# frozen_string_literal: true
#--
# Copyright 2006 by Chad Fowler, Rich Kilmer, Jim Weirich and others.
# All rights reserved.
# See LICENSE.txt for permissions.
#++
class Gem::Ext::ExtConfBuilder < Gem::Ext::Builder
def self.build(extension, dest_path, results, args=[], lib_dir=nil, extension_dir=Dir.pwd,
target_rbconfig=Gem.target_rbconfig)
require "fileutils"
require "tempfile"
tmp_dest = Dir.mktmpdir(".gem.", extension_dir)
# Some versions of `mktmpdir` return absolute paths, which will break make
# if the paths contain spaces.
#
# As such, we convert to a relative path.
tmp_dest_relative = get_relative_path(tmp_dest.clone, extension_dir)
destdir = ENV["DESTDIR"]
begin
cmd = ruby << File.basename(extension)
cmd << "--target-rbconfig=#{target_rbconfig.path}" if target_rbconfig.path
cmd.push(*args)
run(cmd, results, class_name, extension_dir) do |s, r|
mkmf_log = File.join(extension_dir, "mkmf.log")
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
ENV["DESTDIR"] = nil
make dest_path, results, extension_dir, tmp_dest_relative, target_rbconfig: target_rbconfig
full_tmp_dest = File.join(extension_dir, tmp_dest_relative)
is_cross_compiling = target_rbconfig["platform"] != RbConfig::CONFIG["platform"]
# Do not copy extension libraries by default when cross-compiling
# not to conflict with the one already built for the host platform.
if Gem.install_extension_in_lib && lib_dir && !is_cross_compiling
FileUtils.mkdir_p lib_dir
entries = Dir.entries(full_tmp_dest) - %w[. ..]
entries = entries.map {|entry| File.join full_tmp_dest, entry }
FileUtils.cp_r entries, lib_dir, remove_destination: true
end
FileUtils::Entry_.new(full_tmp_dest).traverse do |ent|
destent = ent.class.new(dest_path, ent.rel)
destent.exist? || FileUtils.mv(ent.path, destent.path)
end
make dest_path, results, extension_dir, tmp_dest_relative, ["clean"], target_rbconfig: target_rbconfig
ensure
ENV["DESTDIR"] = destdir
end
results
ensure
FileUtils.rm_rf tmp_dest if tmp_dest
end
def self.get_relative_path(path, base)
path[0..base.length - 1] = "." if path.start_with?(base)
path
end
end
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