* lib/mkmf.rb (try_func): accept variable address.

* ext/win32ole/extconf.rb: libuuid is needed on cygwin.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@29746 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,9 @@
+Thu Nov 11 21:32:09 2010  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* lib/mkmf.rb (try_func): accept variable address.
+
+	* ext/win32ole/extconf.rb: libuuid is needed on cygwin.
+
 Thu Nov 11 21:24:36 2010  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* file.c (file_expand_path): use cygwin_conv_path on cygwin 1.7 or

ext/win32ole/extconf.rb

@@ -4,7 +4,13 @@
 #----------------------------------
 require 'mkmf'
 
-dir_config("win32")
+case RUBY_PLATFORM
+when /cygwin/
+  inc = nil
+  lib = '/usr/lib/w32api'
+end
+
+dir_config("win32", inc, lib)
 
 SRCFILES=<<SRC
 win32ole.c
@@ -19,7 +25,7 @@ end
 def create_win32ole_makefile
   if have_library("ole32") and
      have_library("oleaut32") and
-     have_library("uuid") and
+     have_library("uuid", "&CLSID_CMultiLanguage", "mlang.h") and
      have_library("user32") and
      have_library("kernel32") and
      have_library("advapi32") and

lib/mkmf.rb

@@ -583,13 +583,20 @@ end
 #             names of header files.
 def try_func(func, libs, headers = nil, &b)
   headers = cpp_include(headers)
+  case func
+  when /^&/
+    decltype = proc {|x|"const volatile void *#{x}"}
+  else
+    call = true
+    decltype = proc {|x| "void ((*#{x})())"}
+  end
   try_link(<<"SRC", libs, &b) or
 #{headers}
 /*top*/
 #{MAIN_DOES_NOTHING}
-int t() { void ((*volatile p)()); p = (void ((*)()))#{func}; return 0; }
+int t() { #{decltype["volatile p"]}; p = (#{decltype[]})#{func}; return 0; }
 SRC
-  try_link(<<"SRC", libs, &b)
+  call && try_link(<<"SRC", libs, &b)
 #{headers}
 /*top*/
 #{MAIN_DOES_NOTHING}