nobu	2018-11-19 16:00:12 +0900 (Mon, 19 Nov 2018)

  New Revision: 65801

  https://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=65801

  Log:
    _colorize_result_prepare.m4: do not save CONFIGURE_TTY
    
    redirection to a tty, file or pipe is not a permanent status.
    `rb_cv_` prefix means that it should be saved/restored across
    re-configurations.

  Modified files:
    trunk/tool/m4/_colorize_result_prepare.m4
Index: tool/m4/_colorize_result_prepare.m4
===================================================================
--- tool/m4/_colorize_result_prepare.m4	(revision 65800)
+++ tool/m4/_colorize_result_prepare.m4	(revision 65801)
@@ -2,12 +2,12 @@ https://github.com/ruby/ruby/blob/trunk/tool/m4/_colorize_result_prepare.m4#L2
 AC_DEFUN([_COLORIZE_RESULT_PREPARE], [
     msg_checking= msg_result_yes= msg_result_no= msg_result_other= msg_reset=
     AS_CASE(["x${CONFIGURE_TTY}"],
-      [xyes|xalways],[rb_cv_configure_tty=1],
-      [xno|xnever],  [rb_cv_configure_tty=0],
+      [xyes|xalways],[configure_tty=1],
+      [xno|xnever],  [configure_tty=0],
                      [AS_IF([test -t 1],
-                       [rb_cv_configure_tty=1],
-                       [rb_cv_configure_tty=0])])
-    AS_IF([test $rb_cv_configure_tty -eq 1], [
+                       [configure_tty=1],
+                       [configure_tty=0])])
+    AS_IF([test $configure_tty -eq 1], [
 	msg_begin="`tput smso 2>/dev/null`"
 	AS_CASE(["$msg_begin"], ['@<:@'*m],
 	    [msg_begin="`echo "$msg_begin" | sed ['s/[0-9]*m$//']`"

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