Solution to some errors in compiling the root file system in busybox

Error 1:

Miscutils/taskset. C: 15: Error: Parse error before ''' token
Miscutils/taskset. C: 16: Warning: function declaration isn' t a prototype
Miscutils/taskset. C: In function 'from _ cpuset '':
Miscutils/taskset. C: 19: Error: 'cpu _ setsize' undeclared (first use in thisfunction)
Miscutils/taskset. C: 19: Error: (each undeclared identifier is reported onlyonce
Miscutils/taskset. C: 19: Error: for each function it appears in .)
Miscutils/taskset. C: 25: Warning: Implicit declaration of function 'cpu _ isset''
Miscutils/taskset. C: 25: Error: 'mask' undeclared (first use in this function)
Miscutils/taskset. C: In function 'taskset _ main '':
Miscutils/taskset. C: 67: Error: 'cpu _ set_t ''undeclared (first use in thisfunction)
Miscutils/taskset. C: 67: Error: Parse error before "Mask"
Miscutils/taskset. C: 100: Error: 'mask' undeclared (first use in this function)
Miscutils/taskset. C: 118: Error: 'cpu _ setsize' undeclared (first use in thisfunction)
Miscutils/taskset. C: 118: Error: enumerator value for 'cnt _ bit' 'not integerconstant
Miscutils/taskset. C: 120: Warning: Implicit declaration of function 'cpu _ 0''
Miscutils/taskset. C: 124: Warning: Implicit declaration of function 'cpu _ set''

Solution:

Go to make menuconfig:
In miscellaneous utilities --->
[] Taskset
Remove the asterisks.

Error 2:

Networking/interface. C: 818: Error: 'arphrd _ InfiniBand ''undeclared here (not in a function)
Networking/interface. C: 818: Error: initializer element is not constant
Networking/interface. C: 818: Error: (near initialization for 'ib _ hwtype. type '')
Make [1]: *** [networking/interface. O] Error 1
Make: *** [networking] Error 2

Solution:

Add in networking/interface. c
# Define arphrd_infiniband 32/* InfiniBand */

Error 3:

Mkcramfs not found

Solution:
Aptitude install cramfsprogs

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In arm, check whether the Telnetd service is enabled:
# Netstat-ant
If no telnetd is displayed, the Telnetd service is not enabled.