xHarbour Required tools for OS/2
A supported C compiler, linker, librarian and make are required since xHarbour uses C as intermediate language. The supported compilers/tools are:
InnoTek maintains an OS/2 port of the GCC C/C++ compiler licensed under the GNU Public License (GPL). It can be downloaded and used free of charge. All OS/2 specific changes and enhancements performed by InnoTek are released under the GPL as well. InnoTek GCC for OS/2 can be downloaded at no charge.
Bison is a parser generator used by xHarbour developers that converts a grammar description for an LALR(1) context-free grammar into a C program to parse that grammar.