Troubles building m4 from pkgsrc

[Chris Turner]

Steve O'Hara-Smith wrote:

not sure what to do about actual makefile diffs, etc...
	Tricky - but patching the diffs isn't necessary LOCALPATCHES can
contain patches that apply to the file as patched by the standard patches.
this was meant to read more like:

"not sure what to do about patches to the Makefiles themselves"

I definitely wasn't trying to advocate patching-patches