diff --git a/Makefile b/Makefile
index 4edccea..7530107 100644
--- a/Makefile
+++ b/Makefile
@@ -369,7 +369,7 @@ warn-auto.sh systype
 	( cat warn-auto.sh; \
 	echo 'main="$$1"; shift'; \
 	echo 'rm -f "$$main"'; \
-	echo 'ar cr "$$main" $${1+"$$@"}'; \
+	echo '"$(AR)" cr "$$main" $${1+"$$@"}'; \
 	case "`cat systype`" in \
 	sunos-5.*) ;; \
 	unix_sv*) ;; \
@@ -378,7 +378,7 @@ warn-auto.sh systype
 	dgux-*) ;; \
 	hp-ux-*) ;; \
 	sco*) ;; \
-	*) echo 'ranlib "$$main"' ;; \
+	*) echo '"$(RANLIB)" "$$main"' ;; \
 	esac \
 	) > makelib
 	chmod 755 makelib