build: Use AM_V_at for mkdir
diff --git a/src/Makefile.am b/src/Makefile.am
index 95ebbb9..8328372 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -27,7 +27,7 @@ pkgconfig_DATA = \
lib_LTLIBRARIES = libbsd.la
hash/md5hl.c: $(srcdir)/hash/helper.c
- $(MKDIR_P) hash
+ $(AM_V_at) $(MKDIR_P) hash
$(AM_V_GEN) sed -e 's:hashinc:md5.h:g' -e 's:HASH:MD5:g' $< > $@
libbsd_la_DEPENDENCIES = \