commit 6affd51405942e59f0b4baa256e683972de3ef79
author Christian Blichmann <cblichmann@users.noreply.github.com> Mon Aug 22 22:51:28 2022 +0200
committer GitHub <noreply@github.com> Mon Aug 22 13:51:28 2022 -0700
tree 6d15a9142db172211bb9fe7d9e5a41b5f80396df
parent d8421bd49c1328dc5bcaea2e60dd6577ac235336

Update abseil-cpp.cmake (#10436)

cmake/abseil-cpp.cmake

diff --git a/cmake/abseil-cpp.cmake b/cmake/abseil-cpp.cmake
index 7466732..94c25de 100644
--- a/cmake/abseil-cpp.cmake
+++ b/cmake/abseil-cpp.cmake
@@ -2,7 +2,10 @@
 
 set(ABSL_PROPAGATE_CXX_STD ON)
 
-if(protobuf_ABSL_PROVIDER STREQUAL "module")
+if(TARGET absl::strings)
+  # If Abseil is included already, skip including it.
+  # (https://github.com/protocolbuffers/protobuf/issues/10435)
+elseif(protobuf_ABSL_PROVIDER STREQUAL "module")
   if(NOT ABSL_ROOT_DIR)
     set(ABSL_ROOT_DIR ${CMAKE_CURRENT_SOURCE_DIR}/third_party/abseil-cpp)
   endif()