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Merge pull request #847 from joshcooper/mac_cross_compile
Correctly patch host ruby 3.2.3 and 3.2.4 when cross compiling
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,145 @@ | ||
| # When cross compiling we need to run gem install using the host ruby, but | ||
| # force ruby to use our overridden rbconfig.rb. To do that, we insert a | ||
| # require statement between the ruby executable and it's first argument, | ||
| # thereby hooking the ruby process. | ||
| # | ||
| # In the future we could use the --target-rbconfig=<path> option to point | ||
| # to our rbconfig.rb. But that option is only available in newer ruby versions. | ||
| require 'rbconfig' | ||
| require 'tempfile' | ||
|
|
||
| if ARGV.length < 2 | ||
| warn <<USAGE | ||
| USAGE: patch-hostruby.rb <target_ruby_version> <target_triple> | ||
| example: patch-hostruby.rb 3.2.2 arm64-darwin | ||
| USAGE | ||
| exit(1) | ||
| end | ||
|
|
||
| # target ruby versions (what we're trying to build) | ||
| target_ruby_version = ARGV[0] | ||
| target_triple = ARGV[1] | ||
| target_api_version = target_ruby_version.gsub(/\.\d*$/, '.0') | ||
|
|
||
| # host ruby (the ruby we execute to build the target) | ||
| host_rubylibdir = RbConfig::CONFIG['rubylibdir'] | ||
| GEM_VERSION = Gem::Version.new(Gem::VERSION) | ||
|
|
||
| # Rewrite the file in-place securely, yielding each line to the caller | ||
| def rewrite(file) | ||
| # create temp file in the same directory as the file we're patching, | ||
| # so rename doesn't cross filesystems | ||
| tmpfile = Tempfile.new(File.basename(file), File.dirname(file)) | ||
| begin | ||
| File.open("#{file}.orig", "w") do |orig| | ||
| File.open(file, 'r').readlines.each do |line| | ||
| orig.write(line) | ||
| yield line | ||
| tmpfile.write(line) | ||
| end | ||
| end | ||
| ensure | ||
| tmpfile.close | ||
| File.unlink(file) | ||
| File.rename(tmpfile.path, file) | ||
| tmpfile.unlink | ||
| end | ||
| end | ||
|
|
||
| # Based on the RUBYGEMS version of the host ruby, the line and file that needs patching is different | ||
| # Note the RUBY version doesn't matter (for either the host or target ruby). | ||
| # | ||
| # Here we define different intervals. For each interval, we specify the regexp to match, what to | ||
| # replace it with, and which file to edit in-place. Note `\&` is a placeholder for whatever the regexp | ||
| # was, that way we can easily append to it. And since it's in a double quoted string, it's escaped | ||
| # as `\\&` | ||
| # | ||
| if GEM_VERSION <= Gem::Version.new('2.0.0') | ||
| # $ git show v2.0.0:lib/rubygems/ext/ext_conf_builder.rb | ||
| # cmd = "#{Gem.ruby} #{File.basename extension}" | ||
| regexp = /{Gem\.ruby}/ | ||
| replace = "\\& -r/opt/puppetlabs/puppet/share/doc/rbconfig-#{target_ruby_version}-orig.rb" | ||
| builder = 'rubygems/ext/ext_conf_builder.rb' | ||
| elsif GEM_VERSION < Gem::Version.new('3.0.0') # there weren't any tags between >= 2.7.11 and < 3.0.0 | ||
| # $ git show v2.0.1:lib/rubygems/ext/ext_conf_builder.rb | ||
| # cmd = [Gem.ruby, File.basename(extension), *args].join ' ' | ||
| # | ||
| # $ git show v2.7.11:lib/rubygems/ext/ext_conf_builder.rb | ||
| # cmd = [Gem.ruby, "-r", get_relative_path(siteconf.path), File.basename(extension), *args].join ' ' | ||
| regexp = /Gem\.ruby/ | ||
| replace = "\\&, '-r/opt/puppetlabs/puppet/share/doc/rbconfig-#{target_ruby_version}-orig.rb'" | ||
| builder = 'rubygems/ext/ext_conf_builder.rb' | ||
