[CMake] add HDF5 as target_include_dirs for libraries

As we currently do not depend on IO due to circular dependencies,
we need to add it explicitly.

src/buildblock/CMakeLists.txt

@@ -135,9 +135,9 @@ if (LLN_FOUND)
   target_link_libraries(buildblock PUBLIC ${LLN_LIBRARIES})
 endif()
 
-if (RDF_FOUND)
-  # TODO cannot do this as it creates circular dependencies
-  # target_link_libraries(buildblock PUBLIC local_IO_GE)
+if (HAVE_HDF5)
+  # for GEHDF5, TODO remove once IO dependency added or GEHDF5Wrapper no longer includes H5Cpp.h
+  target_include_directories(buildblock PRIVATE ${HDF5_INCLUDE_DIRS})
 endif()
 
 # TODO currently needed as filters need fourier

src/data_buildblock/CMakeLists.txt

@@ -36,3 +36,8 @@ endif()
 include(stir_lib_target)
 
 target_link_libraries(${dir} PUBLIC buildblock)
+
+if (HAVE_HDF5)
+  # for GEHDF5, TODO remove once IO dependency added or GEHDF5Wrapper no longer includes H5Cpp.h
+  target_include_directories(data_buildblock PRIVATE ${HDF5_INCLUDE_DIRS})
+endif()

src/listmode_buildblock/CMakeLists.txt

@@ -58,3 +58,8 @@ endif()
 include(stir_lib_target)
 
 target_link_libraries(listmode_buildblock PUBLIC data_buildblock )
+
+if (HAVE_HDF5)
+  # for GEHDF5, TODO remove once IO dependency added or GEHDF5Wrapper no longer includes H5Cpp.h
+  target_include_directories(listmode_buildblock PRIVATE ${HDF5_INCLUDE_DIRS})
+endif()

src/recon_buildblock/CMakeLists.txt

@@ -161,6 +161,11 @@ if (STIR_WITH_Parallelproj_PROJECTOR)
   endif()
 endif()
 
+if (HAVE_HDF5)
+  # for GEHDF5, TODO remove once IO dependency added or GEHDF5Wrapper no longer includes H5Cpp.h
+  target_include_directories(recon_buildblock PRIVATE ${HDF5_INCLUDE_DIRS})
+endif()
+
 if (STIR_WITH_CUDA)
   target_link_libraries(recon_buildblock PRIVATE CUDA::cudart)
 endif()