From ba2072524bbf06068bec5c12e185a222b4d57f76 Mon Sep 17 00:00:00 2001
From: Brecht Van Lommel <brecht@blender.org>
Date: Fri, 11 Nov 2022 17:55:07 +0100
Subject: Fix CMake error when pkg-config is not installed

Don't assume xxx_FOUND variables are defined.
---
 build_files/cmake/macros.cmake | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/build_files/cmake/macros.cmake b/build_files/cmake/macros.cmake
index 73883376060..824c587c86e 100644
--- a/build_files/cmake/macros.cmake
+++ b/build_files/cmake/macros.cmake
@@ -1240,7 +1240,7 @@ endmacro()
 
 macro(set_and_warn_library_found
   _library_name _library_found _setting)
-  if(NOT ${${_library_found}} AND ${${_setting}})
+  if(((NOT ${_library_found}) OR (NOT ${${_library_found}})) AND ${${_setting}})
     if(WITH_STRICT_BUILD_OPTIONS)
       message(SEND_ERROR "${_library_name} required but not found")
     else()
-- 
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