no-wrap-memcpy.patch

   1 --- protobuf-3.7.0/ruby/ext/google/protobuf_c/extconf.rb        2019-03-12 12:41:06.025000000 +0100
   2 +++ protobuf-3.7.0/ruby/ext/google/protobuf_c/extconf.rb        2019-03-12 12:42:04.062000000 +0100
   3 @@ -5,19 +5,12 @@
   4  if RUBY_PLATFORM =~ /darwin/ || RUBY_PLATFORM =~ /linux/
   5    # XOPEN_SOURCE needed for strptime:
   6    # https://stackoverflow.com/questions/35234152/strptime-giving-implicit-declaration-and-undefined-reference
   7 -  $CFLAGS += " -std=c99 -O3 -DNDEBUG -D_XOPEN_SOURCE=700"
   8 +  $CFLAGS += " -std=c99 -DNDEBUG -D_XOPEN_SOURCE=700"
   9  else
  10 -  $CFLAGS += " -std=c99 -O3 -DNDEBUG"
  11 -end
  12 -
  13 -
  14 -if RUBY_PLATFORM =~ /linux/
  15 -  # Instruct the linker to point memcpy calls at our __wrap_memcpy wrapper.
  16 -  $LDFLAGS += " -Wl,-wrap,memcpy"
  17 +  $CFLAGS += " -std=c99 -DNDEBUG"
  18  end
  19
  20  $objs = ["protobuf.o", "defs.o", "storage.o", "message.o",
  21 -         "repeated_field.o", "map.o", "encode_decode.o", "upb.o",
  22 -         "wrap_memcpy.o"]
  23 +         "repeated_field.o", "map.o", "encode_decode.o", "upb.o" ]
  24
  25  create_makefile("google/protobuf_c")