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authorEgor Tensin <Egor.Tensin@gmail.com>2023-06-30 10:11:12 +0200
committerEgor Tensin <Egor.Tensin@gmail.com>2023-06-30 10:11:12 +0200
commitf7af1743289b3d0cba43ccca5e3d5f5f4d25061b (patch)
treed86dd9de39999969e06f103ed56ca1680da614da /prelude.mk
parentupgrade to Jekyll 4 (diff)
downloadwireguard-config-f7af1743289b3d0cba43ccca5e3d5f5f4d25061b.tar.gz
wireguard-config-f7af1743289b3d0cba43ccca5e3d5f5f4d25061b.zip
Makefile: move the prelude to prelude.mk
Diffstat (limited to 'prelude.mk')
-rw-r--r--prelude.mk23
1 files changed, 23 insertions, 0 deletions
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