From: Don Armstrong <don@donarmstrong.com>
Date: Mon, 1 Aug 2011 21:25:19 +0000 (-0700)
Subject: check to see if stderr is writable before using
X-Git-Tag: debian/2.16.0-1_exp+1~53
X-Git-Url: https://git.donarmstrong.com/?a=commitdiff_plain;ds=sidebyside;h=6156bb1b68443fdb3dcf8321eb8b85e6e384ffbb;p=lilypond.git

check to see if stderr is writable before using
---

diff --git a/scm/lily.scm b/scm/lily.scm
index 203a449c8f..97170aa277 100644
--- a/scm/lily.scm
+++ b/scm/lily.scm
@@ -814,7 +814,9 @@ PIDs or the number of the process."
 	  (if separate-logs
 	      (open-file (if (string-or-symbol? (ly:get-option 'log-file))
 			     (format "~a.log" (ly:get-option 'log-file))
-			     "/dev/stderr") "a") #f))
+			     (if (access? "/dev/stderr" W_OK)
+				 "/dev/stderr"
+				 "/dev/null")) "a") #f))
 	 (do-measurements (ly:get-option 'dump-profile))
 	 (handler (lambda (key failed-file)
 		    (set! failed (append (list failed-file) failed)))))