Clang 19 now implements CWG 96 [1], which requires a template argument list after a 'template' keyword, resulting in errors similar to: /wrkdirs/usr/ports/devel/opentelemetry-cpp/work/opentelemetry-cpp-1.16.1/api/include/opentelemetry/logs/logger_type_traits.h:169:69: error: a template argument list is expected after a name prefixed by the template keyword [-Wmissing-template-arg-list-after-template-kw] 169 | return LogRecordSetterTrait<common::KeyValueIterable>::template Set( | ^ /wrkdirs/usr/ports/devel/opentelemetry-cpp/work/opentelemetry-cpp-1.16.1/api/include/opentelemetry/logs/logger.h:76:89: error: a template argument list is expected after a name prefixed by the template keyword [-Wmissing-template-arg-list-after-template-kw] 76 | detail::LogRecordSetterTrait<typename std::decay<ArgumentType>::type>::template Set( | ^ /wrkdirs/usr/ports/devel/opentelemetry-cpp/work/opentelemetry-cpp-1.16.1/api/include/opentelemetry/logs/event_logger.h:69:89: error: a template argument list is expected after a name prefixed by the template keyword [-Wmissing-template-arg-list-after-template-kw] 69 | detail::LogRecordSetterTrait<typename std::decay<ArgumentType>::type>::template Set( | ^ In these cases, appending "<>" is enough to satisfy the constraint.
Created attachment 253420 [details] devel/opentelemetry-cpp: fix build with clang 19
Thanks for the report,Dimitry. LGTM, please feel free to commit the patch.
A commit in branch main references this bug: URL: https://cgit.FreeBSD.org/ports/commit/?id=676864fd474bdd6ec1d74496d0a58d9a5a046601 commit 676864fd474bdd6ec1d74496d0a58d9a5a046601 Author: Dimitry Andric <dim@FreeBSD.org> AuthorDate: 2024-09-08 09:20:21 +0000 Commit: Dimitry Andric <dim@FreeBSD.org> CommitDate: 2024-09-08 17:45:19 +0000 devel/opentelemetry-cpp: fix build with clang 19 Clang 19 now implements CWG 96 [1], which requires a template argument list after a 'template' keyword, resulting in errors similar to: /wrkdirs/usr/ports/devel/opentelemetry-cpp/work/opentelemetry-cpp-1.16.1/api/include/opentelemetry/logs/logger_type_traits.h:169:69: error: a template argument list is expected after a name prefixed by the template keyword [-Wmissing-template-arg-list-after-template-kw] 169 | return LogRecordSetterTrait<common::KeyValueIterable>::template Set( | ^ /wrkdirs/usr/ports/devel/opentelemetry-cpp/work/opentelemetry-cpp-1.16.1/api/include/opentelemetry/logs/logger.h:76:89: error: a template argument list is expected after a name prefixed by the template keyword [-Wmissing-template-arg-list-after-template-kw] 76 | detail::LogRecordSetterTrait<typename std::decay<ArgumentType>::type>::template Set( | ^ /wrkdirs/usr/ports/devel/opentelemetry-cpp/work/opentelemetry-cpp-1.16.1/api/include/opentelemetry/logs/event_logger.h:69:89: error: a template argument list is expected after a name prefixed by the template keyword [-Wmissing-template-arg-list-after-template-kw] 69 | detail::LogRecordSetterTrait<typename std::decay<ArgumentType>::type>::template Set( | ^ In these cases, appending "<>" is enough to satisfy the constraint. PR: 281359 Approved by: osa (maintainer) MFH: 2024Q3 ...patch-api_include_opentelemetry_logs_event__logger.h (new) | 11 +++++++++++ .../files/patch-api_include_opentelemetry_logs_logger.h (new) | 11 +++++++++++ ...pi_include_opentelemetry_logs_logger__type__traits.h (new) | 11 +++++++++++ 3 files changed, 33 insertions(+)
A commit in branch 2024Q3 references this bug: URL: https://cgit.FreeBSD.org/ports/commit/?id=66edcb86f65117393297fedb6a5e661f9e3db735 commit 66edcb86f65117393297fedb6a5e661f9e3db735 Author: Dimitry Andric <dim@FreeBSD.org> AuthorDate: 2024-09-08 09:20:21 +0000 Commit: Dimitry Andric <dim@FreeBSD.org> CommitDate: 2024-09-08 17:48:08 +0000 devel/opentelemetry-cpp: fix build with clang 19 Clang 19 now implements CWG 96 [1], which requires a template argument list after a 'template' keyword, resulting in errors similar to: /wrkdirs/usr/ports/devel/opentelemetry-cpp/work/opentelemetry-cpp-1.16.1/api/include/opentelemetry/logs/logger_type_traits.h:169:69: error: a template argument list is expected after a name prefixed by the template keyword [-Wmissing-template-arg-list-after-template-kw] 169 | return LogRecordSetterTrait<common::KeyValueIterable>::template Set( | ^ /wrkdirs/usr/ports/devel/opentelemetry-cpp/work/opentelemetry-cpp-1.16.1/api/include/opentelemetry/logs/logger.h:76:89: error: a template argument list is expected after a name prefixed by the template keyword [-Wmissing-template-arg-list-after-template-kw] 76 | detail::LogRecordSetterTrait<typename std::decay<ArgumentType>::type>::template Set( | ^ /wrkdirs/usr/ports/devel/opentelemetry-cpp/work/opentelemetry-cpp-1.16.1/api/include/opentelemetry/logs/event_logger.h:69:89: error: a template argument list is expected after a name prefixed by the template keyword [-Wmissing-template-arg-list-after-template-kw] 69 | detail::LogRecordSetterTrait<typename std::decay<ArgumentType>::type>::template Set( | ^ In these cases, appending "<>" is enough to satisfy the constraint. PR: 281359 Approved by: osa (maintainer) MFH: 2024Q3 (cherry picked from commit 676864fd474bdd6ec1d74496d0a58d9a5a046601) ...patch-api_include_opentelemetry_logs_event__logger.h (new) | 11 +++++++++++ .../files/patch-api_include_opentelemetry_logs_logger.h (new) | 11 +++++++++++ ...pi_include_opentelemetry_logs_logger__type__traits.h (new) | 11 +++++++++++ 3 files changed, 33 insertions(+)