remove mach.rb from homebrew-fork
This commit is contained in:
Roland Walker
parent
96bd8e0593
commit
48319f44d5
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@ -1,10 +1,8 @@
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require 'pathname'
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require 'mach'
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require 'resource'
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# we enhance pathname to make our code more readable
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class Pathname
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include MachO
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def install *sources
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sources.each do |src|
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@ -1,186 +1,186 @@
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module ArchitectureListExtension
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def fat?
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length > 1
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end
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def intel_universal?
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intersects_all?(Hardware::CPU::INTEL_32BIT_ARCHS, Hardware::CPU::INTEL_64BIT_ARCHS)
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end
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def ppc_universal?
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intersects_all?(Hardware::CPU::PPC_32BIT_ARCHS, Hardware::CPU::PPC_64BIT_ARCHS)
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end
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# Old-style 32-bit PPC/Intel universal, e.g. ppc7400 and i386
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def cross_universal?
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intersects_all?(Hardware::CPU::PPC_32BIT_ARCHS, Hardware::CPU::INTEL_32BIT_ARCHS)
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end
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def universal?
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intel_universal? || ppc_universal? || cross_universal?
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end
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def ppc?
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(Hardware::CPU::PPC_32BIT_ARCHS+Hardware::CPU::PPC_64BIT_ARCHS).any? {|a| self.include? a}
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end
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def remove_ppc!
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(Hardware::CPU::PPC_32BIT_ARCHS+Hardware::CPU::PPC_64BIT_ARCHS).each {|a| self.delete a}
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end
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def as_arch_flags
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self.collect{ |a| "-arch #{a}" }.join(' ')
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end
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def as_cmake_arch_flags
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self.join(';')
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end
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protected
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def intersects_all?(*set)
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set.all? do |archset|
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archset.any? {|a| self.include? a}
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end
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end
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end
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module MachO
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OTOOL_RX = /\t(.*) \(compatibility version (?:\d+\.)*\d+, current version (?:\d+\.)*\d+\)/
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# Mach-O binary methods, see:
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# /usr/include/mach-o/loader.h
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# /usr/include/mach-o/fat.h
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def mach_data
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@mach_data ||= begin
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offsets = []
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mach_data = []
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header = read(8).unpack("N2")
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case header[0]
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when 0xcafebabe # universal
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header[1].times do |i|
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# header[1] is the number of struct fat_arch in the file.
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# Each struct fat_arch is 20 bytes, and the 'offset' member
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# begins 8 bytes into the struct, with an additional 8 byte
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# offset due to the struct fat_header at the beginning of
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# the file.
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offsets << read(4, 20*i + 16).unpack("N")[0]
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end
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when 0xcefaedfe, 0xcffaedfe, 0xfeedface, 0xfeedfacf # Single arch
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offsets << 0
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when 0x7f454c46 # ELF
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mach_data << { :arch => :x86_64, :type => :executable }
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else
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raise "Not a Mach-O binary."
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end
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offsets.each do |offset|
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arch = case read(8, offset).unpack("N2")
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when [0xcefaedfe, 0x07000000] then :i386
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when [0xcffaedfe, 0x07000001] then :x86_64
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when [0xfeedface, 0x00000012] then :ppc7400
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when [0xfeedfacf, 0x01000012] then :ppc64
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else :dunno
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end
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type = case read(4, offset + 12).unpack("N")[0]
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when 0x00000002, 0x02000000 then :executable
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when 0x00000006, 0x06000000 then :dylib
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when 0x00000008, 0x08000000 then :bundle
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else :dunno
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end
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mach_data << { :arch => arch, :type => type }
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end
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mach_data
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rescue
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[]
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end
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end
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def archs
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mach_data.map{ |m| m.fetch :arch }.extend(ArchitectureListExtension)
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end
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def arch
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case archs.length
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when 0 then :dunno
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when 1 then archs.first
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else :universal
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end
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end
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def universal?
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arch == :universal
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end
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def i386?
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arch == :i386
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end
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def x86_64?
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arch == :x86_64
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end
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def ppc7400?
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arch == :ppc7400
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end
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def ppc64?
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arch == :ppc64
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end
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def dylib?
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mach_data.any? { |m| m.fetch(:type) == :dylib }
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end
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def mach_o_executable?
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mach_data.any? { |m| m.fetch(:type) == :executable }
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end
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def mach_o_bundle?
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mach_data.any? { |m| m.fetch(:type) == :bundle }
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end
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class Metadata
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attr_reader :path, :dylib_id, :dylibs
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def initialize(path)
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@path = path
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@dylib_id, @dylibs = parse_otool_L_output
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end
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def parse_otool_L_output
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ENV["HOMEBREW_MACH_O_FILE"] = path.expand_path.to_s
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libs = `#{MacOS.locate("otool")} -L "$HOMEBREW_MACH_O_FILE"`.split("\n")
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libs.shift # first line is the filename
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id = libs.shift[OTOOL_RX, 1] if path.dylib?
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libs.map! { |lib| lib[OTOOL_RX, 1] }.compact!
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return id, libs
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ensure
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ENV.delete "HOMEBREW_MACH_O_FILE"
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end
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end
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def mach_metadata
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@mach_metadata ||= Metadata.new(self)
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end
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# Returns an array containing all dynamically-linked libraries, based on the
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# output of otool. This returns the install names, so these are not guaranteed
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# to be absolute paths.
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# Returns an empty array both for software that links against no libraries,
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# and for non-mach objects.
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def dynamically_linked_libraries
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mach_metadata.dylibs
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end
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def dylib_id
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mach_metadata.dylib_id
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end
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end
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# module ArchitectureListExtension
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# def fat?
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# length > 1
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# end
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#
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# def intel_universal?
