def build_extensions
return if spec.extensions.empty?
say "Building native extensions. This could take a while..."
dest_path = File.join gem_dir, spec.require_paths.first
ran_rake = false
spec.extensions.each do |extension|
break if ran_rake
results = []
builder = case extension
when /extconf/ then
Gem::Ext::ExtConfBuilder
when /configure/ then
Gem::Ext::ConfigureBuilder
when /rakefile/i, /mkrf_conf/i then
ran_rake = true
Gem::Ext::RakeBuilder
else
results = ["No builder for extension '#{extension}'"]
nil
end
extension_dir = begin
File.join gem_dir, File.dirname(extension)
rescue TypeError
gem_dir
end
begin
Dir.chdir extension_dir do
results = builder.build(extension, gem_dir, dest_path, results)
say results.join("\n") if Gem.configuration.really_verbose
end
rescue
results = results.join "\n"
gem_make_out = File.join extension_dir, 'gem_make.out'
open gem_make_out, 'wb' do |io| io.puts results end
message = "ERROR: Failed to build gem native extension.\n\n\#{results}\n\nGem files will remain installed in \#{gem_dir} for inspection.\nResults logged to \#{gem_make_out}\n"
raise ExtensionBuildError, message
end
end
end