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ruby--ruby/ext/zlib/extconf.rb
usa d842fce66e * ext/zlib/{extconf.rb, zlib.c): crc32_combine and adler32_combine is
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
2010-01-19 05:14:29 +00:00

64 lines
1.4 KiB
Ruby

#
# extconf.rb
#
# $Id$
#
require 'mkmf'
require 'rbconfig'
dir_config 'zlib'
if %w'z libz zlib1 zlib zdll'.find {|z| have_library(z, 'deflateReset')} and
have_header('zlib.h') then
defines = []
message 'checking for kind of operating system... '
os_code = with_config('os-code') ||
case RUBY_PLATFORM.split('-',2)[1]
when 'amigaos' then
os_code = 'AMIGA'
when /\Aos2[\-_]emx\z/ then
os_code = 'OS2'
when /mswin|mingw|bccwin/ then
# NOTE: cygwin should be regarded as Unix.
os_code = 'WIN32'
else
os_code = 'UNIX'
end
os_code = 'OS_' + os_code.upcase
OS_NAMES = {
'OS_MSDOS' => 'MS-DOS',
'OS_AMIGA' => 'Amiga',
'OS_VMS' => 'VMS',
'OS_UNIX' => 'Unix',
'OS_ATARI' => 'Atari',
'OS_OS2' => 'OS/2',
'OS_MACOS' => 'MacOS',
'OS_TOPS20' => 'TOPS20',
'OS_WIN32' => 'Win32',
'OS_VMCMS' => 'VM/CMS',
'OS_ZSYSTEM' => 'Z-System',
'OS_CPM' => 'CP/M',
'OS_QDOS' => 'QDOS',
'OS_RISCOS' => 'RISCOS',
'OS_UNKNOWN' => 'Unknown',
}
unless OS_NAMES.key? os_code then
puts "invalid OS_CODE `#{os_code}'"
exit
end
message "#{OS_NAMES[os_code]}\n"
defines << "OS_CODE=#{os_code}"
$defs.concat(defines.collect{|d|' -D'+d})
have_func('crc32_combine', 'zlib.h')
have_func('adler32_combine', 'zlib.h')
create_makefile('zlib')
end