enforce 1.11 on VDS files

examples/heatTransfer/write/CMakeLists.txt

@@ -67,16 +67,18 @@ if(ADIOS2_HAVE_MPI)
       adios2 MPI::MPI_C ${CMAKE_THREAD_LIBS_INIT}
     )
 
-    add_executable(heatTransfer_write_h5mixer
-      main.cpp
-      HeatTransfer.cpp
-      Settings.cpp
-      IO_h5mixer.cpp
-    )
+    if(HDF5_VERSION VERSION_GREATER_EQUAL 1.11)
+      add_executable(heatTransfer_write_h5mixer
+        main.cpp
+        HeatTransfer.cpp
+        Settings.cpp
+        IO_h5mixer.cpp
+      ) 
+      target_link_libraries(heatTransfer_write_h5mixer
+	adios2 MPI::MPI_C ${CMAKE_THREAD_LIBS_INIT}
+      )
+    endif()
 
-    target_link_libraries(heatTransfer_write_h5mixer
-      adios2 MPI::MPI_C ${CMAKE_THREAD_LIBS_INIT}
-    )
 
   endif()
 endif()

source/adios2/CMakeLists.txt

@@ -114,14 +114,24 @@ if(ADIOS2_HAVE_HDF5)
   else()
     target_include_directories(adios2 PRIVATE ${HDF5_INCLUDE_DIRS})
   endif()
-  target_sources(adios2 PRIVATE
-    engine/hdf5/HDF5ReaderP.cpp
-    engine/hdf5/HDF5WriterP.cpp
-    engine/mixer/HDFMixer.cpp	
-    engine/mixer/HDFMixer.tcc
-    engine/mixer/HDFMixerWriter.cpp
-    toolkit/interop/hdf5/HDF5Common.cpp toolkit/interop/hdf5/HDF5Common.tcc
-  )
+
+  if(HDF5_VERSION VERSION_LESS 1.11)
+    target_sources(adios2 PRIVATE
+      engine/hdf5/HDF5ReaderP.cpp
+      engine/hdf5/HDF5WriterP.cpp
+      toolkit/interop/hdf5/HDF5Common.cpp toolkit/interop/hdf5/HDF5Common.tcc
+    )  
+  else()
+    target_sources(adios2 PRIVATE
+      engine/hdf5/HDF5ReaderP.cpp
+      engine/hdf5/HDF5WriterP.cpp
+      engine/mixer/HDFMixer.cpp	
+      engine/mixer/HDFMixer.tcc
+      engine/mixer/HDFMixerWriter.cpp
+      toolkit/interop/hdf5/HDF5Common.cpp toolkit/interop/hdf5/HDF5Common.tcc
+    )
+  endif()
+
   target_link_libraries(adios2 PRIVATE ${HDF5_C_LIBRARIES})
 endif()
 

source/adios2/core/IO.cpp

@@ -29,8 +29,10 @@
 #ifdef ADIOS2_HAVE_HDF5 // external dependencies
 #include "adios2/engine/hdf5/HDF5ReaderP.h"
 #include "adios2/engine/hdf5/HDF5WriterP.h"
+#if H5_VERSION_GE(1, 11, 0)
 #include "adios2/engine/mixer/HDFMixer.h"
 #endif
+#endif
 
 namespace adios2
 {
@@ -233,7 +235,12 @@ std::shared_ptr<Engine> IO::Open(const std::string &name,
     else if (m_EngineType == "HDFMixer")
     {
 #ifdef ADIOS2_HAVE_HDF5
+#if H5_VERSION_GE(1, 11, 0)
         engine = std::make_shared<HDFMixer>(*this, name, openMode, mpiComm);
+#else
+        throw std::invalid_argument(
+            "ERROR: update HDF5 >= 1.11 to support VDS.");
+#endif
 #else
         throw std::invalid_argument("ERROR: this version didn't compile with "
                                     "HDF5 library, can't use HDF5\n");