1 files changed, 51 insertions, 0 deletions
diff --git a/ruby_1_8_6/ext/iconv/extconf.rb b/ruby_1_8_6/ext/iconv/extconf.rb
new file mode 100644
index 0000000000..a9d0cfb5e6
--- /dev/null
+++ b/ruby_1_8_6/ext/iconv/extconf.rb
@@ -0,0 +1,51 @@
+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