Hisi海思交叉编译iperf3,提示undefined reference to `__ctype_tolower' __ctype_b
配置方法： ./configure --host=arm-hisiv200-linux CFLAGS=-static --enable-static LDFLAGS=-static --disable-shared出现提示后，在main.c中定义static int run(struct iperf_test *test);#include __const unsigned s
