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807c13cc61
* ext/zlib/extconf.rb: detect z_crc_t type which will be defined since zlib-1.2.7. * ext/zlib/zlib.c (rb_zlib_crc_table): use z_crc_t if available. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_9_3@36939 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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raise "invalid OS_CODE `#{os_code}'"
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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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have_type('z_crc_t', 'zlib.h')
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create_makefile('zlib')
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end
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