2 files changed, 7 insertions, 4 deletions
diff --git a/Makefile b/Makefile
index 7e5b0c4..a28aae7 100644
--- a/Makefile
+++ b/Makefile
@@ -20,9 +20,6 @@ build_dir := $(src_dir)/build
 .PHONY: all
 all: debug
 
-.PHONY: DO
-DO:
-
 .PHONY: clean
 clean:
 	rm -rf -- '$(call escape,$(build_dir))'
diff --git a/prelude.mk b/prelude.mk
index 374111e..e0862a5 100644
--- a/prelude.mk
+++ b/prelude.mk
@@ -1,4 +1,4 @@
-# Please see https://egort.name/blog/notes/makefile.html
+# Please see https://tensin.name/blog/notes/makefile.html
 
 MAKEFLAGS += --no-builtin-rules --no-builtin-variables --warn-undefined-variables
 unexport MAKEFLAGS
@@ -21,3 +21,9 @@ ifeq ($$(origin $(1)),command line)
     override $(1) := $$(value $(1))
 endif
 endef
+
+# A helper target to force execution of pattern rules (works like .PHONY for
+# them): https://www.gnu.org/software/make/manual/html_node/Phony-Targets.html
+#
+.PHONY: DO
+DO: