[Build] Move level zero submodule from npu to common (openvinotoolkit…

…#26626)

### Details:
- L0 submodule can be reused between GPU and NPU plugins, so moved to
common thirdparty dependencies

.gitmodules

@@ -72,8 +72,8 @@
 [submodule "src/plugins/intel_cpu/thirdparty/mlas"]
 	path = src/plugins/intel_cpu/thirdparty/mlas
 	url = https://github.com/openvinotoolkit/mlas.git
-[submodule "src/plugins/intel_npu/thirdparty/level-zero"]
-	path = src/plugins/intel_npu/thirdparty/level-zero
+[submodule "thirdparty/level_zero/level-zero"]
+	path = thirdparty/level_zero/level-zero
 	url = https://github.com/oneapi-src/level-zero.git
 [submodule "src/plugins/intel_npu/thirdparty/level-zero-ext"]
 	path = src/plugins/intel_npu/thirdparty/level-zero-ext

src/plugins/intel_npu/src/plugin/CMakeLists.txt

@@ -62,8 +62,8 @@ target_include_directories(${TARGET_NAME}
 )
 target_include_directories(${TARGET_NAME}
     SYSTEM PRIVATE
-        ${NPU_PLUGIN_SOURCE_DIR}/thirdparty/level-zero/include
-        ${NPU_PLUGIN_SOURCE_DIR}/thirdparty/level-zero-ext
+        $<TARGET_PROPERTY:LevelZero::LevelZero,INTERFACE_INCLUDE_DIRECTORIES>
+        $<TARGET_PROPERTY:LevelZero::NPUExt,INTERFACE_INCLUDE_DIRECTORIES>
 )
 
 if(ENABLE_AVX2)

src/plugins/intel_npu/src/utils/src/zero/CMakeLists.txt

@@ -14,8 +14,8 @@ ov_add_clang_format_target(${TARGET_NAME}_clang FOR_TARGETS ${TARGET_NAME})
 target_include_directories(
   ${TARGET_NAME}
   PUBLIC
-    $<BUILD_INTERFACE:${NPU_PLUGIN_SOURCE_DIR}/thirdparty/level-zero/include>
-    $<BUILD_INTERFACE:${NPU_PLUGIN_SOURCE_DIR}/thirdparty/level-zero-ext>
+    $<TARGET_PROPERTY:LevelZero::LevelZero,INTERFACE_INCLUDE_DIRECTORIES>
+    $<TARGET_PROPERTY:LevelZero::NPUExt,INTERFACE_INCLUDE_DIRECTORIES>
     $<BUILD_INTERFACE:${NPU_UTILS_SOURCE_DIR}/include>)
 
 target_link_libraries(

src/plugins/intel_npu/thirdparty/CMakeLists.txt

@@ -2,36 +2,13 @@
 # SPDX-License-Identifier: Apache-2.0
 #
 
-set(BUILD_SHARED_LIBS OFF)
-
 #
 # zeroApi
 #
 
 if(ENABLE_ZEROAPI_BACKEND)
-    # We have to avoid linking against loader with debug postfix due it's a part of driver
-    # and the name will be the same for release and debug configurations
-    set(CMAKE_DEBUG_POSTFIX "")
-
-    # Skip warnings as errors for thirdparty
-    if(CMAKE_CXX_COMPILER_ID STREQUAL "MSVC")
-        ov_add_compiler_flags(/WX-)
-        # solve pdb access issue
-        set(USE_Z7 ON)
-        # Close spectre for ze loader
-        add_compile_options("/Qspectre-")
-    elseif(CMAKE_COMPILER_IS_GNUCXX OR OV_COMPILER_IS_CLANG)
-        ov_add_compiler_flags(-Wno-error)
-        set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} \
-            -Wno-undef \
-            -Wno-missing-declarations")
-        if(UNUSED_BUT_SET_VARIABLE_SUPPORTED)
-            set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-unused-but-set-variable")
-        endif()
-    endif()
-    set(CMAKE_COMPILE_WARNING_AS_ERROR OFF)
-    add_subdirectory(level-zero EXCLUDE_FROM_ALL)
-
-    # This VERSION file created by L0 may cause compilation issue of oneTBB headers, so remove it
-    file(REMOVE "${CMAKE_BINARY_DIR}/VERSION")
+    add_library(level-zero-ext INTERFACE)
+    set_property(TARGET level-zero-ext APPEND PROPERTY INTERFACE_INCLUDE_DIRECTORIES $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/level-zero-ext/>)
+    add_library(LevelZero::NPUExt ALIAS level-zero-ext)
+    install(TARGETS level-zero-ext EXPORT "${PROJECT_NAME}Targets")
 endif()

thirdparty/dependencies.cmake

@@ -64,6 +64,16 @@ if(X86_64 OR X86 OR UNIVERSAL2)
     endif()
 endif()
 
+#
+# LevelZero
+#
+
+if(ENABLE_INTEL_NPU)
+    add_subdirectory(thirdparty/level_zero EXCLUDE_FROM_ALL)
+
+    add_library(LevelZero::LevelZero ALIAS ze_loader)
+endif()
+
 #
 # OpenCL
 #

thirdparty/level_zero/CMakeLists.txt

@@ -0,0 +1,34 @@
+# Copyright (C) 2018-2024 Intel Corporation
+# SPDX-License-Identifier: Apache-2.0
+#
+
+set(BUILD_SHARED_LIBS OFF)
+
+
+# We have to avoid linking against loader with debug postfix due it's a part of driver
+# and the name will be the same for release and debug configurations
+set(CMAKE_DEBUG_POSTFIX "")
+
+# Skip warnings as errors for thirdparty
+if(CMAKE_CXX_COMPILER_ID STREQUAL "MSVC")
+    ov_add_compiler_flags(/WX-)
+    # solve pdb access issue
+    set(USE_Z7 ON)
+    # Close spectre for ze loader
+    add_compile_options("/Qspectre-")
+elseif(CMAKE_COMPILER_IS_GNUCXX OR OV_COMPILER_IS_CLANG)
+    ov_add_compiler_flags(-Wno-error)
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} \
+        -Wno-undef \
+        -Wno-missing-declarations")
+    if(UNUSED_BUT_SET_VARIABLE_SUPPORTED)
+        set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-unused-but-set-variable")
+    endif()
+endif()
+set(CMAKE_COMPILE_WARNING_AS_ERROR OFF)
+add_subdirectory(level-zero EXCLUDE_FROM_ALL)
+
+set_property(TARGET ze_loader APPEND PROPERTY INTERFACE_INCLUDE_DIRECTORIES $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/level-zero/include>)
+
+# This VERSION file created by L0 may cause compilation issue of oneTBB headers, so remove it
+file(REMOVE "${CMAKE_BINARY_DIR}/VERSION")