[ubun]Erreur de compil

configure:22924: checking ffmpeg/avformat.h presence
configure:22934: gcc -E  conftest.c
configure:22940: $? = 0
configure:22960: result: yes
configure:22995: checking for ffmpeg/avformat.h
configure:23002: result: yes
configure:23052: gcc -o conftest -g -O2   conftest.c -lavformat -lavcodec  >&5
conftest.c: In function 'main':
conftest.c:14: warning: incompatible implicit declaration of built-in function 'exit'
conftest.c:16: error: 'FFMPEG_VERSION_INT' undeclared (first use in this function)
conftest.c:16: error: (Each undeclared identifier is reported only once
conftest.c:16: error: for each function it appears in.)
conftest.c:22: warning: incompatible implicit declaration of built-in function 'exit'
conftest.c:24: warning: incompatible implicit declaration of built-in function 'exit'
configure:23055: $? = 1
configure: program exited with status 1
configure: failed program was:
|
|     #include <stdio.h>
|     #include <ffmpeg/avcodec.h>
|     #include <ffmpeg/avformat.h>
|
|     int main(void)
|     {
|         if(avcodec_version() != LIBAVCODEC_VERSION_INT)
|         {
|         fprintf(stderr,"(FFMpeg) AVcodec header and library mismatch detected\n");
|         fprintf(stdout,"*******************************************************\n");
|         fprintf(stdout,"*(FFMpeg) AVcodec header and library mismatch detected*\n");
|         fprintf(stdout,"*******************************************************\n");
|         exit(-1);
|         }
|         if( FFMPEG_VERSION_INT != 0x000409)
|         {
|         fprintf(stderr,"(FFMpeg) AVcodec different version\n");
|         fprintf(stdout,"*************************************************\n");
|         fprintf(stdout,"*(FFMpeg) AVcodec different version %4X != %4X*\n", FFMPEG_VERSION_INT, 0x000409);
|         fprintf(stdout,"*************************************************\n");
|         exit(-1);
|         }
|         exit(0);
|     }
|
|
configure:23070: There is a problem with FFMpeg, if you know what you are doing, continue
configure:23200: creating ./config.status