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Subject[PATCH 0/1] kbuild: allow alternate src for target's implicit prerequisite
While adding more functionality to s390's decompressor code and looking
at other architectures implementation there is an apparent need to
reuse some code outside of arch/*/boot folder (files like lib/ctype.c,
lib/cmdline.c and others). On s390 there is a need to rebuild and reuse
few additional files to print out early error messages (console support,
ebcdic, arch/s390/lib/mem.S). This list will be extended with additional
features implementation (like kaslr, etc).

Current solution seems to be reverse including source files, which is
ugly. The following patch proposes another way to address that problem,
which in the end would we used like:

in some arch/*/boot/Makefile:
obj-y := ctype.o cmdline.o mem.o ..some local files..

SRCDIR_ctype.o := lib
SRCDIR_cmdline.o := lib
SRCDIR_mem.o := arch/s390/lib

Vasily Gorbik (1):
kbuild: allow alternate src for target's implicit prerequisite

scripts/Makefile.build | 26 +++++++++++++++-----------
1 file changed, 15 insertions(+), 11 deletions(-)

--
2.18.0.13.gd42ae10

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