1 files changed, 8 insertions, 0 deletions
diff --git a/cfg.mk b/cfg.mk
index ee291c9e..dedfcb6c 100644
--- a/cfg.mk
+++ b/cfg.mk
@@ -111,6 +111,14 @@ sc_copyright_format:
 	halt='spell Red Hat as two words'				\
 	  $(_sc_search_regexp)
 
+# ENABLE_EXTRA_CHECKS is always defined, do not allow
+# "#ifndef ENABLE_EXTRA_CHECKS"
+sc_extra_checks:
+	@prohibit='#[[:space:]]*ifn?def[[:space:]]+ENABLE_EXTRA_CHECKS'	\
+	in_vc_files='\.[ch]$$'						\
+	halt='ENABLE_EXTRA_CHECKS is always defined'			\
+	  $(_sc_search_regexp)
+
 # We don't use this feature of maint.mk.
 prev_version_file = /dev/null