我有一个简单的测试程序调用pthread_cond_broadcast.与ld链接器链接时,显示：情况1：$nm ld-test | grep cond_broadcast U pthread_cond_broadcast@@GLIBC_2.3.2 当与黄金链接器链接时,它显示：案例2： $nm gold-test | grep cond_broadca