X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/87b9c9bc439205736b5a014cbe41a153a5e142d2..2ceb8c617cac934b45f101ab44508d72239c894b:/tests/output.at

diff --git a/tests/output.at b/tests/output.at
index c4b96404..e8f863d0 100644
--- a/tests/output.at
+++ b/tests/output.at
@@ -167,6 +167,10 @@ AT_CHECK_CONFLICTING_OUTPUT([foo.y], [], [-o foo.y],
 m4_define([AT_CHECK_OUTPUT_FILE_NAME],
 [AT_SETUP([Output file name: $1])
 
+# Skip if platform doesn't support file name.  For example, Cygwin
+# doesn't support file names containing ":" or "\".
+AT_CHECK([[touch "]AS_ESCAPE([$1[.tmp]])[" || exit 77]])
+
 AT_DATA_GRAMMAR([glr.y],
 [[%glr-parser
 %code {