* ext/curses/extconf.rb: use try_static_assert.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@18180 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,7 @@
+Wed Jul 23 13:53:36 2008  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* ext/curses/extconf.rb: use try_static_assert.
+
 Wed Jul 23 10:06:19 2008  Kazuhiro NISHIYAMA  <zn@mbf.nifty.com>
 
 	* test/zlib/test_zlib.rb (TestZlibDeflate#test_params): suppress a

ext/curses/extconf.rb

@@ -24,8 +24,7 @@ if make
     have_func(f) || (have_macro(f, curses) && $defs.push(format("-DHAVE_%s", f.upcase)))
   end
   flag = "-D_XOPEN_SOURCE_EXTENDED"
-  src = "int test_var[(sizeof(char*)>sizeof(int))*2-1];"
-  if try_compile(cpp_include(%w[stdio.h stdlib.h]+curses)+src , flag)
+  if try_static_assert("sizeof(char*)>sizeof(int)", %w[stdio.h stdlib.h]+curses , flag)
     $defs << flag
   end
   create_makefile("curses")