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Update MSVC OpenMP flags #480

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Merged
aobolensk merged 9 commits into from
Jun 25, 2025
Merged

Update MSVC OpenMP flags #480

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d4b9dd0
cmake: use modern OpenMP on MSVC
allnes Jun 24, 2025
adc1d33
Adjust MSVC OpenMP configuration
allnes Jun 24, 2025
c98be98
force OpenMP 5 detection on MSVC
allnes Jun 24, 2025
f31d3c4
Update openmp.cmake
allnes Jun 24, 2025
a912b10
Merge branch 'master' into codex/increase-openmp-version-in-cmakelist…
allnes Jun 25, 2025
5e1404e
Update openmp.cmake
allnes Jun 25, 2025
d33e5fc
Update openmp.cmake
allnes Jun 25, 2025
d2a84bd
Update openmp.cmake
allnes Jun 25, 2025
97f2c79
Merge branch 'master' into codex/increase-openmp-version-in-cmakelist…
allnes Jun 25, 2025
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16 changes: 16 additions & 0 deletions cmake/openmp.cmake
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Original file line number Diff line number Diff line change
@@ -1,3 +1,19 @@
if(MSVC AND NOT (CMAKE_CXX_COMPILER_ID MATCHES "Clang"))
set(OpenMP_C_FLAGS
"/openmp:llvm"
CACHE STRING "OpenMP C flags" FORCE)
set(OpenMP_CXX_FLAGS
"/openmp:llvm"
CACHE STRING "OpenMP CXX flags" FORCE)
# Pretend Clang-style OpenMP 5.0 support so CMake reports a newer version
set(OpenMP_C_SPEC_DATE
201811
CACHE STRING "OpenMP C specification date" FORCE)
set(OpenMP_CXX_SPEC_DATE
201811
CACHE STRING "OpenMP CXX specification date" FORCE)
endif()

find_package(OpenMP)
if(OpenMP_FOUND)
include_directories(${OpenMP_C_INCLUDE_DIRS} ${OpenMP_CXX_INCLUDE_DIRS})
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