Imported Upstream version 1.21.0upstream/1.21.0tizen_7.0_m2_releaseaccepted/tizen/unified/20220912.170817accepted/tizen/unified/20220912.164738accepted/tizen/7.0/unified/hotfix/20221116.105341accepted/tizen/7.0/unified/20221110.060236tizen_7.0_hotfixtizen_7.0accepted/tizen_7.0_unified_hotfixaccepted/tizen_7.0_unified

43 files changed, 205 insertions, 49 deletions

diff --git a/infra/cmake/packages/AbseilConfig.cmake b/infra/cmake/packages/AbseilConfig.cmake
index 6fae7211d..b3cb364e1 100644
--- a/infra/cmake/packages/AbseilConfig.cmake
+++ b/infra/cmake/packages/AbseilConfig.cmake
@@ -12,11 +12,18 @@ function(_Abseil_import)
 
     # NOTE Turn off abseil testing
     set(BUILD_TESTING OFF)
+    # Set -fPIC property because Abseil-cpp can be used for shared library
+    set(CMAKE_POSITION_INDEPENDENT_CODE ON)
+    # Abseil-cpp 20211102.0 show warning without below setting
+    set(ABSL_PROPAGATE_CXX_STD ON)
+
     add_extdirectory("${AbseilSource_DIR}" ABSEIL)
 
     add_library(abseil INTERFACE)
+
     target_link_libraries(abseil INTERFACE
       # From "Available Abseil CMake Public Targets" in CMake/README.md
+      # Add absl::status (It is not listed in CMake/README.md)
       absl::algorithm
       absl::base
       absl::debugging
@@ -27,19 +34,14 @@ function(_Abseil_import)
       absl::numeric
       absl::random_random
       absl::strings
-      absl::status
       absl::synchronization
       absl::time
       absl::utility
+      absl::status
     )
   endif(NOT TARGET abseil)
 
   set(Abseil_FOUND TRUE PARENT_SCOPE)
 endfunction(_Abseil_import)
 
-set(CMAKE_C_FLAGS_DEBUG     "${CMAKE_C_FLAGS_DEBUG} -fPIC")
-set(CMAKE_CXX_FLAGS_DEBUG   "${CMAKE_CXX_FLAGS_DEBUG} -fPIC")
-set(CMAKE_C_FLAGS_RELEASE   "${CMAKE_C_FLAGS_RELEASE} -fPIC")
-set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -fPIC")
-
 _Abseil_import()
diff --git a/infra/cmake/packages/AbseilSourceConfig.cmake b/infra/cmake/packages/AbseilSourceConfig.cmake
index 8aeb86db3..0297c08bc 100644
--- a/infra/cmake/packages/AbseilSourceConfig.cmake
+++ b/infra/cmake/packages/AbseilSourceConfig.cmake
@@ -7,14 +7,13 @@ function(_AbseilSource_import)
   nnas_include(ExternalSourceTools)
   nnas_include(OptionTools)
 
-  # NOTE TensorFlow 2.3 downloads abseil from the following URL
+  # NOTE TensorFlow 2.9 downloads abseil 20211102.0
   envoption(EXTERNAL_DOWNLOAD_SERVER "https://github.com")
-  envoption(ABSEIL_URL ${EXTERNAL_DOWNLOAD_SERVER}/abseil/abseil-cpp/archive/df3ea785d8c30a9503321a3d35ee7d35808f190d.tar.gz)
-
+  envoption(ABSEIL_URL ${EXTERNAL_DOWNLOAD_SERVER}/abseil/abseil-cpp/archive/20211102.0.tar.gz)
   ExternalSource_Download(ABSEIL
     DIRNAME ABSEIL
     URL ${ABSEIL_URL}
-    CHECKSUM MD5=4d9aa7e757adf48fef171c85f0d88552)
+    CHECKSUM MD5=bdca561519192543378b7cade101ec43)
 
   set(AbseilSource_DIR ${ABSEIL_SOURCE_DIR} PARENT_SCOPE)
   set(AbseilSource_FOUND TRUE PARENT_SCOPE)
diff --git a/infra/cmake/packages/CMSISSource-5.8.0/CMSISSourceConfig.cmake b/infra/cmake/packages/CMSISSource-5.8.0/CMSISSourceConfig.cmake
index 99118c5d9..d1588d3fd 100644
--- a/infra/cmake/packages/CMSISSource-5.8.0/CMSISSourceConfig.cmake
+++ b/infra/cmake/packages/CMSISSource-5.8.0/CMSISSourceConfig.cmake
@@ -2,7 +2,8 @@ function(_CMSISSource_import)
   nnas_include(ExternalSourceTools)
   nnas_include(OptionTools)
 
-  envoption(CMSIS_5_8_0_URL https://github.com/ARM-software/CMSIS_5/archive/refs/tags/5.8.0.tar.gz)
+  envoption(EXTERNAL_DOWNLOAD_SERVER "https://github.com")
+  envoption(CMSIS_5_8_0_URL ${EXTERNAL_DOWNLOAD_SERVER}/ARM-software/CMSIS_5/archive/refs/tags/5.8.0.tar.gz)
   set(CMSIS_5_8_0_SHA256 fe6b697b8782e7fd6131034b7646a3b65c83018774abf7f9f94901a3bc7c82ad)
 
   ExternalSource_Download(CMSIS DIRNAME CMSIS-5.8.0 ${CMSIS_5_8_0_URL}
diff --git a/infra/cmake/packages/CaffeSourceConfig.cmake b/infra/cmake/packages/CaffeSourceConfig.cmake
index 41cc2c9f7..05eb5b30e 100644
--- a/infra/cmake/packages/CaffeSourceConfig.cmake
+++ b/infra/cmake/packages/CaffeSourceConfig.cmake
@@ -7,7 +7,8 @@ function(_CaffeSource_import)
   nnas_include(ExternalSourceTools)
   nnas_include(OptionTools)
 
-  envoption(CAFFE_URL https://github.com/BVLC/caffe/archive/1.0.tar.gz)
+  envoption(EXTERNAL_DOWNLOAD_SERVER "https://github.com")
+  envoption(CAFFE_URL ${EXTERNAL_DOWNLOAD_SERVER}/BVLC/caffe/archive/1.0.tar.gz)
 
