Warning, /geant4/cmake/Modules/G4HDF5Shim.cmake is written in an unsupported language. File is not indexed.
0001 # - G4HDF5Shim
0002 #
0003 # Geant4's Geant4Config.cmake file aims to support CMake 3.8 and newer
0004 # The HDF5 dependency is located through CMake's builtin FindHDF5
0005 # module, but this does not supply imported targets until CMake 3.20.
0006 # It may use HDF5's hdf5-config.cmake file if available, so create
0007 # custom imported target hdf5::hdf5 to allow both cases to be handled
0008 # without interference with either.
0009
0010 if(HDF5_FOUND)
0011 # If we're in MT mode, found HDF5 must also support MT
0012 if(GEANT4_BUILD_MULTITHREADED OR Geant4_multithreaded_FOUND)
0013 include(CheckCXXSymbolExists)
0014 set(CMAKE_REQUIRED_INCLUDES "${HDF5_INCLUDE_DIRS}")
0015 check_cxx_symbol_exists(H5_HAVE_THREADSAFE "H5pubconf.h" GEANT4_HAVE_H5_HAVE_THREADSAFE)
0016 unset(CMAKE_REQUIRED_INCLUDES)
0017
0018 if(NOT GEANT4_HAVE_H5_HAVE_THREADSAFE)
0019 message(FATAL_ERROR
0020 "Found an install of HDF5, but it was not built with support for thread safety. "
0021 "Either build Geant4 in single threaded mode, or use/reinstall HDF5 with "
0022 "thread safety enabled. See HDF5's install guides, available from https://support.hdfgroup.org/HDF5/release/, for instructions on this.\n"
0023 )
0024 endif()
0025 endif()
0026
0027 # If FindHDF5 does not yet supply imported targets, we
0028 # create an internal INTERFACE target to wrap these.
0029 # This still hard-codes include/library paths, but limits it
0030 # to one place. Later, we'll create proper imported targets
0031 # with re-finds but for now this is the best minimally invasive proceedure
0032 if(NOT TARGET hdf5::hdf5)
0033 add_library(hdf5::hdf5 IMPORTED UNKNOWN)
0034 set_target_properties(hdf5::hdf5 PROPERTIES
0035 IMPORTED_LINK_INTERFACE_LANGUAGES "C"
0036 IMPORTED_LOCATION "${HDF5_C_LIBRARY_hdf5}"
0037 INTERFACE_INCLUDE_DIRECTORIES "${HDF5_C_INCLUDE_DIRS}"
0038 INTERFACE_LINK_LIBRARIES "${HDF5_C_LIBRARIES}"
0039 )
0040 endif()
0041 endif()
