* ext/readline/readline.c (Init_readline): use rl_catch_sigwinch only

when existing.

	* ext/readline/extconf.rb: check existance of rl_catch_sigwinch, and
	  workaround for native Win32 readline port.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@24171 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,11 @@
+Fri Jul 17 22:29:21 2009  NAKAMURA Usaku  <usa@ruby-lang.org>
+
+	* ext/readline/readline.c (Init_readline): use rl_catch_sigwinch only
+	  when existing.
+
+	* ext/readline/extconf.rb: check existance of rl_catch_sigwinch, and
+	  workaround for native Win32 readline port.
+
 Fri Jul 17 18:18:23 2009  Tanaka Akira  <akr@fsij.org>
 
 	* range.c (recursive_hash): extracted from range_hash.  reject

ext/readline/extconf.rb

@@ -65,6 +65,7 @@ have_readline_var("rl_line_buffer")
 have_readline_var("rl_point")
 # workaround for native windows.
 /mswin|bccwin|mingw/ !~ RUBY_PLATFORM && have_readline_var("rl_event_hook")
+/mswin|bccwin|mingw/ !~ RUBY_PLATFORM && have_readline_var("rl_catch_sigwinch")
 have_readline_func("rl_cleanup_after_signal")
 have_readline_func("rl_clear_signals")
 have_readline_func("rl_set_screen_size")

ext/readline/readline.c

@@ -1452,7 +1452,9 @@ Init_readline()
     rl_event_hook = readline_event;
 #endif
     rl_catch_signals = 0;
+#ifdef HAVE_RL_CATCH_SIGWINCH
     rl_catch_sigwinch = 0;
+#endif
 #ifdef HAVE_RL_CLEAR_SIGNALS
     rl_clear_signals();
 #endif