From 02ede0600099a820fcfdd106f134815ce967c6ab Mon Sep 17 00:00:00 2001
From: Egor Tensin <Egor.Tensin@gmail.com>
Date: Fri, 26 Feb 2021 13:42:55 +0300
Subject: Makefile: best practices

---
 Makefile | 32 +++++++++++++++++++++++---------
 1 file changed, 23 insertions(+), 9 deletions(-)

diff --git a/Makefile b/Makefile
index ef551bf..ea5d69e 100644
--- a/Makefile
+++ b/Makefile
@@ -1,17 +1,31 @@
-MKDIR = mkdir -p
-RMDIR = $(RM) -r
+MAKEFLAGS += --no-builtin-rules --no-builtin-variables --warn-undefined-variables
+.DEFAULT_GOAL := all
+.DELETE_ON_ERROR:
+.SUFFIXES:
+SHELL := bash
+.SHELLFLAGS := -eu -o pipefail -c
 
-name = cv
+MKDIR := mkdir -p --
+RMDIR := $(RM) -r --
 
-$(name)/$(name).pdf : $(name).tex $(name)/ img/*
+name := cv
+pdf := $(name)/$(name).pdf
+
+.PHONY: DO
+DO:
+
+.PHONY: all
+all: $(pdf)
+
+$(pdf): $(name).tex img/selfie_face.jpg | $(name)/
 	pdflatex -interaction=nonstopmode -halt-on-error -output-directory=$(name)/ $<
 
-$(name)/ :
+%/:
 	$(MKDIR) $@
 
-.PHONY : clean clean-all
-
-clean :
+.PHONY: clean
+clean:
 
-clean-all : clean
+.PHONY: clean-all
+clean-all: clean
 	$(RMDIR) $(name)/
-- 
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