cross compile wpa_supplicant for arm

cd wpa_supplicant

edit the .config file, copy from a default one if you don't have one.

At the beginning of .config file, add:

CFLAGS += -I/opt/ezsdk/linux-devkit/arm-none-linux-gnueabi/usr/include -O2 -I../libnl/include -D_GNU_SOURCE
LIBS += -L/opt/ezsdk/linux-devkit/arm-none-linux-gnueabi/usr/lib/ -L../libnl/lib
CC=arm-none-linux-gnueabi-gcc

Then make

Use "make V=1" to get verbose out.