From f7805d6d3b42dd275dd798d8201e20589064c657 Mon Sep 17 00:00:00 2001
From: Dirk Zimoch <dirk.zimoch@psi.ch>
Date: Thu, 13 Apr 2023 13:43:02 +0200
Subject: [PATCH] Bail out if EPICS_HOST_ARCH is not set (rather than fail with
 cryptic errors)

---
 App/tools/driver.makefile | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/App/tools/driver.makefile b/App/tools/driver.makefile
index 02ef022..1780742 100644
--- a/App/tools/driver.makefile
+++ b/App/tools/driver.makefile
@@ -100,6 +100,10 @@ DEPFILE = ${PRJ}.dep
 BASH_ENV=
 ENV=
 
+ifeq (${EPICS_HOST_ARCH},)
+$(error EPICS_HOST_ARCH is not set)
+endif
+
 # Default target is "build" for all versions.
 # Don't install anything (different from default EPICS make rules).
 default: build