   ExternalSource_Download(CAFFE ${CAFFE_URL})
 
diff --git a/infra/cmake/packages/CpuInfoSourceConfig.cmake b/infra/cmake/packages/CpuInfoSourceConfig.cmake
index 60419ad9f..b93a6a2e5 100644
--- a/infra/cmake/packages/CpuInfoSourceConfig.cmake
+++ b/infra/cmake/packages/CpuInfoSourceConfig.cmake
@@ -8,8 +8,8 @@ function(_CpuInfoSource_import)
   nnas_include(OptionTools)
 
   envoption(EXTERNAL_DOWNLOAD_SERVER "https://github.com")
-  # CPUINFO commit including patch from tflite v2.3
-  envoption(CPUINFO_URL ${EXTERNAL_DOWNLOAD_SERVER}/pytorch/cpuinfo/archive/63b254577ed77a8004a9be6ac707f3dccc4e1fd9.tar.gz)
+  # CPUINFO commit from tflite v2.8
+  envoption(CPUINFO_URL ${EXTERNAL_DOWNLOAD_SERVER}/pytorch/cpuinfo/archive/5916273f79a21551890fd3d56fc5375a78d1598d.tar.gz)
   ExternalSource_Download(CPUINFO
     DIRNAME CPUINFO
     URL ${CPUINFO_URL})
diff --git a/infra/cmake/packages/Egl_HeadersSourceConfig.cmake b/infra/cmake/packages/Egl_HeadersSourceConfig.cmake
new file mode 100644
index 000000000..fae57f6ce
--- /dev/null
+++ b/infra/cmake/packages/Egl_HeadersSourceConfig.cmake
@@ -0,0 +1,21 @@
+function(_Egl_HeadersSource_import)
+  if(NOT DOWNLOAD_EGL_HEADERS)
+    set(Egl_HeadersSource_FOUND FALSE PARENT_SCOPE)
+    return()
+  endif(NOT DOWNLOAD_EGL_HEADERS)
+
+  nnas_include(ExternalSourceTools)
+  nnas_include(OptionTools)
+
+  envoption(EXTERNAL_DOWNLOAD_SERVER "https://github.com")
+  envoption(EGL_HEADERS_URL ${EXTERNAL_DOWNLOAD_SERVER}/KhronosGroup/EGL-Registry/archive/649981109e263b737e7735933c90626c29a306f2.zip)
+
+  ExternalSource_Download(EGL_HEADERS
+    DIRNAME EGL_HEADERS
+    URL ${EGL_HEADERS_URL})
+
+  set(Egl_HeadersSource_DIR ${EGL_HEADERS_SOURCE_DIR} PARENT_SCOPE)
+  set(Egl_HeadersSource_FOUND TRUE PARENT_SCOPE)
+endfunction(_Egl_HeadersSource_import)
+
+_Egl_HeadersSource_import()
diff --git a/infra/cmake/packages/FarmhashSourceConfig.cmake b/infra/cmake/packages/FarmhashSourceConfig.cmake
index a19c8b992..fa1867c5c 100644
--- a/infra/cmake/packages/FarmhashSourceConfig.cmake
+++ b/infra/cmake/packages/FarmhashSourceConfig.cmake
@@ -10,7 +10,8 @@ function(_FarmhashSource_import)
   # NOTE TensorFlow 1.12 downloads farmhash from the following URL
   #      TensorFlow 1.13.1 downloads farmhash from the following URL
   #      TensorFlow 2.3.0 downloads farmhash from the following URL
-  envoption(FARMHASH_1_12_URL https://github.com/google/farmhash/archive/816a4ae622e964763ca0862d9dbd19324a1eaf45.tar.gz)
+  envoption(EXTERNAL_DOWNLOAD_SERVER "https://github.com")
+  envoption(FARMHASH_1_12_URL ${EXTERNAL_DOWNLOAD_SERVER}/google/farmhash/archive/816a4ae622e964763ca0862d9dbd19324a1eaf45.tar.gz)
 
   ExternalSource_Download(FARMHASH ${FARMHASH_1_12_URL})
 
diff --git a/infra/cmake/packages/FlatBuffersSource-2.0/FlatBuffersSourceConfig.cmake b/infra/cmake/packages/FlatBuffersSource-2.0/FlatBuffersSourceConfig.cmake
index a0a32aa9e..e094055b7 100644
--- a/infra/cmake/packages/FlatBuffersSource-2.0/FlatBuffersSourceConfig.cmake
+++ b/infra/cmake/packages/FlatBuffersSource-2.0/FlatBuffersSourceConfig.cmake
@@ -7,7 +7,8 @@ function(_FlatBuffersSource_import)
   nnas_include(ExternalSourceTools)
   nnas_include(OptionTools)
 
-  envoption(FLATBUFFERS_2_0_URL https://github.com/google/flatbuffers/archive/v2.0.0.tar.gz)
+  envoption(EXTERNAL_DOWNLOAD_SERVER "https://github.com")
+  envoption(FLATBUFFERS_2_0_URL ${EXTERNAL_DOWNLOAD_SERVER}/google/flatbuffers/archive/v2.0.0.tar.gz)
   ExternalSource_Download(FLATBUFFERS
     DIRNAME FLATBUFFERS-2.0
     CHECKSUM MD5=a27992324c3cbf86dd888268a23d17bd
diff --git a/infra/cmake/packages/Fp16SourceConfig.cmake b/infra/cmake/packages/Fp16SourceConfig.cmake
index 3623fd210..3df4e4cc5 100644
--- a/infra/cmake/packages/Fp16SourceConfig.cmake
+++ b/infra/cmake/packages/Fp16SourceConfig.cmake
@@ -9,7 +9,7 @@ function(_Fp16Source_import)
 
   envoption(EXTERNAL_DOWNLOAD_SERVER "https://github.com")
   # fp16 commit in xnnpack 8b283aa30a31
-  envoption(FP16_URL ${EXTERNAL_DOWNLOAD_SERVER}/Maratyszcza/FP16/archive/3c54eacb74f6f5e39077300c5564156c424d77ba.tar.gz)
+  envoption(FP16_URL ${EXTERNAL_DOWNLOAD_SERVER}/Maratyszcza/FP16/archive/4dfe081cf6bcd15db339cf2680b9281b8451eeb3.tar.gz)
   ExternalSource_Download(FP16
     DIRNAME FP16
     URL ${FP16_URL})
diff --git a/infra/cmake/packages/GEMMLowpSourceConfig.cmake b/infra/cmake/packages/GEMMLowpSourceConfig.cmake
index 6e1cfa9c9..3b3560359 100644
--- a/infra/cmake/packages/GEMMLowpSourceConfig.cmake
+++ b/infra/cmake/packages/GEMMLowpSourceConfig.cmake
@@ -9,7 +9,8 @@ function(_GEMMLowpSource_import)
 
   # NOTE TensorFlow 1.12 uses the following URL
   #      TensorFlow 1.13.1 uses the following URL
-  envoption(GEMMLOWP_URL https://github.com/google/gemmlowp/archive/38ebac7b059e84692f53e5938f97a9943c120d98.tar.gz)
+  envoption(EXTERNAL_DOWNLOAD_SERVER "https://github.com")
+  envoption(GEMMLOWP_URL ${EXTERNAL_DOWNLOAD_SERVER}/google/gemmlowp/archive/38ebac7b059e84692f53e5938f97a9943c120d98.tar.gz)
 
   ExternalSource_Download(GEMMLOWP ${GEMMLOWP_URL})
 
diff --git a/infra/cmake/packages/GFlagsSourceConfig.cmake b/infra/cmake/packages/GFlagsSourceConfig.cmake
index 3e70d89fc..2f9b7537f 100644
--- a/infra/cmake/packages/GFlagsSourceConfig.cmake
+++ b/infra/cmake/packages/GFlagsSourceConfig.cmake
@@ -7,7 +7,8 @@ function(_GFlagsSource_import)
   nnas_include(ExternalSourceTools)
   nnas_include(OptionTools)
 
