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Posted to commits@mxnet.apache.org by GitBox <gi...@apache.org> on 2020/09/18 17:59:25 UTC
[GitHub] [incubator-mxnet] leezu opened a new pull request #19178: Set -fstandalone-debug in clang debug builds
leezu opened a new pull request #19178:
URL: https://github.com/apache/incubator-mxnet/pull/19178
"Clang supports a number of optimizations to reduce the size of debug information in the binary. They work based on the assumption that the debug type information can be spread out over multiple compilation units. For instance, Clang will not emit type definitions for types that are not needed by a module and could be replaced with a forward declaration. Further, Clang will only emit type info for a dynamic C++ class in the module that contains the vtable for the class.
The -fstandalone-debug option turns off these optimizations. This is useful when working with 3rd-party libraries that don’t come with debug information. Note that Clang will never emit type information for types that are not referenced at all by the program."
Without -fstandalone-debug, lldb usage is degraded as debug information of C++ standard library types such strings or containers will be unusable and the types cannot be printed in lldb. Thus set the option by default in clang builds to assist developers unfamiliar with clang / lldb intricacies.
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[GitHub] [incubator-mxnet] mxnet-bot commented on pull request #19178: Set -fstandalone-debug in clang debug builds
Posted by GitBox <gi...@apache.org>.
mxnet-bot commented on pull request #19178:
URL: https://github.com/apache/incubator-mxnet/pull/19178#issuecomment-696275073
Jenkins CI successfully triggered : [centos-gpu, miscellaneous]
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[GitHub] [incubator-mxnet] mxnet-bot commented on pull request #19178: Set -fstandalone-debug in clang debug builds
Posted by GitBox <gi...@apache.org>.
mxnet-bot commented on pull request #19178:
URL: https://github.com/apache/incubator-mxnet/pull/19178#issuecomment-695006580
Hey @leezu , Thanks for submitting the PR
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[GitHub] [incubator-mxnet] leezu commented on pull request #19178: Set -fstandalone-debug in clang debug builds
Posted by GitBox <gi...@apache.org>.
leezu commented on pull request #19178:
URL: https://github.com/apache/incubator-mxnet/pull/19178#issuecomment-696275020
@mxnet-bot run ci [centos-gpu, miscellaneous]
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[GitHub] [incubator-mxnet] leezu commented on pull request #19178: Set -fstandalone-debug in clang debug builds
Posted by GitBox <gi...@apache.org>.
leezu commented on pull request #19178:
URL: https://github.com/apache/incubator-mxnet/pull/19178#issuecomment-696275020
@mxnet-bot run ci [centos-gpu, miscellaneous]
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[GitHub] [incubator-mxnet] mxnet-bot commented on pull request #19178: Set -fstandalone-debug in clang debug builds
Posted by GitBox <gi...@apache.org>.
mxnet-bot commented on pull request #19178:
URL: https://github.com/apache/incubator-mxnet/pull/19178#issuecomment-696275073
Jenkins CI successfully triggered : [centos-gpu, miscellaneous]
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