BewareMyPower opened a new pull request #10307:
URL: https://github.com/apache/pulsar/pull/10307
### Motivation
CentOS 7 is a wide-used Linux system though its softwares of yum source are
usually very old. The default Boost version is 1.53 on CentOS 7. However,
currently C++ client cannot be built with Boost 1.53 or lower versions.
First, the `boost::asio::ssl::context` was constructed with a
`std::shared_ptr<io_service>` as its first argument when the Boost version is <
1.54. However, it accepts a `io_service&` argument. This code error was not
exposed because we use higher version Boost when cpp tests were performed.
Second, for Boost < 1.55, there's no `boost/predef.h` header. The header is
used for detecting the byte order of OS and the architecture of CPU.
### Modifications
- Fix the wrong construction of `boost::asio::ssl::context` for Boost < 1.54
- Use conditional macro to exclude the `boost/predef.h` and use
`boost/detail/endian.hpp` to check byte order. As for the architecture, just
use the common case.
- Add a docker build to CI, which builds a docker image with dependencies
based on CentOS 7 and build C++ client after it.
### Verifying this change
- [ ] Make sure that the change passes the CI checks.
This change added tests and can be verified as follows:
- Add a CI to build C++ client on CentOS and dependencies from its default
source.
### Does this pull request potentially affect one of the following parts:
*If `yes` was chosen, please highlight the changes*
- Dependencies (does it add or upgrade a dependency): (yes / no)
- The public API: (yes / no)
- The schema: (yes / no / don't know)
- The default values of configurations: (yes / no)
- The wire protocol: (yes / no)
- The rest endpoints: (yes / no)
- The admin cli options: (yes / no)
- Anything that affects deployment: (yes / no / don't know)
### Documentation
- Does this pull request introduce a new feature? (yes / no)
- If yes, how is the feature documented? (not applicable / docs / JavaDocs
/ not documented)
- If a feature is not applicable for documentation, explain why?
- If a feature is not documented yet in this PR, please create a followup
issue for adding the documentation
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