-  envoption(GFLAGS_URL https://github.com/gflags/gflags/archive/v2.2.1.tar.gz)
+  envoption(EXTERNAL_DOWNLOAD_SERVER "https://github.com")
+  envoption(GFLAGS_URL ${EXTERNAL_DOWNLOAD_SERVER}/gflags/gflags/archive/v2.2.1.tar.gz)
 
   ExternalSource_Download(GFLAGS ${GFLAGS_URL})
 
diff --git a/infra/cmake/packages/GTestSourceConfig.cmake b/infra/cmake/packages/GTestSourceConfig.cmake
index e57d0965a..643c3d109 100644
--- a/infra/cmake/packages/GTestSourceConfig.cmake
+++ b/infra/cmake/packages/GTestSourceConfig.cmake
@@ -7,7 +7,8 @@ function(_GTestSource_import)
   nnas_include(ExternalSourceTools)
   nnas_include(OptionTools)
 
-  envoption(GTEST_URL https://github.com/google/googletest/archive/release-1.11.0.tar.gz)
+  envoption(EXTERNAL_DOWNLOAD_SERVER "https://github.com")
+  envoption(GTEST_URL ${EXTERNAL_DOWNLOAD_SERVER}/google/googletest/archive/release-1.11.0.tar.gz)
 
   ExternalSource_Download(GTEST ${GTEST_URL})
 
diff --git a/infra/cmake/packages/HDF5SourceConfig.cmake b/infra/cmake/packages/HDF5SourceConfig.cmake
index 9db048c86..3440dbd20 100644
--- a/infra/cmake/packages/HDF5SourceConfig.cmake
+++ b/infra/cmake/packages/HDF5SourceConfig.cmake
@@ -7,7 +7,8 @@ function(_HDF5Source_import)
   nnas_include(ExternalSourceTools)
   nnas_include(OptionTools)
 
-  envoption(HDF5_URL https://github.com/HDFGroup/hdf5/archive/hdf5-1_8_16.tar.gz)
+  envoption(EXTERNAL_DOWNLOAD_SERVER "https://github.com")
+  envoption(HDF5_URL ${EXTERNAL_DOWNLOAD_SERVER}/HDFGroup/hdf5/archive/hdf5-1_8_16.tar.gz)
 
   ExternalSource_Download(HDF5 ${HDF5_URL}
                           PATCH ${CMAKE_CURRENT_LIST_DIR}/HDF5Source.patch)
diff --git a/infra/cmake/packages/JsoncppSourceConfig.cmake b/infra/cmake/packages/JsoncppSourceConfig.cmake
index 3195ea479..8d672854b 100644
--- a/infra/cmake/packages/JsoncppSourceConfig.cmake
+++ b/infra/cmake/packages/JsoncppSourceConfig.cmake
@@ -7,7 +7,8 @@ function(_JsoncppSource_import)
   nnas_include(ExternalSourceTools)
   nnas_include(OptionTools)
 
-  envoption(JSONCPP_URL https://github.com/open-source-parsers/jsoncpp/archive/refs/tags/1.9.5.tar.gz)
+  envoption(EXTERNAL_DOWNLOAD_SERVER "https://github.com")
+  envoption(JSONCPP_URL ${EXTERNAL_DOWNLOAD_SERVER}/open-source-parsers/jsoncpp/archive/refs/tags/1.9.5.tar.gz)
 
   ExternalSource_Download(JSONCPP ${JSONCPP_URL})
 
diff --git a/infra/cmake/packages/MbedOSSource-6.15/MbedOSSourceConfig.cmake b/infra/cmake/packages/MbedOSSource-6.15/MbedOSSourceConfig.cmake
index 805554538..e55647da8 100644
--- a/infra/cmake/packages/MbedOSSource-6.15/MbedOSSourceConfig.cmake
+++ b/infra/cmake/packages/MbedOSSource-6.15/MbedOSSourceConfig.cmake
@@ -2,7 +2,8 @@ function(_MbedOSSource_import)
   nnas_include(ExternalSourceTools)
   nnas_include(OptionTools)
 
-  envoption(MBEDOS_6_15_URL https://github.com/ARMmbed/mbed-os/archive/refs/tags/mbed-os-6.15.0.tar.gz)
+  envoption(EXTERNAL_DOWNLOAD_SERVER "https://github.com")
+  envoption(MBEDOS_6_15_URL ${EXTERNAL_DOWNLOAD_SERVER}/ARMmbed/mbed-os/archive/refs/tags/mbed-os-6.15.0.tar.gz)
   set(MBEDOS_6_15_SHA256 529b04c41f3020ed8a62f12d47f2d3de87e1b07fb13708534534a587f7ea048e)
 
   ExternalSource_Download(MBEDOS DIRNAME MBEDOS-6.15 ${MBEDOS_6_15_URL}
diff --git a/infra/cmake/packages/NEON2SSESourceConfig.cmake b/infra/cmake/packages/NEON2SSESourceConfig.cmake
index bd40267a5..82c71e2a8 100644
--- a/infra/cmake/packages/NEON2SSESourceConfig.cmake
+++ b/infra/cmake/packages/NEON2SSESourceConfig.cmake
@@ -8,10 +8,10 @@ function(_NEON2SSESource_import)
   nnas_include(OptionTools)
 
   # NOTE TensorFlow 1.13.1 downloads NEON2SSE from the following URL
-  # NOTE TensorFlow 2.1 downloads NEON2SSE from the following URL
-  # NOTE TensorFlow 2.2 downloads NEON2SSE from the following URL
-  # NOTE TensorFlow 2.3 downloads NEON2SSE from the following URL
-  envoption(NEON2SSE_URL https://github.com/intel/ARM_NEON_2_x86_SSE/archive/1200fe90bb174a6224a525ee60148671a786a71f.tar.gz)
+  # NOTE TensorFlow 2.8.0 downloads NEON2SSE from the following URL
+  # NOTE commit c12f8932c3be5aebaf35562d699f645686c4e2c3 will resolve build fail on debug build
+  envoption(EXTERNAL_DOWNLOAD_SERVER "https://github.com")
+  envoption(NEON2SSE_URL ${EXTERNAL_DOWNLOAD_SERVER}/intel/ARM_NEON_2_x86_SSE/archive/1200fe90bb174a6224a525ee60148671a786a71f.tar.gz)
 
   ExternalSource_Download(NEON2SSE ${NEON2SSE_URL})
 
diff --git a/infra/cmake/packages/ONNXSource-1.4.1/ONNXSourceConfig.cmake b/infra/cmake/packages/ONNXSource-1.4.1/ONNXSourceConfig.cmake
index c9fb5e490..fe21f6d3d 100644
--- a/infra/cmake/packages/ONNXSource-1.4.1/ONNXSourceConfig.cmake
+++ b/infra/cmake/packages/ONNXSource-1.4.1/ONNXSourceConfig.cmake
@@ -7,7 +7,8 @@ function(_ONNXSource_import)
   nnas_include(ExternalSourceTools)
   nnas_include(OptionTools)
 
-  envoption(ONNX_1_4_1_URL https://github.com/onnx/onnx/archive/v1.4.1.zip)
+  envoption(EXTERNAL_DOWNLOAD_SERVER "https://github.com")
+  envoption(ONNX_1_4_1_URL ${EXTERNAL_DOWNLOAD_SERVER}/onnx/onnx/archive/v1.4.1.zip)
 
