真正解决办法：编译freeswitch错误，You must install libavformat-dev to build mod_av
errorakefile:1442: *** You must install libavformat-dev to build mod_av。 停止。1:./configure --prefix=/usr/local --enable-shared --enable-libx264--enable-gpl --extra-cflags=-I/usr/include --extra-ldflags=-L/usr/lib642:./bootstrap.sh -j...
