configure: add '-Wundef' to warning flags

[lttng-tools.git] / src / bin / lttng / commands / add_context.cpp

diff --git a/src/bin/lttng/commands/add_context.cpp b/src/bin/lttng/commands/add_context.cpp
index 6ea53709c01df87f7d4dc9c0345f1396e9e8d810..4e4bb9fac110d5823247f56983455fad38bcf523 100644 (file)
--- a/src/bin/lttng/commands/add_context.cpp
+++ b/src/bin/lttng/commands/add_context.cpp
@@ -288,7 +288,7 @@ const struct ctx_opts {
        { (char *) "need_reschedule", CONTEXT_NEED_RESCHEDULE },
        { (char *) "migratable", CONTEXT_MIGRATABLE },
        { (char *) "callstack-kernel", CONTEXT_CALLSTACK_KERNEL },
-#if HAVE_MODULES_USERSPACE_CALLSTACK_CONTEXT
+#ifdef HAVE_MODULES_USERSPACE_CALLSTACK_CONTEXT
        { (char *) "callstack-user", CONTEXT_CALLSTACK_USER },
 #endif
        { (char *) "cgroup_ns", CONTEXT_CGROUP_NS },