Compiling gstreamer plugin?

[vijay]

Hi,
  I am writng mp3 decoder plugin,I have mp3decore library ("mp3lib.a" i dont
have source code for the library) i have to call those decoder funcions from
my plugin ,so i integarted those function calls in my plugin ,i can able to
compile and register ,but while

gst-inspect mp3_dec

I am getting erros as below,

(gst-plugin-scanner:19241): GStreamer-WARNING **: Failed to load plugin
/usr/local/gstreamer/lib/gstreamer-0.10/libgstmp3decoder.so':
/usr/local/gstreamer/lib/gstreamer-0.10/libgstmp3decoder.so: undefined
symbol: MP3Dec_GetInstanceSize


MP3Dec_GetInstanceSize is defined in the library(mp3lib.a)

I want to know how to link the library(mp3lib.a) with my decoder plugin.(how
to give the path of my library)

Regards,
Vijay P
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