   ExternalSource_Download(ONNX DIRNAME ONNX-1.4.1
                                CHECKSUM MD5=604b43a22fbc758f32ae9f3a4fb9d397
diff --git a/infra/cmake/packages/ONNXSource-1.6.0/ONNXSourceConfig.cmake b/infra/cmake/packages/ONNXSource-1.6.0/ONNXSourceConfig.cmake
index ef903f834..b2ad08b90 100644
--- a/infra/cmake/packages/ONNXSource-1.6.0/ONNXSourceConfig.cmake
+++ b/infra/cmake/packages/ONNXSource-1.6.0/ONNXSourceConfig.cmake
@@ -7,7 +7,8 @@ function(_ONNXSource_import)
   nnas_include(ExternalSourceTools)
   nnas_include(OptionTools)
 
-  envoption(ONNX_1_6_0_URL https://github.com/onnx/onnx/archive/v1.6.0.zip)
+  envoption(EXTERNAL_DOWNLOAD_SERVER "https://github.com")
+  envoption(ONNX_1_6_0_URL ${EXTERNAL_DOWNLOAD_SERVER}/onnx/onnx/archive/v1.6.0.zip)
 
   ExternalSource_Download(ONNX DIRNAME ONNX-1.6.0
                                CHECKSUM MD5=cbdc547a527f1b59c7f066c8d258b966
diff --git a/infra/cmake/packages/OouraFFTSourceConfig.cmake b/infra/cmake/packages/OouraFFTSourceConfig.cmake
index be551fbe4..d84b5b20f 100644
--- a/infra/cmake/packages/OouraFFTSourceConfig.cmake
+++ b/infra/cmake/packages/OouraFFTSourceConfig.cmake
@@ -8,7 +8,8 @@ function(_OouraFFTSource_import)
   nnas_include(OptionTools)
 
   # NOTE TensorFlow 2.3 downloads OOURAFFT from the following URL
-  envoption(OOURAFFT_URL https://github.com/petewarden/OouraFFT/archive/v1.0.tar.gz)
+  envoption(EXTERNAL_DOWNLOAD_SERVER "https://github.com")
+  envoption(OOURAFFT_URL ${EXTERNAL_DOWNLOAD_SERVER}/petewarden/OouraFFT/archive/v1.0.tar.gz)
 
   ExternalSource_Download(OOURAFFT ${OOURAFFT_URL})
 
diff --git a/infra/cmake/packages/Opengl_HeadersSourceConfig.cmake b/infra/cmake/packages/Opengl_HeadersSourceConfig.cmake
new file mode 100644
index 000000000..c5a774a73
--- /dev/null
+++ b/infra/cmake/packages/Opengl_HeadersSourceConfig.cmake
@@ -0,0 +1,21 @@
+function(_Opengl_HeadersSource_import)
+  if(NOT DOWNLOAD_OPENGL_HEADERS)
+    set(Opengl_HeadersSource_FOUND FALSE PARENT_SCOPE)
+    return()
+  endif(NOT DOWNLOAD_OPENGL_HEADERS)
+
+  nnas_include(ExternalSourceTools)
+  nnas_include(OptionTools)
+
+  envoption(EXTERNAL_DOWNLOAD_SERVER "https://github.com")
+  envoption(OPENGL_HEADERS_URL ${EXTERNAL_DOWNLOAD_SERVER}/KhronosGroup/OpenGL-Registry/archive/0cb0880d91581d34f96899c86fc1bf35627b4b81.zip)
+
+  ExternalSource_Download(OPENGL_HEADERS
+    DIRNAME OPENGL_HEADERS
+    URL ${OPENGL_HEADERS_URL})
+
+  set(Opengl_HeadersSource_DIR ${OPENGL_HEADERS_SOURCE_DIR} PARENT_SCOPE)
+  set(Opengl_HeadersSource_FOUND TRUE PARENT_SCOPE)
+endfunction(_Opengl_HeadersSource_import)
+
+_Opengl_HeadersSource_import()
diff --git a/infra/cmake/packages/ProtobufSourceConfig.cmake b/infra/cmake/packages/ProtobufSourceConfig.cmake
index baa49eeb0..a1704e53d 100644
--- a/infra/cmake/packages/ProtobufSourceConfig.cmake
+++ b/infra/cmake/packages/ProtobufSourceConfig.cmake
@@ -7,7 +7,8 @@ function(_ProtobufSource_import)
   nnas_include(ExternalSourceTools)
   nnas_include(OptionTools)
 
-  envoption(PROTOBUF_URL https://github.com/protocolbuffers/protobuf/archive/v3.5.2.tar.gz)
+  envoption(EXTERNAL_DOWNLOAD_SERVER "https://github.com")
+  envoption(PROTOBUF_URL ${EXTERNAL_DOWNLOAD_SERVER}/protocolbuffers/protobuf/archive/v3.5.2.tar.gz)
 
   ExternalSource_Download(PROTOBUF ${PROTOBUF_URL}
                           PATCH ${CMAKE_CURRENT_LIST_DIR}/ProtobufSource.patch)
diff --git a/infra/cmake/packages/Pybind11SourceConfig.cmake b/infra/cmake/packages/Pybind11SourceConfig.cmake
index 76f51e4d3..2f6425355 100644
--- a/infra/cmake/packages/Pybind11SourceConfig.cmake
+++ b/infra/cmake/packages/Pybind11SourceConfig.cmake
@@ -7,7 +7,8 @@ function(_Pybind11Source_import)
   nnas_include(ExternalSourceTools)
   nnas_include(OptionTools)
 
-  envoption(PYBIND11_URL https://github.com/pybind/pybind11/archive/v2.5.0.tar.gz)
+  envoption(EXTERNAL_DOWNLOAD_SERVER "https://github.com")
+  envoption(PYBIND11_URL ${EXTERNAL_DOWNLOAD_SERVER}/pybind/pybind11/archive/v2.5.0.tar.gz)
 
   ExternalSource_Download(PYBIND11 ${PYBIND11_URL})
 
diff --git a/infra/cmake/packages/PytorchSourceConfig.cmake b/infra/cmake/packages/PytorchSourceConfig.cmake
index 0212f2f4b..94757f865 100644
--- a/infra/cmake/packages/PytorchSourceConfig.cmake
+++ b/infra/cmake/packages/PytorchSourceConfig.cmake
@@ -7,7 +7,8 @@ function(_PytorchSource_import)
   nnas_include(ExternalSourceTools)
   nnas_include(OptionTools)
 
-  envoption(PYTORCH_URL https://github.com/pytorch/pytorch/archive/v0.4.1.tar.gz)
+  envoption(EXTERNAL_DOWNLOAD_SERVER "https://github.com")
+  envoption(PYTORCH_URL ${EXTERNAL_DOWNLOAD_SERVER}/pytorch/pytorch/archive/v0.4.1.tar.gz)
 
