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# -*- autoconf -*-
# Copyright (c) 2008 Nicira Networks.
#
# Permission to use, copy, modify, and/or distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notice and this permission notice appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
dnl NX_BUILDNR
dnl
dnl If --with-build-number=NUMBER is used, substitutes a Makefile
dnl variable BUILDNR with NUMBER, and sets a C preprocessor variable
dnl BUILDNR to "+buildNUMBER".
dnl
dnl Otherwise, if --with-build-number is not used, substitutes BUILDNR
dnl with 0 and sets C preprocessor variable BUILDNR to "".
AC_DEFUN([NX_BUILDNR],
[AC_ARG_WITH(
[build-number],
[AS_HELP_STRING([--with-build-number=NUMBER],
[Official build number (default is none)])])
AC_MSG_CHECKING([build number])
case $with_build_number in # (
[[0-9]] | \
[[0-9]][[0-9]] | \
[[0-9]][[0-9]][[0-9]] | \
[[0-9]][[0-9]][[0-9]][[0-9]] | \
[[0-9]][[0-9]][[0-9]][[0-9]][[0-9]])
BUILDNR=$with_build_number
buildnr='"+build'$BUILDNR'"'
AC_MSG_RESULT([$with_build_number])
;; # (
''|no)
BUILDNR=0
buildnr='""'
AC_MSG_RESULT([none])
;; # (
*)
AC_MSG_ERROR([invalid build number $with_build_number])
;;
esac
AC_SUBST([BUILDNR])
AC_DEFINE_UNQUOTED([BUILDNR], [$buildnr],
[Official build number as a VERSION suffix string, e.g. "+build123",
or "" if this is not an official build.])])
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