1 files changed, 3 insertions, 5 deletions
diff --git a/cfg.mk b/cfg.mk
index 7dc1a20c8..ab0b8a4b6 100644
--- a/cfg.mk
+++ b/cfg.mk
@@ -581,11 +581,9 @@ sc_space_before_open_paren:
 # Similar to the gnulib maint.mk rule for sc_prohibit_strcmp
 # Use STREQ_LEN or STRPREFIX rather than comparing strncmp == 0, or != 0.
 sc_prohibit_strncmp:
-	@grep -nE '! *str''ncmp *\(|\<str''ncmp *\(.+\) *[!=]='		\
-	    $$($(VC_LIST_EXCEPT))					\
-	  | grep -vE ':# *define STR(N?EQ_LEN|PREFIX)\(' &&		\
-	  { echo '$(ME): use STREQ_LEN or STRPREFIX instead of str''ncmp' \
-		1>&2; exit 1; } || :
+	@prohibit='^[^#].*str''ncmp *\('				\
+	halt='use STREQ_LEN or STRPREFIX instead of str''ncmp'		\
+	  $(_sc_search_regexp)
 
 # Enforce recommended preprocessor indentation style.
 sc_preprocessor_indentation: