depends: don't use -no_warning_for_no_symbols in macOS qt build

Not supported by llvm-ar / llvm-ranlib.

Author: fanquake

depends/packages/qt.mk

@@ -15,6 +15,7 @@ $(package)_patches += no-xlib.patch
 $(package)_patches += fix_android_jni_static.patch
 $(package)_patches += dont_hardcode_pwd.patch
 $(package)_patches += qtbase-moc-ignore-gcc-macro.patch
+$(package)_patches += no_warnings_for_symbols.patch
 $(package)_patches += rcc_hardcode_timestamp.patch
 $(package)_patches += duplicate_lcqpafonts.patch
 $(package)_patches += guix_cross_lib_path.patch
@@ -247,6 +248,7 @@ define $(package)_preprocess_cmds
   patch -p1 -i $($(package)_patch_dir)/no-xlib.patch && \
   patch -p1 -i $($(package)_patch_dir)/qtbase-moc-ignore-gcc-macro.patch && \
   patch -p1 -i $($(package)_patch_dir)/memory_resource.patch && \
+  patch -p1 -i $($(package)_patch_dir)/no_warnings_for_symbols.patch && \
   patch -p1 -i $($(package)_patch_dir)/rcc_hardcode_timestamp.patch && \
   patch -p1 -i $($(package)_patch_dir)/duplicate_lcqpafonts.patch && \
   patch -p1 -i $($(package)_patch_dir)/utc_from_string_no_optimize.patch && \

depends/patches/qt/no_warnings_for_symbols.patch

@@ -0,0 +1,11 @@
+--- a/qtbase/mkspecs/features/mac/no_warn_empty_obj_files.prf
++++ b/qtbase/mkspecs/features/mac/no_warn_empty_obj_files.prf
+@@ -1,7 +1,7 @@
+ # Prevent warnings about object files without any symbols. This is a common
+ # thing in Qt as we tend to build files unconditionally, and then use ifdefs
+ # to compile out parts that are not relevant.
+-QMAKE_RANLIB += -no_warning_for_no_symbols
++# QMAKE_RANLIB += -no_warning_for_no_symbols
+ 
+ # We have to tell 'ar' to not run ranlib by itself
+ QMAKE_AR += -S