src/parse/parser.cc:47:9: warning: macro is not used [-Wunused-macros]
#define YYBISON 1
        ^
src/parse/parser.cc:50:9: warning: macro is not used [-Wunused-macros]
#define YYBISON_VERSION "2.3"
        ^
src/parse/parser.cc:53:9: warning: macro is not used [-Wunused-macros]
#define YYSKELETON_NAME "yacc.c"
        ^
src/parse/parser.cc:56:9: warning: macro is not used [-Wunused-macros]
#define YYPURE 0
        ^
src/parse/parser.cc:59:9: warning: macro is not used [-Wunused-macros]
#define YYLSP_NEEDED 0
        ^
src/parse/parser.cc:65:10: warning: macro is not used [-Wunused-macros]
# define YYTOKENTYPE
         ^
src/parse/parser.cc:85:9: warning: macro is not used [-Wunused-macros]
#define TOKEN_CJUMP 258
        ^
src/parse/parser.cc:86:9: warning: macro is not used [-Wunused-macros]
#define TOKEN_CNEXT 259
        ^
src/parse/parser.cc:87:9: warning: macro is not used [-Wunused-macros]
#define TOKEN_CLIST 260
        ^
src/parse/parser.cc:88:9: warning: macro is not used [-Wunused-macros]
#define TOKEN_CSETUP 261
        ^
src/parse/parser.cc:89:9: warning: macro is not used [-Wunused-macros]
#define TOKEN_CZERO 262
        ^
src/parse/parser.cc:90:9: warning: macro is not used [-Wunused-macros]
#define TOKEN_CLOSESIZE 263
        ^
src/parse/parser.cc:91:9: warning: macro is not used [-Wunused-macros]
#define TOKEN_CODE 264
        ^
src/parse/parser.cc:92:9: warning: macro is not used [-Wunused-macros]
#define TOKEN_CONF 265
        ^
src/parse/parser.cc:93:9: warning: macro is not used [-Wunused-macros]
#define TOKEN_ID 266
        ^
src/parse/parser.cc:94:9: warning: macro is not used [-Wunused-macros]
#define TOKEN_FID 267
        ^
src/parse/parser.cc:95:9: warning: macro is not used [-Wunused-macros]
#define TOKEN_FID_END 268
        ^
src/parse/parser.cc:96:9: warning: macro is not used [-Wunused-macros]
#define TOKEN_LINE_INFO 269
        ^
src/parse/parser.cc:97:9: warning: macro is not used [-Wunused-macros]
#define TOKEN_REGEXP 270
        ^
../src/parse/lex.re:417:9: warning: code will never be executed [-Wunreachable-code]
        goto scan;
        ^~~~~~~~~
19 warnings generated.
1 warning generated.
source_subfolder/src/options/opt.cc:268:21: warning: declaration requires an exit-time destructor [-Wexit-time-destructors]
const mutopt_t Opt::baseopt;
                    ^
1 warning generated.
source_subfolder/src/dfa/dead_rules.cc:210:77: warning: for loop has empty body [-Wempty-body]
    for (; sentcls < nsym && sentsym >= dfa.charset[sentcls + 1]; ++sentcls);
                                                                            ^
source_subfolder/src/dfa/dead_rules.cc:210:77: note: put the semicolon on a separate line to silence this warning
1 warning generated.
source_subfolder/src/encoding/range_suffix.cc:10:39: warning: declaration requires an exit-time destructor [-Wexit-time-destructors]
free_list<RangeSuffix *> RangeSuffix::freeList;
                                      ^
1 warning generated.
source_subfolder/src/regexp/rule.cc:8:24: warning: declaration requires an exit-time destructor [-Wexit-time-destructors]
free_list<Code*> Code::flist;
                       ^
1 warning generated.
source_subfolder/src/parse/ast.cc:9:22: warning: declaration requires an exit-time destructor [-Wexit-time-destructors]
free_list<AST*> AST::flist;
                     ^
1 warning generated.
CMake Warning:
  Manually-specified variables were not used by the project:

    CMAKE_EXPORT_NO_PACKAGE_REGISTRY