# make depend 检查源代码完整性
打开 .d 文件发现里面是某个目标文件的全部依赖文件：
CtlInfoObject.o: CtlInfoObject.cpp CtlInfoObject.h ptl_struct.h \
../include/commserv_config.h /usr/include/features.h \
/usr/include/sys/cdefs.h /usr/include/gnu/stubs.h \
/usr/include/sys/types.h /usr/include/bits/types.h \
/usr/lib/gcc-lib/i386-redhat-linux/2.96/include/stddef.h \
/usr/include/bits/pthreadtypes.h /usr/include/bits/sched.h \
/usr/include/time.h /usr/include/semaphore.h /usr/include/sys/select.h \
/usr/include/bits/select.h /usr/include/bits/sigset.h ...............
