IŽd like to port galaxy alpha KT career version cm 12.1. So I synced cm repo and type a
make -j4 otatools
./build/tools/device/mkvendor.sh samsung sltektt ~/android/cm/boot.img
Arguments: samsung sltektt /home/fe/android/cm/boot.img
unpackbootimg not found. Is your android build environment set up and have the host tools been built?
How to solve this error?