From f7af1743289b3d0cba43ccca5e3d5f5f4d25061b Mon Sep 17 00:00:00 2001
From: Egor Tensin <Egor.Tensin@gmail.com>
Date: Fri, 30 Jun 2023 10:11:12 +0200
Subject: Makefile: move the prelude to prelude.mk

---
 Makefile    | 22 +---------------------
 _config.yml |  1 +
 prelude.mk  | 23 +++++++++++++++++++++++
 3 files changed, 25 insertions(+), 21 deletions(-)
 create mode 100644 prelude.mk

diff --git a/Makefile b/Makefile
index 11df7c8..cee4d9e 100644
--- a/Makefile
+++ b/Makefile
@@ -1,24 +1,4 @@
-MAKEFLAGS += --no-builtin-rules --no-builtin-variables --warn-undefined-variables
-unexport MAKEFLAGS
-.DEFAULT_GOAL := all
-.DELETE_ON_ERROR:
-.SUFFIXES:
-SHELL := bash
-.SHELLFLAGS := -eu -o pipefail -c
-
-escape = $(subst ','\'',$(1))
-
-define noexpand
-ifeq ($$(origin $(1)),environment)
-    $(1) := $$(value $(1))
-endif
-ifeq ($$(origin $(1)),environment override)
-    $(1) := $$(value $(1))
-endif
-ifeq ($$(origin $(1)),command line)
-    override $(1) := $$(value $(1))
-endif
-endef
+include prelude.mk
 
 LIVE_RELOAD ?= 1
 $(eval $(call noexpand,LIVE_RELOAD))
diff --git a/_config.yml b/_config.yml
index ccd203c..74d1fb4 100644
--- a/_config.yml
+++ b/_config.yml
@@ -7,6 +7,7 @@ strict_front_matter: true
 
 exclude:
   - Makefile
+  - prelude.mk
   - README.md
 
   - package.json
diff --git a/prelude.mk b/prelude.mk
new file mode 100644
index 0000000..374111e
--- /dev/null
+++ b/prelude.mk
@@ -0,0 +1,23 @@
+# Please see https://egort.name/blog/notes/makefile.html
+
+MAKEFLAGS += --no-builtin-rules --no-builtin-variables --warn-undefined-variables
+unexport MAKEFLAGS
+.DEFAULT_GOAL := all
+.DELETE_ON_ERROR:
+.SUFFIXES:
+SHELL := bash
+.SHELLFLAGS := -eu -o pipefail -c
+
+escape = $(subst ','\'',$(1))
+
+define noexpand
+ifeq ($$(origin $(1)),environment)
+    $(1) := $$(value $(1))
+endif
+ifeq ($$(origin $(1)),environment override)
+    $(1) := $$(value $(1))
+endif
+ifeq ($$(origin $(1)),command line)
+    override $(1) := $$(value $(1))
+endif
+endef
-- 
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