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Posted to dev@qpid.apache.org by "Jiri Daněk (Jira)" <ji...@apache.org> on 2022/11/07 08:55:00 UTC
[jira] [Comment Edited] (QPID-8605) Compilation prints annoying deprecation message from Boost many times: declaring the Bind placeholders (_1, _2, ...) in the global namespace is deprecated
[ https://issues.apache.org/jira/browse/QPID-8605?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17622870#comment-17622870 ]
Jiri Daněk edited comment on QPID-8605 at 11/7/22 8:54 AM:
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There is autofix in clang-tidy: Prefer a lambda to boost-bind https://clang.llvm.org/extra/clang-tidy/checks/modernize/avoid-bind.html. If this is applied, it will resolve the warnings. C++11 is required for the lambdas. Or maybe C++14 for some features https://stackoverflow.com/questions/17363003/why-use-stdbind-over-lambdas-in-c14. The result is not often pretty to read.
The message just wants us to use different import and add {{using namespace boost::placeholders}} at top of file.
Or {{add_definitions(-DBOOST_BIND_GLOBAL_PLACEHOLDERS)}}, maybe add_compile_definitions, something like that.
was (Author: jdanek):
There is autofix in clang-tidy: Prefer a lambda to boost-bind https://clang.llvm.org/extra/clang-tidy/checks/modernize/avoid-bind.html. If this is applied, it will resolve the warnings. C++11 is required for the lambdas. Or maybe C++14 for some features https://stackoverflow.com/questions/17363003/why-use-stdbind-over-lambdas-in-c14. The result is not often pretty to read.
The message just wants us to add {{using namespace boost::placeholders}} at top of file.
Or {{dd_definitions(-DBOOST_BIND_GLOBAL_PLACEHOLDERS)}}
> Compilation prints annoying deprecation message from Boost many times: declaring the Bind placeholders (_1, _2, ...) in the global namespace is deprecated
> ----------------------------------------------------------------------------------------------------------------------------------------------------------
>
> Key: QPID-8605
> URL: https://issues.apache.org/jira/browse/QPID-8605
> Project: Qpid
> Issue Type: Bug
> Components: C++ Build
> Affects Versions: qpid-cpp-1.40.0
> Reporter: Jiri Daněk
> Priority: Major
>
> https://github.com/jiridanek/qpid-cpp/actions/runs/3308231051/jobs/5460459408#step:12:104
> {noformat}
> C:\vcpkg\installed\x64-windows\include\boost/bind.hpp(41): message : The practice of declaring the Bind placeholders (_1, _2, ...) in the global namespace is deprecated. Please use <boost/bind/bind.hpp> + using namespace boost::placeholders, or define BOOST_BIND_GLOBAL_PLACEHOLDERS to retain the current behavior. [D:\a\qpid-cpp\qpid-cpp\BLD\src\qpidcommon.vcxproj]
> {noformat}
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