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This commit is contained in:
wiz 2010-04-07 06:45:21 +00:00
parent b6e2a6c85f
commit 6f9ff54b1b
1 changed files with 44 additions and 44 deletions
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88
usr.bin/make/make.1
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@ -1,4 +1,4 @@
.\" $NetBSD: make.1,v 1.168 2010/04/07 00:11:27 sjg Exp $
.\" $NetBSD: make.1,v 1.169 2010/04/07 06:45:21 wiz Exp $
.\"
.\" Copyright (c) 1990, 1993
.\" The Regents of the University of California. All rights reserved.
@ -653,50 +653,12 @@ because it is more compatible with other versions of
.Nm
and cannot be confused with the special target with the same name.
.It Va .MAKE.DEPENDFILE
Names the makefile (default
Names the makefile (default
.Ql Pa .depend )
from which generated dependencies are read.
.It Va .MAKE.EXPORTED
The list of variables exported by
.Nm .
.It Va .MAKE.MAKEFILE_PREFERENCE
The ordered list of makefile names
(default
.Ql Pa makefile ,
.Ql Pa Makefile )
that
.Nm
will look for.
.It Va .MAKE.MAKEFILES
The list of makefiles read by
.Nm ,
which is useful for tracking dependencies.
Each makefile is recorded only once, regardless of the number of times read.
.It Va .MAKE.MODE
Processed after reading all makefiles.
Can affect the mode that
.Nm
runs in.
Currently just
.Ql Pa compat
mode.
.It Va .MAKE.LEVEL
The recursion depth of
.Nm .
The initial instance of
.Nm
will be 0, and an incremented value is put into the environment
to be seen by the next generation.
This allows tests like:
.Li .if ${.MAKE.LEVEL} == 0
to protect things which should only be evaluated in the initial instance of
.Nm .
.It Va .MAKE.PID
The process-id of
.Nm .
.It Va .MAKE.PPID
The parent process-id of
.Nm .
.It Va .MAKE.JOB.PREFIX
If
.Nm
@ -727,6 +689,38 @@ variable which is then
entered into the environment for all programs which
.Nm
executes.
.It Va .MAKE.LEVEL
The recursion depth of
.Nm .
The initial instance of
.Nm
will be 0, and an incremented value is put into the environment
to be seen by the next generation.
This allows tests like:
.Li .if ${.MAKE.LEVEL} == 0
to protect things which should only be evaluated in the initial instance of
.Nm .
.It Va .MAKE.MAKEFILE_PREFERENCE
The ordered list of makefile names
(default
.Ql Pa makefile ,
.Ql Pa Makefile )
that
.Nm
will look for.
.It Va .MAKE.MAKEFILES
The list of makefiles read by
.Nm ,
which is useful for tracking dependencies.
Each makefile is recorded only once, regardless of the number of times read.
.It Va .MAKE.MODE
Processed after reading all makefiles.
Can affect the mode that
.Nm
runs in.
Currently just
.Ql Pa compat
mode.
.It Va .MAKEOVERRIDES
This variable is used to record the names of variables assigned to
on the command line, so that they may be exported as part of
@ -741,6 +735,12 @@ by appending their names to
is re-exported whenever
.Ql Va .MAKEOVERRIDES
is modified.
.It Va .MAKE.PID
The process-id of
.Nm .
.It Va .MAKE.PPID
The parent process-id of
.Nm .
.It Va MAKE_PRINT_VAR_ON_ERROR
When
.Nm
@ -1313,6 +1313,9 @@ Appending a variable name to
is equivalent to exporting a variable.
.It Ic .info Ar message
The message is printed along with the name of the makefile and line number.
.It Ic .undef Ar variable
Un-define the specified global variable.
Only global variables may be un-defined.
.It Ic .unexport Ar variable ...
The opposite of
.Ql .export .
@ -1349,9 +1352,6 @@ which is the minimal useful environment.
Actually
.Ql Ev .MAKE.LEVEL
will also be pushed into the new environment.
.It Ic .undef Ar variable
Un-define the specified global variable.
Only global variables may be un-defined.
.It Ic .warning Ar message
The message prefixed by
.Ql Pa warning:
@ -1663,7 +1663,7 @@ Any command lines attached to this target are executed when another target fails
The
.Ic .ERROR_TARGET
variable is set to the target that failed.
See also
See also
.Ic MAKE_PRINT_VAR_ON_ERROR .
.It Ic .IGNORE
Mark each of the sources with the