Protocol Buffers - Google's data interchange format (grpc依赖)
https://developers.google.com/protocol-buffers/
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
95 lines
3.4 KiB
95 lines
3.4 KiB
1 year ago
|
require "ffi-compiler/compile_task"
|
||
|
|
|
||
|
|
# # @param task [FFI::Compiler::CompileTask] task to configure
|
||
|
|
def configure_common_compile_task(task)
|
||
|
|
if FileUtils.pwd.include? 'ext'
|
||
|
|
src_dir = '.'
|
||
|
|
third_party_path = 'third_party/utf8_range'
|
||
|
|
else
|
||
|
|
src_dir = 'ext/google/protobuf_c'
|
||
|
|
third_party_path = 'ext/google/protobuf_c/third_party/utf8_range'
|
||
|
|
end
|
||
|
|
|
||
|
|
task.add_include_path third_party_path
|
||
|
|
task.add_define 'NDEBUG'
|
||
|
|
task.cflags << "-std=gnu99 -O3"
|
||
|
|
[
|
||
|
|
:convert, :defs, :map, :message, :protobuf, :repeated_field, :wrap_memcpy
|
||
|
|
].each { |file| task.exclude << "/#{file}.c" }
|
||
|
|
task.ext_dir = src_dir
|
||
|
|
task.source_dirs = [src_dir]
|
||
|
|
if RbConfig::CONFIG['target_os'] =~ /darwin|linux/
|
||
|
|
task.cflags << "-Wall -Wsign-compare -Wno-declaration-after-statement"
|
||
|
|
end
|
||
|
|
end
|
||
|
|
|
||
|
|
# FFI::CompilerTask's constructor walks the filesystem at task definition time
|
||
|
|
# to create subtasks for each source file, so files from third_party must be
|
||
|
|
# copied into place before the task is defined for it to work correctly.
|
||
|
|
# TODO(jatl) Is there a sane way to check for generated protos under lib too?
|
||
|
|
def with_generated_files
|
||
|
|
expected_path = FileUtils.pwd.include?('ext') ? 'third_party/utf8_range' : 'ext/google/protobuf_c/third_party/utf8_range'
|
||
|
|
if File.directory?(expected_path)
|
||
|
|
yield
|
||
|
|
else
|
||
|
|
task :default do
|
||
|
|
# It is possible, especially in cases like the first invocation of
|
||
|
|
# `rake test` following `rake clean` or a fresh checkout that the
|
||
|
|
# `copy_third_party` task has been executed since initial task definition.
|
||
|
|
# If so, run the task definition block now and invoke it explicitly.
|
||
|
|
if File.directory?(expected_path)
|
||
|
|
yield
|
||
|
|
Rake::Task[:default].invoke
|
||
|
|
else
|
||
|
|
raise "Missing directory #{File.absolute_path(expected_path)}." +
|
||
|
|
" Did you forget to run `rake copy_third_party` before building" +
|
||
|
|
" native extensions?"
|
||
|
|
end
|
||
|
|
end
|
||
|
|
end
|
||
|
|
end
|
||
|
|
|
||
|
|
desc "Compile Protobuf library for FFI"
|
||
|
|
namespace "ffi-protobuf" do
|
||
|
|
with_generated_files do
|
||
|
|
# Compile Ruby UPB separately in order to limit use of -DUPB_BUILD_API to one
|
||
|
|
# compilation unit.
|
||
|
|
desc "Compile UPB library for FFI"
|
||
|
|
namespace "ffi-upb" do
|
||
|
|
with_generated_files do
|
||
|
|
FFI::Compiler::CompileTask.new('ruby-upb') do |c|
|
||
|
|
configure_common_compile_task c
|
||
|
|
c.add_define "UPB_BUILD_API"
|
||
|
|
c.exclude << "/glue.c"
|
||
|
|
c.exclude << "/shared_message.c"
|
||
|
|
c.exclude << "/shared_convert.c"
|
||
|
|
if RbConfig::CONFIG['target_os'] =~ /darwin|linux/
|
||
|
|
c.cflags << "-fvisibility=hidden"
|
||
|
|
end
|
||
|
|
end
|
||
|
|
end
|
||
|
|
end
|
||
|
|
|
||
|
|
FFI::Compiler::CompileTask.new 'protobuf_c_ffi' do |c|
|
||
|
|
configure_common_compile_task c
|
||
|
|
# Ruby UPB was already compiled with different flags.
|
||
|
|
c.exclude << "/range2-neon.c"
|
||
|
|
c.exclude << "/range2-sse.c"
|
||
|
|
c.exclude << "/naive.c"
|
||
|
|
c.exclude << "/ruby-upb.c"
|
||
|
|
end
|
||
|
|
|
||
|
|
# Setup dependencies so that the .o files generated by building ffi-upb are
|
||
|
|
# available to link here.
|
||
|
|
# TODO(jatl) Can this be simplified? Can the single shared library be used
|
||
|
|
# instead of the object files?
|
||
|
|
protobuf_c_task = Rake::Task[:default]
|
||
|
|
protobuf_c_shared_lib_task = Rake::Task[protobuf_c_task.prereqs.last]
|
||
|
|
ruby_upb_shared_lib_task = Rake::Task[:"ffi-upb:default"].prereqs.first
|
||
|
|
Rake::Task[ruby_upb_shared_lib_task].prereqs.each do |dependency|
|
||
|
|
protobuf_c_shared_lib_task.prereqs.prepend dependency
|
||
|
|
end
|
||
|
|
end
|
||
|
|
end
|
||
|
|
|