* configure.in (enable_pthread): use -pthread on OpenBSD without

explicit option. patched by Jeremy Evans. [ruby-core:38572]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@32730 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,8 @@
+Fri Jul 29 16:00:43 2011  NARUSE, Yui  <naruse@ruby-lang.org>
+
+	* configure.in (enable_pthread): use -pthread on OpenBSD without
+	  explicit option. patched by Jeremy Evans. [ruby-core:38572]
+
 Thu Jul 28 23:36:28 2011  CHIKANAGA Tomoyuki  <nagachika00@gmail.com>
 
 	* ext/fiddle/closure.c (callback): use rb_ary_tmp_new() instead of

configure.in

@@ -1805,7 +1805,9 @@ if test x"$enable_pthread" = xyes; then
 	[c],    [],
 	[root], [],
 	[c_r],  [MAINLIBS="-pthread $MAINLIBS"],
-	        [LIBS="-l$pthread_lib $LIBS"])
+	        [AS_CASE(["$target_os"],
+		    [openbsd*], [LIBS="-pthread $LIBS"],
+		    [LIBS="-l$pthread_lib $LIBS"])])
     else
 	AC_MSG_WARN("Don't know how to find pthread library on your system -- thread support disabled")
     fi