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# frozen_string_literal: true
#--
# Copyright 2006 by Chad Fowler, Rich Kilmer, Jim Weirich and others.
# All rights reserved.
# See LICENSE.txt for permissions.
#++
require 'shellwords'
class Gem::Ext::ExtConfBuilder < Gem::Ext::Builder
def self.build(extension, dest_path, results, args=[], lib_dir=nil)
require 'fileutils'
require 'tempfile'
tmp_dest = Dir.mktmpdir(".gem.", ".")
# Some versions of `mktmpdir` return absolute paths, which will break make
# if the paths contain spaces. However, on Ruby 1.9.x on Windows, relative
# paths cause all C extension builds to fail.
#
# As such, we convert to a relative path unless we are using Ruby 1.9.x on
# Windows. This means that when using Ruby 1.9.x on Windows, paths with
# spaces do not work.
#
# Details: https://github.com/rubygems/rubygems/issues/977#issuecomment-171544940
tmp_dest = get_relative_path(tmp_dest)
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.shellsplit << "-I" << File.expand_path("../../..", __FILE__) <<
"-r" << get_relative_path(siteconf.path) << File.basename(extension)
cmd.push(*args)
begin
run(cmd, results) do |s, r|
if File.exist? 'mkmf.log'
unless s.success?
r << "To see why this extension failed to compile, please check" \
" the mkmf.log which can be found here:\n"
r << " " + File.join(dest_path, 'mkmf.log') + "\n"
end
FileUtils.mv 'mkmf.log', dest_path
end
end
siteconf.unlink
end
ENV["DESTDIR"] = nil
make dest_path, results
if tmp_dest
# TODO remove in RubyGems 3
if Gem.install_extension_in_lib and lib_dir
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
FileUtils::Entry_.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
private
def self.get_relative_path(path)
path[0..Dir.pwd.length - 1] = '.' if path.start_with?(Dir.pwd)
path
end
end
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