mkvtoolnix/packaging/windows/copy_dll_dependencies.rb

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#!/usr/bin/env ruby
$mtx_dir = File.realpath(File.dirname(__FILE__) + "/../..")
require "fileutils"
require "find"
require "pp"
require "shellwords"
require "#{$mtx_dir}/rake.d/config"
ENV['LC_MESSAGES'] = 'C'
$title = "CopyDLLDependencies"
$config = read_config_file("#{$mtx_dir}/build-config")
$mxe_dir = File.realpath(File.dirname(`which #{Shellwords.escape(c(:CXX))}`.chomp) + "/../#{c(:host)}")
$dll_locations = {}
$dependencies = {}
%w{advapi32 d3d9 dwmapi dxva2 evr gdi32 imm32 iphlpapi kernel32 libmtxcommon.dll mf mfplat msvcrt powrprof shell32 ole32 oleaut32 user32 uxtheme winmm winspool.drv ws2_32}.each do |name|
name += ".dll" unless %r{\.}.match(name)
$dependencies[name] = true
end
def info text
return unless (ENV["DEBUG"] || "0").to_i == 1
puts "#{$title}: #{text}"
end
def locate_dlls base_path
info "locating DLLs"
$dll_locations = {}
Find.find(base_path) do |path|
next unless FileTest.file?(path) and %r{\.dll}i.match(path)
base_name = File.basename(path)
if $dll_locations.key?(base_name.downcase)
raise "More than one location for DLL '#{base_name}': #{$dll_locations[base_name]} and #{path}"
end
$dll_locations[base_name.downcase] = path
end
end
def locate_dependencies file
`#{Shellwords.escape(c(:OBJDUMP))} -x #{Shellwords.escape(file)} 2>&1`.
split(%r{\n+}).
select { |line| %r{^\s+dll\s+name\s*:}i.match(line) }.
map { |line| line.gsub(%r{.*:\s*|\s*$}, '') }.
each do |dll_name|
dll_name_l = dll_name.downcase
next if $dependencies[dll_name_l]
if !$dll_locations[dll_name_l]
raise "Dependency for '#{file}' not found: #{dll_name}"
end
$dependencies[dll_name_l] = $dll_locations[dll_name_l]
locate_dependencies dll_name
end
end
def copy_dlls
to_copy = $dependencies.values.select { |entry| entry.is_a?(String) }.sort
info "copying #{to_copy.size} DLLs"
to_copy.each { |dll| FileUtils.cp dll, "." }
end
if ARGV.size < 1
info "error: need at least one argument: a file to locate dependencies for"
exit 1
end
locate_dlls($mxe_dir)
info "locating dependencies"
ARGV.each { |file| locate_dependencies(file) }
copy_dlls