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Commit d27579a2 authored by Sam Ravnborg's avatar Sam Ravnborg Committed by Michal Marek
Browse files

kbuild: document KBUILD_LDS, KBUILD_VMLINUX_{INIT,MAIN} and LDFLAGS_vmlinux 



Newly exported variables - used by link-vmlinux.sh

Signed-off-by: default avatarSam Ravnborg <sam@ravnborg.org>
Signed-off-by: default avatarMichal Marek <mmarek@suse.cz>
parent 1f2bfbd0

Documentation/kbuild/kbuild.txt

+19 −0
Original line number Diff line number Diff line
@@ -50,6 +50,10 @@ LDFLAGS_MODULE 
--------------------------------------------------

Additional options used for $(LD) when linking modules.



LDFLAGS_vmlinux

--------------------------------------------------

Additional options passed to final link of vmlinux.



KBUILD_VERBOSE

--------------------------------------------------

Set the kbuild verbosity. Can be assigned same values as "V=...".
@@ -214,3 +218,18 @@ KBUILD_BUILD_USER, KBUILD_BUILD_HOST 
These two variables allow to override the user@host string displayed during

boot and in /proc/version. The default value is the output of the commands

whoami and host, respectively.



KBUILD_LDS

--------------------------------------------------

The linker script with full path. Assigned by the top-level Makefile.



KBUILD_VMLINUX_INIT

--------------------------------------------------

All object files for the init (first) part of vmlinux.

Files specified with KBUILD_VMLINUX_INIT are linked first.



KBUILD_VMLINUX_MAIN

--------------------------------------------------

All object files for the main part of vmlinux.

KBUILD_VMLINUX_INIT and KBUILD_VMLINUX_MAIN together specify

all the object files used to link vmlinux.