From f3e4e9d3047f18bd1c31f04d8eb9867600d7cbd9 Mon Sep 17 00:00:00 2001
From: Alessandro Iezzi <aiezzi@alessandroiezzi.it>
Date: Thu, 8 Apr 2021 13:53:28 +0200
Subject: Enhance Makefile

---
 Makefile | 27 ++++++++++++++++++++-------
 1 file changed, 20 insertions(+), 7 deletions(-)

diff --git a/Makefile b/Makefile
index 69868ce..644a361 100644
--- a/Makefile
+++ b/Makefile
@@ -1,10 +1,23 @@
-all:
-	echo "Usage: make install"
+INSTALL_DIR=~/bin/acme
+BUILD_DIR=build
 
-install: uninstall
-	chmod +x *sh
-	find `pwd` -type f -name "*.sh" -exec ln -s {} ~/bin/acme/ ';'
-	find ~/bin/acme/ -type l -name "*.sh" -exec renamex -s/.sh// '{}' \;
+.SUFFIXES: .sh .o
+
+SOURCES!=ls *.sh
+OBJECTS=${SOURCES:.sh=}
+D!=echo $(OBJECTS) | sed "s|^|$(INSTALL_DIR)/|g" | sed "s| | $(INSTALL_DIR)/|g"
+
+.sh:
+	chmod +x ${.IMPSRC}
+	ln -s ${.CURDIR}/${.IMPSRC} ${.TARGET}
+
+build: $(OBJECTS)
+
+clean:
+	find ${.CURDIR} -type l -exec rm -f '{}' \;
+
+install: build
+	find ${.CURDIR} -type l -exec cp -R -P '{}' ${INSTALL_DIR}/ \;
 
 uninstall:
-	rm -f ~/bin/acme/*
+	rm -f $(D)
-- 
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