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Document $+ and $(+D), $(+F).

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Roland McGrath 1994-10-10 08:10:13 +00:00
parent e622fcf22e
commit 4308542cb1
1 changed files with 18 additions and 3 deletions
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make.texinfo
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@ -7110,6 +7110,14 @@ the value of @code{$^} contains just one copy of the name.
@cindex dependencies, list of all
@cindex list of all dependencies
@vindex $+
@vindex + @r{(automatic variable)}
@item $+
This is like @samp{$^}, but dependencies listed more than once are
duplicated in the order they were listed in the makefile. This is
primarily useful for use in linking commands where it is meaningful to
repeat library file names in a particular order.
@vindex $*
@vindex * @r{(automatic variable)}
@item $*
@ -7934,8 +7942,9 @@ same time. @xref{Chained Rules, ,Chains of Implicit Rules}.
@item
The automatic variable @code{$^} containing a list of all dependencies
of the current target. We did not invent this, but we have no idea who did.
@xref{Automatic, ,Automatic Variables}.
of the current target. We did not invent this, but we have no idea who
did. @xref{Automatic, ,Automatic Variables}. The automatic variable
@code{$+} is a simple extension of @code{$^}.
@item
The ``what if'' flag (@samp{-W} in GNU @code{make}) was (as far as we know)
@ -8403,9 +8412,11 @@ For dependencies which are archive members, only
the member named is used (@pxref{Archives}).
@item $^
@itemx $+
The names of all the dependencies, with spaces between them. For
dependencies which are archive members, only the member named is used
(@pxref{Archives}).
(@pxref{Archives}). The value of @code{$^} omits duplicate
dependencies, while @code{$+} retains them and preserves their order.
@item $*
The stem with which an implicit rule matches
@ -8431,6 +8442,10 @@ The directory part and the file-within-directory part of @code{$<}.
@itemx $(^F)
The directory part and the file-within-directory part of @code{$^}.
@item $(+D)
@itemx $(+F)
The directory part and the file-within-directory part of @code{$+}.
@item $(?D)
@itemx $(?F)
The directory part and the file-within-directory part of @code{$?}.