* configure.in (rb_cv_large_fd_select): needed on mingw, even

though fd_mask is not available.  [ruby-core:30401]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@28016 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,8 @@
+Wed May 26 10:35:37 2010  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* configure.in (rb_cv_large_fd_select): needed on mingw, even
+	  though fd_mask is not available.  [ruby-core:30401]
+
 Tue May 25 14:00:51 2010  NARUSE, Yui  <naruse@ruby-lang.org>
 
 	* regparse.c (add_code_range_to_buf0): fix false negative

configure.in

@@ -906,6 +906,7 @@ main()
 		rb_cv_negative_time_t=no
 		ac_cv_func_fcntl=yes
 		ac_cv_func_flock=yes
+		rb_cv_large_fd_select=yes
 		AC_LIBOBJ([langinfo])
 		: ${enable_win95=maybe}
 		],
@@ -1021,7 +1022,11 @@ AC_CHECK_TYPES([struct timezone], [], [], [@%:@ifdef HAVE_TIME_H
 @%:@ include <sys/time.h>
 @%:@endif])
 
-AC_CHECK_TYPE(fd_mask, [AC_DEFINE(HAVE_RB_FD_INIT, 1)])
+AC_CACHE_VAL([rb_cv_large_fd_select],
+    [AC_CHECK_TYPE(fd_mask, [rb_cv_large_fd_select=yes], [rb_cv_large_fd_select=no])])
+if test "$rb_cv_large_fd_select" = yes; then
+    AC_DEFINE(HAVE_RB_FD_INIT, 1)
+fi
 
 dnl RUBY_DEFINT TYPENAME, SIZE, [SIGNED-OR-UNSIGNED], [INCLUDES = DEFAULT-INCLUDES]
 AC_DEFUN([RUBY_DEFINT], [dnl