When attempting to build the source code, make fails with an incompatible readline library.
I have libreadline.so.5.2 installed on a Centos 5.5 Rocks cluster.
/usr/bin/ld: skipping incompatible /usr/lib/libreadline.so when searching for -lreadline
/usr/bin/ld: skipping incompatible /usr/lib/libreadline.a when searching for -lreadline
/usr/bin/ld: cannot find -lreadline
collect2: ld returned 1 exit status
make: *** [mothur] Error 1
Bob