Description: Use system protobuf lib (libprotobuf-dev)
Forwarded: not-needed
Origin: https://src.fedoraproject.org/rpms/onnxruntime/blob/f40/f/system-protobuf.patch
Author: Alejandro Álvarez Ayllón <a.alvarezayllon@gmail.com>

--- a/cmake/external/onnxruntime_external_deps.cmake
+++ b/cmake/external/onnxruntime_external_deps.cmake
@@ -107,23 +107,6 @@
   FetchContent_MakeAvailable(mimalloc)
 endif()
 
-#Protobuf depends on utf8_range
-onnxruntime_fetchcontent_declare(
-    utf8_range
-    URL ${DEP_URL_utf8_range}
-    URL_HASH SHA1=${DEP_SHA1_utf8_range}
-    EXCLUDE_FROM_ALL
-    FIND_PACKAGE_ARGS NAMES utf8_range
-)
-
-set(utf8_range_ENABLE_TESTS OFF CACHE BOOL "Build test suite" FORCE)
-set(utf8_range_ENABLE_INSTALL OFF CACHE BOOL "Configure installation" FORCE)
-
-# The next line will generate an error message "fatal: not a git repository", but it is ok. It is from flatbuffers
-onnxruntime_fetchcontent_makeavailable(utf8_range)
-# protobuf's cmake/utf8_range.cmake has the following line
-include_directories(${utf8_range_SOURCE_DIR})
-
 # Download a protoc binary from Internet if needed
 if(NOT ONNX_CUSTOM_PROTOC_EXECUTABLE AND NOT onnxruntime_USE_VCPKG)
   # This part of code is only for users' convenience. The code couldn't handle all cases. Users always can manually
@@ -201,36 +184,10 @@
  set(ONNXRUNTIME_PROTOBUF_PATCH_COMMAND "")
 endif()
 
-#Protobuf depends on absl and utf8_range
-onnxruntime_fetchcontent_declare(
-  Protobuf
-  URL ${DEP_URL_protobuf}
-  URL_HASH SHA1=${DEP_SHA1_protobuf}
-  PATCH_COMMAND ${ONNXRUNTIME_PROTOBUF_PATCH_COMMAND}
-  EXCLUDE_FROM_ALL
-  FIND_PACKAGE_ARGS NAMES Protobuf protobuf
-)
-
-set(protobuf_BUILD_TESTS OFF CACHE BOOL "Build protobuf tests" FORCE)
-#TODO: we'd better to turn the following option off. However, it will cause
-# ".\build.bat --config Debug --parallel --skip_submodule_sync --update" fail with an error message:
-# install(EXPORT "ONNXTargets" ...) includes target "onnx_proto" which requires target "libprotobuf-lite" that is
-# not in any export set.
-#set(protobuf_INSTALL OFF CACHE BOOL "Install protobuf binaries and files" FORCE)
-set(protobuf_USE_EXTERNAL_GTEST ON CACHE BOOL "" FORCE)
-
-if (ANDROID)
-  set(protobuf_WITH_ZLIB OFF CACHE BOOL "Build protobuf with zlib support" FORCE)
-endif()
-
-if (onnxruntime_DISABLE_RTTI)
-  set(protobuf_DISABLE_RTTI ON CACHE BOOL "Remove runtime type information in the binaries" FORCE)
-endif()
-
+find_package(Protobuf REQUIRED)
 include(protobuf_function)
 #protobuf end
 
-onnxruntime_fetchcontent_makeavailable(Protobuf)
 if(Protobuf_FOUND)
   message(STATUS "Using protobuf from find_package(or vcpkg). Protobuf version: ${Protobuf_VERSION}")
 else()