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* src/bison.simple (union yyalloc, YYSTACK_GAP_MAX, YYSTACK_BYTES, YYSTACK_RELOCATE): Do not define if yyoverflow is defined, or if this is a C++ parser and YYSTYPE or YYLTYPE has nontrivial constructors or destructors. (yymemcpy) [! defined YYSTACK_RELOCATE]: Do not define; not needed. (yyparse) [! defined YYSTACK_RELOCATE]: Do not relocate the stack. * src/reader.c (parse_union_decl): Define YYSTYPE_IS_TRIVIAL if we use our YYSTYPE. It must be trivial, or our own union wouldn't be valid C++ anyway. (readgram): Define YYSTYPE_IS_TRIVIAL if it is int. (reader_output_yylsp): Define YYLTYPE_IS_TRIVIAL if we use our YYLTYPE.
This directory contains the Bison parser generator. See the file INSTALL for compilation and installation instructions. See the file doc/FAQ for frequently asked questions. It was once true that, when installing Bison on Sequent (or Pyramid?) systems, you had to be in the Berkeley universe. This may no longer be true; we have no way to tell. On VMS, you will probably have to create Makefile from Makefile.in by hand. Remember to do `SET COMMAND BISON' to install the data in `BISON.CLD'. VMS and MS-DOS builds are probably broken right now. If you are able to build Bison on either platform and you need to make changes to do so, please submit those changes as a bug report. Send bug reports to bug-bison@gnu.org. Please include the version number from `bison --version', and a complete, self-contained test case in each bug report. If you have questions about using Bison which the documentation does not answer, send mail to help-bison@gnu.org.