From: Mark Wooding <mdw@distorted.org.uk>
Date: Fri, 20 Sep 2019 02:35:37 +0000 (+0100)
Subject: Makefile: Capture `$(shell ...)' results in simply-expanded variables.
X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~mdw/git/distorted-chroot/commitdiff_plain/afb5d0517e7826b71b6d81379462beeafadd9b4e?ds=inline

Makefile: Capture `$(shell ...)' results in simply-expanded variables.
---

diff --git a/Makefile b/Makefile
index 72299a7..a2ba217 100644
--- a/Makefile
+++ b/Makefile
@@ -40,7 +40,7 @@ NOTIFY_FATAL		 = 1
 
 ## Volume group from which to allocate chroot volumes and snapshots.
 CONFIG_VARS		+= VG LVPREFIX
-VG			 = vg-$(shell hostname)
+VG			:= vg-$(shell hostname)
 LVPREFIX		 =
 
 ## Logical volume size, as an LVM option.
@@ -76,8 +76,8 @@ DISTS			 = $(PRIMARY_DIST) buster bullseye sid
 
 ## Host's native architecture(s).
 CONFIG_VARS		+= MYARCH NATIVE_ARCHS
-MYARCH			 = $(shell dpkg --print-architecture)
-OTHERARCHS		 = $(shell dpkg --print-foreign-architectures)
+MYARCH			:= $(shell dpkg --print-architecture)
+OTHERARCHS		:= $(shell dpkg --print-foreign-architectures)
 NATIVE_ARCHS		 = $(MYARCH) $(OTHERARCHS)
 
 ## Foreign (emulated) architectures to support.