From 05a3bafe650ae7f567c50abbdf626fca9ac2b3df Mon Sep 17 00:00:00 2001
From: Lorenzo Cappelletti <lorenzo.cappelletti@gmail.com>
Date: Mon, 19 Jul 2021 10:29:48 +0200
Subject: Compiler/IAR: Avoid clobbering CMAKE_EXECUTABLE_SUFFIX

Use `CMAKE_EXECUTABLE_SUFFIX_<LANG>` instead.

Fixes: #22426
---
 Modules/Compiler/IAR.cmake | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Modules/Compiler/IAR.cmake b/Modules/Compiler/IAR.cmake
index 8bfc3ef..a6b436a 100644
--- a/Modules/Compiler/IAR.cmake
+++ b/Modules/Compiler/IAR.cmake
@@ -41,7 +41,7 @@
 include_guard()
 
 macro(__compiler_iar_ilink lang)
-  set(CMAKE_EXECUTABLE_SUFFIX ".elf")
+  set(CMAKE_EXECUTABLE_SUFFIX_${lang} ".elf")
   set(CMAKE_${lang}_OUTPUT_EXTENSION ".o")
   if (${lang} STREQUAL "C" OR ${lang} STREQUAL "CXX")
     set(CMAKE_${lang}_COMPILE_OBJECT             "<CMAKE_${lang}_COMPILER> ${CMAKE_IAR_${lang}_FLAG} --silent <SOURCE> <DEFINES> <INCLUDES> <FLAGS> -o <OBJECT>")
@@ -77,7 +77,7 @@ macro(__compiler_iar_ilink lang)
 endmacro()
 
 macro(__compiler_iar_xlink lang)
-  set(CMAKE_EXECUTABLE_SUFFIX ".bin")
+  set(CMAKE_EXECUTABLE_SUFFIX_${lang} ".bin")
   if (${lang} STREQUAL "C" OR ${lang} STREQUAL "CXX")
 
     set(CMAKE_${lang}_COMPILE_OBJECT             "<CMAKE_${lang}_COMPILER> ${CMAKE_IAR_${lang}_FLAG} --silent <SOURCE> <DEFINES> <INCLUDES> <FLAGS> -o <OBJECT>")
-- 
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