From 71758d854a3aa069d91a26d0cd62ba296086df83 Mon Sep 17 00:00:00 2001
From: Akim Demaille <akim.demaille@gmail.com>
Date: Fri, 26 Oct 2018 18:49:10 +0200
Subject: [PATCH] tests: beware of Windows file name constraints

Don't expect to be able to build a file named '"\"".y' (6 characters)
on Windows.

Reported by Jannick.
http://lists.gnu.org/archive/html/bug-bison/2018-10/msg00042.html

* tests/synclines.at (syncline escapes): Skip if we failed to create
the file.
---
 tests/synclines.at | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/tests/synclines.at b/tests/synclines.at
index 76162263..392cd853 100644
--- a/tests/synclines.at
+++ b/tests/synclines.at
@@ -418,6 +418,9 @@ exp: '0'
 ]AT_MAIN_DEFINE[
 ]])
 
+# Maybe we tried to create a file name that the file system does not
+# support.
+AT_SKIP_IF([[test ! -f \"\\\"\".y]])
 AT_FULL_COMPILE([\"\\\"\"])
 AT_BISON_OPTION_POPDEFS