diff -r -U2 sbcl-2.1.0.orig/src/runtime/GNUmakefile sbcl-2.1.0/src/runtime/GNUmakefile
--- sbcl-2.1.0.orig/src/runtime/GNUmakefile	2020-12-29 17:05:25.000000000 +0700
+++ sbcl-2.1.0/src/runtime/GNUmakefile	2021-01-28 18:02:57.682523052 +0700
@@ -12,5 +12,5 @@
 .PHONY: all clean TAGS tags targets
 
-all: targets tags
+all: targets
 TARGET=sbcl