Messages in this thread | | | Date | Sun, 15 Aug 2004 20:03:20 +0200 | From | Sam Ravnborg <> | Subject | Re: [PATCH] Remove obsolete HEAD in top Makefile |
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On Sun, Aug 15, 2004 at 04:13:42PM +0200, Bernd Eckenfels wrote: > On Sun, Aug 15, 2004 at 08:36:47PM +0800, Coywolf Qi Hunt wrote: > > >iff it is not using it you need to remove it in the next line, too. > > Nah, I'm only removing HEAD, not head-y. :p > > If you remove this line: > head-y += $(HEAD) > > then head-y is undefined, and could therefore be removed, too. I dont know > what HEAD was used for, and where does it come from. But since the 2.4 code > uses head in a compareable way (i.e. only in that location with toetally > differen s tructure) I am not sure if it is not needed. > > Can you explain what it was used for and why it can be removed now? HEAD got replaced with head-y sometime in 2.5. It's about time to rip out the last bits.
About head-y: From Documentation/kbuild/makefiles.txt:
The very first objects linked are listed in head-y, assigned by arch/$(ARCH)/Makefile.
And later:
head-y, init-y, core-y, libs-y, drivers-y, net-y
$(head-y) list objects to be linked first in vmlinux. $(libs-y) list directories where a lib.a archive can be located. The rest list directories where a built-in.o object file can be located.
$(init-y) objects will be located after $(head-y). Then the rest follows in this order: $(core-y), $(libs-y), $(drivers-y) and $(net-y).
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