Dlna error, can't findlibavformat! Solution

The dlna library version is libdlna-0.2.4

An error occurred while executing./configure:

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Error, can't findlibavformat!

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View the config. log file:

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...

/Usr/local/lib/libavformat. A (RTP. O): In function 'ff _ rtp_get_payload_type ':

/Home/won/downloads/FFMPEG/libavformat/RTP. C: 99: Undefined reference to 'av _ opt_get_int'

/Home/won/downloads/FFMPEG/libavformat/RTP. C: 109: Undefined reference to 'av _ opt_flag_is_set'

/Usr/local/lib/libavformat. A (RTP. O): In function 'ff _ rtp_codec_id ':

/Home/won/downloads/FFMPEG/libavformat/RTP. C: 148: Undefined reference to 'av _ strcasecmp'

Collect2: ldreturned 1 exit status

Error, can't findlibavformat!

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Run the PKG-config command to check the link of the shared library used by the avformat library cflags:

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$ PKG-config libavformat -- libs

-Pthread-L/usr/local/lib-lavformat-lavcodec-lswresample-lavutil-LRT-LM

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I am also new to the PKG-config command. For the usage of its principles, seeUsage of PKG-config

Modify configure (add these libraries in red ):

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...

Echolog "checking for libavformat ..."

Check_liblibavformat/avformat. h av_register_all-lavformat-pthread-lavformat-lavcodec-lswresample-lavutil-LRT-LM | die "error, can't find libavformat! "

Echolog "checking for libavcodec ..."

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Then execute./configure to solve the problem.

 

Error message for executing make:

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GCC test-libdlna.c-W-wall-wno-unused-but-set-variable-D_LARGEFILE_SOURCE-D_FILE_OFFSET_BITS = 64-d_reentrant-O3-isrc-lsrc-ldlna-lavformat-pthread-lavcodec-lswresample-lavutil-LRT -lm-O test-libdlna

Src/libdlna. So: Undefined reference to 'av _ close_input_file'

Src/libdlna. So: Undefined reference to 'av _ find_stream_info'

Collect2: ldreturned 1 exit status

Make: *** [test-libdlna] Error 1

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Solution: Undefined reference to 'av _ close_input_file 'Cause Analysis

Dlna error, can't findlibavformat! Solution