From a9c86c0670f7ed763dedc9cc59dd288d5cc1011b Mon Sep 17 00:00:00 2001
From: "Luke T. Shumaker" <lukeshu@lukeshu.com>
Date: Tue, 22 Apr 2025 11:59:48 -0600
Subject: Explicitly ban VLA

---
 CMakeLists.txt | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 9fa048f..a221c77 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -24,6 +24,10 @@ if ((PICO_PLATFORM STREQUAL "host") AND (NOT PICO_NO_GC_SECTIONS))
 	add_link_options("LINKER:--gc-sections")
 endif()
 
+# Disable language misfeatures.
+add_compile_options(-Werror=vla)
+
+# Have the compiler help detect mistakes.
 add_compile_options(-Wall -Wextra -Wswitch-enum -Werror)
 
 string(TOUPPER "${CMAKE_BUILD_TYPE}" _upper_cmake_build_type)
-- 
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