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#
# extconf.rb
#
# $Id: extconf.rb,v 1.12 2003/06/18 15:00:38 katsu Exp $
#
require 'mkmf'
require 'rbconfig'
unless respond_to? :try_compile then
class << self
alias try_compile try_link
end
end
unless respond_to? :message then
def message(s)
printf s
$stdout.flush
end
end
def have_ruby_func(s)
oldlibs = $libs
oldlibpath = $LIBPATH
$libs += " " + Config::CONFIG['LIBRUBYARG']
$LIBPATH = [$libdir, $archdir || Config::CONFIG["compile_dir"]] | $LIBPATH
begin
have_func s, 'ruby.h'
rescue ArgumentError # for ruby-1.4
have_func s
ensure
$libs = oldlibs
$LIBPATH = oldlibpath
end
end
dir_config 'zlib'
if %w'z libz zlib'.find {|z| have_library(z, 'deflateReset')} and
have_header('zlib.h') then
defines = []
have_ruby_func 'rb_block_given_p' # for ruby-1.4
have_ruby_func 'rb_str_buf_new' # for ruby-1.6
have_ruby_func 'rb_io_print' # for ruby-1.6
have_ruby_func 'rb_io_printf' # for ruby-1.6
have_ruby_func 'rb_io_puts' # for ruby-1.6
have_ruby_func 'rb_io_addstr' # for ruby-1.6
have_ruby_func 'rb_define_alloc_func' # for ruby-1.6
have_ruby_func 'rb_undef_alloc_func' # for ruby-1.6
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 'mswin32', 'mingw32', 'bccwin32' 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}"
unless enable_config('transitional', true) then
defines << 'TRANSITIONAL=0'
end
defines = defines.collect{|d|' -D'+d}.join
if $CPPFLAGS then
$CPPFLAGS += defines
else
$CFLAGS += defines
end
create_makefile('zlib')
end
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