1997-04-07 07:21:16 +00:00
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GNU make NEWS -*-indented-text-*-
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History of user-visible changes.
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2009-10-25 18:34:43 +00:00
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25 Oct 2009
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1995-03-07 23:44:43 +00:00
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2006-02-20 03:34:02 +00:00
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See the end of this file for copyrights and conditions.
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1995-03-07 23:44:43 +00:00
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1999-02-22 07:23:30 +00:00
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All changes mentioned here are more fully described in the GNU make
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2002-10-25 18:42:52 +00:00
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manual, which is contained in this distribution as the file doc/make.texi.
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2005-02-16 05:38:10 +00:00
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See the README file and the GNU make manual for instructions for
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reporting bugs.
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2006-04-07 01:43:44 +00:00
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Version 3.81.90
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* Compiling GNU make now requires a conforming ISO C 1989 compiler and
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standard runtime library.
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2010-07-06 06:37:42 +00:00
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* WARNING: Backward-incompatibility!
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The POSIX standard for make was changed in the 2008 version in a
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fundamentally incompatible way: make is required to invoke the shell as if
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the '-e' flag were provided. Because this would break many makefiles that
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have been written to conform to the original text of the standard, the
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default behavior of GNU make remains to invoke the shell with simply '-c'.
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However, any makefile specifying the .POSIX special target will follow the
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new POSIX standard and pass '-e' to the shell. See also .SHELLFLAGS below.
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2009-10-12 22:24:54 +00:00
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* WARNING: Backward-incompatibility!
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The '$?' variable now contains all prerequisites that caused the target to
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be considered out of date, even if they do not exist (previously only
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existing targets were provided in $?).
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2009-05-26 01:31:40 +00:00
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* WARNING: Backward-incompatibility!
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2009-10-25 18:34:43 +00:00
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As a result of parser enhancements, three backward-compatibility issues
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exist: first, a prerequisite containing an "=" cannot be escaped with a
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backslash any longer. You must create a variable containing an "=" and use
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that variable in the prerequisite. Second, variable names can no longer
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contain whitespace, unless you put the whitespace in a variable and use the
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variable. Third, in previous versions of make it was sometimes not flagged
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as an error for explicit and pattern targets to appear in the same rule.
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Now this is always reported as an error.
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2009-05-26 01:31:40 +00:00
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2009-10-12 22:24:54 +00:00
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* WARNING: Backward-incompatibility!
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2009-10-25 00:46:52 +00:00
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The pattern-specific variables and pattern rules are now applied in the
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2009-10-12 22:24:54 +00:00
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shortest stem first order instead of the definition order (variables
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and rules with the same stem length are still applied in the definition
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order). This produces the usually-desired behavior where more specific
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patterns are preferred. To detect this feature search for 'shortest-stem'
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2009-10-25 00:46:52 +00:00
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in the .FEATURES special variable.
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2009-11-12 16:42:36 +00:00
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* WARNING: Backward-incompatibility!
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The library search behavior has changed to be compatible with the standard
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linker behavior. Prior to this version for prerequisites specified using
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the -lfoo syntax make fist searched for libfoo.so in the current directory,
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vpath directories, and system directories. If that didn't yield a match,
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make then searched for libfoo.a in these directories. Starting with this
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version make searches first for libfoo.so and then for libfoo.a in each
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of these directories in order.
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2009-10-25 00:46:52 +00:00
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* New command line option: --eval=STRING causes STRING to be evaluated as
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makefile syntax (akin to using the $(eval ...) function). The evaluation is
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performed after all default rules and variables are defined, but before any
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makefiles are read.
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2009-10-12 22:24:54 +00:00
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2007-11-04 21:54:00 +00:00
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* New special variable: .RECIPEPREFIX allows you to reset the recipe
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2009-05-26 01:31:40 +00:00
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introduction character from the default (TAB) to something else. The first
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character of this variable value is the new recipe introduction character.
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If the variable is set to the empty string, TAB is used again. It can be
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set and reset at will; recipes will use the value active when they were
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2009-10-12 22:24:54 +00:00
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first parsed. To detect this feature check the value of $(.RECIPEPREFIX).
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2009-05-26 01:31:40 +00:00
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2010-07-06 06:37:42 +00:00
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* New special variable: .SHELLFLAGS allows you to change the options passed to
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the shell when it invokes recipes. By default the value will be "-c" (or
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"-ec" if .POSIX is set).
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2009-05-26 01:31:40 +00:00
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* New variable modifier 'private': prefixing a variable assignment with the
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modifier 'private' suppresses inheritance of that variable by
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prerequisites. This is most useful for target- and pattern-specific
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variables.
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2007-11-04 21:54:00 +00:00
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2009-10-25 00:46:52 +00:00
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* New make directive: 'undefine' allows you to undefine a variable so
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that it appears as if it was never set. Both $(flavor) and $(origin)
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functions will return 'undefined' for such a variable. To detect this
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2010-07-06 06:37:42 +00:00
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feature search for 'undefine' in the .FEATURES special variable.
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2009-10-25 00:46:52 +00:00
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2009-10-12 22:24:54 +00:00
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* The parser for variable assignments has been enhanced to allow multiple
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modifiers ('export', 'override', 'private') on the same line as variables,
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including define/endef variables, and in any order. Also, it is possible
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to create variables and targets named as these modifiers.
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2009-09-28 12:31:55 +00:00
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2010-07-06 06:37:42 +00:00
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* The 'define' make directive now allows a variable assignment operator after
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the variable name, to allow for simple, conditional, or appending multi-line
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variable assignment.
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2002-10-25 18:42:52 +00:00
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2006-04-01 06:36:40 +00:00
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Version 3.81
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2003-05-02 01:44:59 +00:00
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* GNU make is ported to OS/2.
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2005-02-28 07:48:22 +00:00
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2006-01-04 14:45:16 +00:00
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* GNU make is ported to MinGW. The MinGW build is only supported by
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the build_w32.bat batch file; see the file README.W32 for more
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details.
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2005-02-28 07:48:22 +00:00
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2006-03-15 03:31:30 +00:00
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* WARNING: Future backward-incompatibility!
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Up to and including this release, the '$?' variable does not contain
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any prerequisite that does not exist, even though that prerequisite
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might have caused the target to rebuild. Starting with the _next_
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release of GNU make, '$?' will contain all prerequisites that caused
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the target to be considered out of date. See this Savannah bug:
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http://savannah.gnu.org/bugs/index.php?func=detailitem&item_id=16051
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2005-03-04 12:52:32 +00:00
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* WARNING: Backward-incompatibility!
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GNU make now implements a generic "second expansion" feature on the
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2005-10-24 13:01:39 +00:00
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prerequisites of both explicit and implicit (pattern) rules. In order
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to enable this feature, the special target '.SECONDEXPANSION' must be
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defined before the first target which takes advantage of it. If this
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feature is enabled then after all rules have been parsed the
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prerequisites are expanded again, this time with all the automatic
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variables in scope. This means that in addition to using standard
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SysV $$@ in prerequisites lists, you can also use complex functions
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such as $$(notdir $$@) etc. This behavior applies to implicit rules,
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as well, where the second expansion occurs when the rule is matched.
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2006-02-11 19:02:21 +00:00
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However, this means that when '.SECONDEXPANSION' is enabled you must
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double-quote any "$" in your filenames; instead of "foo: boo$$bar" you
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now must write "foo: foo$$$$bar". Note that the SysV $$@ etc. feature,
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which used to be available by default, is now ONLY available when the
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.SECONDEXPANSION target is defined. If your makefiles take advantage
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of this SysV feature you will need to update them.
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2005-03-04 12:52:32 +00:00
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2005-06-26 03:31:29 +00:00
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* WARNING: Backward-incompatibility!
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In order to comply with POSIX, the way in which GNU make processes
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2007-11-04 21:54:00 +00:00
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backslash-newline sequences in recipes has changed. If your makefiles
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use backslash-newline sequences inside of single-quoted strings in
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recipes you will be impacted by this change. See the GNU make manual
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subsection "Splitting Recipe Lines" (node "Splitting Lines"), in
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section "Recipe Syntax", chapter "Writing Recipe in Rules", for
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details.
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2006-03-08 20:15:08 +00:00
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* WARNING: Backward-incompatibility!
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Some previous versions of GNU make had a bug where "#" in a function
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invocation such as $(shell ...) was treated as a make comment. A
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workaround was to escape these with backslashes. This bug has been
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fixed: if your makefile uses "\#" in a function invocation the
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backslash is now preserved, so you'll need to remove it.
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2005-06-26 03:31:29 +00:00
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2007-11-04 21:54:00 +00:00
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* New command line option: -L (--check-symlink-times). On systems that
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2005-02-28 07:48:22 +00:00
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support symbolic links, if this option is given then GNU make will
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use the most recent modification time of any symbolic links that are
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used to resolve target files. The default behavior remains as it
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always has: use the modification time of the actual target file only.
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2003-05-02 01:44:59 +00:00
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2006-01-04 14:45:16 +00:00
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* The "else" conditional line can now be followed by any other valid
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2005-05-13 12:45:30 +00:00
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conditional on the same line: this does not increase the depth of the
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2005-06-09 19:19:20 +00:00
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conditional nesting, so only one "endif" is required to close the
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conditional.
