• Ubuntu 14.04 (64 bit)
• Ram 2Gb+
• HDD 30Gb+
• NDK

Install additional package: sudo apt-get install libc6:i386 libncurses5:i386 libstdc++6:i386 libncurses5-dev

• cd CATB15KernelPath/kernel
• export CROSS_COMPILE=NDKPath/toolchains/arm-linux-androideabi-4.6/prebuilt/linux-x86_64/bin/arm-linux-androideabi-
• TARGET_PRODUCT=vt58 MTK_ROOT_CUSTOM=../mediatek/custom/ MTK_PATH_SOURCE=../mediatek/kernel/ MTK_PATH_PLATFORM=../mediatek/platform/mt6577/kernel/ ARCH_MTK_PLATFORM=mt6577 TARGET_BUILD_VARIANT=user ./build.sh clean
• TARGET_PRODUCT=vt58 MTK_ROOT_CUSTOM=../mediatek/custom/ MTK_PATH_SOURCE=../mediatek/kernel/ MTK_PATH_PLATFORM=../mediatek/platform/mt6577/kernel/ ARCH_MTK_PLATFORM=mt6577 TARGET_BUILD_VARIANT=user ./build.sh release

After compilation kernel binary will be placed in CATB15KernelPath/mediatek/custom/out

• Place kernel_vt58.bin kernel binary to CATB15KernelPath/bootimg
• run ./repack-MT65xx.pl -boot kernel_vt58.bin ramdisk boot.img