From dc3be5aad3f5b660166f9ea52bb4f371e565f59e Mon Sep 17 00:00:00 2001
From: halx99 <halx99@live.com>
Date: Sun, 24 Mar 2024 05:44:05 +0800
Subject: [PATCH] Improve build system error prompt

---
 1k/build.ps1 | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/1k/build.ps1 b/1k/build.ps1
index 3c7db96ccb..c9939bfb69 100644
--- a/1k/build.ps1
+++ b/1k/build.ps1
@@ -386,6 +386,9 @@ $toolchains = @{
 if (!$TOOLCHAIN) {
     $TOOLCHAIN = $toolchains[$TARGET_OS]
 }
+if (!$TOOLCHAIN) {
+    throw "1kiss: Unsupported target os: $TARGET_OS"
+}
 $TOOLCHAIN_INFO = $TOOLCHAIN.Split('-')
 $TOOLCHAIN_VER = $null
 if ($TOOLCHAIN_INFO.Count -ge 2) {