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-rw-r--r--infra/cmake/packages/ProtobufSourceConfig.cmake3
1 files changed, 2 insertions, 1 deletions
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)