fix: __STDC_VERSION__ can be undefined in C++

[lttng-ust.git] / tests / utils / tap.h

diff --git a/tests/utils/tap.h b/tests/utils/tap.h
index b3e94450541e203ba38bb9c5b2c3a71fd0869252..f9f423ee22948a8a3085832b6a20e108ed9f3b7c 100644 (file)
--- a/tests/utils/tap.h
+++ b/tests/utils/tap.h
@@ -6,7 +6,7 @@
  */
 
 /* '## __VA_ARGS__' is a gcc'ism. C99 doesn't allow the token pasting
-   and requires the caller to add the final comma if they've ommitted
+   and requires the caller to add the final comma if they've omitted
    the optional arguments */
 #ifdef __GNUC__
 # define ok(e, test, ...) ((e) ?                                       \
@@ -28,7 +28,7 @@
                        skip(n, fmt, ## __VA_ARGS__);   \
                        continue;                       \
                }
-#elif __STDC_VERSION__ >= 199901L /* __GNUC__ */
+#elif defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L) /* __GNUC__ */
 # define ok(e, ...) ((e) ?                                             \
                     _gen_result(1, __func__, __FILE__, __LINE__,       \
                                 __VA_ARGS__) :                         \