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2005-05-13 12:45:30 +00:00
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2003-05-02 01:44:59 +00:00
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* All pattern-specific variables that match a given target are now used
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(previously only the first match was used).
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* Target-specific variables can be marked as exportable using the
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"export" keyword.
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* In a recursive $(call ...) context, any extra arguments from the outer
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call are now masked in the context of the inner call.
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2004-01-21 06:32:59 +00:00
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* Implemented a solution for the "thundering herd" problem with "-j -l".
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This version of GNU make uses an algorithm suggested by Thomas Riedl
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<thomas.riedl@siemens.com> to track the number of jobs started in the
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2005-02-28 07:48:22 +00:00
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last second and artificially adjust GNU make's view of the system's
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load average accordingly.
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* New special variables available in this release:
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2005-11-14 15:31:13 +00:00
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- .INCLUDE_DIRS: Expands to a list of directories that make searches
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for included makefiles.
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2005-04-08 12:51:20 +00:00
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- .FEATURES: Contains a list of special features available in this
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version of GNU make.
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2005-05-03 13:57:20 +00:00
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- .DEFAULT_GOAL: Set the name of the default goal make will
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use if no goals are provided on the command line.
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2005-06-25 18:57:28 +00:00
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- MAKE_RESTARTS: If set, then this is the number of times this
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instance of make has been restarted (see "How Makefiles Are Remade"
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in the manual).
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2005-03-04 12:52:32 +00:00
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- New automatic variable: $| (added in 3.80, actually): contains all
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the order-only prerequisites defined for the target.
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2004-01-21 06:32:59 +00:00
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2005-02-16 05:38:10 +00:00
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* New functions available in this release:
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- $(lastword ...) returns the last word in the list. This gives
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identical results as $(word $(words ...) ...), but is much faster.
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- $(abspath ...) returns the absolute path (all "." and ".."
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directories resolved, and any duplicate "/" characters removed) for
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each path provided.
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- $(realpath ...) returns the canonical pathname for each path
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provided. The canonical pathname is the absolute pathname, with
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all symbolic links resolved as well.
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2005-07-04 03:50:59 +00:00
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- $(info ...) prints its arguments to stdout. No makefile name or
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line number info, etc. is printed.
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2005-11-17 07:27:28 +00:00
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- $(flavor ...) returns the flavor of a variable.
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2006-02-10 05:29:00 +00:00
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- $(or ...) provides a short-circuiting OR conditional: each argument
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is expanded. The first true (non-empty) argument is returned; no
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further arguments are expanded. Expands to empty if there are no
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true arguments.
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- $(and ...) provides a short-circuiting AND conditional: each
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argument is expanded. The first false (empty) argument is
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returned; no further arguments are expanded. Expands to the last
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argument if all arguments are true.
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2005-02-16 05:38:10 +00:00
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* Changes made for POSIX compatibility:
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2007-11-04 21:54:00 +00:00
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- Only touch targets (under -t) if they have a recipe.
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2005-02-16 05:38:10 +00:00
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- Setting the SHELL make variable does NOT change the value of the
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SHELL environment variable given to programs invoked by make. As
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an enhancement to POSIX, if you export the make variable SHELL then
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it will be set in the environment, just as before.
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2006-01-04 14:45:16 +00:00
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* On MS Windows systems, explicitly setting SHELL to a pathname ending
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in "cmd" or "cmd.exe" (case-insensitive) will force GNU make to use
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the DOS command interpreter in batch mode even if a UNIX-like shell
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could be found on the system.
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* On VMS there is now support for case-sensitive filesystems such as ODS5.
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See the readme.vms file for information.
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2004-09-21 13:51:58 +00:00
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2006-02-01 07:54:22 +00:00
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* Parallel builds (-jN) no longer require a working Bourne shell on
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Windows platforms. They work even with the stock Windows shells, such
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as cmd.exe and command.com.
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2005-07-04 03:50:59 +00:00
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* Updated to autoconf 2.59, automake 1.9.5, and gettext 0.14.1. Users
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2003-07-31 13:04:32 +00:00
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should not be impacted.
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2005-02-16 05:38:10 +00:00
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* New translations for Swedish, Chinese (simplified), Ukrainian,
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2005-04-08 12:51:20 +00:00
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Belarusian, Finnish, Kinyarwandan, and Irish. Many updated
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translations.
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2005-02-16 05:38:10 +00:00
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2006-01-04 14:45:16 +00:00
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A complete list of bugs fixed in this version is available here:
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2006-04-01 06:36:40 +00:00
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http://savannah.gnu.org/bugs/index.php?group=make&report_id=111&fix_release_id=103
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2006-01-04 14:45:16 +00:00
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1998-07-30 20:54:47 +00:00
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2002-07-10 12:59:07 +00:00
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Version 3.80
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2002-04-20 19:25:54 +00:00
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2002-07-09 06:35:56 +00:00
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* A new feature exists: order-only prerequisites. These prerequisites
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affect the order in which targets are built, but they do not impact
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the rebuild/no-rebuild decision of their dependents. That is to say,
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they allow you to require target B be built before target A, without
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requiring that target A will always be rebuilt if target B is updated.
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Patch for this feature provided by Greg McGary <greg@mcgary.org>.
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2002-07-10 12:59:07 +00:00
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* For compatibility with SysV make, GNU make now supports the peculiar
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syntax $$@, $$(@D), and $$(@F) in the prerequisites list of a rule.
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This syntax is only valid within explicit and static pattern rules: it
|
|
|
|
|
cannot be used in implicit (suffix or pattern) rules. Edouard G. Parmelan
|
|
|
|
|
<egp@free.fr> provided a patch implementing this feature; however, I
|
2002-09-03 21:43:04 +00:00
|
|
|
|
decided to implement it in a different way.
|
2002-07-10 12:59:07 +00:00
|
|
|
|
|
2002-09-10 20:59:03 +00:00
|
|
|
|
* The argument to the "ifdef" conditional is now expanded before it's
|
|
|
|
|
tested, so it can be a constructed variable name.
|
|
|
|
|
|
|
|
|
|
Similarly, the arguments to "export" (when not used in a variable
|
|
|
|
|
definition context) and "unexport" are also now expanded.
|
|
|
|
|
|
2002-09-03 21:43:04 +00:00
|
|
|
|
* A new function is defined: $(value ...). The argument to this
|
2002-07-08 02:26:47 +00:00
|
|
|
|
function is the _name_ of a variable. The result of the function is
|
|
|
|
|
the value of the variable, without having been expanded.
|
|
|
|
|
|
|
|
|
|
* A new function is defined: $(eval ...). The arguments to this
|
|
|
|
|
function should expand to makefile commands, which will then be
|
|
|
|
|
evaluated as if they had appeared in the makefile. In combination
|
|
|
|
|
with define/endef multiline variable definitions this is an extremely
|
2002-09-10 20:59:03 +00:00
|
|
|
|
powerful capability. The $(value ...) function is also sometimes
|
|
|
|
|
useful here.
|
2002-07-08 02:26:47 +00:00
|
|
|
|
|
|
|
|
|
* A new built-in variable is defined, $(MAKEFILE_LIST). It contains a
|
|
|
|
|
list of each makefile GNU make has read, or started to read, in the
|
|
|
|
|
order in which they were encountered. So, the last filename in the
|
|
|
|
|
list when a makefile is just being read (before any includes) is the
|
|
|
|
|
name of the current makefile.
|
|
|
|
|
|
2002-08-08 00:11:19 +00:00
|
|
|
|
* A new built-in variable is defined: $(.VARIABLES). When it is
|
|
|
|
|
expanded it returns a complete list of variable names defined by all
|
|
|
|
|
makefiles at that moment.
|
|
|
|
|
|
2007-11-04 21:54:00 +00:00
|
|
|
|
* A new command line option is defined, -B or --always-make. If
|
2002-08-08 00:11:19 +00:00
|
|
|
|
specified GNU make will consider all targets out-of-date even if they
|
|
|
|
|
would otherwise not be.
|
2002-08-01 13:16:57 +00:00
|
|
|
|
|
2002-04-20 19:25:54 +00:00
|
|
|
|
* The arguments to $(call ...) functions were being stored in $1, $2,
|
|
|
|
|
etc. as recursive variables, even though they are fully expanded
|
|
|
|
|
before assignment. This means that escaped dollar signs ($$ etc.)
|
|
|
|
|
were not behaving properly. Now the arguments are stored as simple
|
|
|
|
|
variables. This may mean that if you added extra escaping to your
|
|
|
|
|
$(call ...) function arguments you will need to undo it now.
|
2001-06-01 03:56:50 +00:00
|
|
|
|
|
2002-09-03 21:43:04 +00:00
|
|
|
|
* The variable invoked by $(call ...) can now be recursive: unlike other
|
|
|
|
|
variables it can reference itself and this will not produce an error
|
|
|
|
|
when it is used as the first argument to $(call ...) (but only then).
