fatal error: unistd.h: No such file or directory
编译android内核源码成功,然后进入perf目录, 想编译内核源码自带的perf,报错:fatal error: unistd.h: No such file or directory
编译命令是
export PATH=/usr/androidsourcecode/442/prebuilts/gcc/linux-x86/arm/arm-eabi-4.6/bin:$PATH
export ARCH=arm
export SUBARCH=arm
export CROSS_COMPILE=arm-eabi-
make
请问是什么原因,本人LINUX不熟,unistd.h:这种系统头文件不是编译链里有吗?