Silee2/fix prebuilt mkldnn on r0.15 (#2574)

* mkl-dnn prebuilt: Use IMPORTED_LINK_INTERFACE_LIBRARIES to ask to link mklml and omp runtime.

* mkl-dnn prebuilt: fix IMPORTED libraries related issues.

* Setup target libmkl for prebuilt mkl-dnn.

Author: silee2

cmake/external_mkldnn.cmake

@@ -48,14 +48,30 @@ if(MKLDNN_INCLUDE_DIR AND MKLDNN_LIB_DIR)
         set(MKLML_LIB_DIR ${MKLDNN_LIB_DIR})
     endif()
 
+    if(WIN32)
+        add_library(libmkl STATIC IMPORTED)
+        set_property(TARGET libmkl PROPERTY IMPORTED_LOCATION ${MKLML_LIB_DIR}/${MKLML_IMPLIB})
+        set_target_properties(libmkl PROPERTIES
+            IMPORTED_LINK_INTERFACE_LIBRARIES ${MKLML_LIB_DIR}/${OMP_IMPLIB})
+    else()
+        add_library(libmkl SHARED IMPORTED)
+        set_property(TARGET libmkl PROPERTY IMPORTED_LOCATION ${MKLML_LIB_DIR}/${MKLML_LIB})
+        set_target_properties(libmkl PROPERTIES
+            IMPORTED_LINK_INTERFACE_LIBRARIES ${MKLML_LIB_DIR}/${OMP_LIB})
+    endif()
+
     if(WIN32)
         add_library(libmkldnn STATIC IMPORTED)
-        set_property(TARGET libmkldnn PROPERTY IMPORTED_LOCATION ${MKLDNN_LIB_DIR}/${MKLDNN_IMPORT_LIB})
+        set_property(TARGET libmkldnn PROPERTY IMPORTED_LOCATION ${MKLDNN_LIB_DIR}/${MKLDNN_IMPLIB})
+        set_target_properties(libmkldnn PROPERTIES
+            IMPORTED_LINK_INTERFACE_LIBRARIES "${MKLML_LIB_DIR}/${MKLML_IMPLIB};${MKLML_LIB_DIR}/${OMP_IMPLIB}")
     else()
         add_library(libmkldnn SHARED IMPORTED)
         set_property(TARGET libmkldnn PROPERTY IMPORTED_LOCATION ${MKLDNN_LIB_DIR}/${MKLDNN_LIB})
+        set_target_properties(libmkldnn PROPERTIES
+            IMPORTED_LINK_INTERFACE_LIBRARIES "${MKLML_LIB_DIR}/${MKLML_LIB};${MKLML_LIB_DIR}/${OMP_LIB}")
     endif()
-    target_include_directories(libmkldnn SYSTEM INTERFACE ${MKLDNN_INCLUDE_DIR})
+    set_target_properties(libmkldnn PROPERTIES INTERFACE_INCLUDE_DIRECTORIES ${MKLDNN_INCLUDE_DIR})
 
     install(FILES ${MKLDNN_LIB_DIR}/${MKLDNN_LIB} ${MKLML_LIB_DIR}/${MKLML_LIB} ${MKLML_LIB_DIR}/${OMP_LIB}  DESTINATION ${NGRAPH_INSTALL_LIB})
     return()

python/CMakeLists.txt

@@ -43,6 +43,6 @@ add_custom_command(
 
 add_custom_target(python_wheel DEPENDS ngraph ${CMAKE_BINARY_DIR}/python/dist/)
 if (NGRAPH_CPU_ENABLE)
-    add_dependencies(python_wheel ext_mkldnn)
+    add_dependencies(python_wheel libmkldnn)
 endif()
 

src/ngraph/codegen/CMakeLists.txt

@@ -82,7 +82,7 @@ add_custom_target(header_resource
     BYPRODUCTS
 )
 if (NGRAPH_CPU_ENABLE)
-    add_dependencies(header_resource ext_eigen ext_mkldnn)
+    add_dependencies(header_resource ext_eigen libmkldnn)
 endif()
 
 if(NGRAPH_LIB_VERSIONING_ENABLE)

src/ngraph/runtime/cpu/CMakeLists.txt

@@ -191,7 +191,7 @@ if (NGRAPH_CPU_ENABLE)
         endif()
     endif()
 
-    add_dependencies(cpu_backend ext_mkldnn ext_eigen)
+    add_dependencies(cpu_backend libmkldnn ext_eigen)
     target_link_libraries(cpu_backend PUBLIC ngraph libmkldnn libmkl libeigen libjson libtbb)
     if (NOT NGRAPH_DEX_ONLY)
         target_link_libraries(cpu_backend PUBLIC codegen)