Currently updating a package involves deletion and
	re-compilation/installation of all the packages that depended on
	it. For many packages this is quite correct (anything depending
	on another package to link against its includes), but for
	others it is completely unnecessary (packages depending on
	other packages containing only executables and manpages).

	Is there any sense in introducing a new DEPENDS_XXX variable
	that indicates a 'make update' does not need to delete the
	dependent package?


		David/absolute
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