Hi, Following the wiki: http://wiki.freeswitch.org/wiki/Event_Socket_Library On MacOSX 10.5, I can't get ESL for ruby work. make throws error: sevens-mac-pro:~/workspace/test/freeswitch/trunk/libs/esl$ make rubymod make MYLIB="../libesl.a" SOLINK="-shared -Xlinker -x" CFLAGS="-I/Users/ seven/workspace/test/freeswitch/trunk/libs/esl/src/include - DHAVE_EDITLINE -g -ggdb -I../../libs/libedit/src/ -fPIC -O2 -ffast- math -Wall -Werror -Wunused-variable -Wwrite-strings -Wstrict- prototypes -Wmissing-prototypes" CXXFLAGS="-I/Users/seven/workspace/ test/freeswitch/trunk/libs/esl/src/include -DHAVE_EDITLINE -g -ggdb - I../../libs/libedit/src/ -fPIC -Wall -Werror -Wno-unused-variable" CXX_CFLAGS="" -C ruby g++ -I/Users/seven/workspace/test/freeswitch/trunk/libs/esl/src/ include -DHAVE_EDITLINE -g -ggdb -I../../libs/libedit/src/ -fPIC -Wall -Werror -Wno-unused-variable -I/opt/local/lib/ruby/1.8/i686-darwin9 -c esl_wrap.cpp -o esl_wrap.o g++ -shared -Xlinker -x esl_wrap.o ../libesl.a -lruby -o ESL.so -L. Undefined symbols: "_main", referenced from: start in crt1.10.5.o ld: symbol(s) not found collect2: ld returned 1 exit status make[1]: *** [ESL.so] Error 1 Thanks for any help.