3 files changed, 5 insertions, 5 deletions
diff --git a/c++/examples/CMakeLists.txt b/c++/examples/CMakeLists.txt
index 5eef265..d3a18f2 100644
--- a/c++/examples/CMakeLists.txt
+++ b/c++/examples/CMakeLists.txt
@@ -34,7 +34,7 @@ set (tutr_examples
 
 foreach (example ${examples})
   add_executable (cpp_ex_${example} ${HDF5_CPP_EXAMPLES_SOURCE_DIR}/${example}.cpp)
-  target_include_directories(cpp_ex_${example} PRIVATE "${HDF5_SRC_DIR};${HDF5_BINARY_DIR}")
+  target_include_directories(cpp_ex_${example} PRIVATE "${HDF5_SRC_DIR};${HDF5_BINARY_DIR};$<$<BOOL:${HDF5_ENABLE_PARALLEL}>:${MPI_C_INCLUDE_DIRS}>")
   TARGET_C_PROPERTIES (cpp_ex_${example} STATIC)
   target_link_libraries (cpp_ex_${example} PRIVATE ${HDF5_CPP_LIB_TARGET} ${HDF5_LIB_TARGET})
   set_target_properties (cpp_ex_${example} PROPERTIES FOLDER examples/cpp)
@@ -42,7 +42,7 @@ endforeach ()
 
 foreach (example ${tutr_examples})
   add_executable (cpp_ex_${example} ${HDF5_CPP_EXAMPLES_SOURCE_DIR}/${example}.cpp)
-  target_include_directories(cpp_ex_${example} PRIVATE "${HDF5_SRC_DIR};${HDF5_BINARY_DIR}")
+  target_include_directories(cpp_ex_${example} PRIVATE "${HDF5_SRC_DIR};${HDF5_BINARY_DIR};$<$<BOOL:${HDF5_ENABLE_PARALLEL}>:${MPI_C_INCLUDE_DIRS}>")
   TARGET_C_PROPERTIES (cpp_ex_${example} STATIC)
   target_link_libraries (cpp_ex_${example} PRIVATE ${HDF5_CPP_LIB_TARGET} ${HDF5_LIB_TARGET})
   set_target_properties (cpp_ex_${example} PROPERTIES FOLDER examples/cpp)
diff --git a/c++/src/CMakeLists.txt b/c++/src/CMakeLists.txt
index cf7a8a5..27b71b0 100644
--- a/c++/src/CMakeLists.txt
+++ b/c++/src/CMakeLists.txt
@@ -84,7 +84,7 @@ set (CPP_HDRS
 
 add_library (${HDF5_CPP_LIB_TARGET} STATIC ${CPP_SOURCES} ${CPP_HDRS})
 target_include_directories(${HDF5_CPP_LIB_TARGET}
-    PRIVATE "${HDF5_SRC_DIR};${HDF5_BINARY_DIR}"
+    PRIVATE "${HDF5_SRC_DIR};${HDF5_BINARY_DIR};$<$<BOOL:${HDF5_ENABLE_PARALLEL}>:${MPI_C_INCLUDE_DIRS}>"
     INTERFACE "$<INSTALL_INTERFACE:$<INSTALL_PREFIX>/include>"
 )
 target_compile_definitions(${HDF5_CPP_LIB_TARGET}
@@ -100,7 +100,7 @@ set (install_targets ${HDF5_CPP_LIB_TARGET})
 if (BUILD_SHARED_LIBS)
   add_library (${HDF5_CPP_LIBSH_TARGET} SHARED ${CPP_SOURCES} ${CPP_HDRS})
   target_include_directories(${HDF5_CPP_LIBSH_TARGET}
-      PRIVATE "${HDF5_SRC_DIR};${HDF5_BINARY_DIR}"
+      PRIVATE "${HDF5_SRC_DIR};${HDF5_BINARY_DIR};$<$<BOOL:${HDF5_ENABLE_PARALLEL}>:${MPI_C_INCLUDE_DIRS}>"
       INTERFACE "$<INSTALL_INTERFACE:$<INSTALL_PREFIX>/include>"
   )
   target_compile_definitions(${HDF5_CPP_LIBSH_TARGET}
diff --git a/c++/test/CMakeLists.txt b/c++/test/CMakeLists.txt
index 33849a9..8e2d685 100644
--- a/c++/test/CMakeLists.txt
+++ b/c++/test/CMakeLists.txt
@@ -38,7 +38,7 @@ set (srcdir ${CMAKE_CURRENT_SOURCE_DIR})
 configure_file (${HDF5_CPP_TEST_SOURCE_DIR}/H5srcdir_str.h.in H5srcdir_str.h  @ONLY)
 
 add_executable (cpp_testhdf5 ${CPP_TEST_SOURCES} )
-target_include_directories(cpp_testhdf5 PRIVATE "${HDF5_SRC_DIR};${HDF5_BINARY_DIR};${HDF5_TEST_BINARY_DIR}")
+target_include_directories(cpp_testhdf5 PRIVATE "${HDF5_SRC_DIR};${HDF5_BINARY_DIR};${HDF5_TEST_BINARY_DIR};$<$<BOOL:${HDF5_ENABLE_PARALLEL}>:${MPI_C_INCLUDE_DIRS}>")
 target_compile_definitions(cpp_testhdf5
     PRIVATE $<$<BOOL:${HDF5_ENABLE_PARALLEL}>:MPICH_SKIP_MPICXX;MPICH_IGNORE_CXX_SEEK># Parallel/MPI, prevent spurious cpp/cxx warnings
 )