Hello, I have tried to install last ginac (27.2.2010) on a intel mac os 10.6.2. Here is the last output from make( have generated last cln under gmp): . . . Making all in check make[1]: Nothing to be done for `all'. Making all in ginsh sed -n -f ./ginsh_fcn_help.sed <ginsh.1 >ginsh_fcn_help.h sed -n -f ./ginsh_op_help.sed <ginsh.1 >ginsh_op_help.h g++ -DHAVE_CONFIG_H -I. -I../config -I../ginac -I./../ginac -I../ginac -DIN_GINAC -I/usr/local/include -g -O2 -MT ginsh_parser.o -MD -MP -MF .deps/ginsh_parser.Tpo -c -o ginsh_parser.o ginsh_parser.cc ginsh_parser.cc: In function ‘int yyparse()’: ginsh_parser.cc:2169: warning: deprecated conversion from string constant to ‘char*’ ginsh_parser.cc:2284: warning: deprecated conversion from string constant to ‘char*’ mv -f .deps/ginsh_parser.Tpo .deps/ginsh_parser.Po g++ -DHAVE_CONFIG_H -I. -I../config -I../ginac -I./../ginac -I../ginac -DIN_GINAC -I/usr/local/include -g -O2 -MT ginsh_lexer.o -MD -MP -MF .deps/ginsh_lexer.Tpo -c -o ginsh_lexer.o ginsh_lexer.cc mv -f .deps/ginsh_lexer.Tpo .deps/ginsh_lexer.Po /bin/sh ../libtool --tag=CXX --mode=link g++ -g -O2 -o ginsh ginsh_parser.o ginsh_lexer.o ../ginac/libginac.la -L/usr/local/lib libtool: link: g++ -g -O2 -o .libs/ginsh ginsh_parser.o ginsh_lexer.o -Wl,-bind_at_load ../ginac/.libs/libginac.dylib -L/usr/local/lib -ldl Undefined symbols: "cln::cl_free_heap_object(cln::cl_heap*)", referenced from: f_integer_content(GiNaC::container<std::vector> const&)in ginsh_parser.o f_integer_content(GiNaC::container<std::vector> const&)in ginsh_parser.o f_fsolve(GiNaC::container<std::vector> const&)in ginsh_parser.o f_fsolve(GiNaC::container<std::vector> const&)in ginsh_parser.o yylex() in ginsh_lexer.o yylex() in ginsh_lexer.0 Regards, gre