On Solaris OpenIndiana/x86_64, with - GNU m4 version 2022-12-24 - 'awk --version' => awk version Aug 27, 2018 - no bison, but yacc "make check" gives 4 test failures.
Failed tests:
GNU Autoconf 2.72d test suite test groups:
NUM: FILE-NAME:LINE TEST-GROUP-NAME
KEYWORDS
260: torture.at:189 AC_CONFIG_FILES, HEADERS, LINKS and COMMANDS
445: semantics.at:1255 AC_PROG_LEX with noyywrap
446: semantics.at:1257 AC_PROG_LEX with yywrap
510: acprograms.at:22 AC_DECL_YYTEXT
testsuite.log.gz
Description: application/gzip
