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author | Paul Smith <psmith@gnu.org> | 2002-10-25 18:42:52 +0000 |
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committer | Paul Smith <psmith@gnu.org> | 2002-10-25 18:42:52 +0000 |
commit | bd108cf45cca0a37cb82aca0f3f3516e593d638b (patch) | |
tree | 46b4e8f2a272a69fce8717072a40d45931cc3568 /doc | |
parent | 6374309c6d4d17ab1e4109133ab8aad55f77d51c (diff) | |
download | gunmake-bd108cf45cca0a37cb82aca0f3f3516e593d638b.tar.gz |
A few minor fixes to the manual and automake files.
Diffstat (limited to 'doc')
-rw-r--r-- | doc/make.texi | 26 |
1 files changed, 21 insertions, 5 deletions
diff --git a/doc/make.texi b/doc/make.texi index 3c01e0a..1f491ad 100644 --- a/doc/make.texi +++ b/doc/make.texi @@ -3627,13 +3627,17 @@ also find it useful to declare targets that invoke recursive @code{make} commands as @samp{.PHONY} (for more discussion on when this is useful, see @ref{Phony Targets}). -For your convenience, GNU @code{make} sets the variable @code{CURDIR} to -the pathname of the current working directory for you. If @code{-C} is -in effect, it will contain the path of the new directory, not the -original. The value has the same precedence it would have if it were +@vindex @code{CURDIR} +For your convenience, when GNU @code{make} starts (after it has +processed any @code{-C} options) it sets the variable @code{CURDIR} to +the pathname of the current working directory. This value is never +touched by @code{make} again: in particular note that if you include +files from other directories the value of @code{CURDIR} does not +change. The value has the same precedence it would have if it were set in the makefile (by default, an environment variable @code{CURDIR} will not override this value). Note that setting this variable has no -effect on the operation of @code{make} +impact on the operation of @code{make} (it does not cause @code{make} +to change its working directory, for example). @menu * MAKE Variable:: The special effects of using @samp{$(MAKE)}. @@ -9726,6 +9730,18 @@ and concatenate the results.@* Evaluate the variable @var{var} replacing any references to @code{$(1)}, @code{$(2)} with the first, second, etc. @var{param} values.@* @xref{Call Function, ,The @code{call} Function}. + +@item $(eval @var{text}) + +Evaluate @var{text} then read the results as makefile commands. +Expands to the empty string.@* +@xref{Eval Function, ,The @code{eval} Function}. + +@item $(value @var{var}) + +Evaluates to the contents of the variable @var{var}, with no expansion +performed on it.@* +@xref{Value Function, ,The @code{value} Function}. @end table Here is a summary of the automatic variables. |