   ExternalSource_Download(PYTORCH ${PYTORCH_URL})
 
diff --git a/infra/cmake/packages/TensorFlowEigenSource-2.1.0/TensorFlowEigenSourceConfig.cmake b/infra/cmake/packages/TensorFlowEigenSource-2.1.0/TensorFlowEigenSourceConfig.cmake
index f84675596..8120ebca2 100644
--- a/infra/cmake/packages/TensorFlowEigenSource-2.1.0/TensorFlowEigenSourceConfig.cmake
+++ b/infra/cmake/packages/TensorFlowEigenSource-2.1.0/TensorFlowEigenSourceConfig.cmake
@@ -9,7 +9,8 @@ function(_TensorFlowEigenSource_import)
 
   # Exact version used by TensorFlow v2.1.0.
   # See tensorflow/tensorflow/workspace.bzl.
-  envoption(TENSORFLOW_2_1_0_EIGEN_URL https://gitlab.com/libeigen/eigen/-/archive/4e696901f873a2347f76d931cf2f701e31e15d05/eigen-4e696901f873a2347f76d931cf2f701e31e15d05.tar.gz)
+  envoption(EXTERNAL_DOWNLOAD_SERVER "https://gitlab.com")
+  envoption(TENSORFLOW_2_1_0_EIGEN_URL ${EXTERNAL_DOWNLOAD_SERVER}/libeigen/eigen/-/archive/4e696901f873a2347f76d931cf2f701e31e15d05/eigen-4e696901f873a2347f76d931cf2f701e31e15d05.tar.gz)
 
   ExternalSource_Download(EIGEN DIRNAME TENSORFLOW-2.1.0-EIGEN ${TENSORFLOW_2_1_0_EIGEN_URL})
 
diff --git a/infra/cmake/packages/TensorFlowEigenSource-2.8.0/TensorFlowEigenSourceConfig.cmake b/infra/cmake/packages/TensorFlowEigenSource-2.8.0/TensorFlowEigenSourceConfig.cmake
new file mode 100644
index 000000000..6f59f0771
--- /dev/null
+++ b/infra/cmake/packages/TensorFlowEigenSource-2.8.0/TensorFlowEigenSourceConfig.cmake
@@ -0,0 +1,21 @@
+function(_TensorFlowEigenSource_import)
+  if(NOT DOWNLOAD_EIGEN)
+    set(TensorFlowEigenSource_FOUND FALSE PARENT_SCOPE)
+    return()
+  endif(NOT DOWNLOAD_EIGEN)
+
+  nnas_include(ExternalSourceTools)
+  nnas_include(OptionTools)
+
+  # Exact version used by TensorFlow v2.8.0.
+  # See tensorflow/third_party/eigen3/workspace.bzl.
+  envoption(EXTERNAL_DOWNLOAD_SERVER "https://gitlab.com")
+  envoption(TENSORFLOW_2_8_0_EIGEN_URL ${EXTERNAL_DOWNLOAD_SERVER}/libeigen/eigen/-/archive/008ff3483a8c5604639e1c4d204eae30ad737af6/eigen-e1dd31ce174c3d26fbe38388f64b09d2adbd7557a59e90e6f545a288cc1755fc.tar.gz)
+
+  ExternalSource_Download(EIGEN DIRNAME TENSORFLOW-2.8.0-EIGEN ${TENSORFLOW_2_8_0_EIGEN_URL})
+
+  set(TensorFlowEigenSource_DIR ${EIGEN_SOURCE_DIR} PARENT_SCOPE)
+  set(TensorFlowEigenSource_FOUND TRUE PARENT_SCOPE)
+endfunction(_TensorFlowEigenSource_import)
+
+_TensorFlowEigenSource_import()
diff --git a/infra/cmake/packages/TensorFlowEigenSource-2.8.0/TensorFlowEigenSourceConfigVersion.cmake b/infra/cmake/packages/TensorFlowEigenSource-2.8.0/TensorFlowEigenSourceConfigVersion.cmake
new file mode 100644
index 000000000..2ad2e241e
--- /dev/null
+++ b/infra/cmake/packages/TensorFlowEigenSource-2.8.0/TensorFlowEigenSourceConfigVersion.cmake
@@ -0,0 +1,10 @@
+set(PACKAGE_VERSION "2.8.0")
+set(PACKAGE_VERSION_EXACT FALSE)
+set(PACKAGE_VERSION_COMPATIBLE FALSE)
+set(PACKAGE_VERSION_UNSUITABLE TRUE)
+
+if(PACKAGE_FIND_VERSION VERSION_EQUAL PACKAGE_VERSION)
+  set(PACKAGE_VERSION_EXACT TRUE)
+  set(PACKAGE_VERSION_COMPATIBLE TRUE)
+  set(PACKAGE_VERSION_UNSUITABLE FALSE)
+endif(PACKAGE_FIND_VERSION VERSION_EQUAL PACKAGE_VERSION)
diff --git a/infra/cmake/packages/TensorFlowGEMMLowpSource-2.1.0/TensorFlowGEMMLowpSourceConfig.cmake b/infra/cmake/packages/TensorFlowGEMMLowpSource-2.1.0/TensorFlowGEMMLowpSourceConfig.cmake
index 035264fa9..421be6c66 100644
--- a/infra/cmake/packages/TensorFlowGEMMLowpSource-2.1.0/TensorFlowGEMMLowpSourceConfig.cmake
+++ b/infra/cmake/packages/TensorFlowGEMMLowpSource-2.1.0/TensorFlowGEMMLowpSourceConfig.cmake
@@ -9,7 +9,8 @@ function(_TensorFlowGEMMLowpSource_import)
 
   # Exact version used by TensorFlow v2.1.0.
   # See tensorflow/tensorflow/workspace.bzl.
-  envoption(TENSORFLOW_2_1_0_GEMMLOWP_URL https://github.com/google/gemmlowp/archive/12fed0cd7cfcd9e169bf1925bc3a7a58725fdcc3.zip)
+  envoption(EXTERNAL_DOWNLOAD_SERVER "https://github.com")
+  envoption(TENSORFLOW_2_1_0_GEMMLOWP_URL ${EXTERNAL_DOWNLOAD_SERVER}/google/gemmlowp/archive/12fed0cd7cfcd9e169bf1925bc3a7a58725fdcc3.zip)
 
   ExternalSource_Download(GEMMLOWP DIRNAME TENSORFLOW-2.1.0-GEMMLOWP ${TENSORFLOW_2_1_0_GEMMLOWP_URL})
 
diff --git a/infra/cmake/packages/TensorFlowGEMMLowpSource-2.3.0/TensorFlowGEMMLowpSourceConfig.cmake b/infra/cmake/packages/TensorFlowGEMMLowpSource-2.3.0/TensorFlowGEMMLowpSourceConfig.cmake
index bc13d6227..44c56a6be 100644
--- a/infra/cmake/packages/TensorFlowGEMMLowpSource-2.3.0/TensorFlowGEMMLowpSourceConfig.cmake
+++ b/infra/cmake/packages/TensorFlowGEMMLowpSource-2.3.0/TensorFlowGEMMLowpSourceConfig.cmake
@@ -9,7 +9,8 @@ function(_TensorFlowGEMMLowpSource_import)
 
