From 8297f9ff7c71e4e2e8c0711d8ab36f4d463981b9 Mon Sep 17 00:00:00 2001
From: Wilhelm Bierbaum <wilhelm@twitter.com>
Date: Fri, 29 Apr 2022 10:27:32 -0700
Subject: [PATCH] Update build script to exit if clang is not present

---
 scripts/linux-build.sh | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/scripts/linux-build.sh b/scripts/linux-build.sh
index 09c6383a..fdbe657f 100755
--- a/scripts/linux-build.sh
+++ b/scripts/linux-build.sh
@@ -1,10 +1,16 @@
 #!/bin/bash -e
 # fetch and extract the rust toolchain
 
+
+function die() {
+    echo "$@" > /dev/stderr
+    exit 1
+}
+
 ##
 ## Preconditions
 ##
-which clang || echo "Please run this build with an LLVM toolchain present (e.g. under scl)" 1>&2
+which clang || die "Please run this build with an LLVM toolchain present (e.g. under scl)"
 
 rm -rf toolchain
 echo "Fetching toolchain..."