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require 'mkmf'
dir_config("iconv")
conf = File.exist?(File.join($srcdir, "config.charset"))
conf = with_config("config-charset", enable_config("config-charset", conf))
if have_func("iconv", "iconv.h") or
have_library("iconv", "iconv", "iconv.h")
if checking_for("const of iconv() 2nd argument") do
create_tmpsrc(cpp_include("iconv.h") + "---> iconv(cd,0,0,0,0) <---")
src = xpopen(cpp_command("")) {|f|f.read}
if !(func = src[/^--->\s*(\w+).*\s*<---/, 1])
Logging::message "iconv function name not found"
false
elsif !(second = src[%r"\b#{func}\s*\(.*?,(.*?),.*?\)\s*;"m, 1])
Logging::message "prototype for #{func}() not found"
false
else
Logging::message $&+"\n"
/\bconst\b/ =~ second
end
end
$defs.push('-DICONV_INPTR_CONST')
end
if conf
prefix = '$(srcdir)'
prefix = $nmake ? "{#{prefix}}" : "#{prefix}/"
if $extout
wrapper = "$(RUBYARCHDIR)/iconv.rb"
else
wrapper = "./iconv.rb"
$INSTALLFILES = [[wrapper, "$(RUBYARCHDIR)"]]
end
if String === conf
require 'uri'
scheme = URI.parse(conf).scheme
else
conf = "$(srcdir)/config.charset"
end
$cleanfiles << wrapper
end
create_makefile("iconv")
if conf
open("Makefile", "a") do |mf|
mf.print("\nall: #{wrapper}\n\n#{wrapper}: #{prefix}charset_alias.rb")
mf.print(" ", conf) unless scheme
mf.print("\n\t$(RUBY) $(srcdir)/charset_alias.rb #{conf} $@\n")
end
end
end
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