Created attachment 2011 [details] build log SW version: 1.16.1 Command Step: 1. make defconfig 2. make CROSS_COMPILE=/apps/android/codesourcery/toolchain/bin/arm-none-linux-gnueabi- Result: Build failed. I added build log in attachment.
Your toolchain does not have mtd/mtd-user.h file in its include directory. You can work around this by disabling flash_eraseall applet.