   # Exact version used by TensorFlow v2.3.0.
   # See tensorflow/tensorflow/workspace.bzl.
-  envoption(TENSORFLOW_2_3_0_GEMMLOWP_URL https://github.com/google/gemmlowp/archive/fda83bdc38b118cc6b56753bd540caa49e570745.zip)
+  envoption(EXTERNAL_DOWNLOAD_SERVER "https://github.com")
+  envoption(TENSORFLOW_2_3_0_GEMMLOWP_URL ${EXTERNAL_DOWNLOAD_SERVER}/google/gemmlowp/archive/fda83bdc38b118cc6b56753bd540caa49e570745.zip)
 
   ExternalSource_Download(GEMMLOWP DIRNAME TENSORFLOW-2.3.0-GEMMLOWP ${TENSORFLOW_2_3_0_GEMMLOWP_URL})
 
diff --git a/infra/cmake/packages/TensorFlowGEMMLowpSource-2.6.0/TensorFlowGEMMLowpSourceConfig.cmake b/infra/cmake/packages/TensorFlowGEMMLowpSource-2.6.0/TensorFlowGEMMLowpSourceConfig.cmake
index b7f3148e8..76cdfdd6c 100644
--- a/infra/cmake/packages/TensorFlowGEMMLowpSource-2.6.0/TensorFlowGEMMLowpSourceConfig.cmake
+++ b/infra/cmake/packages/TensorFlowGEMMLowpSource-2.6.0/TensorFlowGEMMLowpSourceConfig.cmake
@@ -9,7 +9,8 @@ function(_TensorFlowGEMMLowpSource_import)
 
   # Exact version used by TensorFlow v2.6.0.
   # See tensorflow/third_party/gemmlowp/workspace.bzl.
-  envoption(TENSORFLOW_2_6_0_GEMMLOWP_URL https://github.com/google/gemmlowp/archive/fda83bdc38b118cc6b56753bd540caa49e570745.zip)
+  envoption(EXTERNAL_DOWNLOAD_SERVER "https://github.com")
+  envoption(TENSORFLOW_2_6_0_GEMMLOWP_URL ${EXTERNAL_DOWNLOAD_SERVER}/google/gemmlowp/archive/fda83bdc38b118cc6b56753bd540caa49e570745.zip)
 
   ExternalSource_Download(GEMMLOWP DIRNAME TENSORFLOW-2.6.0-GEMMLOWP ${TENSORFLOW_2_6_0_GEMMLOWP_URL})
 
diff --git a/infra/cmake/packages/TensorFlowGEMMLowpSource-2.8.0/TensorFlowGEMMLowpSourceConfig.cmake b/infra/cmake/packages/TensorFlowGEMMLowpSource-2.8.0/TensorFlowGEMMLowpSourceConfig.cmake
index f3663cc78..3e17490c3 100644
--- a/infra/cmake/packages/TensorFlowGEMMLowpSource-2.8.0/TensorFlowGEMMLowpSourceConfig.cmake
+++ b/infra/cmake/packages/TensorFlowGEMMLowpSource-2.8.0/TensorFlowGEMMLowpSourceConfig.cmake
@@ -9,7 +9,8 @@ function(_TensorFlowGEMMLowpSource_import)
 
   # Exact version used by TensorFlow v2.8.0.
   # See tensorflow/third_party/gemmlowp/workspace.bzl.
-  envoption(TENSORFLOW_2_8_0_GEMMLOWP_URL https://github.com/google/gemmlowp/archive/fda83bdc38b118cc6b56753bd540caa49e570745.zip)
+  envoption(EXTERNAL_DOWNLOAD_SERVER "https://github.com")
+  envoption(TENSORFLOW_2_8_0_GEMMLOWP_URL ${EXTERNAL_DOWNLOAD_SERVER}/google/gemmlowp/archive/fda83bdc38b118cc6b56753bd540caa49e570745.zip)
 
   ExternalSource_Download(GEMMLOWP DIRNAME TENSORFLOW-2.8.0-GEMMLOWP ${TENSORFLOW_2_8_0_GEMMLOWP_URL})
 
diff --git a/infra/cmake/packages/TensorFlowGpuSourceConfig.cmake b/infra/cmake/packages/TensorFlowGpuSourceConfig.cmake
index f1debe775..369816a5e 100644
--- a/infra/cmake/packages/TensorFlowGpuSourceConfig.cmake
+++ b/infra/cmake/packages/TensorFlowGpuSourceConfig.cmake
@@ -13,7 +13,7 @@ function(_TensorFlowGpuSource_Import)
       set(PATCH_DONE "TRUE")
     endif()
   endif()
-  
+
   if(${PATCH_DONE} STREQUAL "TRUE")
     message(STATUS "Skip downloading TensorFlowGpuSource")
     set(TENSORFLOWGPU_SOURCE_DIR "${NNAS_EXTERNALS_DIR}/TENSORFLOW_GPU" PARENT_SCOPE)
@@ -28,7 +28,8 @@ function(_TensorFlowGpuSource_Import)
   # Download TFLite Source Code
   nnas_include(ExternalSourceTools)
   nnas_include(OptionTools)
-  envoption(TENSORFLOW_2_4_1_URL https://github.com/tensorflow/tensorflow/archive/v2.4.1.tar.gz)
+  envoption(EXTERNAL_DOWNLOAD_SERVER "https://github.com")
+  envoption(TENSORFLOW_2_4_1_URL ${EXTERNAL_DOWNLOAD_SERVER}/tensorflow/tensorflow/archive/v2.4.1.tar.gz)
   ExternalSource_Download(TFLITE_GPU_DELEGATE DIRNAME TENSORFLOW-2.4.1 ${TENSORFLOW_2_4_1_URL})
 
   # Patch for non used codes on onert backend/gpu_cl
diff --git a/infra/cmake/packages/TensorFlowRuySource-2.3.0/TensorFlowRuySourceConfig.cmake b/infra/cmake/packages/TensorFlowRuySource-2.3.0/TensorFlowRuySourceConfig.cmake
index 3dbf05ece..3a7dc893c 100644
--- a/infra/cmake/packages/TensorFlowRuySource-2.3.0/TensorFlowRuySourceConfig.cmake
+++ b/infra/cmake/packages/TensorFlowRuySource-2.3.0/TensorFlowRuySourceConfig.cmake
@@ -9,7 +9,8 @@ function(_TensorFlowRuySource_import)
 
   # Exact version used by TensorFlow v2.3.0.
   # See tensorflow/third_party/ruy/workspace.bzl
-  envoption(TENSORFLOW_2_3_0_RUY_URL https://github.com/google/ruy/archive/34ea9f4993955fa1ff4eb58e504421806b7f2e8f.zip)
+  envoption(EXTERNAL_DOWNLOAD_SERVER "https://github.com")
+  envoption(TENSORFLOW_2_3_0_RUY_URL ${EXTERNAL_DOWNLOAD_SERVER}/google/ruy/archive/34ea9f4993955fa1ff4eb58e504421806b7f2e8f.zip)
 
