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author | 张忠山 <zzs0213@gmail.com> | 2013-06-30 17:09:28 +0800 |
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committer | Michal Marek <mmarek@suse.cz> | 2013-07-03 22:47:08 +0200 |
commit | 4d47dde47f7dd95042fa56283d948f50dd4b509c (patch) | |
tree | f64f3c9a842894e6ca208f311ecfe5d4d101bdf8 /tools | |
parent | b35310627f396efcc25d71fb343b3aa02039d20d (diff) | |
download | talos-obmc-linux-4d47dde47f7dd95042fa56283d948f50dd4b509c.tar.gz talos-obmc-linux-4d47dde47f7dd95042fa56283d948f50dd4b509c.zip |
kbuild: create directory for dir/file.o
When add a obj with dir to obj-y, like this
obj-y += dir/file.o
The $(obj)/dir not created, this patch fix this.
When try to add a file(which in a subdir) to my board's obj-y, the build
progress crashed.
For example, I use at91rm9200ek board, and in kernel dir run:
mkdir objtree
make O=objtree at91rm9200_defconfig
mkdir arch/arm/mach-at91/dir
touch arch/arm/mach-at91/dir/file.c
and edit arch/arm/mach-at91/dir/file.c to add some code.
then edit arch/arm/mach-at91/Makefile, change the following line:
obj-$(CONFIG_MACH_AT91RM9200EK) += board-rm9200ek.o
to:
obj-$(CONFIG_MACH_AT91RM9200EK) += board-rm9200ek.o dir/file.o
Now build it:
make O=objtree
Then the error appears:
...
CC arch/arm/mach-at91/board-rm9200dk.o
CC arch/arm/mach-at91/board-rm9200ek.o
CC arch/arm/mach-at91/dir/file.o
linux-2.6/arch/arm/mach-at91/dir/file.c:5:
fatal error: opening dependency file
arch/arm/mach-at91/dir/.file.o.d: No such file or directory
Check the objtree:
LANG=en ls objtree/arch/arm/mach-at91/dir
ls: cannot access objtree/arch/arm/mach-at91/dir: No such file or directory
It's apparently that the target dir not created for file.o
Check kbuild source code. It seems that kbuild create dirs for that in
$(obj-dirs). But if the dir need not to create a built-in.o, It should
never in $(obj-dirs).
So I make this patch to make sure It in $(obj-dirs)
this bug caused by commit
f5fb976520a53f45f8bbf2e851f16b3b5558d485
Signed-off-by: 张忠山 <zzs0213@gmail.com>
Signed-off-by: Michal Marek <mmarek@suse.cz>
Diffstat (limited to 'tools')
0 files changed, 0 insertions, 0 deletions