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path: root/configure.in
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dnl Process this file with 'autoconf' to produce a 'configure' script
dnl $Id: configure.in,v 1.18 2014/04/06 19:11:51 tom Exp $
AC_PREREQ(2.52.20011201)
AC_REVISION($Revision: 1.18 $)
AC_INIT(main.c)
AC_CONFIG_HEADER(config.h:config_h.in)

CF_CHECK_CACHE([AC_CANONICAL_SYSTEM])

AC_ARG_PROGRAM
CF_PROG_CC
AC_PROG_MAKE_SET
AC_PROG_INSTALL
CF_MAKE_TAGS
CF_PROG_AWK
CF_PROG_LINT

CF_XOPEN_SOURCE
AC_CHECK_HEADERS(fcntl.h)
CF_MKSTEMP

AC_MSG_CHECKING(for maximum table size)
AC_ARG_WITH([max-table-size],
  [AC_HELP_STRING([--with-max-table-size=N],
    [set the maximum table size = N (no default)])])
if test -n "$with_max_table_size"
then
	AC_MSG_RESULT($with_max_table_size)
	check=`expr "$with_max_table_size" + 0`
	if test "x$check" != "x$with_max_table_size"
	then
		AC_MSG_ERROR([invalid value for --with-max-table-size: $with_max_table_size])
	fi
	AC_DEFINE_UNQUOTED(MAXTABLE,$with_max_table_size,[Define to maximum table size (default: 32500)])
else
	AC_MSG_RESULT(default)
fi

AC_MSG_CHECKING(if backtracking extension is wanted)
AC_ARG_ENABLE([btyacc],
  [AC_HELP_STRING([--enable-btyacc],
     [turn on support for the btyacc backtracking extension (default: no)])])
AC_MSG_RESULT($enable_btyacc)
if test "$enable_btyacc" = "yes"; then
	AC_DEFINE(YYBTYACC,1,[Define to 1 to enable backtracking extension])
	SKELETON=btyaccpar
else
	SKELETON=yaccpar
fi
AC_SUBST(SKELETON)

CF_WITH_WARNINGS(Wwrite-strings)
CF_DISABLE_ECHO
CF_DISABLE_LEAKS

###	output makefile
AC_OUTPUT(makefile)
CF_MAKE_DOCS(yacc,1)