1dnl Process this file with 'autoconf' to produce a 'configure' script 2dnl $Id: configure.in,v 1.28 2023/02/02 00:14:51 tom Exp $ 3AC_PREREQ(2.52.20200802) 4AC_REVISION($Revision: 1.28 $) 5AC_INIT(main.c) 6AC_CONFIG_HEADER(config.h:config_h.in) 7 8CF_CHECK_CACHE([AC_CANONICAL_SYSTEM]) 9 10AC_ARG_PROGRAM 11CF_PROG_CC 12AC_PROG_MAKE_SET 13AC_PROG_INSTALL 14CF_MAKE_TAGS 15CF_PROG_AWK 16CF_PROG_LINT 17 18CF_WITHOUT_X 19 20CF_XOPEN_SOURCE 21AC_CHECK_DECL(exit) 22 23AC_CHECK_HEADERS(fcntl.h) 24CF_MKSTEMP 25CF_GETOPT_HEADER 26AC_HAVE_FUNCS(getopt vsnprintf) 27 28AC_MSG_CHECKING(for maximum table size) 29AC_ARG_WITH([max-table-size], 30 [AC_HELP_STRING([--with-max-table-size=N], 31 [set the maximum table size = N (no default)])]) 32if test -n "$with_max_table_size" 33then 34 AC_MSG_RESULT($with_max_table_size) 35 check=`expr "$with_max_table_size" + 0` 36 if test "x$check" != "x$with_max_table_size" 37 then 38 AC_MSG_ERROR([invalid value for --with-max-table-size: $with_max_table_size]) 39 fi 40 AC_DEFINE_UNQUOTED(MAXTABLE,$with_max_table_size,[Define to maximum table size (default: 32500)]) 41else 42 AC_MSG_RESULT(default) 43fi 44 45AC_MSG_CHECKING(if backtracking extension is wanted) 46CF_ARG_DISABLE([btyacc], 47 [AC_HELP_STRING([--disable-btyacc], 48 [disable support for the btyacc backtracking extension (default: enabled)])], 49 [enable_btyacc=no], 50 [enable_btyacc=yes]) 51AC_MSG_RESULT($enable_btyacc) 52if test "$enable_btyacc" = "no"; then 53 SKELETON=yaccpar 54else 55 AC_DEFINE(YYBTYACC,1,[Define to 1 to enable backtracking extension]) 56 SKELETON=btyaccpar 57fi 58AC_SUBST(SKELETON) 59 60CF_ENABLE_WARNINGS(Wwrite-strings,yes) 61CF_DISABLE_ECHO 62CF_DISABLE_LEAKS 63CF_WITH_MAN2HTML 64 65AC_TYPE_MODE_T 66 67### output makefile 68AC_OUTPUT(makefile) 69CF_MAKE_DOCS(yacc,1) 70