def self.build(extension, directory, dest_path, results, args=[], lib_dir=nil)
tmp_dest = Dir.mktmpdir(".gem.", ".")
tmp_dest = get_relative_path(tmp_dest) unless Gem.win_platform? && RUBY_VERSION <= '2.0'
Tempfile.open %w"siteconf .rb", "." do |siteconf|
siteconf.puts "require 'rbconfig'"
siteconf.puts "dest_path = #{tmp_dest.dump}"
%w[sitearchdir sitelibdir].each do |dir|
siteconf.puts "RbConfig::MAKEFILE_CONFIG['#{dir}'] = dest_path"
siteconf.puts "RbConfig::CONFIG['#{dir}'] = dest_path"
end
siteconf.close
destdir = ENV["DESTDIR"]
begin
cmd = [Gem.ruby, "-r", get_relative_path(siteconf.path), File.basename(extension), *args].join ' '
begin
run cmd, results
ensure
if File.exist? 'mkmf.log'
unless $?.success? then
results << "To see why this extension failed to compile, please check" \
" the mkmf.log which can be found here:\n"
results << " " + File.join(dest_path, 'mkmf.log') + "\n"
end
FileUtils.mv 'mkmf.log', dest_path
end
siteconf.unlink
end
ENV["DESTDIR"] = nil
make dest_path, results
if tmp_dest
if Gem.install_extension_in_lib and lib_dir then
FileUtils.mkdir_p lib_dir
entries = Dir.entries(tmp_dest) - %w[. ..]
entries = entries.map { |entry| File.join tmp_dest, entry }
FileUtils.cp_r entries, lib_dir, :remove_destination => true
end
FileEntry.new(tmp_dest).traverse do |ent|
destent = ent.class.new(dest_path, ent.rel)
destent.exist? or FileUtils.mv(ent.path, destent.path)
end
end
ensure
ENV["DESTDIR"] = destdir
siteconf.close!
end
end
results
ensure
FileUtils.rm_rf tmp_dest if tmp_dest
end