Fix undefined behavior in conditional macro replacement

See C11 6.10.3 §11 :
If there are sequences of preprocessing tokens within the list of
arguments that would otherwise act as preprocessing directives,
the behavior is undefined.

1 files changed, 8 insertions, 2 deletions

diff --git a/kern/mutex/mutex_plain.c b/kern/mutex/mutex_plain.c
index 266bd70b..f12f13fd 100644
--- a/kern/mutex/mutex_plain.c
+++ b/kern/mutex/mutex_plain.c
@@ -173,9 +173,15 @@ mutex_plain_setup(void)
     return 0;
 }
 
-INIT_OP_DEFINE(mutex_plain_setup,
-               INIT_OP_DEP(mutex_plain_bootstrap, true),
 #ifdef CONFIG_MUTEX_DEBUG
+#define MUTEX_PLAIN_DEBUG_INIT_OP_DEPS          \
                INIT_OP_DEP(syscnt_setup, true),
+#else /* CONFIG_MUTEX_DEBUG */
+#define MUTEX_PLAIN_DEBUG_INIT_OP_DEPS
 #endif /* CONFIG_MUTEX_DEBUG */
+
+
+INIT_OP_DEFINE(mutex_plain_setup,
+               INIT_OP_DEP(mutex_plain_bootstrap, true),
+               MUTEX_PLAIN_DEBUG_INIT_OP_DEPS
 );