I want to include a modified copy of one or two libtool-related macros
in my source package. I have copied the relevant macros from
/usr/share/aclocal/libtool.m4 into acinclude.m4, and made my changes.
However, aclocal puts the contents of acinclude.m4 into aclocal.m4
_before_ macros from its own m4 files. This means that my changes are
not used, since the macros are redefined to their standard contents
later in aclocal.m4.
Is there a way around this?