From 31db7f6a192f0ffbbadfe49997df0d64a1ead6ae Mon Sep 17 00:00:00 2001
From: Peter Varga <pvarga@inf.u-szeged.hu>
Date: Wed, 22 Sep 2021 16:41:06 +0200
Subject: Fix extract_cflag cmake function to not add extra semicolon

LIST(APPEND cflags ...) separates appended elements with a semicolon.
This may break parsing cflags and can result invalid args.gn. Remove
semicolons from cflags before parsing it.

Pick-to: 6.2
Change-Id: I3898bcad2051276d44953ae72d87cf4f91516012
Reviewed-by: Michal Klocek <michal.klocek@qt.io>
---
 cmake/Functions.cmake | 1 +
 1 file changed, 1 insertion(+)

diff --git a/cmake/Functions.cmake b/cmake/Functions.cmake
index 05f83ddf1..c66e65e71 100644
--- a/cmake/Functions.cmake
+++ b/cmake/Functions.cmake
@@ -586,6 +586,7 @@ function(extract_cflag result cflag)
         math(EXPR i "${i} + 1")
     endwhile()
     list(APPEND cflags ${CMAKE_C_FLAGS} ${CMAKE_CXX_FLAGS})
+    string(REPLACE ";" " " cflags "${cflags}")
     message(DEBUG "Found cflags: ${cflags}")
     if(cflags MATCHES "-${cflag}=([^ ]+)")
         set(${result} ${CMAKE_MATCH_1} PARENT_SCOPE)
-- 
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