hi all, I am using udoo neo board and building marshmallow source code.please suggest possible soution for the builderror by following error log TC/target-cacert-87753b0d.0_intermediates/87753b0d.0) CC [M] backports/drivers/net/wireless/ti/wl12xx/main.o CC [M] backports/drivers/net/wireless/ti/wl12xx/cmd.o LD [M] backports/compat/cordic.o CC [M] backports/net/mac80211/main.o CC [M] backports/drivers/net/wireless/ti/wl12xx/acx.o CC [M] backports/drivers/net/wireless/ti/wl18xx/main.o CC [M] backports/drivers/net/wireless/ti/wl12xx/debugfs.o CC [M] drivers/misc/ti-st/st_core.o CC [M] backports/net/mac80211/status.o CC [M] backports/drivers/net/wireless/ti/wl18xx/acx.o CC [M] backports/drivers/net/wireless/ti/wl12xx/scan.o CC [M] drivers/misc/ti-st/st_kim.o CC [M] backports/drivers/net/wireless/ti/wl18xx/tx.o CC [M] backports/drivers/net/wireless/ti/wl18xx/io.o CC [M] backports/net/mac80211/sta_info.o CC [M] backports/drivers/net/wireless/ti/wl12xx/event.o CC [M] drivers/misc/ti-st/st_ll.o CC [M] backports/drivers/net/wireless/ti/wl18xx/debugfs.o CC [M] drivers/misc/ti-st/tty_hci.o LD [M] backports/drivers/net/wireless/ti/wl12xx/wl12xx.o make[6]: *** No rule to make target `.git/refs/tags', needed by `backports/drivers/net/wireless/ti/wlcore/version.h'. Stop. make[5]: *** [backports/drivers/net/wireless/ti/wlcore] Error 2 make[5]: *** Waiting for unfinished jobs.... target Prebuilt: target-cacert-882de061.0 (out/target/product/udooneo_6sx/obj/ETC/target-cacert-882de061.0_intermediates/882de061.0) target Prebuilt: target-cacert-895cad1a.0 (out/target/product/udooneo_6sx/obj/ETC/target-cacert-895cad1a.0_intermediates/895cad1a.0) CC [M] backports/drivers/net/wireless/ti/wl18xx/scan.o LD [M] drivers/misc/ti-st/st_drv.o CC [M] backports/drivers/net/wireless/ti/wl18xx/cmd.o CC [M] backports/drivers/net/wireless/ti/wl18xx/event.o CC [M] backports/net/mac80211/wep.o CC [M] backports/net/wireless/core.o LD [M] backports/drivers/net/wireless/ti/wl18xx/wl18xx.o make[4]: *** [backports/drivers/net/wireless/ti] Error 2 make[3]: *** [backports/drivers/net/wireless] Error 2 make[3]: *** Waiting for unfinished jobs.... CC [M] backports/net/wireless/sysfs.o CC [M] backports/net/mac80211/wpa.o CC [M] backports/net/wireless/radiotap.o CC [M] backports/net/mac80211/scan.o CC [M] backports/net/wireless/util.o CC [M] backports/net/wireless/reg.o CC [M] backports/net/mac80211/offchannel.o CC [M] backports/net/wireless/scan.o CC [M] backports/net/mac80211/ht.o CC [M] backports/net/wireless/nl80211.o CC [M] backports/net/mac80211/agg-tx.o CC [M] backports/net/mac80211/agg-rx.o CC [M] backports/net/mac80211/vht.o CC [M] backports/net/mac80211/ibss.o CC [M] backports/net/mac80211/iface.o CC [M] backports/net/mac80211/rate.o CC [M] backports/net/mac80211/michael.o CC [M] backports/net/mac80211/tkip.o CC [M] backports/net/mac80211/aes_ccm.o CC [M] backports/net/mac80211/aes_gcm.o CC [M] backports/net/mac80211/aes_cmac.o CC [M] backports/net/mac80211/aes_gmac.o CC [M] backports/net/mac80211/cfg.o CC [M] backports/net/wireless/mlme.o CC [M] backports/net/mac80211/ethtool.o CC [M] backports/net/mac80211/rx.o CC [M] backports/net/wireless/ibss.o CC [M] backports/net/wireless/sme.o CC [M] backports/net/mac80211/spectmgmt.o