Add HDF4 include dirs also in cmake config mode

CMakeLists.txt

@@ -47,7 +47,7 @@ add_library(hdf4cpp
 target_include_directories(hdf4cpp
         PUBLIC
         include/
-        ${HDF4_INCLUDE_DIR}
+        ${HDF4_INCLUDE_DIRS}
         )
 
 target_link_libraries(hdf4cpp
@@ -77,6 +77,9 @@ target_link_libraries(hdf4cpp-tests
         ${CMAKE_THREAD_LIBS_INIT}
         hdf4cpp
         )
+target_compile_definitions(hdf4cpp-tests PRIVATE
+        GTEST_DONT_DEFINE_FAIL
+        GTEST_DONT_DEFINE_SUCCEED)
 
 
 if (NOT DEFINED TEST_DATA_PATH)

cmake/FindHDF4.cmake

@@ -9,6 +9,9 @@ find_package(HDF4 CONFIG QUIET)
 
 if (HDF4_FOUND)
     set(HDF4_LIBRARIES hdf4::mfhdf-static hdf4::hdf-static)
+    set(HDF4_INCLUDE_DIRS
+            $<TARGET_PROPERTY:hdf4::mfhdf-static,INTERFACE_INCLUDE_DIRECTORIES>
+            $<TARGET_PROPERTY:hdf4::hdf-static,INTERFACE_INCLUDE_DIRECTORIES>)
 else ()
     find_path(HDF4_INCLUDE_DIRS hdf.h PATH_SUFFIXES hdf)
     find_library(MFHDF_LIB NAMES mfhdf mfhdfalt)