https://bugs.llvm.org/show_bug.cgi?id=49880
Bug ID: 49880
Summary: OpenMP version printed for OMP_DISPLAY_ENV=1
Product: OpenMP
Version: unspecified
Hardware: PC
OS: Linux
Status: NEW
Severity: enhancement
Priority: P
Component: Runtime Library
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Currently, the runtime prints _OPENMP='201611', when exporting
OMP_DISPLAY_ENV=1.
This is other than the value of _OPENMP=201811 during compilation.
Furthermore, 201611 is not a value defined in any spec.
As LC members would argue, an OpenMP implementation should always be seen as a
fixed combination of compiler and runtime. Such implementation should report a
consistent version (at least for the default usage).
Cases, where mileage might vary:
- flag -fopenmp-version=xy is passed to compiler -> compile-time value of
_OPENMP changes
- different compiler than clang is used while linking against libomp
- clang-compiled application/library is linked against a different OpenMP
runtime.
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