no-wrap-memcpy.patch

   1 --- protobuf-3.11.4/ruby/ext/google/protobuf_c/extconf.rb~      2020-02-14 21:13:37.000000000 +0100
   2 +++ protobuf-3.11.4/ruby/ext/google/protobuf_c/extconf.rb       2020-04-07 22:56:24.419874091 +0200
   3 @@ -3,19 +3,17 @@
   4  require 'mkmf'
   5
   6  if RUBY_PLATFORM =~ /darwin/ || RUBY_PLATFORM =~ /linux/
   7 -  $CFLAGS += " -std=gnu90 -O3 -DNDEBUG -Wall -Wdeclaration-after-statement -Wsign-compare"
   8 +  $CFLAGS += " -std=gnu90 -DNDEBUG -Wall -Wdeclaration-after-statement -Wsign-compare"
   9  else
  10 -  $CFLAGS += " -std=gnu90 -O3 -DNDEBUG"
  11 +  $CFLAGS += " -std=gnu90 -DNDEBUG"
  12  end
  13
  14
  15  if RUBY_PLATFORM =~ /linux/
  16 -  # Instruct the linker to point memcpy calls at our __wrap_memcpy wrapper.
  17 -  $LDFLAGS += " -Wl,-wrap,memcpy"
  18 +  $LDFLAGS += " -std=c99 -DNDEBUG"
  19  end
  20
  21  $objs = ["protobuf.o", "defs.o", "storage.o", "message.o",
  22 -         "repeated_field.o", "map.o", "encode_decode.o", "upb.o",
  23 -         "wrap_memcpy.o"]
  24 +         "repeated_field.o", "map.o", "encode_decode.o", "upb.o" ]
  25
  26  create_makefile("google/protobuf_c")