Enabling fastboot within build

Using the menu config tool I was able generate application. But I don't know how to create the compliment app; fastboot. Added entry for fastboot in Makefile but I get the error -

*make[3]: Entering directory `/media/HDD2/fhardy/save_campo/OpenWrt/build/platforms/IPQ4019/qsdk-ipq4019/qsdk/build_dir/target-arm_cortex-a7_uClibc-1.0.14_eabi/adb-6fe92d1a3fb17545d82d020a3c995f32e6b71f9d/fastboot'*
*arm-openwrt-linux-uclibcgnueabi-gcc -Os -pipe -march=armv7-a -mtune=cortex-a7 -fno-caller-saves -fhonour-copts -Wno-error=unused-but-set-variable -Wno-error=unused-result -mfloat-abi=soft -Wl,-z,now -Wl,-z,relro -D_GNU_SOURCE -I/media/HDD2/fhardy/save_campo/OpenWrt/build/platforms/IPQ4019/qsdk-ipq4019/qsdk/staging_dir/target-arm_cortex-a7_uClibc-1.0.14_eabi/usr/include -I/media/HDD2/fhardy/save_campo/OpenWrt/build/platforms/IPQ4019/qsdk-ipq4019/qsdk/staging_dir/target-arm_cortex-a7_uClibc-1.0.14_eabi/include -I/media/HDD2/fhardy/save_campo/OpenWrt/build/platforms/IPQ4019/qsdk-ipq4019/qsdk/staging_dir/toolchain-arm_cortex-a7_gcc-4.8-linaro_uClibc-1.0.14_eabi/usr/include -I/media/HDD2/fhardy/save_campo/OpenWrt/build/platforms/IPQ4019/qsdk-ipq4019/qsdk/staging_dir/toolchain-arm_cortex-a7_gcc-4.8-linaro_uClibc-1.0.14_eabi/include -I. -I../include -I../mkbootimg -I../libsparse/include -I../include/zipfile -I../libsparse/include/sparse -I../ext4_utils  -c -o fs.o fs.c*
*fs.c:2:25: fatal error: make_ext4fs.h: No such file or directory*
* #include "make_ext4fs.h"*

Wondering if anyone has come across and overcome this issues?

Thanks
Fred