diff options
Diffstat (limited to 'CMakeLists.txt')
| -rw-r--r-- | CMakeLists.txt | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt index d27962d..4e42153 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -758,6 +758,18 @@ if (HDF5_ENABLE_SUBFILING_VFD) if (NOT HDF5_ENABLE_PARALLEL) message (FATAL_ERROR "Subfiling VFD requires a parallel HDF5 build") endif() + + if (NOT DEFINED Threads_FOUND) + set (THREADS_PREFER_PTHREAD_FLAG ON) + find_package (Threads REQUIRED) + endif () + + # For now, make sure we're using pthreads. Once Subfiling can be + # supported on Windows, we should allow Win32 threads as well + if (NOT ${Threads_FOUND} OR NOT ${CMAKE_USE_PTHREADS_INIT}) + message (FATAL_ERROR "Subfiling requires pthreads for system thread library") + endif () + CHECK_INCLUDE_FILE("stdatomic.h" HAVE_STDATOMIC_H) if (NOT HAVE_STDATOMIC_H) message (FATAL_ERROR "Subfiling VFD requires atomic operations support. C11 stdatomic.h NOT available.") |