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8e5fe13c08
If the following conditions are met:
* You have a default version of fileutils and a higher version of
fileutils installed as a regular gem. This case is common on ruby 2.6.
* You use a bundler generated binstub on a gem setup with a `Gemfile`
using the `gemspec` DSL.
Then `fileutils` redefinition warnings happen because of the following:
The gist of a bundler generated binstub is:
```ruby
require "bundler/setup"
load Gem.bin_path("rake", "rake")
```
First configure bundler, then load the requested gem.
When `require "bundler/setup"` is called under the previously mentioned
setup, `ext_conf_builder.rb` ends up being required because of the new
validation that gemspecs with rake extensions depend on `rake`. And that
loads the latest version of `fileutils` because of using "rubygems
monkeypatched require" that auto-chooses the latest version of default
gems.
After that, when `Gem.bin_path` gets called, `ext_conf_builder.rb` gets
required again, but this time already using "bundler's unmonkeypatched
require" which means the default version is chosen and thus the
redefinition warning happens.
The solution as usual is to lazily load `fileutils`.
08d64e5f06
96 lines
2.9 KiB
Ruby
96 lines
2.9 KiB
Ruby
# frozen_string_literal: true
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#--
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# Copyright 2006 by Chad Fowler, Rich Kilmer, Jim Weirich and others.
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# All rights reserved.
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# See LICENSE.txt for permissions.
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#++
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require 'shellwords'
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class Gem::Ext::ExtConfBuilder < Gem::Ext::Builder
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def self.build(extension, dest_path, results, args=[], lib_dir=nil)
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require 'fileutils'
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require 'tempfile'
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tmp_dest = Dir.mktmpdir(".gem.", ".")
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# Some versions of `mktmpdir` return absolute paths, which will break make
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# if the paths contain spaces. However, on Ruby 1.9.x on Windows, relative
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# paths cause all C extension builds to fail.
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#
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# As such, we convert to a relative path unless we are using Ruby 1.9.x on
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# Windows. This means that when using Ruby 1.9.x on Windows, paths with
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# spaces do not work.
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#
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# Details: https://github.com/rubygems/rubygems/issues/977#issuecomment-171544940
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tmp_dest = get_relative_path(tmp_dest)
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Tempfile.open %w[siteconf .rb], "." do |siteconf|
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siteconf.puts "require 'rbconfig'"
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siteconf.puts "dest_path = #{tmp_dest.dump}"
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%w[sitearchdir sitelibdir].each do |dir|
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siteconf.puts "RbConfig::MAKEFILE_CONFIG['#{dir}'] = dest_path"
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siteconf.puts "RbConfig::CONFIG['#{dir}'] = dest_path"
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end
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siteconf.close
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destdir = ENV["DESTDIR"]
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begin
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cmd = Gem.ruby.shellsplit << "-I" << File.expand_path("../../..", __FILE__) <<
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"-r" << get_relative_path(siteconf.path) << File.basename(extension)
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cmd.push(*args)
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begin
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run(cmd, results) do |s, r|
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if File.exist? 'mkmf.log'
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unless s.success?
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r << "To see why this extension failed to compile, please check" \
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" the mkmf.log which can be found here:\n"
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r << " " + File.join(dest_path, 'mkmf.log') + "\n"
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end
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FileUtils.mv 'mkmf.log', dest_path
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end
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end
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siteconf.unlink
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end
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ENV["DESTDIR"] = nil
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make dest_path, results
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if tmp_dest
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# TODO remove in RubyGems 3
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if Gem.install_extension_in_lib and lib_dir
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FileUtils.mkdir_p lib_dir
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entries = Dir.entries(tmp_dest) - %w[. ..]
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entries = entries.map { |entry| File.join tmp_dest, entry }
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FileUtils.cp_r entries, lib_dir, :remove_destination => true
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end
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FileUtils::Entry_.new(tmp_dest).traverse do |ent|
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destent = ent.class.new(dest_path, ent.rel)
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destent.exist? or FileUtils.mv(ent.path, destent.path)
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end
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end
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ensure
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ENV["DESTDIR"] = destdir
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siteconf.close!
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end
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end
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results
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ensure
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FileUtils.rm_rf tmp_dest if tmp_dest
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end
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private
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def self.get_relative_path(path)
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path[0..Dir.pwd.length - 1] = '.' if path.start_with?(Dir.pwd)
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path
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end
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end
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