~/mer/android/droid$ make -j1 hybris-hal
============================================
PLATFORM_VERSION_CODENAME=REL
PLATFORM_VERSION=5.1.1
CM_VERSION=12.1-20150910-UNOFFICIAL-falcon
TARGET_PRODUCT=cm_falcon
TARGET_BUILD_VARIANT=userdebug
TARGET_BUILD_TYPE=release
TARGET_BUILD_APPS=
TARGET_ARCH=arm
TARGET_ARCH_VARIANT=armv7-a-neon
TARGET_CPU_VARIANT=krait
TARGET_2ND_ARCH=
TARGET_2ND_ARCH_VARIANT=
TARGET_2ND_CPU_VARIANT=
HOST_ARCH=x86_64
HOST_OS=linux
HOST_OS_EXTRA=Linux-3.16.7-24-desktop-x86_64-with-Ubuntu-14.04-trusty
HOST_BUILD_TYPE=release
BUILD_ID=LMY48B
OUT_DIR=/home/refa/mer/android/droid/out
============================================
build/core/copy_headers.mk:15: warning: overriding commands for target `/home/refa/mer/android/droid/out/target/product/falcon/obj/include/qcom/display/copybit.h'
build/core/copy_headers.mk:15: warning: ignoring old commands for target `/home/refa/mer/android/droid/out/target/product/falcon/obj/include/qcom/display/copybit.h'
build/core/copy_headers.mk:15: warning: overriding commands for target `/home/refa/mer/android/droid/out/target/product/falcon/obj/include/qcom/display/copybit_priv.h'
build/core/copy_headers.mk:15: warning: ignoring old commands for target `/home/refa/mer/android/droid/out/target/product/falcon/obj/include/qcom/display/copybit_priv.h'
hybris/hybris-boot/Android.mk:67: ********************* /boot appears to live on /dev/block/platform/msm_sdcc.1/by-name/boot
hybris/hybris-boot/Android.mk:68: ********************* /data appears to live on /dev/block/platform/msm_sdcc.1/by-name/userdata
build/core/Makefile:46: warning: overriding commands for target `/home/refa/mer/android/droid/out/target/product/falcon/system/bin/rild'
build/core/base_rules.mk:550: warning: ignoring old commands for target `/home/refa/mer/android/droid/out/target/product/falcon/system/bin/rild'
build/core/Makefile:46: warning: overriding commands for target `/home/refa/mer/android/droid/out/target/product/falcon/system/lib/libril.so'
build/core/base_rules.mk:550: warning: ignoring old commands for target `/home/refa/mer/android/droid/out/target/product/falcon/system/lib/libril.so'
No private recovery resources for TARGET_DEVICE falcon
make  -C kernel/motorola/msm8226 O=/home/refa/mer/android/droid/out/target/product/falcon/obj/KERNEL_OBJ ARCH=arm CROSS_COMPILE="/home/refa/mer/android/droid/prebuilts/misc/linux-x86/ccache/ccache arm-eabi-" VARIANT_DEFCONFIG= SELINUX_DEFCONFIG= falcon_defconfig
make[1]: Entering directory `/home/refa/mer/android/droid/kernel/motorola/msm8226'
  GEN     /home/refa/mer/android/droid/out/target/product/falcon/obj/KERNEL_OBJ/Makefile
drivers/usb/gadget/Kconfig:881:warning: defaults for choice values not supported
#
# configuration written to .config
#
make[1]: Leaving directory `/home/refa/mer/android/droid/kernel/motorola/msm8226'
make[1]: Entering directory `/home/refa/mer/android/droid/kernel/motorola/msm8226'
  GEN     /home/refa/mer/android/droid/out/target/product/falcon/obj/KERNEL_OBJ/Makefile
drivers/usb/gadget/Kconfig:881:warning: defaults for choice values not supported
#
# configuration written to .config
#
make[1]: Leaving directory `/home/refa/mer/android/droid/kernel/motorola/msm8226'
make[1]: Entering directory `/home/refa/mer/android/droid/kernel/motorola/msm8226'
  CHK     include/linux/version.h
make[1]: Leaving directory `/home/refa/mer/android/droid/kernel/motorola/msm8226'
make  -C kernel/motorola/msm8226 O=/home/refa/mer/android/droid/out/target/product/falcon/obj/KERNEL_OBJ ARCH=arm CROSS_COMPILE="/home/refa/mer/android/droid/prebuilts/misc/linux-x86/ccache/ccache arm-eabi-" zImage
make[1]: Entering directory `/home/refa/mer/android/droid/kernel/motorola/msm8226'
  GEN     /home/refa/mer/android/droid/out/target/product/falcon/obj/KERNEL_OBJ/Makefile
scripts/kconfig/conf --silentoldconfig Kconfig
drivers/usb/gadget/Kconfig:881:warning: defaults for choice values not supported
  Using /home/refa/mer/android/droid/kernel/motorola/msm8226 as source for kernel
  GEN     /home/refa/mer/android/droid/out/target/product/falcon/obj/KERNEL_OBJ/Makefile
  CHK     include/linux/version.h
  CHK     include/generated/utsrelease.h
make[3]: `include/generated/mach-types.h' is up to date.