CC [M] backports/net/mac80211/tx.o CC [M] backports/net/wireless/chan.o target Prebuilt: target-cacert-89c02a45.0 (out/target/product/udooneo_6sx/obj/ETC/target-cacert-89c02a45.0_intermediates/89c02a45.0) target Prebuilt: target-cacert-8d6437c3.0 (out/target/product/udooneo_6sx/obj/ETC/target-cacert-8d6437c3.0_intermediates/8d6437c3.0) target Prebuilt: target-cacert-91739615.0 (out/target/product/udooneo_6sx/obj/ETC/target-cacert-91739615.0_intermediates/91739615.0) target Prebuilt: target-cacert-9282e51c.0 (out/target/product/udooneo_6sx/obj/ETC/target-cacert-9282e51c.0_intermediates/9282e51c.0) target Prebuilt: target-cacert-9339512a.0 (out/target/product/udooneo_6sx/obj/ETC/target-cacert-9339512a.0_intermediates/9339512a.0) target Prebuilt: target-cacert-9576d26b.0 (out/target/product/udooneo_6sx/obj/ETC/target-cacert-9576d26b.0_intermediates/9576d26b.0) CC [M] backports/net/wireless/ethtool.o CC [M] backports/net/wireless/mesh.o CC [M] backports/net/wireless/ap.o target Prebuilt: target-cacert-95aff9e3.0 (out/target/product/udooneo_6sx/obj/ETC/target-cacert-95aff9e3.0_intermediates/95aff9e3.0) target Prebuilt: target-cacert-961f5451.0 (out/target/product/udooneo_6sx/obj/ETC/target-cacert-961f5451.0_intermediates/961f5451.0) target Prebuilt: target-cacert-9685a493.0 (out/target/product/udooneo_6sx/obj/ETC/target-cacert-9685a493.0_intermediates/9685a493.0) target Prebuilt: target-cacert-9772ca32.0 (out/target/product/udooneo_6sx/obj/ETC/target-cacert-9772ca32.0_intermediates/9772ca32.0) CC [M] backports/net/wireless/trace.o target Prebuilt: target-cacert-9ab62355.0 (out/target/product/udooneo_6sx/obj/ETC/target- target Prebuilt: target-cacert-a2df7ad7.0 (out/target/product/udooneo_6sx/obj/ETC/target-cacert-a2df7ad7.0_intermediates/a2df7ad7.0) CC [M] backports/net/mac80211/key.o CC [M] backports/net/wireless/ocb.o CC [M] backports/net/mac80211/util.o CC [M] backports/net/wireless/regdb.o target Prebuilt: target-cacert-a3896b44.0 (out/target/product/udooneo_6sx/obj/ETC/target-cacert-a3896b44.0_intermediates/a3896b44.0) target Prebuilt: target-cacert-a7605362.0 (out/target/product/udooneo_6sx/obj/ETC/target-cacert-a7605362.0_intermediates/a7605362.0) target Prebuilt: target-cacert-a7d2cf64.0 (out/target/product/udooneo_6sx/obj/ETC/target-cacert-a7d2cf64.0_intermediates/a7d2cf64.0) target Prebuilt: target-cacert-ab5346f4.0 (out/target/product/udooneo_6sx/obj/ETC/target-cacert-ab5346f4.0_intermediates/ab5346f4.0) LD [M] backports/net/wireless/cfg80211.o target Prebuilt: target-cacert-add67345.0 (out/target/product/udooneo_6sx/obj/ETC/target-cacert-add67345.0_intermediates/add67345.0) CC [M] backports/net/mac80211/wme.o target Prebuilt: target-cacert-aeb67534.0 (out/target/product/udooneo_6sx/obj/ETC/target-cacert-aeb67534.0_intermediates/aeb67534.0) target Prebuilt: target-cacert-b0ed035a.0 (out/target/product/udooneo_6sx/obj/ETC/target-cacert-b0ed035a.0_intermediates/b0ed035a.0) target Prebuilt: target-cacert-b0f3e76e.0 (out/target/product/udooneo_6sx/obj/ETC/target-cacert-b0f3e76e.0_intermediates/b0f3e76e.0) target Prebuilt: target-cacert-b3fb433b.0 (out/target/product/udooneo_6sx/obj/ETC/target-cacert-b3fb433b.0_intermediates/b3fb433b.0) target