[Firefox OS General] haky 86:
Hi mates i am try to port firefox os on samsung galaxy w based on android 4.3.1 (cm-10.2), well after i download ffos source and device repos, an error appear like this/

gaia/Android.mk:53: warning: overriding commands for target `out/target/product/ancora/data/local/gaia'
build/core/base_rules.mk:531: warning: ignoring old commands for target `out/target/product/ancora/data/local/gaia'
gonk-misc/Android.mk:30: warning: overriding commands for target `out/target/product/ancora/obj/ETC/init.rc_intermediates/init.rc'
build/core/prebuilt.mk:162: warning: ignoring old commands for target `out/target/product/ancora/obj/ETC/init.rc_intermediates/init.rc'
gonk-misc/Android.mk:137: warning: overriding commands for target `out/target/product/ancora/obj/DATA/sources.xml_intermediates/sources.xml'
build/core/prebuilt.mk:162: warning: ignoring old commands for target `out/target/product/ancora/obj/DATA/sources.xml_intermediates/sources.xml'
gonk-misc/Android.mk:199: warning: overriding commands for target `out/target/product/ancora/system/gecko'
build/core/base_rules.mk:531: warning: ignoring old commands for target `out/target/product/ancora/system/gecko'
gonk-misc/Android.mk:267: warning: overriding commands for target `out/target/product/ancora/obj/DATA/gecko_intermediates/gecko'
build/core/prebuilt.mk:162: warning: ignoring old commands for target `out/target/product/ancora/obj/DATA/gecko_intermediates/gecko'
build/core/Makefile:32: warning: overriding commands for target `out/target/product/ancora/system/fonts/DroidNaskh-Regular.ttf'
build/core/base_rules.mk:531: warning: ignoring old commands for target `out/target/product/ancora/system/fonts/DroidNaskh-Regular.ttf'
build/core/Makefile:32: warning: overriding commands for target `out/target/product/ancora/system/fonts/DroidSansHebrew-Regular.ttf'
build/core/base_rules.mk:531: warning: ignoring old commands for target `out/target/product/ancora/system/fonts/DroidSansHebrew-Regular.ttf'
build/core/Makefile:32: warning: overriding commands for target `out/target/product/ancora/system/fonts/DroidSansHebrew-Bold.ttf'
build/core/base_rules.mk:531: warning: ignoring old commands for target `out/target/product/ancora/system/fonts/DroidSansHebrew-Bold.ttf'
build/core/Makefile:32: warning: overriding commands for target `out/target/product/ancora/system/fonts/DroidSansArmenian.ttf'
build/core/base_rules.mk:531: warning: ignoring old commands for target `out/target/product/ancora/system/fonts/DroidSansArmenian.ttf'
build/core/Makefile:32: warning: overriding commands for target `out/target/product/ancora/system/fonts/DroidSansEthiopic-Regular.ttf'
build/core/base_rules.mk:531: warning: ignoring old commands for target `out/target/product/ancora/system/fonts/DroidSansEthiopic-Regular.ttf'
build/core/Makefile:32: warning: overriding commands for target `out/target/product/ancora/system/fonts/DroidSansFallback.ttf'
build/core/base_rules.mk:531: warning: ignoring old commands for target `out/target/product/ancora/system/fonts/DroidSansFallback.ttf'
build/core/Makefile:32: warning: overriding commands for target `out/target/product/ancora/system/fonts/DroidSansGeorgian.ttf'
build/core/base_rules.mk:531: warning: ignoring old commands for target `out/target/product/ancora/system/fonts/DroidSansGeorgian.ttf'
build/core/Makefile:32: warning: overriding commands for target `out/target/product/ancora/system/fonts/DroidSansMono.ttf'
build/core/base_rules.mk:531: warning: ignoring old commands for target `out/target/product/ancora/system/fonts/DroidSansMono.ttf'
build/core/Makefile:32: warning: overriding commands for target `out/target/product/ancora/system/fonts/DroidSerif-Regular.ttf'
build/core/base_rules.mk:531: warning: ignoring old commands for target `out/target/product/ancora/system/fonts/DroidSerif-Regular.ttf'
build/core/Makefile:32: warning: overriding commands for target `out/target/product/ancora/system/fonts/DroidSerif-Bold.ttf'
build/core/base_rules.mk:531: warning: ignoring old commands for target `out/target/product/ancora/system/fonts/DroidSerif-Bold.ttf'
build/core/Makefile:32: warning: overriding commands for target `out/target/product/ancora/system/fonts/DroidSerif-Italic.ttf'
build/core/base_rules.mk:531: warning: ignoring old commands for target `out/target/product/ancora/system/fonts/DroidSerif-Italic.ttf'
build/core/Makefile:32: warning: overriding commands for target `out/target/product/ancora/system/fonts/DroidSerif-BoldItalic.ttf'
build/core/base_rules.mk:531: warning: ignoring old commands for target `out/target/product/ancora/system/fonts/DroidSerif-BoldItalic.ttf'
build/core/Makefile:32: warning: overriding commands for target `out/target/product/ancora/system/fonts/MTLmr3m.ttf'
build/core/base_rules.mk:531: warning: ignoring old commands for target `out/target/product/ancora/system/fonts/MTLmr3m.ttf'
build/core/Makefile:32: warning: overriding commands for target `out/target/product/ancora/system/fonts/Roboto-Bold.ttf'
build/core/base_rules.mk:531: warning: ignoring old commands for target `out/target/product/ancora/system/fonts/Roboto-Bold.ttf'
build/core/Makefile:32: warning: overriding commands for target `out/target/product/ancora/system/fonts/Roboto-BoldItalic.ttf'
build/core/base_rules.mk:531: warning: ignoring old commands for target `out/target/product/ancora/system/fonts/Roboto-BoldItalic.ttf'
build/core/Makefile:32: warning: overriding commands for target `out/target/product/ancora/system/fonts/Roboto-Italic.ttf'
build/core/base_rules.mk:531: warning: ignoring old commands for target `out/target/product/ancora/system/fonts/Roboto-Italic.ttf'
build/core/Makefile:32: warning: overriding commands for target `out/target/product/ancora/system/fonts/Roboto-Regular.ttf'
build/core/base_rules.mk:531: warning: ignoring old commands for target `out/target/product/ancora/system/fonts/Roboto-Regular.ttf'
build/core/Makefile:32: warning: overriding commands for target `out/target/product/ancora/system/fonts/DroidSansThai.ttf'
build/core/base_rules.mk:531: warning: ignoring old commands for target `out/target/product/ancora/system/fonts/DroidSansThai.ttf'
build/core/Makefile:32: warning: overriding commands for target `out/target/product/ancora/root/init.qcom.rc'
build/core/base_rules.mk:531: warning: ignoring old commands for target `out/target/product/ancora/root/init.qcom.rc'
build/core/Makefile:32: warning: overriding commands for target `out/target/product/ancora/root/init.qcom.usb.rc'
build/core/base_rules.mk:531: warning: ignoring old commands for target `out/target/product/ancora/root/init.qcom.usb.rc'
build/core/Makefile:32: warning: overriding commands for target `out/target/product/ancora/root/ueventd.qcom.rc'
build/core/base_rules.mk:531: warning: ignoring old commands for target `out/target/product/ancora/root/ueventd.qcom.rc'
build/core/Makefile:32: *** Prebuilt apk found in PRODUCT_COPY_FILES: device/samsung/ancora/prebuilt/Torch.apk:system/app/Torch.apk, use BUILD_PREBUILT instead!. Stop.

what should i do?

thanks