Commit 93fa58e00dba302257ec55178f88924aefbddab7 ("media: send MS-RTP video source request") adds gstreamer-rtp-x.x to the pkg-config requirements only for Pidgin 3.
Thus, when I build for Pidgin 2 I get:
plugin loaded error: .libs/libsipe.so: undefined symbol: gst_rtcp_buffer_add_packet
Commit 93fa58e00dba302257ec55178f88924aefbddab7 ("media: send MS-RTP video source request") adds gstreamer-rtp-x.x to the pkg-config requirements only for Pidgin 3.
Thus, when I build for Pidgin 2 I get: plugin loaded error: .libs/libsipe.so: undefined symbol: gst_rtcp_buffer_add_packet