I am installing ffmpeg utility, but I am facing libmp3lame >= 3.98.3 not found not found error. I am able to find lame-3.99.5-1.el6.rf.x86_64.rpm an
I just experienced this problem. I had lame v3.99.5 installed, but ffmpeg configure was giving ERROR: libmp3lame >= 3.98.3 not found.
In addition to --extra-ldflags, I had to specify --extra-cflags. So, the configure line was:
./configure [...] --enable-libmp3lame [...] --extra-ldflags=-L/usr/local/lib --extra-cflags=-I/usr/local/include