link-grammar 5.8.0 make after make cleain - some errors near the end

gistfile1.txt

jackpark@Jacks-MacBook-Pro build % make
Making all in link-grammar
Making all in minisat
  CXX      minisat/core/libminisat_la-Solver.lo
  CXX      minisat/utils/libminisat_la-Options.lo
  CXX      minisat/utils/libminisat_la-System.lo
  CXXLD    libminisat.la
Making all in sat-solver
  CXX      fast-sprintf.lo
  CXX      sat-encoder.lo
  CXX      util.lo
  CXX      variables.lo
  CXX      word-tag.lo
  CXXLD    libsat-solver.la
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ranlib: file: .libs/libsat-solver.a(variables.o) has no symbols
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ranlib: file: .libs/libsat-solver.a(variables.o) has no symbols
  CC       api.lo
  CC       connectors.lo
  CC       dict-common/dialect.lo
  CC       dict-common/dict-common.lo
  CC       dict-common/dict-impl.lo
  CC       dict-common/dict-utils.lo
  CC       dict-common/file-utils.lo
  CC       dict-common/idiom.lo
  CC       dict-common/print-dict.lo
  CC       dict-common/regex-morph.lo
  CC       dict-file/read-dialect.lo
  CC       dict-file/dictionary.lo
  CC       dict-file/read-dict.lo
  CC       dict-file/read-regex.lo
  CC       dict-file/word-file.lo
  CC       dict-sql/read-sql.lo
  CC       disjunct-utils.lo
  CC       error.lo
  CC       linkage/analyze-linkage.lo
  CC       linkage/freeli.lo
  CC       linkage/linkage.lo
  CC       linkage/lisjuncts.lo
  CC       linkage/sane.lo
  CC       linkage/score.lo
  CC       memory-pool.lo
  CC       parse/count.lo
  CC       parse/extract-links.lo
  CC       parse/fast-match.lo
  CC       parse/histogram.lo
  CC       parse/parse.lo
  CC       parse/preparation.lo
  CC       parse/prune.lo
  CC       post-process/constituents.lo
  CC       post-process/post-process.lo
  CC       post-process/pp_knowledge.lo
  CC       post-process/pp_lexer.lo
post-process/pp_lexer.c:1700:5: warning: no previous prototype for function
      'yyget_column' [-Wmissing-prototypes]
int yyget_column  (yyscan_t yyscanner)
    ^
post-process/pp_lexer.c:1700:1: note: declare 'static' if the function is not
      intended to be used outside of this translation unit
int yyget_column  (yyscan_t yyscanner)
^
static 
post-process/pp_lexer.c:1776:6: warning: no previous prototype for function
      'yyset_column' [-Wmissing-prototypes]
void yyset_column (int  column_no , yyscan_t yyscanner)
     ^
post-process/pp_lexer.c:1776:1: note: declare 'static' if the function is not
      intended to be used outside of this translation unit
void yyset_column (int  column_no , yyscan_t yyscanner)
^
static 
post-process/pp_lexer.c:1170:17: warning: unused function 'yyunput'
      [-Wunused-function]
    static void yyunput (int c, register char * yy_bp , yyscan_t yyscanner)
                ^
3 warnings generated.
  CC       post-process/pp_linkset.lo
  CC       prepare/build-disjuncts.lo
  CC       prepare/exprune.lo
  CC       print/print.lo
  CC       print/print-util.lo
  CC       print/wcwidth.lo
  CC       resources.lo
  CC       string-set.lo
  CC       string-id.lo
  CC       tokenize/anysplit.lo
  CC       tokenize/spellcheck-aspell.lo
  CC       tokenize/spellcheck-hun.lo
  CC       tokenize/tokenize.lo
  CC       tokenize/wg-display.lo
  CC       tokenize/wordgraph.lo
  CC       tracon-set.lo
  CC       utilities.lo
  CXXLD    liblink-grammar.la
Undefined symbols for architecture x86_64:
  "_regex_tokenizer_test", referenced from:
     -exported_symbol[s_list] command line option
ld: symbol(s) not found for architecture x86_64
clang: error: linker command failed with exit code 1 (use -v to see invocation)
make[2]: *** [liblink-grammar.la] Error 1
make[1]: *** [all-recursive] Error 1
make: *** [all-recursive] Error 1
jackpark@Jacks-MacBook-Pro build %