|
|
|
|
|
|
2000-07-30 18:26:42 +00:00
|
|
|
|
* New pseudo-target .LOW_RESOLUTION_TIME, superseding the configure
|
|
|
|
|
option --disable-nsec-timestamps. You might need this if your build
|
|
|
|
|
process depends on tools like "cp -p" preserving time stamps, since
|
|
|
|
|
"cp -p" (right now) doesn't preserve the subsecond portion of a time
|
|
|
|
|
stamp.
|
|
|
|
|
|
2002-04-20 19:25:54 +00:00
|
|
|
|
* Updated translations for French, Galician, German, Japanese, Korean,
|
2002-04-22 04:35:19 +00:00
|
|
|
|
and Russian. New translations for Croatian, Danish, Hebrew, and
|
|
|
|
|
Turkish.
|
2002-04-21 23:57:24 +00:00
|
|
|
|
|
2002-09-10 20:59:03 +00:00
|
|
|
|
* Updated internationalization support to Gettext 0.11.5.
|
2002-04-21 23:57:24 +00:00
|
|
|
|
GNU make now uses Gettext's "external" feature, and does not include
|
|
|
|
|
any internationalization code itself. Configure will search your
|
|
|
|
|
system for an existing implementation of GNU Gettext (only GNU Gettext
|
|
|
|
|
is acceptable) and use it if it exists. If not, NLS will be disabled.
|
|
|
|
|
See ABOUT-NLS for more information.
|
|
|
|
|
|
2002-10-04 03:17:56 +00:00
|
|
|
|
* Updated to autoconf 2.54 and automake 1.7. Users should not be impacted.
|
2006-01-04 14:45:16 +00:00
|
|
|
|
|
|
|
|
|
A complete list of bugs fixed in this version is available here:
|
|
|
|
|
|
|
|
|
|
http://savannah.gnu.org/bugs/index.php?group=make&report_id=111&fix_release_id=102
|
|
|
|
|
|
2001-06-01 03:56:50 +00:00
|
|
|
|
|
2000-06-20 05:48:40 +00:00
|
|
|
|
Version 3.79.1
|
|
|
|
|
|
2000-06-23 18:55:43 +00:00
|
|
|
|
* .SECONDARY with no prerequisites now prevents any target from being
|
|
|
|
|
removed because make thinks it's an intermediate file, not just those
|
|
|
|
|
listed in the makefile.
|
|
|
|
|
|
2000-07-30 18:26:42 +00:00
|
|
|
|
* New configure option --disable-nsec-timestamps, but this was
|
|
|
|
|
superseded in later versions by the .LOW_RESOLUTION_TIME pseudo-target.
|
2000-06-20 05:48:40 +00:00
|
|
|
|
|
1999-11-17 07:33:47 +00:00
|
|
|
|
Version 3.79
|
1999-10-15 07:00:58 +00:00
|
|
|
|
|
2000-01-22 08:59:09 +00:00
|
|
|
|
* GNU make optionally supports internationalization and locales via the
|
|
|
|
|
GNU gettext (or local gettext if suitable) package. See the ABOUT-NLS
|
|
|
|
|
file for more information on configuring GNU make for NLS.
|
|
|
|
|
|
1999-10-15 07:00:58 +00:00
|
|
|
|
* Previously, GNU make quoted variables such as MAKEFLAGS and
|
|
|
|
|
MAKEOVERRIDES for proper parsing by the shell. This allowed them to
|
|
|
|
|
be used within make build scripts. However, using them there is not
|
|
|
|
|
proper behavior: they are meant to be passed to subshells via the
|
|
|
|
|
environment. Unfortunately the values were not quoted properly to be
|
2000-02-05 07:37:40 +00:00
|
|
|
|
passed through the environment. This meant that make didn't properly
|
|
|
|
|
pass some types of command line values to submakes.
|
1999-10-15 07:00:58 +00:00
|
|
|
|
|
|
|
|
|
With this version we change that behavior: now these variables are
|
|
|
|
|
quoted properly for passing through the environment, which is the
|
|
|
|
|
correct way to do it. If you previously used these variables
|
|
|
|
|
explicitly within a make rule you may need to re-examine your use for
|
|
|
|
|
correctness given this change.
|
|
|
|
|
|
2000-07-07 17:34:56 +00:00
|
|
|
|
* A new pseudo-target .NOTPARALLEL is available. If defined, the
|
2000-02-05 07:37:40 +00:00
|
|
|
|
current makefile is run serially regardless of the value of -j.
|
|
|
|
|
However, submakes are still eligible for parallel execution.
|
1999-11-22 06:15:35 +00:00
|
|
|
|
|
2000-01-23 07:05:16 +00:00
|
|
|
|
* The --debug option has changed: it now allows optional flags
|
1999-12-08 20:13:50 +00:00
|
|
|
|
controlling the amount and type of debugging output. By default only
|
|
|
|
|
a minimal amount information is generated, displaying the names of
|
2000-04-05 16:02:55 +00:00
|
|
|
|
"normal" targets (not makefiles) that were deemed out of date and in
|
|
|
|
|
need of being rebuilt.
|
2000-01-22 05:43:03 +00:00
|
|
|
|
|
2000-02-05 07:37:40 +00:00
|
|
|
|
Note that the -d option behaves as before: it takes no arguments and
|
|
|
|
|
all debugging information is generated.
|
|
|
|
|
|
|
|
|
|
* The `-p' (print database) output now includes filename and linenumber
|
2000-06-13 05:22:52 +00:00
|
|
|
|
information for variable definitions, to aid debugging.
|
2000-01-23 07:05:16 +00:00
|
|
|
|
|
2000-04-05 16:02:55 +00:00
|
|
|
|
* The wordlist function no longer reverses its arguments if the "start"
|
|
|
|
|
value is greater than the "end" value. If that's true, nothing is
|
|
|
|
|
returned.
|
|
|
|
|
|
2000-01-22 05:43:03 +00:00
|
|
|
|
* Hartmut Becker provided many updates for the VMS port of GNU make.
|
|
|
|
|
See the readme.vms file for more details.
|
1999-11-17 07:33:47 +00:00
|
|
|
|
|
1999-02-22 07:23:30 +00:00
|
|
|
|
Version 3.78
|
|
|
|
|
|
1999-08-13 07:36:26 +00:00
|
|
|
|
* Two new functions, $(error ...) and $(warning ...) are available. The
|
1999-03-26 04:04:42 +00:00
|
|
|
|
former will cause make to fail and exit immediately upon expansion of
|
|
|
|
|
the function, with the text provided as the error message. The latter
|
|
|
|
|
causes the text provided to be printed as a warning message, but make
|
|
|
|
|
proceeds normally.
|
|
|
|
|
|
1999-08-13 07:36:26 +00:00
|
|
|
|
* A new function $(call ...) is available. This allows users to create
|
1999-07-21 16:06:18 +00:00
|
|
|
|
their own parameterized macros and invoke them later. Original
|
1999-08-13 07:36:26 +00:00
|
|
|
|
implementation of this function was provided by Han-Wen Nienhuys
|
1999-07-15 07:36:44 +00:00
|
|
|
|
<hanwen@cs.uu.nl>.
|
|
|
|
|
|
1999-08-13 07:36:26 +00:00
|
|
|
|
* A new function $(if ...) is available. It provides if-then-else
|
|
|
|
|
capabilities in a builtin function. Original implementation of this
|
|
|
|
|
function was provided by Han-Wen Nienhuys <hanwen@cs.uu.nl>.
|
|
|
|
|
|
1999-02-22 07:23:30 +00:00
|
|
|
|
* Make defines a new variable, .LIBPATTERNS. This variable controls how
|
1999-04-02 06:19:33 +00:00
|
|
|
|
library dependency expansion (dependencies like ``-lfoo'') is performed.
|
1999-03-31 23:25:13 +00:00
|
|
|
|
|
1999-07-21 16:06:18 +00:00
|
|
|
|
* Make accepts CRLF sequences as well as traditional LF, for
|
1999-04-02 06:19:33 +00:00
|
|
|
|
compatibility with makefiles created on other operating systems.
|
1999-04-25 04:30:55 +00:00
|
|
|
|
|
1999-07-08 06:49:52 +00:00
|
|
|
|
* Make accepts a new option: -R, or --no-builtin-variables. This option
|
|
|
|
|
disables the definition of the rule-specific builtin variables (CC,
|
|
|
|
|
LD, AR, etc.). Specifying this option forces -r (--no-builtin-rules)
|
|
|
|
|
as well.
|
|
|
|
|
|
1999-07-15 07:36:44 +00:00
|
|
|
|
* A "job server" feature, suggested by Howard Chu <hyc@highlandsun.com>.
|
1999-04-25 04:30:55 +00:00
|
|
|
|
|
|
|
|
|
On systems that support POSIX pipe(2) semantics, GNU make can now pass
|
|
|
|
|
-jN options to submakes rather than forcing them all to use -j1. The
|
|
|
|
|
top make and all its sub-make processes use a pipe to communicate with
|
|
|
|
|
each other to ensure that no more than N jobs are started across all
|
|
|
|
|
makes. To get the old behavior of -j back, you can configure make
|
|
|
|
|
with the --disable-job-server option.
|
1999-08-24 04:49:39 +00:00
|
|
|
|
|
|
|
|
|
* The confusing term "dependency" has been replaced by the more accurate
|
|
|
|
|
and standard term "prerequisite", both in the manual and in all GNU make
|
|
|
|
|
output.