  CALL    /home/refa/mer/android/droid/kernel/motorola/msm8226/scripts/checksyscalls.sh
  CHK     include/generated/compile.h
  GZIP    kernel/config_data.gz
  CHK     kernel/config_data.h
  CC      drivers/usb/gadget/android.o
/home/refa/mer/android/droid/kernel/motorola/msm8226/drivers/usb/gadget/android.c:97:10: error: #include expects "FILENAME" or <FILENAME>
 #include f_fs.c
          ^
/home/refa/mer/android/droid/kernel/motorola/msm8226/drivers/usb/gadget/android.c: In function 'ffs_function_init':
/home/refa/mer/android/droid/kernel/motorola/msm8226/drivers/usb/gadget/android.c:2128:9: error: implicit declaration of function 'functionfs_init' [-Werror=implicit-function-declaration]
         return functionfs_init();
         ^
/home/refa/mer/android/droid/kernel/motorola/msm8226/drivers/usb/gadget/android.c: In function 'ffs_function_cleanup':
/home/refa/mer/android/droid/kernel/motorola/msm8226/drivers/usb/gadget/android.c:2133:9: error: implicit declaration of function 'functionfs_cleanup' [-Werror=implicit-function-declaration]
         functionfs_cleanup();
         ^
/home/refa/mer/android/droid/kernel/motorola/msm8226/drivers/usb/gadget/android.c: In function 'ffs_function_bind_config':
/home/refa/mer/android/droid/kernel/motorola/msm8226/drivers/usb/gadget/android.c:2166:9: error: implicit declaration of function 'functionfs_bind_config' [-Werror=implicit-function-declaration]
         return functionfs_bind_config(c->cdev, c, config->data);
         ^
/home/refa/mer/android/droid/kernel/motorola/msm8226/drivers/usb/gadget/android.c: In function 'functionfs_ready_callback':
/home/refa/mer/android/droid/kernel/motorola/msm8226/drivers/usb/gadget/android.c:2228:9: error: implicit declaration of function 'functionfs_bind' [-Werror=implicit-function-declaration]
         ret = functionfs_bind(ffs, dev->cdev);
         ^
/home/refa/mer/android/droid/kernel/motorola/msm8226/drivers/usb/gadget/android.c: In function 'functionfs_closed_callback':
/home/refa/mer/android/droid/kernel/motorola/msm8226/drivers/usb/gadget/android.c:2256:9: error: implicit declaration of function 'functionfs_unbind' [-Werror=implicit-function-declaration]
         functionfs_unbind(ffs);
         ^
/home/refa/mer/android/droid/kernel/motorola/msm8226/drivers/usb/gadget/android.c: At top level:
/home/refa/mer/android/droid/kernel/motorola/msm8226/drivers/usb/gadget/android.c:2113:12: warning: 'functionfs_check_dev_callback' defined but not used [-Wunused-function]
error, forbidden warning: android.c:2113
make[5]: *** [drivers/usb/gadget/android.o] Error 1
make[4]: *** [drivers/usb/gadget] Error 2
make[3]: *** [drivers/usb] Error 2
make[2]: *** [drivers] Error 2
make[1]: *** [sub-make] Error 2
make[1]: Leaving directory `/home/refa/mer/android/droid/kernel/motorola/msm8226'
make: *** [TARGET_KERNEL_BINARIES] Error 2

#### make failed to build some targets (01:47 (mm:ss)) ####