From c956c035dc9dd3587882b53f65c374cdce1edeb2 Mon Sep 17 00:00:00 2001
From: Leo Chen <chenqiuliang@baidu.com>
Date: Mon, 8 Mar 2021 11:27:45 +0800
Subject: [PATCH] fix cmake of cryptopp to avoid downloading every time
 (#31451)

---
 cmake/external/cryptopp.cmake | 1 +
 1 file changed, 1 insertion(+)

diff --git a/cmake/external/cryptopp.cmake b/cmake/external/cryptopp.cmake
index 3176e2a665..7a4f66b01c 100644
--- a/cmake/external/cryptopp.cmake
+++ b/cmake/external/cryptopp.cmake
@@ -53,6 +53,7 @@ ExternalProject_Add(
     "${CRYPTOPP_DOWNLOAD_CMD}"
     PREFIX          ${CRYPTOPP_PREFIX_DIR}
     SOURCE_DIR      ${CRYPTOPP_SOURCE_DIR}
+    UPDATE_COMMAND  ""
     PATCH_COMMAND
     COMMAND ${CMAKE_COMMAND} -E remove_directory "<SOURCE_DIR>/cmake/"
     COMMAND git clone ${GIT_URL}/noloader/cryptopp-cmake "<SOURCE_DIR>/cmake"
-- 
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