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# intersects_all?(Hardware::CPU::INTEL_32BIT_ARCHS, Hardware::CPU::INTEL_64BIT_ARCHS)
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# end
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#
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# def ppc_universal?
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# intersects_all?(Hardware::CPU::PPC_32BIT_ARCHS, Hardware::CPU::PPC_64BIT_ARCHS)
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# end
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#
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# # Old-style 32-bit PPC/Intel universal, e.g. ppc7400 and i386
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# def cross_universal?
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# intersects_all?(Hardware::CPU::PPC_32BIT_ARCHS, Hardware::CPU::INTEL_32BIT_ARCHS)
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# end
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#
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# def universal?
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# intel_universal? || ppc_universal? || cross_universal?
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# end
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#
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# def ppc?
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# (Hardware::CPU::PPC_32BIT_ARCHS+Hardware::CPU::PPC_64BIT_ARCHS).any? {|a| self.include? a}
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# end
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#
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# def remove_ppc!
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# (Hardware::CPU::PPC_32BIT_ARCHS+Hardware::CPU::PPC_64BIT_ARCHS).each {|a| self.delete a}
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# end
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#
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# def as_arch_flags
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# self.collect{ |a| "-arch #{a}" }.join(' ')
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# end
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#
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# def as_cmake_arch_flags
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# self.join(';')
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# end
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#
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# protected
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#
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# def intersects_all?(*set)
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# set.all? do |archset|
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# archset.any? {|a| self.include? a}
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# end
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# end
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# end
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#
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# module MachO
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# OTOOL_RX = /\t(.*) \(compatibility version (?:\d+\.)*\d+, current version (?:\d+\.)*\d+\)/
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#
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# # Mach-O binary methods, see:
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# # /usr/include/mach-o/loader.h
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# # /usr/include/mach-o/fat.h
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#
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# def mach_data
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# @mach_data ||= begin
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# offsets = []
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# mach_data = []
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#
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# header = read(8).unpack("N2")
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# case header[0]
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# when 0xcafebabe # universal
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# header[1].times do |i|
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# # header[1] is the number of struct fat_arch in the file.
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# # Each struct fat_arch is 20 bytes, and the 'offset' member
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# # begins 8 bytes into the struct, with an additional 8 byte
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# # offset due to the struct fat_header at the beginning of
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# # the file.
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# offsets << read(4, 20*i + 16).unpack("N")[0]
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# end
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# when 0xcefaedfe, 0xcffaedfe, 0xfeedface, 0xfeedfacf # Single arch
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# offsets << 0
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# when 0x7f454c46 # ELF
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# mach_data << { :arch => :x86_64, :type => :executable }
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# else
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# raise "Not a Mach-O binary."
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# end
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#
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# offsets.each do |offset|
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# arch = case read(8, offset).unpack("N2")
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# when [0xcefaedfe, 0x07000000] then :i386
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# when [0xcffaedfe, 0x07000001] then :x86_64
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# when [0xfeedface, 0x00000012] then :ppc7400
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# when [0xfeedfacf, 0x01000012] then :ppc64
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# else :dunno
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# end
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#
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# type = case read(4, offset + 12).unpack("N")[0]
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# when 0x00000002, 0x02000000 then :executable
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# when 0x00000006, 0x06000000 then :dylib
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# when 0x00000008, 0x08000000 then :bundle
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# else :dunno
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# end
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#
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# mach_data << { :arch => arch, :type => type }
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# end
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# mach_data
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# rescue
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# []
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# end
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# end
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#
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# def archs
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# mach_data.map{ |m| m.fetch :arch }.extend(ArchitectureListExtension)
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# end
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#
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# def arch
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# case archs.length
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# when 0 then :dunno
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# when 1 then archs.first
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# else :universal
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# end
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# end
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#
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# def universal?
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# arch == :universal
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# end
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#
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# def i386?
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# arch == :i386
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# end
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#
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# def x86_64?
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# arch == :x86_64
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# end
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#
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# def ppc7400?
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# arch == :ppc7400
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# end
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#
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# def ppc64?
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# arch == :ppc64
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# end
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#
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# def dylib?
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# mach_data.any? { |m| m.fetch(:type) == :dylib }
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# end
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#
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# def mach_o_executable?
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# mach_data.any? { |m| m.fetch(:type) == :executable }
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# end
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#
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# def mach_o_bundle?
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# mach_data.any? { |m| m.fetch(:type) == :bundle }
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# end
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#
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# class Metadata
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# attr_reader :path, :dylib_id, :dylibs
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#
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# def initialize(path)
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# @path = path
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# @dylib_id, @dylibs = parse_otool_L_output
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# end
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#
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# def parse_otool_L_output
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# ENV["HOMEBREW_MACH_O_FILE"] = path.expand_path.to_s
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# libs = `#{MacOS.locate("otool")} -L "$HOMEBREW_MACH_O_FILE"`.split("\n")
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#
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# libs.shift # first line is the filename
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#
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# id = libs.shift[OTOOL_RX, 1] if path.dylib?
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# libs.map! { |lib| lib[OTOOL_RX, 1] }.compact!
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#
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# return id, libs
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# ensure
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# ENV.delete "HOMEBREW_MACH_O_FILE"
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# end
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# end
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#
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# def mach_metadata
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# @mach_metadata ||= Metadata.new(self)
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# end
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#
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# # Returns an array containing all dynamically-linked libraries, based on the
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# # output of otool. This returns the install names, so these are not guaranteed
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# # to be absolute paths.
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# # Returns an empty array both for software that links against no libraries,
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# # and for non-mach objects.
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# def dynamically_linked_libraries
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# mach_metadata.dylibs
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# end
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#
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# def dylib_id
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# mach_metadata.dylib_id
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# end
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# end
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