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common_library.rb
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# Phusion Passenger - https://www.phusionpassenger.com/ # Copyright (c) 2012-2018 Phusion Holding B.V. # # "Passenger", "Phusion Passenger" and "Union Station" are registered # trademarks of Phusion Holding B.V. # # Permission is hereby granted, free of charge, to any person obtaining a copy # of this software and associated documentation files (the "Software"), to deal # in the Software without restriction, including without limitation the rights # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell # copies of the Software, and to permit persons to whom the Software is # furnished to do so, subject to the following conditions: # # The above copyright notice and this permission notice shall be included in # all copies or substantial portions of the Software. # # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN # THE SOFTWARE. # This file lists all the Phusion Passenger C++ support library files and # contains code for calculating how to compile and how to link them into # executables. It's used by the build system (build/*.rb) and by # src/ruby_supportlib/phusion_passenger/config/nginx_engine_compiler.rb PhusionPassenger.require_passenger_lib 'platform_info/crypto' class CommonLibraryBuilder include Rake::DSL if defined?(Rake::DSL) attr_reader :all_components, :selected_components, :output_dir def initialize(&block) @all_components = {} @all_ordered_components = [] @selected_components = {} @namespace = "common" if defined?(COMMON_OUTPUT_DIR) @output_dir = COMMON_OUTPUT_DIR + "libpassenger_common" else @output_dir = "." end instance_eval(&block) if block end def initialize_copy(other) [:all_components, :all_ordered_components, :selected_components, :namespace, :output_dir].each do |name| var_name = "@#{name}" instance_variable_set(var_name, other.instance_variable_get(var_name).dup) end end def define_component(object_name, options) @all_components[object_name] = options @all_ordered_components << object_name @selected_components[object_name] = options end def only(*selector) dup.send(:only!, *selector) end def exclude(*selector) dup.send(:exclude!, *selector) end def set_namespace(namespace) dup.send(:set_namespace!, namespace) end def set_output_dir(dir) dup.send(:set_output_dir!, dir) end def link_objects result = [] selected_categories.each do |category| object_names = selected_objects_belonging_to_category(category) result.concat(object_filenames_for(object_names)) end result end def link_objects_as_string link_objects.join(' ') end def enable_optimizations!(lto = false) @default_optimization_level = "-O" if lto @default_extra_optimization_flags = "-flto" end end def define_tasks(extra_compiler_flags = nil) group_all_components_by_category.each_pair do |category, object_names| define_category_tasks(category, object_names, extra_compiler_flags) end task("#{@namespace}:clean") do sh "rm -rf #{@output_dir}" end self end private def define_category_tasks(category, object_names, extra_compiler_flags) object_names.each do |object_name| define_object_compilation_task(object_name, extra_compiler_flags) end object_filenames = object_filenames_for(object_names) task "#{@namespace}:clean" do sh "rm -f #{object_filenames.join(' ')}" end end def define_object_compilation_task(object_name, extra_compiler_flags) options = @all_components[object_name] source_file = locate_source_file(options[:source]) object_file = "#{@output_dir}/#{object_name}" case options[:optimize] when :light optimization_level = "-O" when true, :heavy optimization_level = "-O2" when :very_heavy optimization_level = "-O3" when nil optimization_level = @default_optimization_level else raise "Unknown optimization level #{options[:optimize]}" end optimize = "#{optimization_level} #{@default_extra_optimization_flags}".strip if options[:strict_aliasing] == false # and not nil optimize = "#{optimize} -fno-strict-aliasing" # Disable link-time optimization so that we can no-strict-aliasing # works: http://stackoverflow.com/a/25765338/20816 optimize.sub!(/-flto/, "") end define_c_or_cxx_object_compilation_task( object_file, source_file, lambda { { :include_paths => CXX_SUPPORTLIB_INCLUDE_PATHS, :flags => [ libev_cflags, libuv_cflags, optimize, "#{maybe_eval_lambda(extra_compiler_flags)} #{options[:cflags]}".strip ] } } ) end def set_namespace!(namespace) @namespace = namespace return self end def set_output_dir!(dir) @output_dir = dir return self end def only!(*selector) new_components = apply_selector(*selector) @selected_components = new_components return self end def exclude!(*selector) apply_selector(*selector).each_key do |object_name| @selected_components.delete(object_name) end return self end def apply_selector(*selector) result = {} selector = [selector].flatten selector.each do |condition| @selected_components.each do |object_name, options| if component_satisfies_condition?(object_name, options, condition) result[object_name] = options end end end return result end def component_satisfies_condition?(object_name, options, condition) case condition when Symbol return condition == :all || options[:category] == condition when String return object_name == condition else raise ArgumentError, "Invalid condition #{condition.inspect}" end end def selected_categories categories = {} @selected_components.each_value do |options| categories[options[:category]] = true end return categories.keys end def category_complete?