| elsif GEM_VERSION <= Gem::Version.new('3.4.8') | ||
| # $ git show v3.0.0:lib/rubygems/ext/ext_conf_builder.rb | ||
| # cmd = Gem.ruby.shellsplit << "-I" << File.expand_path("../../..", __FILE__) << | ||
| # | ||
| # $ git show v3.4.8:lib/rubygems/ext/ext_conf_builder.rb | ||
| # cmd = Gem.ruby.shellsplit << "-I" << File.expand_path("../..", __dir__) << File.basename(extension) | ||
| regexp = /Gem\.ruby\.shellsplit/ | ||
| replace = "\\& << '-r/opt/puppetlabs/puppet/share/doc/rbconfig-#{target_ruby_version}-orig.rb'" | ||
| builder = 'rubygems/ext/ext_conf_builder.rb' | ||
| elsif GEM_VERSION <= Gem::Version.new('3.4.14') | ||
| # NOTE: rubygems 3.4.9 moved the code to builder.rb | ||
| # | ||
| # $ git show v3.4.9:lib/rubygems/ext/builder.rb | ||
| # cmd = Gem.ruby.shellsplit | ||
| # | ||
| # $ git show v3.4.14:lib/rubygems/ext/builder.rb | ||
| # cmd = Gem.ruby.shellsplit | ||
| regexp = /Gem\.ruby\.shellsplit/ | ||
| replace = "\\& << '-r/opt/puppetlabs/puppet/share/doc/rbconfig-#{target_ruby_version}-orig.rb'" | ||
| builder = 'rubygems/ext/builder.rb' | ||
| elsif GEM_VERSION <= Gem::Version.new('3.5.10') | ||
| # $ git show v3.4.9:lib/rubygems/ext/builder.rb | ||
| # cmd = Shellwords.split(Gem.ruby) | ||
| # | ||
| # $ git show v3.5.10:lib/rubygems/ext/builder.rb | ||
| # cmd = Shellwords.split(Gem.ruby) | ||
| regexp = /Shellwords\.split\(Gem\.ruby\)/ | ||
| replace = "\\& << '-r/opt/puppetlabs/puppet/share/doc/rbconfig-#{target_ruby_version}-orig.rb'" | ||
| builder = 'rubygems/ext/builder.rb' | ||
| else | ||
| raise "We don't know how to patch rubygems #{GEM_VERSION}" | ||
| end | ||
|
|
||
| # path to the builder file on the HOST ruby | ||
| builder = File.join(host_rubylibdir, builder) | ||
|
|
||
| raise "We can't patch #{builder} because it doesn't exist" unless File.exist?(builder) | ||
|
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||
| # hook rubygems builder so it loads our rbconfig when building native gems | ||
| patched = false | ||
| rewrite(builder) do |line| | ||
| if line.gsub!(regexp, replace) | ||
| patched = true | ||
| end | ||
| end | ||
|
|
||
| raise "Failed to patch rubygems hook, because we couldn't match #{regexp} in #{builder}" unless patched | ||
|
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||
| puts "Patched '#{regexp.inspect}' in #{builder}" | ||
|
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||
| # solaris 10 uses ruby 2.0 which doesn't install native extensions based on architecture | ||
| if RUBY_PLATFORM !~ /solaris2\.10$/ || RUBY_VERSION != '2.0.0' | ||
| # ensure native extensions are written to a directory that matches the | ||
| # architecture of the target ruby we're building for. To do that we | ||
| # patch the host ruby to pretend to be the target architecture. | ||
| triple_patched = false | ||
| api_version_patched = false | ||
| spec_file = "#{host_rubylibdir}/rubygems/basic_specification.rb" | ||
| rewrite(spec_file) do |line| | ||
| if line.gsub!(/Gem::Platform\.local\.to_s/, "'#{target_triple}'") | ||
| triple_patched = true | ||
| end | ||
| if line.gsub!(/Gem\.extension_api_version/, "'#{target_api_version}'") | ||
| api_version_patched = true | ||
| end | ||
| end | ||
|
|
||
| raise "Failed to patch '#{target_triple}' in #{spec_file}" unless triple_patched | ||
| puts "Patched '#{target_triple}' in #{spec_file}" | ||
|
|
||
| raise "Failed to patch '#{target_api_version}' in #{spec_file}" unless api_version_patched | ||
| puts "Patched '#{target_api_version}' in #{spec_file}" | ||
| end |