dnl -------------------------------------------------------- -*- autoconf -*-
dnl Licensed to the Apache Software Foundation (ASF) under one or more
dnl contributor license agreements.  See the NOTICE file distributed with
dnl this work for additional information regarding copyright ownership.
dnl The ASF licenses this file to You under the Apache License, Version 2.0
dnl (the "License"); you may not use this file except in compliance with
dnl the License.  You may obtain a copy of the License at
dnl
dnl     http://www.apache.org/licenses/LICENSE-2.0
dnl
dnl Unless required by applicable law or agreed to in writing, software
dnl distributed under the License is distributed on an "AS IS" BASIS,
dnl WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
dnl See the License for the specific language governing permissions and
dnl limitations under the License.

dnl ActiveMQ-CPP Common Autoconf Macros.

dnl
dnl AC_ADDTO_VARIABLE(variable, value)
dnl
dnl  Add value to variable
dnl
AC_DEFUN([AC_ADDTO_VARIABLE], [
  if test "x$$1" = "x"; then
    test "x$silent" != "xyes" && echo "  setting $1 to \"$2\""
    $1="$2"
  else
    apr_addto_bugger="$2"
    for i in $apr_addto_bugger; do
      apr_addto_duplicate="0"
      for j in $$1; do
        if test "x$i" = "x$j"; then
          apr_addto_duplicate="1"
          break
        fi
      done
      if test $apr_addto_duplicate = "0"; then
        test "x$silent" != "xyes" && echo "  adding \"$i\" to $1"
        $1="$$1 $i"
      fi
    done
  fi
])dnl

dnl
dnl AC_REMOVEFROM_VARIABLE(variable, value)
dnl
dnl Remove a value from a variable
dnl
AC_DEFUN([AC_REMOVEFROM_VARIABLE], [
  if test "x$$1" = "x$2"; then
    test "x$silent" != "xyes" && echo "  nulling $1"
    $1=""
  else
    apr_new_bugger=""
    apr_removed=0
    for i in $$1; do
      if test "x$i" != "x$2"; then
        apr_new_bugger="$apr_new_bugger $i"
      else
        apr_removed=1
      fi
    done
    if test $apr_removed = "1"; then
      test "x$silent" != "xyes" && echo "  removed \"$2\" from $1"
      $1=$apr_new_bugger
    fi
  fi
]) dnl