support offiline compile of crypto

.gitmodules

@@ -110,3 +110,11 @@
 	path = third_party/cccl
 	url = https://github.com/NVIDIA/cccl.git
 	ignore = dirty
+[submodule "third_party/cryptopp"]
+	path = third_party/cryptopp
+	url = https://github.com/weidai11/cryptopp.git
+	ignore = dirty
+[submodule "third_party/cryptopp-cmake"]
+	path = third_party/cryptopp-cmake
+	url = https://github.com/noloader/cryptopp-cmake.git
+	ignore = dirty

cmake/external/cryptopp.cmake

@@ -14,12 +14,13 @@
 
 include(ExternalProject)
 
+set(CRYPTOPP_SOURCE_DIR ${PADDLE_SOURCE_DIR}/third_party/cryptopp)
+set(CRYPTOPP_CMAKE_SOURCE_DIR ${PADDLE_SOURCE_DIR}/third_party/cryptopp-cmake)
 set(CRYPTOPP_PREFIX_DIR ${THIRD_PARTY_PATH}/cryptopp)
 set(CRYPTOPP_INSTALL_DIR ${THIRD_PARTY_PATH}/install/cryptopp)
 set(CRYPTOPP_INCLUDE_DIR
     "${CRYPTOPP_INSTALL_DIR}/include"
     CACHE PATH "cryptopp include directory." FORCE)
-set(CRYPTOPP_REPOSITORY ${GIT_URL}/weidai11/cryptopp.git)
 set(CRYPTOPP_TAG CRYPTOPP_8_2_0)
 
 if(WIN32)
@@ -63,17 +64,16 @@ include_directories(${CRYPTOPP_INCLUDE_DIR})
 ExternalProject_Add(
   extern_cryptopp
   ${EXTERNAL_PROJECT_LOG_ARGS} ${SHALLOW_CLONE}
-  GIT_REPOSITORY ${CRYPTOPP_REPOSITORY}
-  GIT_TAG ${CRYPTOPP_TAG}
   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 ${GIT_URL}/noloader/cryptopp-cmake "<SOURCE_DIR>/cmake"
-  COMMAND cd "<SOURCE_DIR>/cmake" && git checkout tags/${CRYPTOPP_TAG} -b
-          ${CRYPTOPP_TAG}
-  COMMAND ${CMAKE_COMMAND} -E copy_directory "<SOURCE_DIR>/cmake/"
-          "<SOURCE_DIR>/"
+  COMMAND ${CMAKE_COMMAND} -E copy "${CRYPTOPP_CMAKE_SOURCE_DIR}/CMakeLists.txt"
+          "<SOURCE_DIR>/CMakeLists.txt"
+  COMMAND
+    ${CMAKE_COMMAND} -E copy
+    "${CRYPTOPP_CMAKE_SOURCE_DIR}/cryptopp-config.cmake"
+    "<SOURCE_DIR>/cryptopp-config.cmake"
   COMMAND ${CRYPTOPP_PATCH_COMMAND}
   INSTALL_DIR ${CRYPTOPP_INSTALL_DIR}
   CMAKE_ARGS ${CRYPTOPP_CMAKE_ARGS}