Dear fridends, i copy a FS source code (*FreeSWITCH Version 1.0.head (git-492bc6b 2011-07-23 12-53-04 -0400*) from a 32bit PC to a 64bit PC, on 32bit PC it compiles well, but on 64bit PC, there were below errors when compiling, could anyone help advise? Thanks. making all mod_hash /usr/bin/ld: skipping incompatible ./libesl.a when searching for -lesl /usr/bin/ld: cannot find -lesl collect2: ld returned 1 exit status make[5]: *** [fs_cli] Error 1 make[4]: *** [/usr/local/src/freeswitch/libs/esl/libesl.so] Error 2 make[3]: *** [mod_hash-all] Error 1 make[2]: *** [all-recursive] Error 1 make[1]: *** [all-recursive] Error 1 make: *** [all] Error 2 [root@freeswitch freeswitch]# -- Regards, Charles