portability: fix spawning on at least FreeBSD 8 and FreeBSD 9.

[bison.git] / tests / output.at

diff --git a/tests/output.at b/tests/output.at
index 94c618d86603e49357685235e95e3d993a5822e3..564674e1055cc3d9bef2273b210200471dd16d5f 100644 (file)
--- a/tests/output.at
+++ b/tests/output.at
@@ -145,7 +145,13 @@ AT_DATA([$1],
 foo: {};
 ]])
 
-AT_BISON_CHECK([$3 $1], $5, [], [$4])
+[cp ]$1[ expout]
+# Because an output file name conflict is still a warning, Bison exits
+# with status 0, so AT_BISON_CHECK does not realize that there may be no
+# output file against which to check the XML.  AT_BISON_CHECK_NO_XML
+# avoids that problem.
+AT_BISON_CHECK_NO_XML([$3 $1], $5, [], [$4])
+AT_CHECK([[cat $1]], [[0]], [expout])
 AT_CLEANUP
 ])
 
@@ -165,7 +171,7 @@ AT_CHECK_CONFLICTING_OUTPUT([foo.y],
 ])
 
 AT_CHECK_CONFLICTING_OUTPUT([foo.y], [], [-o foo.y],
-[foo.y: fatal error: refusing to overwrite the input file `foo.y'
+[foo.y: refusing to overwrite the input file `foo.y'
 ], 1)