   ExternalSource_Download(RUY DIRNAME TENSORFLOW-2.3.0-RUY ${TENSORFLOW_2_3_0_RUY_URL})
 
diff --git a/infra/cmake/packages/TensorFlowRuySource-2.6.0/TensorFlowRuySourceConfig.cmake b/infra/cmake/packages/TensorFlowRuySource-2.6.0/TensorFlowRuySourceConfig.cmake
index b4dee914f..e4dd4f2bf 100644
--- a/infra/cmake/packages/TensorFlowRuySource-2.6.0/TensorFlowRuySourceConfig.cmake
+++ b/infra/cmake/packages/TensorFlowRuySource-2.6.0/TensorFlowRuySourceConfig.cmake
@@ -9,7 +9,8 @@ function(_TensorFlowRuySource_import)
 
   # Exact version used by TensorFlow v2.6.0.
   # See tensorflow/third_party/ruy/workspace.bzl
-  envoption(TENSORFLOW_2_6_0_RUY_URL https://github.com/google/ruy/archive/e6c1b8dc8a8b00ee74e7268aac8b18d7260ab1ce.zip)
+  envoption(EXTERNAL_DOWNLOAD_SERVER "https://github.com")
+  envoption(TENSORFLOW_2_6_0_RUY_URL ${EXTERNAL_DOWNLOAD_SERVER}/google/ruy/archive/e6c1b8dc8a8b00ee74e7268aac8b18d7260ab1ce.zip)
 
   ExternalSource_Download(RUY DIRNAME TENSORFLOW-2.6.0-RUY ${TENSORFLOW_2_6_0_RUY_URL})
 
diff --git a/infra/cmake/packages/TensorFlowRuySource-2.8.0/TensorFlowRuySourceConfig.cmake b/infra/cmake/packages/TensorFlowRuySource-2.8.0/TensorFlowRuySourceConfig.cmake
new file mode 100644
index 000000000..2ead7cd51
--- /dev/null
+++ b/infra/cmake/packages/TensorFlowRuySource-2.8.0/TensorFlowRuySourceConfig.cmake
@@ -0,0 +1,21 @@
+function(_TensorFlowRuySource_import)
+  if(NOT DOWNLOAD_RUY)
+    set(TensorFlowRuySource_FOUND FALSE PARENT_SCOPE)
+    return()
+  endif(NOT DOWNLOAD_RUY)
+
+  nnas_include(ExternalSourceTools)
+  nnas_include(OptionTools)
+
+  # Exact version used by TensorFlow v2.8.0.
+  # See tensorflow/third_party/ruy/workspace.bzl
+  envoption(EXTERNAL_DOWNLOAD_SERVER "https://github.com")
+  envoption(TENSORFLOW_2_8_0_RUY_URL ${EXTERNAL_DOWNLOAD_SERVER}/google/ruy/archive/e6c1b8dc8a8b00ee74e7268aac8b18d7260ab1ce.zip)
+
+  ExternalSource_Download(RUY DIRNAME TENSORFLOW-2.8.0-RUY ${TENSORFLOW_2_8_0_RUY_URL})
+
+  set(TensorFlowRuySource_DIR ${RUY_SOURCE_DIR} PARENT_SCOPE)
+  set(TensorFlowRuySource_FOUND TRUE PARENT_SCOPE)
+endfunction(_TensorFlowRuySource_import)
+
+_TensorFlowRuySource_import()
diff --git a/infra/cmake/packages/TensorFlowRuySource-2.8.0/TensorFlowRuySourceConfigVersion.cmake b/infra/cmake/packages/TensorFlowRuySource-2.8.0/TensorFlowRuySourceConfigVersion.cmake
new file mode 100644
index 000000000..2ad2e241e
--- /dev/null
+++ b/infra/cmake/packages/TensorFlowRuySource-2.8.0/TensorFlowRuySourceConfigVersion.cmake
@@ -0,0 +1,10 @@
+set(PACKAGE_VERSION "2.8.0")
+set(PACKAGE_VERSION_EXACT FALSE)
+set(PACKAGE_VERSION_COMPATIBLE FALSE)
+set(PACKAGE_VERSION_UNSUITABLE TRUE)
+
+if(PACKAGE_FIND_VERSION VERSION_EQUAL PACKAGE_VERSION)
+  set(PACKAGE_VERSION_EXACT TRUE)
+  set(PACKAGE_VERSION_COMPATIBLE TRUE)
+  set(PACKAGE_VERSION_UNSUITABLE FALSE)
+endif(PACKAGE_FIND_VERSION VERSION_EQUAL PACKAGE_VERSION)
diff --git a/infra/cmake/packages/TensorFlowSource-1.14/TensorFlowSourceConfig.cmake b/infra/cmake/packages/TensorFlowSource-1.14/TensorFlowSourceConfig.cmake
index bcdf9f28c..33538c234 100644
--- a/infra/cmake/packages/TensorFlowSource-1.14/TensorFlowSourceConfig.cmake
+++ b/infra/cmake/packages/TensorFlowSource-1.14/TensorFlowSourceConfig.cmake
@@ -7,7 +7,8 @@ function(_TensorFlowSource_import)
   nnas_include(ExternalSourceTools)
   nnas_include(OptionTools)
 
-  envoption(TENSORFLOW_1_14_URL https://github.com/tensorflow/tensorflow/archive/v1.14.0.tar.gz)
+  envoption(EXTERNAL_DOWNLOAD_SERVER "https://github.com")
+  envoption(TENSORFLOW_1_14_URL ${EXTERNAL_DOWNLOAD_SERVER}/tensorflow/tensorflow/archive/v1.14.0.tar.gz)
 
   ExternalSource_Download(TENSORFLOW DIRNAME TENSORFLOW-1.14 ${TENSORFLOW_1_14_URL})
 
diff --git a/infra/cmake/packages/TensorFlowSource-2.1.0/TensorFlowSourceConfig.cmake b/infra/cmake/packages/TensorFlowSource-2.1.0/TensorFlowSourceConfig.cmake
index 0d2a95056..aabc22f72 100644
--- a/infra/cmake/packages/TensorFlowSource-2.1.0/TensorFlowSourceConfig.cmake
+++ b/infra/cmake/packages/TensorFlowSource-2.1.0/TensorFlowSourceConfig.cmake
@@ -7,7 +7,8 @@ function(_TensorFlowSource_import)
   nnas_include(ExternalSourceTools)
   nnas_include(OptionTools)
 
-  envoption(TENSORFLOW_2_1_0_URL https://github.com/tensorflow/tensorflow/archive/v2.1.0.tar.gz)
+  envoption(EXTERNAL_DOWNLOAD_SERVER "https://github.com")
+  envoption(TENSORFLOW_2_1_0_URL ${EXTERNAL_DOWNLOAD_SERVER}/tensorflow/tensorflow/archive/v2.1.0.tar.gz)
 
   ExternalSource_Download(TENSORFLOW DIRNAME TENSORFLOW-2.1.0 ${TENSORFLOW_2_1_0_URL})
 
diff --git a/infra/cmake/packages/TensorFlowSource-2.2.0/TensorFlowSourceConfig.cmake b/infra/cmake/packages/TensorFlowSource-2.2.0/TensorFlowSourceConfig.cmake
index 71220d743..7dabf88c8 100644
--- a/infra/cmake/packages/TensorFlowSource-2.2.0/TensorFlowSourceConfig.cmake
+++ b/infra/cmake/packages/TensorFlowSource-2.2.0/TensorFlowSourceConfig.cmake
@@ -7,7 +7,8 @@ function(_TensorFlowSource_import)
   nnas_include(ExternalSourceTools)
   nnas_include(OptionTools)
 
