commit f5eb142cd04be2bc4ca610ed3b5b7e8ce3520ee3
Author: fanquake <fanquake@gmail.com>
Date:   Tue Jan 5 16:08:49 2021 +0800

    Don't invoke macOS SDK version checking
    
    This tries to use xcrun which is not available when cross-compiling.

diff --git a/qtbase/mkspecs/features/mac/default_post.prf b/qtbase/mkspecs/features/mac/default_post.prf
index 92a9112bca6..447e186eb26 100644
--- a/qtbase/mkspecs/features/mac/default_post.prf
+++ b/qtbase/mkspecs/features/mac/default_post.prf
@@ -8,7 +8,6 @@ contains(TEMPLATE, .*app) {
     !macx-xcode:if(isEmpty(BUILDS)|build_pass) {
         # Detect changes to the platform SDK
         QMAKE_EXTRA_VARIABLES += QMAKE_MAC_SDK QMAKE_MAC_SDK_VERSION QMAKE_XCODE_DEVELOPER_PATH
-        QMAKE_EXTRA_INCLUDES += $$shell_quote($$PWD/sdk.mk)
     }
 
     # Detect incompatible SDK versions