131 lines
4.0 KiB
Ruby
131 lines
4.0 KiB
Ruby
class Keg
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def fix_install_names
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return unless MACOS
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mach_o_files.each do |file|
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install_names_for file do |id, bad_names|
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file.ensure_writable do
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install_name_tool("-id", id, file) if file.dylib?
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bad_names.each do |bad_name|
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new_name = fixed_name(file, bad_name)
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unless new_name == bad_name
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install_name_tool("-change", bad_name, new_name, file)
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end
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end
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end
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end
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end
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end
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def relocate_install_names old_prefix, new_prefix, old_cellar, new_cellar
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mach_o_files.each do |file|
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install_names_for(file, relocate_reject_proc(old_prefix)) do |id, old_prefix_names|
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file.ensure_writable do
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new_prefix_id = id.to_s.gsub old_prefix, new_prefix
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install_name_tool("-id", new_prefix_id, file) if file.dylib?
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old_prefix_names.each do |old_prefix_name|
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new_prefix_name = old_prefix_name.to_s.gsub old_prefix, new_prefix
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install_name_tool("-change", old_prefix_name, new_prefix_name, file)
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end
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end
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end
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install_names_for(file, relocate_reject_proc(old_cellar)) do |id, old_cellar_names|
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file.ensure_writable do
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old_cellar_names.each do |old_cellar_name|
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new_cellar_name = old_cellar_name.to_s.gsub old_cellar, new_cellar
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install_name_tool("-change", old_cellar_name, new_cellar_name, file)
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end
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end
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end
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end
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end
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private
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OTOOL_RX = /\t(.*) \(compatibility version (\d+\.)*\d+, current version (\d+\.)*\d+\)/
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def install_name_tool(*args)
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system(MacOS.locate("install_name_tool"), *args)
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end
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# If file is a dylib or bundle itself, look for the dylib named by
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# bad_name relative to the lib directory, so that we can skip the more
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# expensive recursive search if possible.
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def fixed_name(file, bad_name)
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if (file.dylib? || file.mach_o_bundle?) && (file.parent + bad_name).exist?
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"@loader_path/#{bad_name}"
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elsif file.mach_o_executable? && (lib + bad_name).exist?
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"#{lib}/#{bad_name}"
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elsif (abs_name = find_dylib(Pathname.new(bad_name).basename)) && abs_name.exist?
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abs_name.to_s
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else
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opoo "Could not fix #{bad_name} in #{file}"
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bad_name
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end
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end
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def lib; join 'lib' end
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def default_reject_proc
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Proc.new do |fn|
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# Don't fix absolute paths unless they are rooted in the build directory
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tmp = ENV['HOMEBREW_TEMP'] ? Regexp.escape(ENV['HOMEBREW_TEMP']) : '/tmp'
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fn[0,1] == '/' and not %r[^#{tmp}] === fn
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end
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end
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def relocate_reject_proc(path)
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Proc.new { |fn| not fn.start_with?(path) }
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end
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def install_names_for file, reject_proc=default_reject_proc
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ENV['HOMEBREW_MACH_O_FILE'] = file.to_s # solves all shell escaping problems
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install_names = `#{MacOS.locate("otool")} -L "$HOMEBREW_MACH_O_FILE"`.split "\n"
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install_names.shift # first line is fluff
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install_names.map!{ |s| OTOOL_RX =~ s && $1 }
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# Bundles and executables do not have an ID
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id = install_names.shift if file.dylib?
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install_names.compact!
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install_names.reject!{ |fn| fn =~ /^@(loader_|executable_|r)path/ }
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install_names.reject!{ |fn| reject_proc.call(fn) }
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# the shortpath ensures that library upgrades don’t break installed tools
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relative_path = Pathname.new(file).relative_path_from(self)
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shortpath = HOMEBREW_PREFIX.join(relative_path)
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id = if shortpath.exist?
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shortpath
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else
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"#{HOMEBREW_PREFIX}/opt/#{fname}/#{relative_path}"
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end
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yield id, install_names
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end
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def find_dylib name
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(join 'lib').find do |pn|
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break pn if pn.basename == Pathname.new(name)
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end
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end
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def mach_o_files
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mach_o_files = []
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dirs = %w{bin lib Frameworks}
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dirs.map! { |dir| join(dir) }
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dirs.reject! { |dir| not dir.directory? }
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dirs.each do |dir|
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dir.find do |pn|
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next if pn.symlink? or pn.directory?
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mach_o_files << pn if pn.dylib? or pn.mach_o_bundle? or pn.mach_o_executable?
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end
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end
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mach_o_files
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end
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end
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