From ce23c9083f4d06054eb59781c3309b1fcc807a1f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Tor=20Arne=20Vestb=C3=B8?= <tor.arne.vestbo@qt.io>
Date: Fri, 5 Apr 2024 14:46:55 +0200
Subject: cmake: Only enable warnings on/off flags for C/C++/Objective-C/C++

The flags are not valid for e.g. Swift

Pick-to: 6.7
Change-Id: Ie5b46dc9147d8c024e7e27712c7b8632abd727d9
Reviewed-by:  Alexey Edelev <alexey.edelev@qt.io>
---
 cmake/QtCompilerFlags.cmake | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

(limited to 'cmake/QtCompilerFlags.cmake')

diff --git a/cmake/QtCompilerFlags.cmake b/cmake/QtCompilerFlags.cmake
index 8168b70338..f58f36b7a2 100644
--- a/cmake/QtCompilerFlags.cmake
+++ b/cmake/QtCompilerFlags.cmake
@@ -25,8 +25,15 @@ set(_qt_compiler_warning_flags_condition
 set(_qt_compiler_warning_flags_genex
     "$<IF:${_qt_compiler_warning_flags_condition},${_qt_compiler_warning_flags_off},${_qt_compiler_warning_flags_on}>")
 
+set(_qt_compiler_warning_flags_language_condition
+    "$<COMPILE_LANGUAGE:CXX,C,OBJC,OBJCXX>")
+set(_qt_compiler_warning_flags_language_conditional_genex
+    "$<${_qt_compiler_warning_flags_language_condition}:${_qt_compiler_warning_flags_genex}>")
+
+
 # Need to replace semicolons so that the list is not wrongly expanded in the add_compile_options
 # call.
 string(REPLACE ";" "$<SEMICOLON>"
-       _qt_compiler_warning_flags_genex "${_qt_compiler_warning_flags_genex}")
-add_compile_options(${_qt_compiler_warning_flags_genex})
+       _qt_compiler_warning_flags_language_conditional_genex
+       "${_qt_compiler_warning_flags_language_conditional_genex}")
+add_compile_options(${_qt_compiler_warning_flags_language_conditional_genex})
-- 
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