diff options
Diffstat (limited to 'make.texinfo')
-rw-r--r-- | make.texinfo | 32 |
1 files changed, 15 insertions, 17 deletions
diff --git a/make.texinfo b/make.texinfo index 18398a4..43a1eb4 100644 --- a/make.texinfo +++ b/make.texinfo @@ -5625,10 +5625,10 @@ The file name of the target of the rule. If the target is an archive member, then @samp{$@@} is the name of the archive file. @item $% -The target member name, when the target is an archive member. For -example, if the target is @file{foo.a(bar.o)} then @samp{$%} is -@file{bar.o} and @samp{$@@} is @file{foo.a}. @samp{$%} is empty -when the target is not an archive member. +The target member name, when the target is an archive member. +@xref{Archives}. For example, if the target is @file{foo.a(bar.o)} then +@samp{$%} is @file{bar.o} and @samp{$@@} is @file{foo.a}. @samp{$%} is +empty when the target is not an archive member. @item $< The name of the first dependency. if the target got its commands from @@ -5636,11 +5636,14 @@ an implicit rule, this will be the first dependency added by the implicit rule (@pxref{Implicit}). @item $? -The names of all the dependencies that are -newer than the target, with spaces between them. +The names of all the dependencies that are newer than the target, with +spaces between them. For dependencies which are archive members, only +the member named is used (@pxref{Archives}). @item $^ -The names of all the dependencies, with spaces between them. +The names of all the dependencies, with spaces between them. For +dependencies which are archive members, only the member named is used +(@pxref{Archives}). @item $* The stem with which an implicit rule matches (@pxref{Pattern Match, ,How @@ -6435,15 +6438,6 @@ that are not implemented in GNU @code{make}. Draft 11.1 of the POSIX.2 standard which specifies @code{make} does not require any of these features.@refill -GNU @code{make} has one known incompatibility with the POSIX.2 -specification: In GNU @code{make} the @samp{$?} automatic variable -(@pxref{Automatic, ,Automatic Variables}) always contains the list of -changed dependencies. In POSIX.2, elements of @samp{$?} which are -archive members (@pxref{Archive Members}) are just the member name, not -the complete name. For example, @file{foo.o} rather than -@file{lib.a(foo.o)}. Version 4 of GNU @code{make} will behave as -POSIX.2 specifies.@refill - @itemize @bullet @item A target of the form @samp{@var{file}((@var{entry}))} stands for a member @@ -6701,9 +6695,13 @@ The name of the first dependency. @item $? The names of all the dependencies that are newer than the target, with spaces between them. +For dependencies which are archive members, only +the member named is used (@pxref{Archives}). @item $^ -The names of all the dependencies, with spaces between them. +The names of all the dependencies, with spaces between them. For +dependencies which are archive members, only the member named is used +(@pxref{Archives}). @item $* The stem with which an implicit rule matches (@pxref{Pattern Match, ,How Patterns Match}). |