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				synced 2022-11-09 12:17:21 -05:00 
			
		
		
		
	supported on Zlib 1.2.2.1, so check them for old zlib. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@26353 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
		
			
				
	
	
		
			64 lines
		
	
	
	
		
			1.4 KiB
		
	
	
	
		
			Ruby
		
	
	
	
	
	
			
		
		
	
	
			64 lines
		
	
	
	
		
			1.4 KiB
		
	
	
	
		
			Ruby
		
	
	
	
	
	
#
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# extconf.rb
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#
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# $Id$
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#
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require 'mkmf'
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require 'rbconfig'
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dir_config 'zlib'
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if %w'z libz zlib1 zlib zdll'.find {|z| have_library(z, 'deflateReset')} and
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    have_header('zlib.h') then
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  defines = []
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  message 'checking for kind of operating system... '
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  os_code = with_config('os-code') ||
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    case RUBY_PLATFORM.split('-',2)[1]
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    when 'amigaos' then
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      os_code = 'AMIGA'
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    when /\Aos2[\-_]emx\z/ then
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      os_code = 'OS2'
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    when /mswin|mingw|bccwin/ then
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      # NOTE: cygwin should be regarded as Unix.
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      os_code = 'WIN32'
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    else
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      os_code = 'UNIX'
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    end
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  os_code = 'OS_' + os_code.upcase
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  OS_NAMES = {
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    'OS_MSDOS'   => 'MS-DOS',
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    'OS_AMIGA'   => 'Amiga',
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    'OS_VMS'     => 'VMS',
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    'OS_UNIX'    => 'Unix',
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    'OS_ATARI'   => 'Atari',
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    'OS_OS2'     => 'OS/2',
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    'OS_MACOS'   => 'MacOS',
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    'OS_TOPS20'  => 'TOPS20',
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    'OS_WIN32'   => 'Win32',
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    'OS_VMCMS'   => 'VM/CMS',
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    'OS_ZSYSTEM' => 'Z-System',
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    'OS_CPM'     => 'CP/M',
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    'OS_QDOS'    => 'QDOS',
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    'OS_RISCOS'  => 'RISCOS',
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    'OS_UNKNOWN' => 'Unknown',
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  }
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  unless OS_NAMES.key? os_code then
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    puts "invalid OS_CODE `#{os_code}'"
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    exit
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  end
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  message "#{OS_NAMES[os_code]}\n"
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  defines << "OS_CODE=#{os_code}"
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  $defs.concat(defines.collect{|d|' -D'+d})
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  have_func('crc32_combine', 'zlib.h')
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  have_func('adler32_combine', 'zlib.h')
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  create_makefile('zlib')
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end
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