anchor.diff:      grep -q '#!/usr/bin/env python' gio/tests/gengiotypefuncs.py
       sed -i gio/tests/gengiotypefuncs.py \
         -e 's,#!/usr/bin/env python.*,#!${python3.interpreter},'
  +    # Fix shebangs not caught be fixup hook
  +    for i in gio/gdbus-2.0/codegen/gdbus-codegen.in \
  +        glib/gtester-report.in \
  +        gobject/glib-genmarshal.in \
  +        gobject/glib-mkenums.in; do
  +      grep -qP '#!.*@PYTHON@' "$i"
  +      sed -i 's,^#!.*@PYTHON@,#!${python3}/bin/python3,' "$i"
  +    done
     '';
   
     postInstall = ''
  
positive.code:     # M4 macros are not installed by meson, but still needed by other
      # packages during the meson transition.
      for i in 'glib-2.0.m4' 'glib-gettext.m4' 'gsettings.m4'; do
        ! find "$out" -name "$i"
        install -D -m 644 -v m4macros/"$i" "$out"/share/aclocal/"$i"
      done
    '';
  
negative.code: , gettext
  , meson
  , ninja
  
  , elfutils
  , libffi
  , libselinux
  , pcre
  , python3
  , util-linux_lib
  , zlib
  }:
  