add BUILD.gn for all kernel modules
Signed-off-by: NCaoruihong <crh.cao@huawei.com>
Change-Id: I018446427bf64615f2596d47862b219659b58b34

kconfiglib support the kconfig macro language,
we need this feature to handle product related
Kconfig configuration.
Signed-off-by: NCaoruihong <crh.cao@huawei.com>
Change-Id: I6bb521e93aab6c67b8bc3ac664b64f5e52089a45

in the liteos_a directory, we used to use `make clean all` command
to build liteos_a kernel for test.
Signed-off-by: NCaoruihong <crh.cao@huawei.com>
Change-Id: I5ca689c1c44052f7de937d7faa9e4d3534d97380

sysroot and arch related cflags are pass by BUILD.gn now.
Signed-off-by: NCaoruihong <crh.cao@huawei.com>
Change-Id: Ia6000dd7ed8a8a37e935ace49d8460a919a16566

support turn off as many features as possible.
current only libc and posix and bsd can not be turned off.
Signed-off-by: NCaoruihong <crh.cao@huawei.com>
Change-Id: I1e97570c67593207a56dc11f357eca4b4a018bfd

Change-Id: Ie48b96fe9c8ab036d7234b56a169d6668171a895

Change "vendor" to "device" where the latest
version of MR puts stuff related to Qemu ARM Virt.
Signed-off-by: NZbigniew Bodek <zbigniew.bodek@huawei.com>

Remove some dependencies on HiSilicon and add new platform to build.
Signed-off-by: NZbigniew Bodek <zbigniew.bodek@huawei.com>
Change-Id: I8504bcc9a1bf1756e1e20694986d7774156f8b8e

conf --silentoldconfig generates required autoconf.h file
but when invoked on modified Kconfig it will ask for user
input which breaks the build. To automatically regenerate
config structure and then autogenerate headers run
config --olddefconfig first.
Signed-off-by: NZbigniew Bodek <zbigniew.bodek@huawei.com>
Change-Id: If7f7653c80cc0c5c0d84015b8e50fcb66568d00a

Change-Id: Ia6c1f6302407a707b3ec9b805f4c92d8a7970b86