-  envoption(TENSORFLOW_2_2_0_URL https://github.com/tensorflow/tensorflow/archive/v2.2.0.tar.gz)
+  envoption(EXTERNAL_DOWNLOAD_SERVER "https://github.com")
+  envoption(TENSORFLOW_2_2_0_URL ${EXTERNAL_DOWNLOAD_SERVER}/tensorflow/tensorflow/archive/v2.2.0.tar.gz)
 
   ExternalSource_Download(TENSORFLOW DIRNAME TENSORFLOW-2.2.0 ${TENSORFLOW_2_2_0_URL})
 
diff --git a/infra/cmake/packages/TensorFlowSource-2.3.0-rc0Config.cmake b/infra/cmake/packages/TensorFlowSource-2.3.0-rc0Config.cmake
index 82df579a1..967d49e87 100644
--- a/infra/cmake/packages/TensorFlowSource-2.3.0-rc0Config.cmake
+++ b/infra/cmake/packages/TensorFlowSource-2.3.0-rc0Config.cmake
@@ -10,7 +10,8 @@ function(_import)
   nnas_include(ExternalSourceTools)
   nnas_include(OptionTools)
 
-  envoption(TENSORFLOW_2_3_0_RC0_URL https://github.com/tensorflow/tensorflow/archive/v2.3.0-rc0.tar.gz)
+  envoption(EXTERNAL_DOWNLOAD_SERVER "https://github.com")
+  envoption(TENSORFLOW_2_3_0_RC0_URL ${EXTERNAL_DOWNLOAD_SERVER}/tensorflow/tensorflow/archive/v2.3.0-rc0.tar.gz)
 
   ExternalSource_Download(TENSORFLOW DIRNAME TENSORFLOW-2.3.0-RC0 ${TENSORFLOW_2_3_0_RC0_URL})
 
diff --git a/infra/cmake/packages/TensorFlowSource-2.3.0/TensorFlowSourceConfig.cmake b/infra/cmake/packages/TensorFlowSource-2.3.0/TensorFlowSourceConfig.cmake
index 5c3a0f8cc..0ad0cda0b 100644
--- a/infra/cmake/packages/TensorFlowSource-2.3.0/TensorFlowSourceConfig.cmake
+++ b/infra/cmake/packages/TensorFlowSource-2.3.0/TensorFlowSourceConfig.cmake
@@ -7,7 +7,8 @@ function(_TensorFlowSource_import)
   nnas_include(ExternalSourceTools)
   nnas_include(OptionTools)
 
-  envoption(TENSORFLOW_2_3_0_URL https://github.com/tensorflow/tensorflow/archive/v2.3.0.tar.gz)
+  envoption(EXTERNAL_DOWNLOAD_SERVER "https://github.com")
+  envoption(TENSORFLOW_2_3_0_URL ${EXTERNAL_DOWNLOAD_SERVER}/tensorflow/tensorflow/archive/v2.3.0.tar.gz)
 
   ExternalSource_Download(TENSORFLOW DIRNAME TENSORFLOW-2.3.0 ${TENSORFLOW_2_3_0_URL})
 
diff --git a/infra/cmake/packages/TensorFlowSource-2.6.0/TensorFlowSourceConfig.cmake b/infra/cmake/packages/TensorFlowSource-2.6.0/TensorFlowSourceConfig.cmake
index 611c7c805..9a7af17b1 100644
--- a/infra/cmake/packages/TensorFlowSource-2.6.0/TensorFlowSourceConfig.cmake
+++ b/infra/cmake/packages/TensorFlowSource-2.6.0/TensorFlowSourceConfig.cmake
@@ -7,7 +7,8 @@ function(_TensorFlowSource_import)
   nnas_include(ExternalSourceTools)
   nnas_include(OptionTools)
 
-  envoption(TENSORFLOW_2_6_0_URL https://github.com/tensorflow/tensorflow/archive/v2.6.0.tar.gz)
+  envoption(EXTERNAL_DOWNLOAD_SERVER "https://github.com")
+  envoption(TENSORFLOW_2_6_0_URL ${EXTERNAL_DOWNLOAD_SERVER}/tensorflow/tensorflow/archive/v2.6.0.tar.gz)
 
   ExternalSource_Download(TENSORFLOW DIRNAME TENSORFLOW-2.6.0 ${TENSORFLOW_2_6_0_URL})
 
diff --git a/infra/cmake/packages/TensorFlowSource-2.8.0/TensorFlowSourceConfig.cmake b/infra/cmake/packages/TensorFlowSource-2.8.0/TensorFlowSourceConfig.cmake
index 4abe2eae6..988a0f49f 100644
--- a/infra/cmake/packages/TensorFlowSource-2.8.0/TensorFlowSourceConfig.cmake
+++ b/infra/cmake/packages/TensorFlowSource-2.8.0/TensorFlowSourceConfig.cmake
@@ -7,7 +7,8 @@ function(_TensorFlowSource_import)
   nnas_include(ExternalSourceTools)
   nnas_include(OptionTools)
 
-  envoption(TENSORFLOW_2_8_0_URL https://github.com/tensorflow/tensorflow/archive/v2.8.0.tar.gz)
+  envoption(EXTERNAL_DOWNLOAD_SERVER "https://github.com")
+  envoption(TENSORFLOW_2_8_0_URL ${EXTERNAL_DOWNLOAD_SERVER}/tensorflow/tensorflow/archive/v2.8.0.tar.gz)
 
   ExternalSource_Download(TENSORFLOW DIRNAME TENSORFLOW-2.8.0 ${TENSORFLOW_2_8_0_URL})
 
diff --git a/infra/cmake/packages/VulkanSourceConfig.cmake b/infra/cmake/packages/VulkanSourceConfig.cmake
new file mode 100644
index 000000000..76b69898e
--- /dev/null
+++ b/infra/cmake/packages/VulkanSourceConfig.cmake
@@ -0,0 +1,20 @@
+function(_VulkanSource_import)
+  if(NOT ${DOWNLOAD_VULKAN})
+    set(VulkanSource_FOUND FALSE PARENT_SCOPE)
+    return()
+  endif(NOT ${DOWNLOAD_VULKAN})
+
+  nnas_include(ExternalSourceTools)
+  nnas_include(OptionTools)
+
+  envoption(EXTERNAL_DOWNLOAD_SERVER "https://github.com")
+  envoption(VULKAN_URL ${EXTERNAL_DOWNLOAD_SERVER}/KhronosGroup/Vulkan-Headers/archive/ec2db85225ab410bc6829251bef6c578aaed5868.tar.gz)
+  ExternalSource_Download(VULKAN
+    DIRNAME VULKAN
+    URL ${VULKAN_URL})
+
+  set(VulkanSource_DIR ${VULKAN_SOURCE_DIR} PARENT_SCOPE)
+  set(VulkanSource_FOUND TRUE PARENT_SCOPE)
+endfunction(_VulkanSource_import)
+
+_VulkanSource_import()