|
1999-09-01 03:58:04 +00:00
|
|
|
|
|
|
|
|
|
* GNU make supports the "big archive" library format introduced in AIX 4.3.
|
|
|
|
|
|
|
|
|
|
* GNU make supports large files on AIX, HP-UX, and IRIX. These changes
|
|
|
|
|
were provided by Paul Eggert <eggert@twinsun.com>. (Large file
|
|
|
|
|
support for Solaris and Linux was introduced in 3.77, but the
|
|
|
|
|
configuration had issues: these have also been resolved).
|
|
|
|
|
|
|
|
|
|
* The Windows 95/98/NT (W32) version of GNU make now has native support
|
|
|
|
|
for the Cygnus Cygwin release B20.1 shell (bash).
|
1999-09-16 05:58:44 +00:00
|
|
|
|
|
|
|
|
|
* The GNU make regression test suite, long available separately "under
|
|
|
|
|
the table", has been integrated into the release. You can invoke it
|
|
|
|
|
by running "make check" in the distribution. Note that it requires
|
|
|
|
|
Perl (either Perl 4 or Perl 5) to run.
|
1999-02-22 07:23:30 +00:00
|
|
|
|
|
1998-07-30 20:54:47 +00:00
|
|
|
|
Version 3.77
|
|
|
|
|
|
|
|
|
|
* Implement BSD make's "?=" variable assignment operator. The variable
|
|
|
|
|
is assigned the specified value only if that variable is not already
|
|
|
|
|
defined.
|
|
|
|
|
|
|
|
|
|
* Make defines a new variable, "CURDIR", to contain the current working
|
|
|
|
|
directory (after the -C option, if any, has been processed).
|
|
|
|
|
Modifying this variable has no effect on the operation of make.
|
|
|
|
|
|
|
|
|
|
* Make defines a new default RCS rule, for new-style master file
|
|
|
|
|
storage: ``% :: RCS/%'' (note no ``,v'' suffix).
|
|
|
|
|
|
|
|
|
|
Make defines new default rules for DOS-style C++ file naming
|
|
|
|
|
conventions, with ``.cpp'' suffixes. All the same rules as for
|
|
|
|
|
``.cc'' and ``.C'' suffixes are provided, along with LINK.cpp and
|
|
|
|
|
COMPILE.cpp macros (which default to the same value as LINK.cc and
|
|
|
|
|
COMPILE.cc). Note CPPFLAGS is still C preprocessor flags! You should
|
|
|
|
|
use CXXFLAGS to change C++ compiler flags.
|
|
|
|
|
|
|
|
|
|
* A new feature, "target-specific variable values", has been added.
|
|
|
|
|
This is a large change so please see the appropriate sections of the
|
|
|
|
|
manual for full details. Briefly, syntax like this:
|
|
|
|
|
|
|
|
|
|
TARGET: VARIABLE = VALUE
|
|
|
|
|
|
|
|
|
|
defines VARIABLE as VALUE within the context of TARGET. This is
|
|
|
|
|
similar to SunOS make's "TARGET := VARIABLE = VALUE" feature. Note
|
|
|
|
|
that the assignment may be of any type, not just recursive, and that
|
|
|
|
|
the override keyword is available.
|
|
|
|
|
|
|
|
|
|
COMPATIBILITY: This new syntax means that if you have any rules where
|
|
|
|
|
the first or second dependency has an equal sign (=) in its name,
|
|
|
|
|
you'll have to escape them with a backslash: "foo : bar\=baz".
|
|
|
|
|
Further, if you have any dependencies which already contain "\=",
|
|
|
|
|
you'll have to escape both of them: "foo : bar\\\=baz".
|
|
|
|
|
|
|
|
|
|
* A new appendix listing the most common error and warning messages
|
|
|
|
|
generated by GNU make, with some explanation, has been added to the
|
|
|
|
|
GNU make User's Manual.
|
|
|
|
|
|
|
|
|
|
* Updates to the GNU make Customs library support (see README.customs).
|
|
|
|
|
|
|
|
|
|
* Updates to the Windows 95/NT port from Rob Tulloh (see README.W32),
|
|
|
|
|
and to the DOS port from Eli Zaretski (see README.DOS).
|
1995-03-07 23:44:43 +00:00
|
|
|
|
|
1997-09-19 19:47:55 +00:00
|
|
|
|
Version 3.76.1
|
|
|
|
|
|
|
|
|
|
* Small (but serious) bug fix. Quick rollout to get into the GNU source CD.
|
|
|
|
|
|
1997-04-07 07:21:16 +00:00
|
|
|
|
Version 3.76
|
|
|
|
|
|
1997-08-18 20:14:30 +00:00
|
|
|
|
* GNU make now uses automake to control Makefile.in generation. This
|
|
|
|
|
should make it more consistent with the GNU standards.
|
|
|
|
|
|
1997-04-07 07:21:16 +00:00
|
|
|
|
* VPATH functionality has been changed to incorporate the VPATH+ patch,
|
|
|
|
|
previously maintained by Paul Smith <psmith@baynetworks.com>. See the
|
|
|
|
|
manual.
|
|
|
|
|
|
|
|
|
|
* Make defines a new variable, `MAKECMDGOALS', to contain the goals that
|
|
|
|
|
were specified on the command line, if any. Modifying this variable
|
|
|
|
|
has no effect on the operation of make.
|
|
|
|
|
|
|
|
|
|
* A new function, `$(wordlist S,E,TEXT)', is available: it returns a
|
|
|
|
|
list of words from number S to number E (inclusive) of TEXT.
|
|
|
|
|
|
|
|
|
|
* Instead of an error, detection of future modification times gives a
|
1997-08-18 18:11:04 +00:00
|
|
|
|
warning and continues. The warning is repeated just before GNU make
|
|
|
|
|
exits, so it is less likely to be lost.
|
1997-04-07 07:21:16 +00:00
|
|
|
|
|
|
|
|
|
* Fix the $(basename) and $(suffix) functions so they only operate on
|
|
|
|
|
the last filename, not the entire string:
|
|
|
|
|
|
|
|
|
|
Command Old Result New Result
|
|
|
|
|
------- ---------- ----------
|
|
|
|
|
$(basename a.b) a a
|
|
|
|
|
$(basename a.b/c) a a.b/c
|
|
|
|
|
$(suffix a.b) b b
|
|
|
|
|
$(suffix a.b/c) b/c <empty>
|
|
|
|
|
|
1997-08-18 18:11:04 +00:00
|
|
|
|
* The $(strip) function now removes newlines as well as TABs and spaces.
|
|
|
|
|
|
1997-09-16 14:17:23 +00:00
|
|
|
|
* The $(shell) function now changes CRLF (\r\n) pairs to a space as well
|
|
|
|
|
as newlines (\n).
|
|
|
|
|
|
1997-04-07 07:21:16 +00:00
|
|
|
|
* Updates to the Windows 95/NT port from Rob Tulloh (see README.W32).
|
|
|
|
|
|
|
|
|
|
* Eli Zaretskii has updated the port to 32-bit protected mode on MSDOS
|
|
|
|
|
and MS-Windows, building with the DJGPP v2 port of GNU C/C++ compiler
|
|
|
|
|
and utilities. See README.DOS for details, and direct all questions
|
|
|
|
|
concerning this port to Eli Zaretskii <eliz@is.elta.co.il> or DJ
|
|
|
|
|
Delorie <dj@delorie.com>.
|
1997-09-16 14:17:23 +00:00
|
|
|
|
|
|
|
|
|
* John W. Eaton has updated the VMS port to support libraries and VPATH.
|
1997-04-07 07:21:16 +00:00
|
|
|
|
|
1995-12-12 04:54:41 +00:00
|
|
|
|
Version 3.75
|
|
|
|
|
|
|
|
|
|
* The directory messages printed by `-w' and implicitly in sub-makes,
|
|
|
|
|
are now omitted if Make runs no commands and has no other messages to print.
|
1996-03-01 17:00:57 +00:00
|
|
|
|
|
|
|
|
|
* Make now detects files that for whatever reason have modification times
|
|
|
|
|
in the future and gives an error. Files with such impossible timestamps
|
|
|
|
|
can result from unsynchronized clocks, or archived distributions
|
|
|
|
|
containing bogus timestamps; they confuse Make's dependency engine
|
|
|
|
|
thoroughly.
|
1996-05-09 17:24:04 +00:00
|
|
|
|
|
|
|
|
|
* The new directive `sinclude' is now recognized as another name for
|
|
|
|
|
`-include', for compatibility with some other Makes.
|
1996-05-09 18:40:55 +00:00
|
|
|
|
|
|
|
|
|
* Aaron Digulla has contributed a port to AmigaDOS. See README.Amiga for
|
|
|
|
|
details, and direct all Amiga-related questions to <digulla@fh-konstanz.de>.
|
1996-05-27 00:58:20 +00:00
|
|
|
|
|
|
|
|
|
* Rob Tulloh of Tivoli Systems has contributed a port to Windows NT or 95.
