зеркало из https://github.com/github/ruby.git
79 строки
2.7 KiB
Ruby
79 строки
2.7 KiB
Ruby
# -*- coding: us-ascii -*-
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# frozen_string_literal: true
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require 'mkmf'
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if $mswin or $mingw or $cygwin
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$CPPFLAGS << " -DYAML_DECLARE_STATIC"
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end
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yaml_source = with_config("libyaml-source-dir") || enable_config("bundled-libyaml", false)
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unless yaml_source # default to pre-installed libyaml
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pkg_config('yaml-0.1')
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dir_config('libyaml')
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unless find_header('yaml.h') && find_library('yaml', 'yaml_get_version')
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yaml_source = true # fallback to the bundled source if exists
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end
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end
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if yaml_source == true
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# search the latest libyaml source under $srcdir
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yaml_source = Dir.glob("#{$srcdir}/yaml{,-*}/").max_by {|n| File.basename(n).scan(/\d+/).map(&:to_i)}
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unless yaml_source
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download_failure = "failed to download libyaml source. Try manually installing libyaml?"
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begin
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require_relative '../../tool/extlibs.rb'
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rescue LoadError
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# When running in ruby/ruby, we use miniruby and don't have stdlib.
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# Avoid LoadError because it aborts the whole build. Usually when
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# stdlib extension fail to configure we skip it and continue.
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raise download_failure
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end
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extlibs = ExtLibs.new(cache_dir: File.expand_path("../../tmp/download_cache", $srcdir))
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unless extlibs.process_under($srcdir)
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raise download_failure
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end
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yaml_source, = Dir.glob("#{$srcdir}/yaml-*/")
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raise "libyaml not found" unless yaml_source
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end
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elsif yaml_source
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yaml_source = yaml_source.gsub(/\$\((\w+)\)|\$\{(\w+)\}/) {ENV[$1||$2]}
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end
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if yaml_source
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yaml_source = yaml_source.chomp("/")
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yaml_configure = "#{File.expand_path(yaml_source)}/configure"
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unless File.exist?(yaml_configure)
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raise "Configure script not found in #{yaml_source.quote}"
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end
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puts("Configuring libyaml source in #{yaml_source.quote}")
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yaml = "libyaml"
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Dir.mkdir(yaml) unless File.directory?(yaml)
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shared = $enable_shared || !$static
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args = [
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yaml_configure,
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"--enable-#{shared ? 'shared' : 'static'}",
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"--host=#{RbConfig::CONFIG['host'].sub(/-unknown-/, '-')}",
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"CC=#{RbConfig::CONFIG['CC']}",
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*(["CFLAGS=-w"] if RbConfig::CONFIG["GCC"] == "yes"),
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]
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puts(args.quote.join(' '))
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unless system(*args, chdir: yaml)
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raise "failed to configure libyaml"
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end
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inc = yaml_source.start_with?("#$srcdir/") ? "$(srcdir)#{yaml_source[$srcdir.size..-1]}" : yaml_source
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$INCFLAGS << " -I#{yaml}/include -I#{inc}/include"
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puts("INCFLAGS=#$INCFLAGS")
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libyaml = "libyaml.#$LIBEXT"
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$cleanfiles << libyaml
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$LOCAL_LIBS.prepend("$(LIBYAML) ")
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end
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create_makefile 'psych' do |mk|
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mk << "LIBYAML = #{libyaml}".strip << "\n"
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mk << "LIBYAML_OBJDIR = libyaml/src#{shared ? '/.libs' : ''}\n"
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mk << "OBJEXT = #$OBJEXT"
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mk << "RANLIB = #{config_string('RANLIB') || config_string('NULLCMD')}\n"
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end
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# :startdoc:
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