arm的c程序编译出现问题，请大神帮忙啊

uiabluqp

ARM里面用arm-gcc编译log（R/21），加了#include了但是报错

lh@ubuntu:~/opt/FriendlyARM/mini2451/examples/adc-test$ vi adc-test.c
' j: i: G# g+ g8 D2 I& g% Mlh@ubuntu:~/opt/FriendlyARM/mini2451/examples/adc-test$ make
arm-linux-gcc adc-test.c -Wall -O2 -o adc-test
! t& o* x& k% g) Z/ g# `- f. Z5 u/tmp/cc0sAjer.o: In function

: n( l/ ~- X' ^: l3 p: Gmain':
, W+ L% j+ E0 _1 e& ~* j. F% Tadc-test.c：（.text+0xe8): undefined reference to
log'
collect2: ld returned 1 exit status
. ]& [& f$ ^! K7 Q  u% F- b" ?make: *** [adc-test] 错误 1
- k+ _) u7 `. M! H* k大神们指点一二

relchhiclty

tolog没用定义吧

yxlk

tolog出问题了吧