1ln AC_PROG_LN_S 2awk AC_PROG_AWK 3nawk AC_PROG_AWK 4gawk AC_PROG_AWK 5mawk AC_PROG_AWK 6cc AC_PROG_CC 7gcc AC_PROG_CC 8cpp AC_PROG_CPP 9CC AC_PROG_CXX 10g++ AC_PROG_CXX 11install AC_PROG_INSTALL 12lex AC_PROG_LEX 13flex AC_PROG_LEX 14ranlib AC_PROG_RANLIB 15yacc AC_PROG_YACC 16byacc AC_PROG_YACC 17bison AC_PROG_YACC 18make AC_PROG_MAKE_SET 19