build: disable qt SDK version checking

This tries to invoke xcrun, which is not available when cross-compiling.
Given we are in control of the SDK versions being used, removing this
check has minimal-no effect.

depends/packages/qt.mk

@@ -8,7 +8,7 @@ $(package)_linux_dependencies=freetype fontconfig libxcb libxkbcommon
 $(package)_qt_libs=corelib network widgets gui plugins testlib
 $(package)_patches=fix_qt_pkgconfig.patch mac-qmake.conf fix_no_printer.patch no-xlib.patch
 $(package)_patches+= fix_android_qmake_conf.patch fix_android_jni_static.patch dont_hardcode_pwd.patch
-$(package)_patches+= drop_lrelease_dependency.patch
+$(package)_patches+= drop_lrelease_dependency.patch no_sdk_version_check.patch
 $(package)_patches+= fix_qpainter_non_determinism.patch
 
 $(package)_qttranslations_file_name=qttranslations-$($(package)_suffix)
@@ -225,6 +225,7 @@ define $(package)_preprocess_cmds
   patch -p1 -i $($(package)_patch_dir)/fix_android_jni_static.patch && \
   patch -p1 -i $($(package)_patch_dir)/no-xlib.patch && \
   patch -p1 -i $($(package)_patch_dir)/fix_qpainter_non_determinism.patch &&\
+  patch -p1 -i $($(package)_patch_dir)/no_sdk_version_check.patch && \
   sed -i.old "s|updateqm.commands = \$$$$\$$$$LRELEASE|updateqm.commands = $($(package)_extract_dir)/qttools/bin/lrelease|" qttranslations/translations/translations.pro && \
   mkdir -p qtbase/mkspecs/macx-clang-linux &&\
   cp -f qtbase/mkspecs/macx-clang/qplatformdefs.h qtbase/mkspecs/macx-clang-linux/ &&\