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https://github.com/openvswitch/ovs
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0877a0187b
Reduces the dependency on autoconf from 2.64 to 2.63 to ease building on older platforms. There is only a few macros missing and they can be provided easily. A handful of tests needed modification. The difference in quoting behaviour between 2.63 and later require the m4_define() to be manually unfolded. The Debian control file is left untouched on purpose. The decision whether to adjust the dependency is left to the respective maintainers. Tested with autoconf 2.63 and 2.69. Cc: Scott Mann <smann@noironetworks.com> Cc: Don Kehn <dkehn@noironetworks.com> Signed-off-by: Thomas Graf <tgraf@noironetworks.com> Signed-off-by: Ben Pfaff <blp@nicira.com>
33 lines
1.1 KiB
Plaintext
33 lines
1.1 KiB
Plaintext
# -*- autoconf -*-
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at:
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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m4_ifndef([AT_CHECK_UNQUOTED],
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[m4_define([AT_CHECK_UNQUOTED],
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[_AT_CHECK([$1], [$2], AS_ESCAPE(m4_dquote(m4_expand([$3])), [""]),
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AS_ESCAPE(m4_dquote(m4_expand([$4])),[""]), [$5], [$6])])])
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m4_ifndef([AT_SKIP_IF],
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[m4_define([AT_SKIP_IF],
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[AT_CHECK([($1) \
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&& exit 77 || exit 0], [0], [ignore], [ignore])])])
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m4_ifndef([AT_FAIL_IF],
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[m4_define([AT_FAIL_IF],
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[AT_CHECK([($1) \
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&& exit 99 || exit 0], [0], [ignore], [ignore])])])
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m4_ifndef([AS_VAR_COPY],
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[m4_define([AS_VAR_COPY],
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[AS_LITERAL_IF([$1[]$2], [$1=$$2], [eval $1=\$$2])])])
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