Use the HDF5_C_INCLUDE_DIRS instead of HDF5_INCLUDE_DIRS

examples/heatTransfer/write/CMakeLists.txt

@@ -46,7 +46,7 @@ if(ADIOS_USE_MPI)
       IO_hdf5_a.cpp
     )
     target_include_directories(heatTransfer_write_hdf5
-      PRIVATE ${MPI_C_INCLUDE_PATH} ${HDF5_INCLUDE_DIRS}
+      PRIVATE ${MPI_C_INCLUDE_PATH} ${HDF5_C_INCLUDE_DIRS}
     )
     target_link_libraries(heatTransfer_write_hdf5
       ${MPI_C_LIBRARIES} ${HDF5_C_LIBRARIES}

source/adios2/CMakeLists.txt

@@ -102,8 +102,7 @@ if(ADIOS_USE_HDF5)
       "of ADIOS is being built, which requires a sequential HDF5."
     )
   endif()
-
-  target_include_directories(adios2 PRIVATE ${HDF5_INCLUDE_DIRS})
+  target_include_directories(adios2 PRIVATE ${HDF5_C_INCLUDE_DIRS})
   target_sources(adios2 PRIVATE
     engine/hdf5/HDF5ReaderP.cpp
     engine/hdf5/HDF5WriterP.cpp

testing/adios2/engine/hdf5/CMakeLists.txt

@@ -3,6 +3,10 @@
 # accompanying file Copyright.txt for details.
 #------------------------------------------------------------------------------#
 
+find_package(HDF5 REQUIRED)
+
 add_executable(TestHDF5WriteRead TestHDF5WriteRead.cpp)
-target_link_libraries(TestHDF5WriteRead adios2 gtest)
+target_include_directories(TestHDF5WriteRead PRIVATE ${HDF5_C_INCLUDE_DIRS})
+target_link_libraries(TestHDF5WriteRead adios2 gtest ${HDF5_C_LIBRARIES})
+
 add_test(NAME adios2::engine::hdf5::write_read COMMAND TestHDF5WriteRead)