libiconv problem

My libiconv version is 1.11_4+darwin_8. When I run iconv, I got the following error: *** cookie:~ lx$ iconv dyld: Library not loaded: /usr/local/lib/libintl.3.dylib Referenced from: /opt/local/bin/iconv Reason: image not found Trace/BPT trap *** Best Regards, Xin Liu