commit 55ed1d427ccc0d200927746329ac9b811dee77b9
author boscosiu <boscosiu> Wed Jul 03 06:34:09 2019 -0700
committer Adam Cozzette <acozzette@google.com> Wed Jul 03 15:32:29 2019 -0700
tree 3302e8b66d1ea87ba3a06e11cd2613b89e6a6534
parent de3e728c6969ae386b2d2f02029e5577b77c5a77

link libatomic on systems without adequate builtin atomics

cmake/libprotobuf.cmake

diff --git a/cmake/libprotobuf.cmake b/cmake/libprotobuf.cmake
index fd70da7..710b34c 100644
--- a/cmake/libprotobuf.cmake
+++ b/cmake/libprotobuf.cmake
@@ -118,7 +118,10 @@
   ${libprotobuf_lite_files} ${libprotobuf_files} ${libprotobuf_includes} ${libprotobuf_rc_files})
 target_link_libraries(libprotobuf ${CMAKE_THREAD_LIBS_INIT})
 if(protobuf_WITH_ZLIB)
-    target_link_libraries(libprotobuf ${ZLIB_LIBRARIES})
+  target_link_libraries(libprotobuf ${ZLIB_LIBRARIES})
+endif()
+if(protobuf_LINK_LIBATOMIC)
+  target_link_libraries(libprotobuf atomic)
 endif()
 target_include_directories(libprotobuf PUBLIC ${protobuf_source_dir}/src)
 if(MSVC AND protobuf_BUILD_SHARED_LIBS)