|
1997-04-07 07:21:16 +00:00
|
|
|
|
See README.W32 for details, and direct all Windows-related questions to
|
1996-05-27 00:58:20 +00:00
|
|
|
|
<rob_tulloh@tivoli.com>.
|
1995-12-12 04:54:41 +00:00
|
|
|
|
|
1995-03-07 23:44:43 +00:00
|
|
|
|
Version 3.73
|
|
|
|
|
|
|
|
|
|
* Converted to use Autoconf version 2, so `configure' has some new options.
|
|
|
|
|
See INSTALL for details.
|
|
|
|
|
|
|
|
|
|
* You can now send a SIGUSR1 signal to Make to toggle printing of debugging
|
1995-12-12 04:55:06 +00:00
|
|
|
|
output enabled by -d, at any time during the run.
|
1995-03-07 23:44:43 +00:00
|
|
|
|
|
|
|
|
|
Version 3.72
|
|
|
|
|
|
|
|
|
|
* DJ Delorie has ported Make to MS-DOS using the GO32 extender.
|
|
|
|
|
He is maintaining the DOS port, not the GNU Make maintainer;
|
|
|
|
|
please direct bugs and questions for DOS to <djgpp@sun.soe.clarkson.edu>.
|
1996-07-19 21:43:36 +00:00
|
|
|
|
MS-DOS binaries are available for FTP from ftp.simtel.net in
|
|
|
|
|
/pub/simtelnet/gnu/djgpp/.
|
1995-03-07 23:44:43 +00:00
|
|
|
|
|
|
|
|
|
* The `MAKEFLAGS' variable (in the environment or in a makefile) can now
|
|
|
|
|
contain variable definitions itself; these are treated just like
|
2007-11-04 21:54:00 +00:00
|
|
|
|
command line variable definitions. Make will automatically insert any
|
1995-03-07 23:44:43 +00:00
|
|
|
|
variable definitions from the environment value of `MAKEFLAGS' or from
|
|
|
|
|
the command line, into the `MAKEFLAGS' value exported to children. The
|
|
|
|
|
`MAKEOVERRIDES' variable previously included in the value of `$(MAKE)'
|
|
|
|
|
for sub-makes is now included in `MAKEFLAGS' instead. As before, you can
|
|
|
|
|
reset `MAKEOVERRIDES' in your makefile to avoid putting all the variables
|
|
|
|
|
in the environment when its size is limited.
|
|
|
|
|
|
|
|
|
|
* If `.DELETE_ON_ERROR' appears as a target, Make will delete the target of
|
2007-11-04 21:54:00 +00:00
|
|
|
|
a rule if it has changed when its recipe exits with a nonzero status,
|
|
|
|
|
just as when the recipe gets a signal.
|
1995-03-07 23:44:43 +00:00
|
|
|
|
|
|
|
|
|
* The automatic variable `$+' is new. It lists all the dependencies like
|
|
|
|
|
`$^', but preserves duplicates listed in the makefile. This is useful
|
|
|
|
|
for linking rules, where library files sometimes need to be listed twice
|
|
|
|
|
in the link order.
|
|
|
|
|
|
|
|
|
|
* You can now specify the `.IGNORE' and `.SILENT' special targets with
|
|
|
|
|
dependencies to limit their effects to those files. If a file appears as
|
|
|
|
|
a dependency of `.IGNORE', then errors will be ignored while running the
|
2007-11-04 21:54:00 +00:00
|
|
|
|
recipe to update that file. Likewise if a file appears as a dependency
|
|
|
|
|
of `.SILENT', then the recipe to update that file will not be printed
|
|
|
|
|
before it is run. (This change was made to conform to POSIX.2.)
|
1995-03-07 23:44:43 +00:00
|
|
|
|
|
|
|
|
|
Version 3.71
|
|
|
|
|
|
|
|
|
|
* The automatic variables `$(@D)', `$(%D)', `$(*D)', `$(<D)', `$(?D)', and
|
|
|
|
|
`$(^D)' now omit the trailing slash from the directory name. (This change
|
|
|
|
|
was made to comply with POSIX.2.)
|
|
|
|
|
|
|
|
|
|
* The source distribution now includes the Info files for the Make manual.
|
|
|
|
|
There is no longer a separate distribution containing Info and DVI files.
|
|
|
|
|
|
|
|
|
|
* You can now set the variables `binprefix' and/or `manprefix' in
|
|
|
|
|
Makefile.in (or on the command line when installing) to install GNU make
|
|
|
|
|
under a name other than `make' (i.e., ``make binprefix=g install''
|
|
|
|
|
installs GNU make as `gmake').
|
|
|
|
|
|
|
|
|
|
* The built-in Texinfo rules use the new variables `TEXI2DVI_FLAGS' for
|
|
|
|
|
flags to the `texi2dvi' script, and `MAKEINFO_FLAGS' for flags to the
|
|
|
|
|
Makeinfo program.
|
|
|
|
|
|
|
|
|
|
* The exit status of Make when it runs into errors is now 2 instead of 1.
|
|
|
|
|
The exit status is 1 only when using -q and some target is not up to date.
|
|
|
|
|
(This change was made to comply with POSIX.2.)
|
|
|
|
|
|
|
|
|
|
Version 3.70
|
|
|
|
|
|
|
|
|
|
* It is no longer a fatal error to have a NUL character in a makefile.
|
|
|
|
|
You should never put a NUL in a makefile because it can have strange
|
|
|
|
|
results, but otherwise empty lines full of NULs (such as produced by
|
|
|
|
|
the `xmkmf' program) will always work fine.
|
|
|
|
|
|
|
|
|
|
* The error messages for nonexistent included makefiles now refer to the
|
|
|
|
|
makefile name and line number where the `include' appeared, so Emacs's
|
|
|
|
|
C-x ` command takes you there (in case it's a typo you need to fix).
|
|
|
|
|
|
|
|
|
|
Version 3.69
|
|
|
|
|
|
|
|
|
|
* Implicit rule search for archive member references is now done in the
|
|
|
|
|
opposite order from previous versions: the whole target name `LIB(MEM)'
|
|
|
|
|
first, and just the member name and parentheses `(MEM)' second.
|
|
|
|
|
|
|
|
|
|
* Make now gives an error for an unterminated variable or function reference.
|
|
|
|
|
For example, `$(foo' with no matching `)' or `${bar' with no matching `}'.
|
|
|
|
|
|
|
|
|
|
* The new default variable `MAKE_VERSION' gives the version number of
|
|
|
|
|
Make, and a string describing the remote job support compiled in (if any).
|
|
|
|
|
Thus the value (in this release) is something like `3.69' or `3.69-Customs'.
|
|
|
|
|
|
2007-11-04 21:54:00 +00:00
|
|
|
|
* Commands in an invocation of the `shell' function are no longer run
|
|
|
|
|
with a modified environment like recipes are. As in versions before
|
1995-03-07 23:44:43 +00:00
|
|
|
|
3.68, they now run with the environment that `make' started with. We
|
|
|
|
|
have reversed the change made in version 3.68 because it turned out to
|
|
|
|
|
cause a paradoxical situation in cases like:
|
|
|
|
|
|
|
|
|
|
export variable = $(shell echo value)
|
|
|
|
|
|
2007-11-04 21:54:00 +00:00
|
|
|
|
When Make attempted to put this variable in the environment for a
|
|
|
|
|
recipe, it would try expand the value by running the shell command
|
1995-03-07 23:44:43 +00:00
|
|
|
|
`echo value'. In version 3.68, because it constructed an environment
|
|
|
|
|
for that shell command in the same way, Make would begin to go into an
|
|
|
|
|
infinite loop and then get a fatal error when it detected the loop.
|
|
|
|
|
|
2007-11-04 21:54:00 +00:00
|
|
|
|
* The recipe given for `.DEFAULT' is now used for phony targets with no
|
|
|
|
|
recipe.
|
1995-03-07 23:44:43 +00:00
|
|
|
|
|
|
|
|
|
Version 3.68
|
|
|
|
|
|
|
|
|
|
* You can list several archive member names inside parenthesis:
|
|
|
|
|
`lib(mem1 mem2 mem3)' is equivalent to `lib(mem1) lib(mem2) lib(mem3)'.
|
|
|
|
|
|
|
|
|
|
* You can use wildcards inside archive member references. For example,
|
|
|
|
|
`lib(*.o)' expands to all existing members of `lib' whose names end in
|
|
|
|
|
`.o' (e.g. `lib(a.o) lib(b.o)'); `*.a(*.o)' expands to all such members
|
|
|
|
|
of all existing files whose names end in `.a' (e.g. `foo.a(a.o)
|
|
|
|
|
foo.a(b.o) bar.a(c.o) bar.a(d.o)'.
|
|
|
|
|
|
|
|
|
|
* A suffix rule `.X.a' now produces two pattern rules:
|
|
|
|
|
(%.o): %.X # Previous versions produced only this.
|
|
|
|
|
%.a: %.X # Now produces this as well, just like other suffixes.
|
|
|
|
|
|
|
|
|
|
* The new flag `--warn-undefined-variables' says to issue a warning message
|
|
|
|
|
whenever Make expands a reference to an undefined variable.
