File destdir.patch of Package python-py3c.13182

From eef6c4abaeaba4ee2cb84b2c639ce04de8a20b71 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=A9mie=20Courr=C3=A8ges-Anglas?=
 <45601387+jcourreges@users.noreply.github.com>
Date: Thu, 4 Jun 2020 11:57:07 +0200
Subject: [PATCH] Add DESTDIR for staged installations

For reference: https://www.gnu.org/prep/standards/html_node/DESTDIR.html

https://github.com/encukou/py3c/pull/29
---
 Makefile | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/Makefile b/Makefile
index 761304d..4b04f7c 100644
--- a/Makefile
+++ b/Makefile
@@ -42,12 +42,12 @@ py3c.pc: py3c.pc.in $(includedir)
 	sed -e's:@includedir@:$(realpath $(includedir)):' $< > $@
 
 install: py3c.pc
-	mkdir -p -m 0755 $(includedir)/py3c
-	install -m 0644 include/py3c.h $(includedir)/py3c.h
-	install -m 0644 $(wildcard include/py3c/*.h) $(includedir)/py3c/
+	mkdir -p -m 0755 $(DESTDIR)$(includedir)/py3c
+	install -m 0644 include/py3c.h $(DESTDIR)$(includedir)/py3c.h
+	install -m 0644 $(wildcard include/py3c/*.h) $(DESTDIR)$(includedir)/py3c/
 
-	mkdir -p -m 0755 $(pkgconfigdir)
-	install -m 0644 py3c.pc $(pkgconfigdir)/
+	mkdir -p -m 0755 $(DESTDIR)$(pkgconfigdir)
+	install -m 0644 py3c.pc $(DESTDIR)$(pkgconfigdir)/
 
 clean:
 	rm py3c.pc ||: