tests: skip tests of file names that platform does not support.

Reported by Michael Raskin at
<http://lists.gnu.org/archive/html/bug-bison/2009-09/msg00001.html>.
* THANKS (Michael Raskin): Add.
* tests/output.at (AT_CHECK_OUTPUT_FILE_NAME): Fix.  Cygwin used
to fail at least for file names containing ":" or "\".
(cherry picked from commit 2ceb8c617c)

Conflicts:

	THANKS

ChangeLog

@@ -1,3 +1,12 @@
+2009-10-04  Joel E. Denny  <[email protected]>
+
+	tests: skip tests of file names that platform does not support.
+	Reported by Michael Raskin at
+	<http://lists.gnu.org/archive/html/bug-bison/2009-09/msg00001.html>.
+	* THANKS (Michael Raskin): Add.
+	* tests/output.at (AT_CHECK_OUTPUT_FILE_NAME): Fix.  Cygwin used
+	to fail at least for file names containing ":" or "\".
+
 2009-09-23  Joel E. Denny  <[email protected]>
 
 	yysyntax_error: avoid duplicate lookahead collection.

THANKS

@@ -58,6 +58,7 @@ Martin Nylin              [email protected]
 Matt Kraai                [email protected]
 Matt Rosing               [email protected]
 Michael Hayes             [email protected]
+Michael Raskin            [email protected]
 Michiel De Wilde          [email protected]
 Mickael Labau             [email protected]
 Mike Castle               [email protected]

tests/output.at

@@ -175,6 +175,10 @@ 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 {