Merge branch 'wsign-conversion' into 'main'

Various -Wsign-conversion warning fixes

See merge request GNOME/glib!4590

gio/xdgmime/meson.build

@@ -9,11 +9,20 @@ xdgmime_sources = files(
   'xdgmimeparent.c',
 )
 
+# glib enables various warnings which the xdgmime code wasn’t designed to
+# work with
+extra_xdgmime_args = cc.get_supported_arguments([
+  '-Wno-sign-conversion',
+])
+
 xdgmime_lib = static_library('xdgmime',
   sources : xdgmime_sources,
   include_directories : [configinc],
   pic : true,
-  c_args : [ '-DHAVE_CONFIG_H',
-             '-DXDG_PREFIX=_gio_xdg' ],
+  c_args : [
+    '-DHAVE_CONFIG_H',
+    '-DXDG_PREFIX=_gio_xdg',
+    extra_xdgmime_args,
+  ],
   gnu_symbol_visibility : 'hidden',
 )