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* doc/make.texi: [SV 48970] Clarify the value of $?

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Paul Smith 2018-09-09 16:13:16 -04:00
parent 92032bc16a
commit 8fd614e238
1 changed files with 3 additions and 2 deletions
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doc/make.texi
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@ -9904,8 +9904,9 @@ implicit rule (@pxref{Implicit Rules}).
@vindex ? @r{(automatic variable)}
@item $?
The names of all the prerequisites that are newer than the target, with
spaces between them. For prerequisites which are archive members, only
the named member is used (@pxref{Archives}).
spaces between them. If the target does not exist, all prerequisites
will be included. For prerequisites which are archive members, only the
named member is used (@pxref{Archives}).
@cindex prerequisites, list of changed
@cindex list of changed prerequisites