From 2a9be50c29dfea7c2a8019c7a8a4d7ff8448e019 Mon Sep 17 00:00:00 2001
From: Lars-Ove Karlsson <lars-ove.karlsson@iar.com>
Date: Tue, 1 Jul 2025 15:01:06 +0200
Subject: [PATCH] toolchain: compiler: IAR does not allow vla with C++

Fixed a problem where the command line option --vla was used
with C++ causing a command line error in the IAR ICCARM compiler.

Signed-off-by: Lars-Ove Karlsson <lars-ove.karlsson@iar.com>
---
 cmake/compiler/iar/target.cmake | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/cmake/compiler/iar/target.cmake b/cmake/compiler/iar/target.cmake
index 432c1238b70..9cf625ce3b9 100644
--- a/cmake/compiler/iar/target.cmake
+++ b/cmake/compiler/iar/target.cmake
@@ -86,7 +86,7 @@ endif()
 
 # Enable VLA if CONFIG_MISRA_SANE is not set and warnings are not enabled.
 if(NOT CONFIG_MISRA_SANE AND NOT DEFINED W)
-  list(APPEND IAR_COMMON_FLAGS --vla)
+  list(APPEND IAR_COMMON_FLAGS $<$<COMPILE_LANGUAGE:C>:--vla>)
 endif()
 
 # Minimal ASM compiler flags