Comments (5)
Boost.Log is always built with hidden visibility. As far as I can tell, the warning says that Boost.Log code uses direct access to its symbols, so they won't be overridden at run time, which is the intention.
My advice would be to use hidden visibility everywhere, including your modules. Mark the symbols you need to export explicitly, with default visibility attributes or pragmas.
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Is there any particular reason I don't need to do this with a package manager-installed binary of Boost.Log? I only started seeing this when I started compiling Boost.Log myself.
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Sorry, I have no idea. I don't use Mac OS and I don't know how the packages are built there.
The first Boost.Log release which had hidden visibility enabled was 1.59, so if your system packages are older, they were likely compiled with default visibility.
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Also, you might want to ensure that you're not linking with shared library when you build against the system libraries. In that case you probably won't get the warnings.
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I was using 1.66.0 previously installed through homebrew, so I don't know why that's different given what you've said. I think I've got enough info to sort out how my project needs to build given the visibility requirements, though, and thanks 👍
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Related Issues (20)
- Redirect log records to specific sink only HOT 4
- Max file rotating under the same target directory HOT 1
- BOOST_LOG_TRIVIAL cannot find overloaded `operator<<()` when it's declared in global scope HOT 2
- using BOOST_LOG_TRIVIAL << with string greater than max_size_decor results in bufferoverlfow detected HOT 3
- An infinite loop occurs when boost writes to the log file HOT 4
- Timezone information with text file backend HOT 2
- Boost.Log rotation may throw boost::filesystem::filesystem_error HOT 10
- How to add timezone info for log entries and log filename HOT 3
- Formatting TimeStamp HOT 1
- Boost 1.82, boost\Log\trivial unresolved external symbol error if included after curl HOT 3
- Log Formatting [Conan 2.x, C++20, Boost 1.83] HOT 2
- 1.82.0 compiled for XP uses AcquireSRWLockExclusive HOT 2
- How to append log to same log file after program restarts? HOT 1
- CMake integration for Xcode universal 2 builds HOT 1
- boost日志在动态库里被使用,再次在主程序中使用会崩溃 HOT 1
- Boost stopped printing logs after changing the system time HOT 4
- Redundent call to boost_install() HOT 1
- An infinite loop occurs when boost writes to the log file (Debug Mode, Medium size file) HOT 1
- Consider switching dependency from MPL to MP11 HOT 2
- Please consider improving the documentation and examples HOT 1
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