Prebuilt: target-cacert-b7db1890.0 (out/target/product/udooneo_6sx/obj/ETC/target-cacert-b7db1890.0_intermediates/b7db1890.0) target Prebuilt: target-cacert-b872f2b4.0 (out/target/product/udooneo_6sx/obj/ETC/target-cacert-b872f2b4.0_intermediates/b872f2b4.0) target Prebuilt: target-cacert-bc3f2570.0 (out/target/product/udooneo_6sx/obj/ETC/target-cacert-bc3f2570.0_intermediates/bc3f2570.0) target Prebuilt: target-cacert-bdacca6f.0 (out/target/product/udooneo_6sx/obj/ETC/target-cacert-bdacca6f.0_intermediates/bdacca6f.0) CC [M] backports/net/mac80211/event.o CC [M] backports/net/mac80211/chan.o CC [M] backports/net/mac80211/trace.o CC [M] backports/net/mac80211/mlme.o CC [M] backports/net/mac80211/tdls.o CC [M] backports/net/mac80211/ocb.o CC [M] backports/net/mac80211/pm.o CC [M] backports/net/mac80211/rc80211_minstrel.o CC [M] backports/net/mac80211/rc80211_minstrel_ht.o target Prebuilt: target-cacert-bf64f35b.0 (out/target/product/udooneo_6sx/obj/ETC/target-cacert-bf64f35b.0_intermediates/bf64f35b.0) host Prebuilt: insertkeys.py (out/host/linux-x86/obj/EXECUTABLES/insertkeys.py_intermediates/insertkeys.py) copy terminfo to /etc/ target Prebuilt: p2p_supplicant_advance_overlay.conf (out/target/product/udooneo_6sx/obj/ETC/p2p_supplicant_advance_overlay.conf_intermediates/p2p_supplicant_advance_overlay.conf) target Prebuilt: p2p_supplicant_overlay.conf (out/target/product/udooneo_6sx/obj/ETC/p2p_supplicant_overlay.conf_intermediates/p2p_supplicant_overlay.conf) target Prebuilt: wpa_supplicant.conf (out/target/product/udooneo_6sx/obj/ETC/wpa_supplicant.conf_intermediates/wpa_supplicant.conf) target Prebuilt: wpa_supplicant_overlay.conf (out/target/product/udooneo_6sx/obj/ETC/wpa_supplicant_overlay.conf_intermediates/wpa_supplicant_overlay.conf) target Prebuilt: AndroidClock.ttf (out/target/product/udooneo_6sx/obj/ETC/AndroidClock.ttf_intermediates/AndroidClock.ttf) target Prebuilt: AndroidClock_Highlight.ttf (out/target/product/udooneo_6sx/obj/ETC/AndroidClock_Highlight.ttf_intermediates/AndroidClock_Highlight.ttf) target Prebuilt: AndroidClock_Solid.ttf (out/target/product/udooneo_6sx/obj/ETC/AndroidClock_Solid.ttf_intermediates/AndroidClock_Solid.ttf) target Prebuilt: CarroisGothicSC-Regular.ttf (out/target/product/udooneo_6sx/obj/ETC/CarroisGothicSC-Regular.ttf_intermediates/CarroisGothicSC-Regular.ttf) target Prebuilt: Clockopia.ttf (out/target/product/udooneo_6sx/obj/ETC/Clockopia.ttf_intermediates/Clockopia.ttf) target Prebuilt: ComingSoon.ttf (out/target/product/udooneo_6sx/obj/ETC/ComingSoon.ttf_intermediates/ComingSoon.ttf) target Prebuilt: CutiveMono.ttf (out/target/product/udooneo_6sx/obj/ETC/CutiveMono.ttf_intermediates/CutiveMono.ttf) LD [M] backports/net/mac80211/mac80211.o make[2]: *** [backports] Error 2 make[1]: *** [sub-make] Error 2 target Prebuilt: DancingScript-Bold.ttf (out/target/product/udooneo_6sx/obj/ETC/DancingScript-Bold.ttf_intermediates/DancingScript-Bold.ttf) target Prebuilt: DancingScript-Regular.ttf (out/target/product/udooneo_6sx/obj/ETC/DancingScript-Regular.ttf_intermediates/DancingScript-Regular.ttf) make: *** [kernelmodules] Error 2 make: *** Waiting for unfinished jobs.... #### make failed to build some targets (02:28:06 (hh:mm:ss)) ####