require 'mkmf'
require 'rbconfig'
if Config::CONFIG['host_os'] =~ /cygwin|win32|windows/ then
 need_windows_h = [ 'windows.h' ]
 $defs << ' -DNEED_WINDOWS_H' else need_windows_h = [ ] end if not have_library('jit', 'jit_init', need_windows_h + ["jit/jit.h"]) then $stderr.puts "libjit not found" exit 1 end if not have_macro("SIZEOF_VALUE", "ruby.h") then check_sizeof("VALUE", "ruby.h") end if not have_macro("SIZEOF_ID", "ruby.h") then check_sizeof("ID", "ruby.h") end if have_macro("_GNU_SOURCE", "ruby.h") then $defs.push("-DRUBY_DEFINES_GNU_SOURCE") end have_func("rb_class_boot", "ruby.h") have_func("rb_errinfo", "ruby.h") have_func('fmemopen') have_func("rb_ensure", "ruby.h") if have_header('ruby/node.h') then # ruby.h defines HAVE_RUBY_NODE_H, even though it is not there $defs.push("-DREALLY_HAVE_RUBY_NODE_H") elsif have_header('node.h') then # okay else $defs.push("-DNEED_MINIMAL_NODE") end have_header('env.h') checking_for("whether VALUE is a pointer") do if not try_link(<<"src") #include <ruby.h>
int main()
{
 VALUE v;
 v /= 5;
}
SRC
 then
 $defs.push("-DVALUE_IS_PTR");
 end
end
if defined?(RUBY_ENGINE) and RUBY_ENGINE == 'rbx' then
 $defs.push("-DHAVE_RUBINIUS")
end
rb_files = Dir['*.rb']
rpp_files = Dir['*.rpp']
generated_files = rpp_files.map { &#124;f&#124; f.sub(/\.rpp$/, '') }
srcs = Dir['*.c']
generated_files.each do &#124;f&#124;
 if f =~ /\.c$/ then
 srcs << f
 end
end
srcs.uniq!
$objs = srcs.map { &#124;f&#124; f.sub(/\.c$/, ".#{$OBJEXT}") }
if Config::CONFIG['CC'] == 'gcc' then
 # $CFLAGS << ' -Wall -g -pedantic -Wno-long-long'
 $CFLAGS << ' -Wall -g'
end
create_makefile("jit")
append_to_makefile = ''
rpp_files.each do &#124;rpp_file&#124;
dest_file = rpp_file.sub(/\.rpp$/, '')
append_to_makefile << <<end
#{dest_file}: #{rpp_file} #{rb_files.join(' ')}
	$(RUBY) rubypp.rb #{rpp_file} #{dest_file}
END
end
generated_headers = generated_files.select { &#124;x&#124; x =~ /\.h$/ &#124;&#124; x =~ /\.inc$/ }
append_to_makefile << <<end
$(OBJS): #{generated_headers.join(' ')}
clean: clean_generated_files
clean_generated_files:
	@$(RM) #{generated_files.join(' ')}
install: $(includedir)/rubyjit.h
$(includedir)/rubyjit.h: rubyjit.h
	$(INSTALL_PROG) rubyjit.h $(includedir)
END
File.open('Makefile', 'a') do &#124;makefile&#124;
 makefile.puts(append_to_makefile)
end
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<p><a href="http://altstyle.alfasado.net">AltStyle</a> によって変換されたページ <a href="https://cgit.git.savannah.gnu.org/cgit/libjit.git/plain/jitruby/ext/extconf.rb">(-&gt;オリジナル)</a>
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