|
|
|
|
|
|
|
|
|
|
* The new `-include' directive is just like `include' except that there is
|
|
|
|
|
no error (not even a warning) for a nonexistent makefile.
|
|
|
|
|
|
|
|
|
|
* Commands in an invocation of the `shell' function are now run with a
|
2007-11-04 21:54:00 +00:00
|
|
|
|
modified environment like recipes are, so you can use `export' et al
|
|
|
|
|
to set up variables for them. They used to run with the environment
|
1995-03-07 23:44:43 +00:00
|
|
|
|
that `make' started with.
|
|
|
|
|
|
|
|
|
|
Version 3.66
|
|
|
|
|
|
|
|
|
|
* `make --version' (or `make -v') now exits immediately after printing
|
|
|
|
|
the version number.
|
|
|
|
|
|
|
|
|
|
Version 3.65
|
|
|
|
|
|
|
|
|
|
* Make now supports long-named members in `ar' archive files.
|
|
|
|
|
|
|
|
|
|
Version 3.64
|
|
|
|
|
|
|
|
|
|
* Make now supports the `+=' syntax for a variable definition which appends
|
|
|
|
|
to the variable's previous value. See the section `Appending More Text
|
|
|
|
|
to Variables' in the manual for full details.
|
|
|
|
|
|
|
|
|
|
* The new option `--no-print-directory' inhibits the `-w' or
|
|
|
|
|
`--print-directory' feature. Make turns on `--print-directory'
|
|
|
|
|
automatically if you use `-C' or `--directory', and in sub-makes; some
|
|
|
|
|
users have found this behavior undesirable.
|
|
|
|
|
|
|
|
|
|
* The built-in implicit rules now support the alternative extension
|
|
|
|
|
`.txinfo' for Texinfo files, just like `.texinfo' and `.texi'.
|
|
|
|
|
|
|
|
|
|
Version 3.63
|
|
|
|
|
|
|
|
|
|
* Make now uses a standard GNU `configure' script. See the new file
|
|
|
|
|
INSTALL for the new (and much simpler) installation procedure.
|
|
|
|
|
|
|
|
|
|
* There is now a shell script to build Make the first time, if you have no
|
|
|
|
|
other `make' program. `build.sh' is created by `configure'; see README.
|
|
|
|
|
|
|
|
|
|
* GNU Make now completely conforms to the POSIX.2 specification for `make'.
|
|
|
|
|
|
|
|
|
|
* Elements of the `$^' and `$?' automatic variables that are archive
|
|
|
|
|
member references now list only the member name, as in Unix and POSIX.2.
|
|
|
|
|
|
|
|
|
|
* You should no longer ever need to specify the `-w' switch, which prints
|
|
|
|
|
the current directory before and after Make runs. The `-C' switch to
|
|
|
|
|
change directory, and recursive use of Make, now set `-w' automatically.
|
|
|
|
|
|
|
|
|
|
* Multiple double-colon rules for the same target will no longer have their
|
2007-11-04 21:54:00 +00:00
|
|
|
|
recipes run simultaneously under -j, as this could result in the two
|
|
|
|
|
recipes trying to change the file at the same time and interfering with
|
1995-03-07 23:44:43 +00:00
|
|
|
|
one another.
|
|
|
|
|
|
|
|
|
|
* The `SHELL' variable is now never taken from the environment.
|
|
|
|
|
Each makefile that wants a shell other than the default (/bin/sh) must
|
|
|
|
|
set SHELL itself. SHELL is always exported to child processes.
|
|
|
|
|
This change was made for compatibility with POSIX.2.
|
|
|
|
|
|
|
|
|
|
* Make now accepts long options. There is now an informative usage message
|
|
|
|
|
that tells you what all the options are and what they do. Try `make --help'.
|
|
|
|
|
|
|
|
|
|
* There are two new directives: `export' and `unexport'. All variables are
|
2007-11-04 21:54:00 +00:00
|
|
|
|
no longer automatically put into the environments of the recipe lines that
|
1995-03-07 23:44:43 +00:00
|
|
|
|
Make runs. Instead, only variables specified on the command line or in
|
|
|
|
|
the environment are exported by default. To export others, use:
|
|
|
|
|
export VARIABLE
|
|
|
|
|
or you can define variables with:
|
|
|
|
|
export VARIABLE = VALUE
|
|
|
|
|
or:
|
|
|
|
|
export VARIABLE := VALUE
|
|
|
|
|
You can use just:
|
|
|
|
|
export
|
|
|
|
|
or:
|
|
|
|
|
.EXPORT_ALL_VARIABLES:
|
|
|
|
|
to get the old behavior. See the node `Variables/Recursion' in the manual
|
|
|
|
|
for a full description.
|
|
|
|
|
|
2007-11-04 21:54:00 +00:00
|
|
|
|
* The recipe from the `.DEFAULT' special target is only applied to
|
|
|
|
|
targets which have no rules at all, not all targets with no recipe.
|
1995-03-07 23:44:43 +00:00
|
|
|
|
This change was made for compatibility with Unix make.
|
|
|
|
|
|
|
|
|
|
* All fatal error messages now contain `***', so they are easy to find in
|
|
|
|
|
compilation logs.
|
|
|
|
|
|
|
|
|
|
* Dependency file names like `-lNAME' are now replaced with the actual file
|
|
|
|
|
name found, as with files found by normal directory search (VPATH).
|
|
|
|
|
The library file `libNAME.a' may now be found in the current directory,
|
|
|
|
|
which is checked before VPATH; the standard set of directories (/lib,
|
|
|
|
|
/usr/lib, /usr/local/lib) is now checked last.
|
|
|
|
|
See the node `Libraries/Search' in the manual for full details.
|
|
|
|
|
|
|
|
|
|
* A single `include' directive can now specify more than one makefile to
|
|
|
|
|
include, like this:
|
|
|
|
|
include file1 file2
|
|
|
|
|
You can also use shell file name patterns in an `include' directive:
|
1995-12-12 04:54:41 +00:00
|
|
|
|
include *.mk
|
1995-03-07 23:44:43 +00:00
|
|
|
|
|
|
|
|
|
* The default directories to search for included makefiles, and for
|
|
|
|
|
libraries specified with `-lNAME', are now set by configuration.
|
|
|
|
|
|
|
|
|
|
* You can now use blanks as well as colons to separate the directories in a
|
|
|
|
|
search path for the `vpath' directive or the `VPATH' variable.
|
|
|
|
|
|
|
|
|
|
* You can now use variables and functions in the left hand side of a
|
|
|
|
|
variable assignment, as in "$(foo)bar = value".
|
|
|
|
|
|
|
|
|
|
* The `MAKE' variable is always defined as `$(MAKE_COMMAND) $(MAKEOVERRIDES)'.
|
|
|
|
|
The `MAKE_COMMAND' variable is now defined to the name with which make
|
|
|
|
|
was invoked.
|
|
|
|
|
|
|
|
|
|
* The built-in rules for C++ compilation now use the variables `$(CXX)' and
|
|
|
|
|
`$(CXXFLAGS)' instead of `$(C++)' and `$(C++FLAGS)'. The old names had
|
|
|
|
|
problems with shells that cannot have `+' in environment variable names.
|
|
|
|
|
|
|
|
|
|
* The value of a recursively expanded variable is now expanded when putting
|
|
|
|
|
it into the environment for child processes. This change was made for
|
|
|
|
|
compatibility with Unix make.
|
|
|
|
|
|
|
|
|
|
* A rule with no targets before the `:' is now accepted and ignored.
|
|
|
|
|
This change was made for compatibility with SunOS 4 make.
|
|
|
|
|
We do not recommend that you write your makefiles to take advantage of this.
|
|
|
|
|
|
|
|
|
|
* The `-I' switch can now be used in MAKEFLAGS, and are put there
|
|
|
|
|
automatically just like other switches.
|
|
|
|
|
|
|
|
|
|
Version 3.61
|
|
|
|
|
|
|
|
|
|
* Built-in rules for C++ source files with the `.C' suffix.
|
|
|
|
|
We still recommend that you use `.cc' instead.
|
|
|
|
|
|
2007-11-04 21:54:00 +00:00
|
|
|
|
* If a recipe is given too many times for a single target, the last one
|
|
|
|
|
given is used, and a warning message is printed.
|
1995-03-07 23:44:43 +00:00
|
|
|
|
|
|
|
|
|
* Error messages about makefiles are in standard GNU error format,
|
|
|
|
|
so C-x ` in Emacs works on them.
|
|
|
|
|
|
|
|
|
|
* Dependencies of pattern rules which contain no % need not actually exist
|
|
|
|
|
if they can be created (just like dependencies which do have a %).
|
|
|
|
|
|
|
|
|
|
Version 3.60
|
|
|
|
|
|
|
|
|
|
* A message is always printed when Make decides there is nothing to be done.
|
|
|
|
|
It used to be that no message was printed for top-level phony targets
|
|
|
|
|
(because "`phony' is up to date" isn't quite right). Now a different
|
|
|
|
|
message "Nothing to be done for `phony'" is printed in that case.
|
|
|
|
|
|
|
|
|
|
* Archives on AIX now supposedly work.
