compat.at

# -*- autoconf -*-

# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at:
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

m4_ifndef([AT_CHECK_UNQUOTED],
  [m4_define([AT_CHECK_UNQUOTED],
  [_AT_CHECK([$1], [$2], AS_ESCAPE(m4_dquote(m4_expand([$3])), [""]),
    AS_ESCAPE(m4_dquote(m4_expand([$4])),[""]), [$5], [$6])])])

m4_ifndef([AT_SKIP_IF],
  [m4_define([AT_SKIP_IF],
    [AT_CHECK([($1) \
    && exit 77 || exit 0], [0], [ignore], [ignore])])])

m4_ifndef([AT_FAIL_IF],
  [m4_define([AT_FAIL_IF],
    [AT_CHECK([($1) \
    && exit 99 || exit 0], [0], [ignore], [ignore])])])

m4_ifndef([AS_VAR_COPY],
  [m4_define([AS_VAR_COPY],
    [AS_LITERAL_IF([$1[]$2], [$1=$$2], [eval $1=\$$2])])])