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* make.texi (Reading Makefiles): != creates recursive variables.

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Reported by Ronald Hoogenboom <RHoogenboom@irdeto.com>.
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Paul Smith 2021-05-30 11:01:49 -04:00
parent b580949ae0
commit 1cffd0a203
1 changed files with 3 additions and 2 deletions
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doc/make.texi
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@ -1552,8 +1552,9 @@ immediate if the variable was previously set as a simple variable
For the shell assignment operator @samp{!=}, the right-hand side is
evaluated immediately and handed to the shell. The result is stored
in the variable named on the left, and that variable becomes a simple
variable (and will thus be re-evaluated on each reference).
in the variable named on the left, and that variable is considered a
recursively expanded variable (and will thus be re-evaluated on each
reference).
@subheading Conditional Directives
@cindex ifdef, expansion