From 47ef2d48af8d9efc23b65f13546528e061bad13d Mon Sep 17 00:00:00 2001
From: xengineering <mail2xengineering@protonmail.com>
Date: Sun, 30 May 2021 12:41:12 +0200
Subject: Update Makefile with complete Installation Instructions

---
 Makefile | 19 +++++++++++++++----
 1 file changed, 15 insertions(+), 4 deletions(-)

diff --git a/Makefile b/Makefile
index de52702..447434f 100644
--- a/Makefile
+++ b/Makefile
@@ -1,8 +1,16 @@
 # vim: shiftwidth=4 tabstop=4 noexpandtab
 
-PREFIX=/usr
+DESTDIR=""  # leave empty for the current system or provide a fakeroot here
+PREFIX="/usr"
 
 all:
+	# some recommended options for Go building (https://wiki.archlinux.org/title/Go_package_guidelines)
+	export CGO_CPPFLAGS="${CPPFLAGS}"
+	export CGO_CFLAGS="${CFLAGS}"
+	export CGO_CXXFLAGS="${CXXFLAGS}"
+	export CGO_LDFLAGS="${LDFLAGS}"
+	export GOFLAGS="-buildmode=pie -trimpath -ldflags=-linkmode=external -mod=readonly -modcacherw"
+	
 	mkdir -p build
 	go build -o build/stlscope ./...
 
@@ -13,8 +21,11 @@ debug:
 	go run ./... data/L.stl
 
 install: all
-	mkdir -p $(PREFIX)/bin
-	install -m 755 build/stlscope $(PREFIX)/bin
+	mkdir -p $(DESTDIR)$(PREFIX)/bin
+	install -m 755 build/stlscope $(DESTDIR)$(PREFIX)/bin
 
-.PHONY: all clean debug install
+tests: all
+	go test ./...
+
+.PHONY: all clean debug install tests
 
-- 
cgit v1.2.3-70-g09d2