export PATH=~/Your_Toolchain_PATH/ for example /alps/prebuilts/gcc/linux-x86/arm/arm-linux-androideabi-4.6/bin Build Command: kernel

1. cd kernel directory
2. Compile Trooper2_5.0 $TARGET_PRODUCT=konka72_i171_emmc MTK_ROOT_CUSTOM=../mediatek/custom/ MTK_PATH_SOURCE=../mediatek/kernel/ MTK_PATH_PLATFORM=../mediatek/platform/mt6572/kernel/ make

Compile Trooper2_4.0 $TARGET_PRODUCT=konka72_i128_emmc MTK_ROOT_CUSTOM=../mediatek/custom/ MTK_PATH_SOURCE=../mediatek/kernel/ MTK_PATH_PLATFORM=../mediatek/platform/mt6572/kernel/ make