(category) expected = 0 actual = 0 @all_components.each_value do |options| if options[:category] == category expected += 1 end end @selected_components.each_value do |options| if options[:category] == category actual += 1 end end return expected == actual end def selected_objects_belonging_to_category(category) result = [] @selected_components.each_pair do |object_name, options| if options[:category] == category result << object_name end end return result end def object_filenames_for(object_names) return object_names.map { |name| "#{@output_dir}/#{name}" } end def group_all_components_by_category categories = {} @all_ordered_components.each do |object_name| options = @all_components[object_name] category = options[:category] categories[category] ||= [] categories[category] << object_name end return categories end def locate_source_file(path) "src/cxx_supportlib/#{path}" end end COMMON_LIBRARY = CommonLibraryBuilder.new do define_component 'LoggingKit.o', :source => 'LoggingKit/Implementation.cpp', :category => :base, :optimize => :very_heavy define_component 'Exceptions.o', :source => 'Exceptions.cpp', :category => :base define_component 'FileTools/PathManip.o', :source => 'FileTools/PathManip.cpp', :category => :base define_component 'FileTools/FileManip.o', :source => 'FileTools/FileManip.cpp', :category => :base define_component 'FileTools/PathSecurityCheck.o', :source => 'FileTools/PathSecurityCheck.cpp', :category => :base define_component 'ProcessManagement/Spawn.o', :source => 'ProcessManagement/Spawn.cpp', :category => :base define_component 'ProcessManagement/Utils.o', :source => 'ProcessManagement/Utils.cpp', :category => :base define_component 'SystemTools/UserDatabase.o', :source => 'SystemTools/UserDatabase.cpp', :category => :base define_component 'Utils/SystemTime.o', :source => 'SystemTools/SystemTime.cpp', :category => :base define_component 'StrIntTools/StrIntUtils.o', :source => 'StrIntTools/StrIntUtils.cpp', :category => :base, :optimize => :very_heavy define_component 'StrIntTools/StrIntUtilsNoStrictAliasing.o', :source => 'StrIntTools/StrIntUtilsNoStrictAliasing.cpp', :category => :base, :optimize => :very_heavy, # Compiling with SSE2 causes segfaults on Amazon Linux 2 :cflags => RbConfig::CONFIG['host_cpu'] == 'x86_64' && RbConfig::CONFIG['host_os'].include?('linux') ? ' -mno-sse2' : '', :strict_aliasing => false define_component 'IOTools/IOUtils.o', :source => 'IOTools/IOUtils.cpp', :optimize => :light, :category => :base define_component 'Algorithms/Hasher.o', :source => 'Algorithms/Hasher.cpp', :category => :base, :optimize => :very_heavy define_component 'Utils.o', :source => 'Utils.cpp', :category => :base define_component 'jsoncpp.o', :source => 'vendor-modified/jsoncpp/jsoncpp.cpp', :category => :base, :optimize => true define_component 'SecurityKit/Crypto.o', :source => 'SecurityKit/Crypto.cpp', :category => :other, :cflags => PhusionPassenger::PlatformInfo.crypto_extra_cflags define_component 'Utils/CachedFileStat.o', :source => 'Utils/CachedFileStat.cpp', :category => :other define_component 'WatchdogLauncher.o', :source => 'WatchdogLauncher.cpp', :category => :other define_component 'MemoryKit/mbuf.o', :source => 'MemoryKit/mbuf.cpp', :category => :other, :optimize => true define_component 'MemoryKit/palloc.o', :source => 'MemoryKit/palloc.cpp', :category => :other, :optimize => true define_component 'ServerKit/url_parser.o', :source => 'ServerKit/url_parser.c', :category => :other, :optimize => :very_heavy define_component 'ServerKit/llhttp.o', :source => 'ServerKit/llhttp.c', :category => :other, :optimize => :very_heavy define_component 'ServerKit/llhttp_http.o', :source => 'ServerKit/llhttp_http.c', :category => :other, :optimize => :very_heavy define_component 'ServerKit/llhttp_api.o', :source => 'ServerKit/llhttp_api.c', :category => :other, :optimize => :very_heavy define_component 'ServerKit/Implementation.o', :source => 'ServerKit/Implementation.cpp', :category => :other, :optimize => true define_component 'DataStructures/LString.o', :source => 'DataStructures/LString.cpp', :category => :other define_component 'AppTypeDetector/CBindings.o', :source => 'AppTypeDetector/CBindings.cpp', :category => :other define_component 'WrapperRegistry/CBindings.o', :source => 'WrapperRegistry/CBindings.cpp', :category => :other define_component 'vendor-modified/modp_b64.o', :source => 'vendor-modified/modp_b64.cpp', :category => :base64, :optimize => true, :strict_aliasing => false define_component 'vendor-modified/modp_b64_strict_aliasing.o', :source => 'vendor-modified/modp_b64_strict_aliasing.cpp', :category => :base64, :optimize => true define_component 'JsonTools/CBindings.o', :source => 'JsonTools/CBindings.cpp', :category => :json_tools define_component 'FileTools/LargeFiles.o', :source => 'FileTools/LargeFiles.cpp', :category => :file_tools_large_files define_component 'FileTools/PathManipCBindings.o', :source => 'FileTools/PathManipCBindings.cpp', :category => :file_tools_path_manip_cbindings define_component 'ProcessManagement/Ruby.o', :source => 'ProcessManagement/Ruby.cpp', :category => :process_management_ruby end # A subset of the objects are linked to the Nginx binary. This defines # what those objects are. NGINX_LIBS_SELECTOR = [:base, 'WatchdogLauncher.o', 'AppTypeDetector/CBindings.o', 'WrapperRegistry/CBindings.o', 'Utils/CachedFileStat.o', 'JsonTools/CBindings.o', 'FileTools/PathManipCBindings.o']