Shared libraries permissions prevent stripping

Hello,

Some packages (at least acl, attr, bind, gettext and nettle) install shared libraries with permission 644. It prevents them to be stripped during final stage, command line is:
find [...]/output/target -type f -perm +111 -not \( -name 'libpthread*.so*' \) -print | xargs [...]/output/host/usr/bin/[...]-strip --remove-section=.comment --remove-section=.note 2>/dev/null || true
(in /Makefile, STRIP_FIND_CMD += -type f -perm +111)

I suggest to patch packages Makefiles (or Makefiles.in) of these packages, here are the patches.

There is maybe better ways to handle this.

Regards
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