|
|
|
|
|
|
2007-11-04 21:54:00 +00:00
|
|
|
|
* When the recipes specified for .DEFAULT are used to update a target,
|
1995-03-07 23:44:43 +00:00
|
|
|
|
the $< automatic variable is given the same value as $@ for that target.
|
|
|
|
|
This is how Unix make behaves, and this behavior is mandated by POSIX.2.
|
|
|
|
|
|
|
|
|
|
Version 3.59
|
|
|
|
|
|
|
|
|
|
* The -n, -q, and -t options are not put in the `MAKEFLAGS' and `MFLAG'
|
|
|
|
|
variables while remaking makefiles, so recursive makes done while remaking
|
|
|
|
|
makefiles will behave properly.
|
|
|
|
|
|
|
|
|
|
* If the special target `.NOEXPORT' is specified in a makefile,
|
|
|
|
|
only variables that came from the environment and variables
|
|
|
|
|
defined on the command line are exported.
|
|
|
|
|
|
|
|
|
|
Version 3.58
|
|
|
|
|
|
|
|
|
|
* Suffix rules may have dependencies (which are ignored).
|
|
|
|
|
|
|
|
|
|
Version 3.57
|
|
|
|
|
|
|
|
|
|
* Dependencies of the form `-lLIB' are searched for as /usr/local/lib/libLIB.a
|
|
|
|
|
as well as libLIB.a in /usr/lib, /lib, the current directory, and VPATH.
|
|
|
|
|
|
|
|
|
|
Version 3.55
|
|
|
|
|
|
2007-11-04 21:54:00 +00:00
|
|
|
|
* There is now a Unix man page for GNU Make. It is certainly not a
|
|
|
|
|
replacement for the Texinfo manual, but it documents the basic
|
|
|
|
|
functionality and the switches. For full documentation, you should
|
|
|
|
|
still read the Texinfo manual. Thanks to Dennis Morse of Stanford
|
|
|
|
|
University for contributing the initial version of this.
|
1995-03-07 23:44:43 +00:00
|
|
|
|
|
2007-11-04 21:54:00 +00:00
|
|
|
|
* Variables which are defined by default (e.g., `CC') will no longer be
|
|
|
|
|
put into the environment for child processes. (If these variables are
|
|
|
|
|
reset by the environment, makefiles, or the command line, they will
|
|
|
|
|
still go into the environment.)
|
1995-03-07 23:44:43 +00:00
|
|
|
|
|
2007-11-04 21:54:00 +00:00
|
|
|
|
* Makefiles which have recipes but no dependencies (and thus are always
|
1995-03-07 23:44:43 +00:00
|
|
|
|
considered out of date and in need of remaking), will not be remade (if they
|
|
|
|
|
were being remade only because they were makefiles). This means that GNU
|
|
|
|
|
Make will no longer go into an infinite loop when fed the makefiles that
|
|
|
|
|
`imake' (necessary to build X Windows) produces.
|
|
|
|
|
|
|
|
|
|
* There is no longer a warning for using the `vpath' directive with an explicit
|
|
|
|
|
pathname (instead of a `%' pattern).
|
|
|
|
|
|
|
|
|
|
Version 3.51
|
|
|
|
|
|
|
|
|
|
* When removing intermediate files, only one `rm' command line is printed,
|
2007-11-04 21:54:00 +00:00
|
|
|
|
listing all file names.
|
1995-03-07 23:44:43 +00:00
|
|
|
|
|
|
|
|
|
* There are now automatic variables `$(^D)', `$(^F)', `$(?D)', and `$(?F)'.
|
2007-11-04 21:54:00 +00:00
|
|
|
|
These are the directory-only and file-only versions of `$^' and `$?'.
|
1995-03-07 23:44:43 +00:00
|
|
|
|
|
|
|
|
|
* Library dependencies given as `-lNAME' will use "libNAME.a" in the current
|
2007-11-04 21:54:00 +00:00
|
|
|
|
directory if it exists.
|
1995-03-07 23:44:43 +00:00
|
|
|
|
|
|
|
|
|
* The automatic variable `$($/)' is no longer defined.
|
|
|
|
|
|
2007-11-04 21:54:00 +00:00
|
|
|
|
* Leading `+' characters on a recipe line make that line be executed even
|
|
|
|
|
under -n, -t, or -q (as if the line contained `$(MAKE)').
|
1995-03-07 23:44:43 +00:00
|
|
|
|
|
2007-11-04 21:54:00 +00:00
|
|
|
|
* For recipe lines containing `$(MAKE)', `${MAKE}', or leading `+' characters,
|
|
|
|
|
only those lines are executed, not the entire recipe.
|
|
|
|
|
(This is how Unix make behaves for lines containing `$(MAKE)' or `${MAKE}'.)
|
1995-03-07 23:44:43 +00:00
|
|
|
|
|
|
|
|
|
Version 3.50
|
|
|
|
|
|
|
|
|
|
* Filenames in rules will now have ~ and ~USER expanded.
|
|
|
|
|
|
|
|
|
|
* The `-p' output has been changed so it can be used as a makefile.
|
2007-11-04 21:54:00 +00:00
|
|
|
|
(All information that isn't specified by makefiles is prefaced with comment
|
|
|
|
|
characters.)
|
1995-03-07 23:44:43 +00:00
|
|
|
|
|
|
|
|
|
Version 3.49
|
|
|
|
|
|
|
|
|
|
* The % character can be quoted with backslash in implicit pattern rules,
|
2007-11-04 21:54:00 +00:00
|
|
|
|
static pattern rules, `vpath' directives, and `patsubst', `filter', and
|
|
|
|
|
`filter-out' functions. A warning is issued if a `vpath' directive's
|
|
|
|
|
pattern contains no %.
|
1995-03-07 23:44:43 +00:00
|
|
|
|
|
|
|
|
|
* The `wildcard' variable expansion function now expands ~ and ~USER.
|
|
|
|
|
|
2007-11-04 21:54:00 +00:00
|
|
|
|
* Messages indicating failed recipe lines now contain the target name:
|
1995-03-07 23:44:43 +00:00
|
|
|
|
make: *** [target] Error 1
|
|
|
|
|
|
|
|
|
|
* The `-p' output format has been changed somewhat to look more like
|
2007-11-04 21:54:00 +00:00
|
|
|
|
makefile rules and to give all information that Make has about files.
|
1995-03-07 23:44:43 +00:00
|
|
|
|
|
|
|
|
|
Version 3.48
|
|
|
|
|
|
|
|
|
|
Version 3.47
|
|
|
|
|
|
|
|
|
|
* The `-l' switch with no argument removes any previous load-average limit.
|
|
|
|
|
|
|
|
|
|
* When the `-w' switch is in effect, and Make has updated makefiles,
|
2007-11-04 21:54:00 +00:00
|
|
|
|
it will write a `Leaving directory' message before re-executing itself.
|
|
|
|
|
This makes the `directory change tracking' changes to Emacs's compilation
|
|
|
|
|
commands work properly.
|
1995-03-07 23:44:43 +00:00
|
|
|
|
|
|
|
|
|
Version 3.46
|
|
|
|
|
|
|
|
|
|
* The automatic variable `$*' is now defined for explicit rules,
|
2007-11-04 21:54:00 +00:00
|
|
|
|
as it is in Unix make.
|
1995-03-07 23:44:43 +00:00
|
|
|
|
|
|
|
|
|
Version 3.45
|
|
|
|
|
|
|
|
|
|
* The `-j' switch is now put in the MAKEFLAGS and MFLAGS variables when
|
2007-11-04 21:54:00 +00:00
|
|
|
|
specified without an argument (indicating infinite jobs).
|
|
|
|
|
The `-l' switch is not always put in the MAKEFLAGS and MFLAGS variables.
|
1995-03-07 23:44:43 +00:00
|
|
|
|
|
2007-11-04 21:54:00 +00:00
|
|
|
|
* Make no longer checks hashed directories after running recipes.
|
|
|
|
|
The behavior implemented in 3.41 caused too much slowdown.
|
1995-03-07 23:44:43 +00:00
|
|
|
|
|
|
|
|
|
Version 3.44
|
|
|
|
|
|
|
|
|
|
* A dependency is NOT considered newer than its dependent if
|
2007-11-04 21:54:00 +00:00
|
|
|
|
they have the same modification time. The behavior implemented
|
|
|
|
|
in 3.43 conflicts with RCS.
|
1995-03-07 23:44:43 +00:00
|
|
|
|
|
|
|
|
|
Version 3.43
|
|
|
|
|
|
|
|
|
|
* Dependency loops are no longer fatal errors.
|
|
|
|
|
|
|
|
|
|
* A dependency is considered newer than its dependent if
|
2007-11-04 21:54:00 +00:00
|
|
|
|
they have the same modification time.
|
1995-03-07 23:44:43 +00:00
|
|
|
|
|
|
|
|
|
Version 3.42
|
|
|
|
|
|
|
|
|
|
* The variables F77 and F77FLAGS are now set by default to $(FC) and
|
2007-11-04 21:54:00 +00:00
|
|
|
|
$(FFLAGS). Makefiles designed for System V make may use these variables in
|
|
|
|
|
explicit rules and expect them to be set. Unfortunately, there is no way to
|
|
|
|
|
make setting these affect the Fortran implicit rules unless FC and FFLAGS
|
|
|
|
|
are not used (and these are used by BSD make).
