Hi, i want to use ginac as a lib under Mac OS X 10.4..8. I compiled cln 1.1.13 without problems. But compiling ginac 1.3.6 gave me the well known ginsh_parser.yy error: if g++ -DHAVE_CONFIG_H -I. -I. -I.. -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; \ then mv -f ".deps/ginsh_parser.Tpo" ".deps/ginsh_parser.Po"; else rm - f ".deps/ginsh_parser.Tpo"; exit 1; fi ginsh_parser.yy:50:6: error: missing binary operator before token "wrapper" ginsh_parser.yy:56:6: error: missing binary operator before token "wrapper" ginsh_parser.yy:860:6: error: missing binary operator before token "wrapper" ginsh_parser.yy:870:6: error: missing binary operator before token "wrapper" ginsh_parser.yy:922:6: error: missing binary operator before token "wrapper" ginsh_parser.yy: In function 'char** fcn_completion(const char*, int, int)': ginsh_parser.yy:859: error: invalid conversion from 'const char*' to 'char*' ginsh_parser.yy:869: error: invalid conversion from 'const char*' to 'char*' make[2]: *** [ginsh_parser.o] Error 1 make[1]: *** [all-recursive] Error 1 make: *** [all] Error 2 I'm using gcc --version i686-apple-darwin8-gcc-4.0.1 (GCC) 4.0.1 (Apple Computer, Inc. build 5363) Copyright (C) 2005 Free Software Foundation, Inc. and yacc --version bison (GNU Bison) 2.3 Written by Robert Corbett and Richard Stallman. Is there another thing i have to instal? O shold i use a different version of gcc/Yacc? Thanks Jonathan