netmap-modules: make deterministic builds for drivers

The driver builds are optional, but for deterministic builds,
we should should be able to explicitly enable/disable the
builds for them in a proper place (maybe in BSP).
But we can't use PACKAGECONFIG since there is no option for
each driver, and the options are:
 --no-drivers    do not compile any driver
 --no-drivers=   do not compile the given drivers (comma sep.)
 --drivers=      only compile the given drivers (comma sep.)

So use NETMAP_DRIVERS to list the needed drivers and add proper
configs to EXTRA_OECONF, the default is no drivers, and all
supported drivers are listed in NETMAP_ALL_DRIVERS.

Signed-off-by: Jackie Huang <jackie.huang@windriver.com>
Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>
Signed-off-by: Joe MacDonald <joe_macdonald@mentor.com>
This commit is contained in:
Jackie Huang
2015-11-18 18:02:21 +08:00
committed by Joe MacDonald
parent 352755e2b7
commit 636af36e70
@@ -15,7 +15,31 @@ EXTRA_OECONF = "--kernel-dir=${STAGING_KERNEL_BUILDDIR} \
--driver-suffix="-netmap" \
"
EXTRA_OECONF += "--no-drivers=ixgbe --no-drivers=virtio_net.c"
# The driver builds are optional, but for deterministic builds,
# we should be able to explicitly enable/disable the builds
# for them in a proper place (maybe in BSP).
# But we can't use PACKAGECONFIG since there is no option for
# each driver, and the options are:
# --no-drivers do not compile any driver
# --no-drivers= do not compile the given drivers (comma sep.)
# --drivers= only compile the given drivers (comma sep.)
#
# So use NETMAP_DRIVERS and the following python code to add proper
# configs to EXTRA_OECONF.
#
# The default is no-drivers, and all supported drivers are listed
# in NETMAP_ALL_DRIVERS.
NETMAP_DRIVERS ??= ""
NETMAP_ALL_DRIVERS = "ixgbe igb e1000e e1000 veth.c forcedeth.c virtio_net.c r8169.c"
python __anonymous () {
drivers_list = d.getVar("NETMAP_DRIVERS", True).split()
all_drivers_list = d.getVar("NETMAP_ALL_DRIVERS", True).split()
config_drivers = "--drivers=" + ",".join(drivers_list)
extra_oeconf_drivers = bb.utils.contains_any('NETMAP_DRIVERS', all_drivers_list, config_drivers, '--no-drivers', d)
d.appendVar("EXTRA_OECONF", extra_oeconf_drivers)
}
LDFLAGS := "${@'${LDFLAGS}'.replace('-Wl,-O1', '')}"
LDFLAGS := "${@'${LDFLAGS}'.replace('-Wl,--as-needed', '')}"