|
1995-03-07 23:44:43 +00:00
|
|
|
|
|
|
|
|
|
Version 3.41
|
|
|
|
|
|
2007-11-04 21:54:00 +00:00
|
|
|
|
* Make now checks to see if its hashed directories are changed by recipes.
|
|
|
|
|
Other makes that hash directories (Sun, 4.3 BSD) don't do this.
|
1995-03-07 23:44:43 +00:00
|
|
|
|
|
|
|
|
|
Version 3.39
|
|
|
|
|
|
|
|
|
|
* The `shell' function no longer captures standard error output.
|
|
|
|
|
|
|
|
|
|
Version 3.32
|
|
|
|
|
|
|
|
|
|
* A file beginning with a dot can be the default target if it also contains
|
2007-11-04 21:54:00 +00:00
|
|
|
|
a slash (e.g., `../bin/foo'). (Unix make allows this as well.)
|
1995-03-07 23:44:43 +00:00
|
|
|
|
|
|
|
|
|
Version 3.31
|
|
|
|
|
|
|
|
|
|
* Archive member names are truncated to 15 characters.
|
|
|
|
|
|
|
|
|
|
* Yet more USG stuff.
|
|
|
|
|
|
|
|
|
|
* Minimal support for Microport System V (a 16-bit machine and a
|
2007-11-04 21:54:00 +00:00
|
|
|
|
brain-damaged compiler). This has even lower priority than other USG
|
|
|
|
|
support, so if it gets beyond trivial, I will take it out completely.
|
1995-03-07 23:44:43 +00:00
|
|
|
|
|
|
|
|
|
* Revamped default implicit rules (not much visible change).
|
|
|
|
|
|
|
|
|
|
* The -d and -p options can come from the environment.
|
|
|
|
|
|
|
|
|
|
Version 3.30
|
|
|
|
|
|
|
|
|
|
* Improved support for USG and HPUX (hopefully).
|
|
|
|
|
|
|
|
|
|
* A variable reference like `$(foo:a=b)', if `a' contains a `%', is
|
2007-11-04 21:54:00 +00:00
|
|
|
|
equivalent to `$(patsubst a,b,$(foo))'.
|
1995-03-07 23:44:43 +00:00
|
|
|
|
|
2007-11-04 21:54:00 +00:00
|
|
|
|
* Defining .DEFAULT with no deps or recipe clears its recipe.
|
1995-03-07 23:44:43 +00:00
|
|
|
|
|
2007-11-04 21:54:00 +00:00
|
|
|
|
* New default implicit rules for .S (cpp, then as), and .sh (copy and
|
|
|
|
|
make executable). All default implicit rules that use cpp (even
|
|
|
|
|
indirectly), use $(CPPFLAGS).
|
1995-03-07 23:44:43 +00:00
|
|
|
|
|
|
|
|
|
Version 3.29
|
|
|
|
|
|
|
|
|
|
* Giving the -j option with no arguments gives you infinite jobs.
|
|
|
|
|
|
|
|
|
|
Version 3.28
|
|
|
|
|
|
|
|
|
|
* New option: "-l LOAD" says not to start any new jobs while others are
|
2007-11-04 21:54:00 +00:00
|
|
|
|
running if the load average is not below LOAD (a floating-point number).
|
1995-03-07 23:44:43 +00:00
|
|
|
|
|
|
|
|
|
* There is support in place for implementations of remote command execution
|
2007-11-04 21:54:00 +00:00
|
|
|
|
in Make. See the file remote.c.
|
1995-03-07 23:44:43 +00:00
|
|
|
|
|
|
|
|
|
Version 3.26
|
|
|
|
|
|
|
|
|
|
* No more than 10 directories will be kept open at once.
|
2007-11-04 21:54:00 +00:00
|
|
|
|
(This number can be changed by redefining MAX_OPEN_DIRECTORIES in dir.c.)
|
1995-03-07 23:44:43 +00:00
|
|
|
|
|
|
|
|
|
Version 3.25
|
|
|
|
|
|
|
|
|
|
* Archive files will have their modification times recorded before doing
|
2007-11-04 21:54:00 +00:00
|
|
|
|
anything that might change their modification times by updating an archive
|
|
|
|
|
member.
|
1995-03-07 23:44:43 +00:00
|
|
|
|
|
|
|
|
|
Version 3.20
|
|
|
|
|
|
|
|
|
|
* The `MAKELEVEL' variable is defined for use by makefiles.
|
|
|
|
|
|
|
|
|
|
Version 3.19
|
|
|
|
|
|
|
|
|
|
* The recursion level indications in error messages are much shorter than
|
2007-11-04 21:54:00 +00:00
|
|
|
|
they were in version 3.14.
|
1995-03-07 23:44:43 +00:00
|
|
|
|
|
|
|
|
|
Version 3.18
|
|
|
|
|
|
|
|
|
|
* Leading spaces before directives are ignored (as documented).
|
|
|
|
|
|
|
|
|
|
* Included makefiles can determine the default goal target.
|
2007-11-04 21:54:00 +00:00
|
|
|
|
(System V Make does it this way, so we are being compatible).
|
1995-03-07 23:44:43 +00:00
|
|
|
|
|
|
|
|
|
Version 3.14.
|
|
|
|
|
|
|
|
|
|
* Variables that are defaults built into Make will not be put in the
|
2007-11-04 21:54:00 +00:00
|
|
|
|
environment for children. This just saves some environment space and,
|
|
|
|
|
except under -e, will be transparent to sub-makes.
|
1995-03-07 23:44:43 +00:00
|
|
|
|
|
|
|
|
|
* Error messages from sub-makes will indicate the level of recursion.
|
|
|
|
|
|
|
|
|
|
* Hopefully some speed-up for large directories due to a change in the
|
2007-11-04 21:54:00 +00:00
|
|
|
|
directory hashing scheme.
|
1995-03-07 23:44:43 +00:00
|
|
|
|
|
|
|
|
|
* One child will always get a standard input that is usable.
|
|
|
|
|
|
|
|
|
|
* Default makefiles that don't exist will be remade and read in.
|
|
|
|
|
|
|
|
|
|
Version 3.13.
|
|
|
|
|
|
|
|
|
|
* Count parentheses inside expansion function calls so you can
|
2007-11-04 21:54:00 +00:00
|
|
|
|
have nested calls: `$(sort $(foreach x,a b,$(x)))'.
|
1995-03-07 23:44:43 +00:00
|
|
|
|
|
|
|
|
|
Version 3.12.
|
|
|
|
|
|
|
|
|
|
* Several bug fixes, including USG and Sun386i support.
|
|
|
|
|
|
|
|
|
|
* `shell' function to expand shell commands a la `
|
|
|
|
|
|
|
|
|
|
* If the `-d' flag is given, version information will be printed.
|
|
|
|
|
|
|
|
|
|
* The `-c' option has been renamed to `-C' for compatibility with tar.
|
|
|
|
|
|
|
|
|
|
* The `-p' option no longer inhibits other normal operation.
|
|
|
|
|
|
|
|
|
|
* Makefiles will be updated and re-read if necessary.
|
|
|
|
|
|
2007-11-04 21:54:00 +00:00
|
|
|
|
* Can now run several recipes at once (parallelism), -j option.
|
1995-03-07 23:44:43 +00:00
|
|
|
|
|
|
|
|
|
* Error messages will contain the level of Make recursion, if any.
|
|
|
|
|
|
|
|
|
|
* The `MAKEFLAGS' and `MFLAGS' variables will be scanned for options after
|
2007-11-04 21:54:00 +00:00
|
|
|
|
makefiles are read.
|
1995-03-07 23:44:43 +00:00
|
|
|
|
|
2007-11-04 21:54:00 +00:00
|
|
|
|
* A double-colon rule with no dependencies will always have its recipe run.
|
|
|
|
|
(This is how both the BSD and System V versions of Make do it.)
|
1995-03-07 23:44:43 +00:00
|
|
|
|
|
|
|
|
|
Version 3.05
|
|
|
|
|
|
|
|
|
|
(Changes from versions 1 through 3.05 were never recorded. Sorry.)
|
|
|
|
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2006-02-11 19:02:21 +00:00
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-------------------------------------------------------------------------------
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2006-02-20 03:34:02 +00:00
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Copyright (C) 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997,
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2009-10-12 22:24:54 +00:00
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1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 Free
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Software Foundation, Inc. This file is part of GNU Make.
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2006-02-20 03:34:02 +00:00
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2006-02-11 19:02:21 +00:00
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GNU Make is free software; you can redistribute it and/or modify it under the
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terms of the GNU General Public License as published by the Free Software
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2007-07-04 19:35:15 +00:00
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Foundation; either version 3 of the License, or (at your option) any later
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version.
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1995-03-07 23:44:43 +00:00
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2006-02-11 19:02:21 +00:00
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GNU Make is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
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A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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1995-03-07 23:44:43 +00:00
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2006-02-11 19:02:21 +00:00
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You should have received a copy of the GNU General Public License along with
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2007-07-04 19:35:15 +00:00
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this program. If not, see <http://www.gnu.org/licenses/>.
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