Massage the NEWS file

This commit is contained in:
Paul Smith 2009-10-12 22:24:54 +00:00
parent baee33eb0f
commit b1d34394a8

44
NEWS
View file

@ -14,31 +14,19 @@ Version 3.81.90
* Compiling GNU make now requires a conforming ISO C 1989 compiler and * Compiling GNU make now requires a conforming ISO C 1989 compiler and
standard runtime library. standard runtime library.
* The parser for variable assignments has been enhanced to allow multiple * WARNING: Backward-incompatibility!
modifiers ('export', 'override', 'private' (see below)) on the same line as The '$?' variable now contains all prerequisites that caused the target to
variables, including define/endef variables, and in any order. Also, it is be considered out of date, even if they do not exist (previously only
possible to create variables and targets named as these modifiers. existing targets were provided in $?).
* WARNING: Backward-incompatibility! * WARNING: Backward-incompatibility!
As a result of the parser changes, two backward-compatibility issues exist: As a result of parser enhancements, two backward-compatibility issues exist:
first, a prerequisite containing an "=" cannot be escaped with a backslash first, a prerequisite containing an "=" cannot be escaped with a backslash
any longer. You must create a variable containing an "=" and use that any longer. You must create a variable containing an "=" and use that
variable in the prerequisite. Second, variable names can no longer contain variable in the prerequisite. Second, variable names can no longer contain
whitespace, unless you put the whitespace in a variable and use the whitespace, unless you put the whitespace in a variable and use the
variable. variable.
* New special variable: .RECIPEPREFIX allows you to reset the recipe
introduction character from the default (TAB) to something else. The first
character of this variable value is the new recipe introduction character.
If the variable is set to the empty string, TAB is used again. It can be
set and reset at will; recipes will use the value active when they were
first parsed.
* New variable modifier 'private': prefixing a variable assignment with the
modifier 'private' suppresses inheritance of that variable by
prerequisites. This is most useful for target- and pattern-specific
variables.
* WARNING: Backward-incompatibility! * WARNING: Backward-incompatibility!
The pattern-specific variables and pattern rules are now applied in the The pattern-specific variables and pattern rules are now applied in the
shortest stem first order instead of the definition order (variables shortest stem first order instead of the definition order (variables
@ -47,6 +35,23 @@ Version 3.81.90
patterns are preferred. To detect this feature search for 'shortest-stem' patterns are preferred. To detect this feature search for 'shortest-stem'
in the .FEATURES special variable. in the .FEATURES special variable.
* New special variable: .RECIPEPREFIX allows you to reset the recipe
introduction character from the default (TAB) to something else. The first
character of this variable value is the new recipe introduction character.
If the variable is set to the empty string, TAB is used again. It can be
set and reset at will; recipes will use the value active when they were
first parsed. To detect this feature check the value of $(.RECIPEPREFIX).
* New variable modifier 'private': prefixing a variable assignment with the
modifier 'private' suppresses inheritance of that variable by
prerequisites. This is most useful for target- and pattern-specific
variables.
* The parser for variable assignments has been enhanced to allow multiple
modifiers ('export', 'override', 'private') on the same line as variables,
including define/endef variables, and in any order. Also, it is possible
to create variables and targets named as these modifiers.
* New make directive: 'undefine' allows you to undefine a variable so * New make directive: 'undefine' allows you to undefine a variable so
that it appears as if it was never set. Both $(flavor) and $(origin) that it appears as if it was never set. Both $(flavor) and $(origin)
functions will return 'undefined' for such a variable. To detect this functions will return 'undefined' for such a variable. To detect this
@ -1036,9 +1041,8 @@ Version 3.05
------------------------------------------------------------------------------- -------------------------------------------------------------------------------
Copyright (C) 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, Copyright (C) 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997,
1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007 Free Software 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 Free
Foundation, Inc. Software Foundation, Inc. This file is part of GNU Make.
This file is part of GNU Make.
GNU Make is free software; you can redistribute it and/or modify it under the GNU Make is free software; you can redistribute it and/or modify it under the
terms of the GNU General Public License as published by the Free Software terms of the GNU General Public License as published by the Free Software