bash - Colon used after the equal sign in a shell script -


the following taken gnu ld configure file: 

if test $ac_verc_fail = yes;    ld=: critic_missing="$critic_missing ld" fi

what's meaning of colon?

the : shell builtin equivalent true command. used no-op, e.g. after if statement. please see this excellent reply @earl more information.

best regards //kh.


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