build: add [[maybe_unused]] on EXPORT macro #559
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This was referenced Sep 4, 2024
bwbarrett
requested changes
Sep 4, 2024
| @@ -9,7 +9,11 @@ | |||
| #define OFI_LIKELY(x) __builtin_expect((x), 1) | |||
| #define OFI_UNLIKELY(x) __builtin_expect((x), 0) | |||
|
|
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| #ifdef __cplusplus | |||
| #define NCCL_OFI_EXPORT_SYMBOL __attribute__((visibility("default"))) [[maybe_unused]] | |||
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My comment from 19d4b38 remains; this shouldn't be necessary and I'd like to get to root cause before committing it.
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the canonical token is __cplusplus not _cplusplus. When this is incorrect, linkage fails as cxx will perform name mangling when including these headers, resulting in a function with that mangle not existing. stack-info: PR: #554, branch: aws-nslick/stack/1 Signed-off-by: Nicholas Sielicki <nslick@amazon.com>
c++ requires literals not sit directly next to other literals and must be separated by at least one whitespace token. stack-info: PR: #555, branch: aws-nslick/stack/2 Signed-off-by: Nicholas Sielicki <nslick@amazon.com>
stack-info: PR: #556, branch: aws-nslick/stack/3 Signed-off-by: Nicholas Sielicki <nslick@amazon.com>
When using designated initializer lists, under C++ only, a warning will be emitted if the declaration order does not match the initialization order if any fields are missing in the initializer list. Reorder these structs to initialize all fields in their declaration order. stack-info: PR: #557, branch: aws-nslick/stack/4 Signed-off-by: Nicholas Sielicki <nslick@amazon.com>
void pointer arithmetic is illegal in c++; cast to uintptr, do the offset, then cast to void* to pass to libfabric. stack-info: PR: #558, branch: aws-nslick/stack/5 Signed-off-by: Nicholas Sielicki <nslick@amazon.com>
stack-info: PR: #559, branch: aws-nslick/stack/6 Signed-off-by: Nicholas Sielicki <nslick@amazon.com>
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Stacked PRs:
build: add [[maybe_unused]] on EXPORT macro
Signed-off-by: Nicholas Sielicki nslick@amazon.com