On Mon, 2010-04-12 at 13:08 -0600, Robert Conner wrote:
> I cannot for the life of me get libavcodec to fully link to a small
> program I'm trying to write.
>
> Here is a super simple hello world type program
>
> """
> #include <libavcodec/avcodec.h>
>
> int main(int argc, char **argv) {
>
> AVCodec *codec;
> avcodec_init();
>
> }
> """
>
>
> And I compile this like this. And no matter what I do I get this
> "undefined reference to `avcodec_init()'" error. I cannot get rid of
> it. I've tried installing libavcodec with apt-get, I've tried
> compiling it and building it myself and linking to it. I've tried
> several versions of libavcodec, I've tried it with libavformat. No
> matter what I do, I always get this same error. What am I doing wrong?
> (I'm on Ubuntu). Thank you so much for any help!! This is driving me
> nuts, I've been on it for days trying everything I could think of or
> find on the internet.
>
> """
> > g++ -I./ffmpeg -c -o example.o example.cpp
> > g++ -L./ffmpeg/libavcodec -L./ffmpeg/libavutil -Wl,-E -o example
> example.o -lavcodec -lavutil
> example.o: In function `main':
> example.cpp:(.text+0x7): undefined reference to `avcodec_init()'
> collect2: ld returned 1 exit status
> """
where's the library flags ?
g++ -o example example.cpp -lavcodec -lavutil -L./ffmpeg
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