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require 'find'
class Keg
def fix_install_names
mach_o_files.each do |file|
bad_install_names_for file do |id, bad_names|
file.ensure_writable do
system MacOS.locate("install_name_tool"), "-id", id, file if file.dylib?
bad_names.each do |bad_name|
new_name = bad_name
new_name = Pathname.new(bad_name).basename unless (file.parent + new_name).exist?
# First check to see if the dylib is present in the current
# directory, so we can skip the more expensive search.
if (file.parent + new_name).exist?
system MacOS.locate("install_name_tool"), "-change", bad_name, "@loader_path/#{new_name}", file
else
# Otherwise, try and locate the appropriate dylib by walking
# the entire 'lib' tree recursively.
abs_name = (self+'lib').find do |pn|
break pn if pn.basename == Pathname.new(new_name)
end
if abs_name and abs_name.exist?
system MacOS.locate("install_name_tool"), "-change", bad_name, abs_name, file
else
opoo "Could not fix install names for #{file}"
end
end
end
end
end
end
end
private
OTOOL_RX = /\t(.*) \(compatibility version (\d+\.)*\d+, current version (\d+\.)*\d+\)/
def bad_install_names_for file
ENV['HOMEBREW_MACH_O_FILE'] = file.to_s # solves all shell escaping problems
install_names = `#{MacOS.locate("otool")} -L "$HOMEBREW_MACH_O_FILE"`.split "\n"
install_names.shift # first line is fluff
install_names.map!{ |s| OTOOL_RX =~ s && $1 }
# Bundles don't have an ID
id = install_names.shift unless file.mach_o_bundle?
install_names.compact!
install_names.reject!{ |fn| fn =~ /^@(loader|executable)_path/ }
# Don't fix absolute paths unless they are rooted in the build directory
install_names.reject! do |fn|
tmp = ENV['HOMEBREW_TEMP'] ? Regexp.escape(ENV['HOMEBREW_TEMP']) : '/tmp'
fn[0,1] == '/' and not %r[^#{tmp}] === fn
end
# the shortpath ensures that library upgrades don’t break installed tools
shortpath = HOMEBREW_PREFIX + Pathname.new(file).relative_path_from(self)
id = if shortpath.exist? then shortpath else file end
yield id, install_names
end
def mach_o_files
mach_o_files = []
if (lib = join 'lib').directory?
lib.find do |pn|
next if pn.symlink? or pn.directory?
mach_o_files << pn if pn.dylib? or pn.mach_o_bundle?
end
end
mach_o_files
end
end
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