8e022d3cde
Note that this enables the backtracking extension, which we had previously left disabled. PR: 244149, 269425 Sponsored by: Klara, Inc. Differential Revision: https://reviews.freebsd.org/D38421
70 lines
1.6 KiB
Plaintext
70 lines
1.6 KiB
Plaintext
dnl Process this file with 'autoconf' to produce a 'configure' script
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dnl $Id: configure.in,v 1.28 2023/02/02 00:14:51 tom Exp $
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AC_PREREQ(2.52.20200802)
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AC_REVISION($Revision: 1.28 $)
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AC_INIT(main.c)
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AC_CONFIG_HEADER(config.h:config_h.in)
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CF_CHECK_CACHE([AC_CANONICAL_SYSTEM])
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AC_ARG_PROGRAM
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CF_PROG_CC
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AC_PROG_MAKE_SET
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AC_PROG_INSTALL
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CF_MAKE_TAGS
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CF_PROG_AWK
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CF_PROG_LINT
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CF_WITHOUT_X
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CF_XOPEN_SOURCE
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AC_CHECK_DECL(exit)
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AC_CHECK_HEADERS(fcntl.h)
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CF_MKSTEMP
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CF_GETOPT_HEADER
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AC_HAVE_FUNCS(getopt vsnprintf)
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AC_MSG_CHECKING(for maximum table size)
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AC_ARG_WITH([max-table-size],
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[AC_HELP_STRING([--with-max-table-size=N],
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[set the maximum table size = N (no default)])])
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if test -n "$with_max_table_size"
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then
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AC_MSG_RESULT($with_max_table_size)
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check=`expr "$with_max_table_size" + 0`
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if test "x$check" != "x$with_max_table_size"
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then
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AC_MSG_ERROR([invalid value for --with-max-table-size: $with_max_table_size])
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fi
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AC_DEFINE_UNQUOTED(MAXTABLE,$with_max_table_size,[Define to maximum table size (default: 32500)])
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else
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AC_MSG_RESULT(default)
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fi
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AC_MSG_CHECKING(if backtracking extension is wanted)
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CF_ARG_DISABLE([btyacc],
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[AC_HELP_STRING([--disable-btyacc],
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[disable support for the btyacc backtracking extension (default: enabled)])],
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[enable_btyacc=no],
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[enable_btyacc=yes])
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AC_MSG_RESULT($enable_btyacc)
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if test "$enable_btyacc" = "no"; then
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SKELETON=yaccpar
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else
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AC_DEFINE(YYBTYACC,1,[Define to 1 to enable backtracking extension])
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SKELETON=btyaccpar
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fi
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AC_SUBST(SKELETON)
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CF_ENABLE_WARNINGS(Wwrite-strings,yes)
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CF_DISABLE_ECHO
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CF_DISABLE_LEAKS
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CF_WITH_MAN2HTML
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AC_TYPE_MODE_T
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### output makefile
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AC_OUTPUT(makefile)
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CF_MAKE_DOCS(yacc,1)
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