "-l" is obviously doubled. Try to give the names to
the linker without the prefix.
On Sep 24, 2011 7:58 AM, "mounir younes" <mounir.younes at gmail.com> wrote:
> Hello, I am new to ffmpeg and I am getting compiling errors while
compiling
> c++ code with ffmpeg libraries. It seems that a lot of people are getting
> this with the new ffmpeg but I couldn't find a solution that I could
> understand.
>
> I found a link that says that this
>
> CXXFLAGS=-D__STDC_CONSTANT_MACROS ./configure
> (http://code.google.com/p/ffmpegsource/issues/detail?id=11)
>
>
> solves it but unfortunately I tried it but nothing happened and I don't
know
> what to do ! I am adding the file headers which are being automatically
> detected by netbeans so the libraries are already found. I tried adding
> these -lavdevice -lavformat -lavcodec -lavutil -lswscale -lbz2 to the
> linker as well
>
> (
>
http://libav-users.943685.n4.nabble.com/QT-and-FFmpeg-undefined-reference-to-av-free-and-more-td946811.html
> )
>
> when adding them netbeans knew them and gave them proper library icons
(thus
> it recognized that these libraries are present otherwise it would've
> replaced them with a white icon with question mark). But, when compiling I
> get this
>
> /usr/bin/ld: cannot find -l-lavdevice
> /usr/bin/ld: cannot find -l-lavformat
> /usr/bin/ld: cannot find -l-lavcodec
> /usr/bin/ld: cannot find -l-lavutil
> /usr/bin/ld: cannot find -l-lswscale
> /usr/bin/ld: cannot find -l-lbz2
>
> And this is really killing me. I have been trying to solve this for days.
>
> Thank you in advance.
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