3 * Makefile.in bloat reduction:
5 - Inference rules are used to compile sources in subdirectories when
6 the `subdir-objects' option is used and no per-target flags are
7 used. This should reduce the size of some projects a lot, because
8 Automake used to output an explicit rule for each such object in
11 - Automake no longer outputs three rules (.o, .obj, .lo) for each
12 object that must be built with explicit rules. It just outputs
13 the rules required to build the kind of object considered: either
14 the two .o and .obj rules for usual objects, or the .lo rule for
17 * Change to Libtool support:
19 - Libtool tags are used with libtool versions that support them.
20 (I.e., with Libtool 1.5 or greater.)
22 - Automake is now able to handle setups where a libtool library is
23 conditionally installed in different directories, as in
26 lib_LTLIBRARIES = liba.la
28 pkglib_LTLIBRARIES = liba.la
34 - aclocal now ensures that AC_DEFUNs and AU_DEFUNs it discovers are
35 really evaluated, before it decides to include them in aclocal.m4.
36 This solves nasty problems with conditional redefinitions of
37 Autoconf macros in /usr/share/aclocal/*.m4 files causing extraneous
38 *.m4 files to be included in any project using these macros.
39 (Calls to AC_PROG_EGREP causing libtool.m4 to be included is the
40 most famous instance of this bug.)
42 - Do not complain about missing conditionally AC_REQUIREd macros
43 that are not actually used. In 1.8.x aclocal would correctly
44 determine which of these macros were really needed (and include
45 only these in the package); unfortunately it would also require
46 all of them to be present in order to run. This created
47 situations were aclocal would not work on a tarball distributing
48 all the macros it uses. For instance running aclocal on a project
49 containing only the subset of the Gettext macros in use by the
50 project did not work, because gettext conditionally requires other
53 * Portability improvements:
55 - Tar format can be chosen with the new options tar-v7, tar-ustar, and
56 tar-pax. The new option filename-length-max=99 helps diagnosing
57 filenames that are too long for tar-v7. (PR/414)
59 - Variables aumented with `+=' are now automatically flattened (i.e.,
60 trailing backslashes removed) and then wrapped around 80 colummns
61 (adding trailing backslashes). In previous versions, a long series
67 would result in a single-line definition of VAR that could possibly
68 exceed the maximum line length of some make implementations.
70 Non-augmented variables are still output as they are defined in
75 - Support Fortran 90/95 with the new "fc" and "ppfc" languages.
76 Works the same as the old Fortran 77 implementation; just replace
77 F77 with FC everywhere (exception: FFLAGS becomes FCFLAGS).
78 Requires a version of autoconf which provides AC_PROG_FC (>=2.59).
80 - Support for conditional _LISP.
82 - Support for conditional -hook and -local rules (PR/428).
84 - Diagnose AC_CONFIG_AUX_DIR calls following AM_INIT_AUTOMAKE. (PR/49)
86 - Automake will not write any Makefile.ins after the first error it
87 encounters. The previous Makefile.ins (if any) will be left in
88 place. (Warnings will not prevent output, but remember they can
89 be turned into errors with -Werror.)
91 - The restriction that SUBDIRS must contain direct children is gone.
94 - The manual tells more about SUBDIRS vs. DIST_SUBDIRS.
95 It also gives an example of nested packages using AC_CONFIG_SUBDIRS.
101 - Define DIST_SUBDIRS even when the `no-dist' or `cygnus' options are used
102 so that `make distclean' and `make maintainer-clean' can work.
104 - Define AR and ARFLAGS even when only EXTRA_LIBRARIES are defined.
106 - Fix many rules to please FreeBSD make, which runs commands with `sh -e'.
108 - Polish diagnostic when no input file is found.
112 * Long standing bugs:
114 - Fix AM_PATH_PYTHON to correctly display $PYTHON when it has been
115 overridden by the user.
117 - Honor PATH_SEPARATOR in various places of the Automake package, for
120 - Adjust dependency tracking mode detection to ICC 8.0's new output.
123 - Fix install-sh so it can install the `mv' binary... using `mv'.
125 - Fix tru64 dependency tracking for libtool objects.
127 - Work around Exuberant Ctags when creating a TAGS files in a directory
128 without files to scan but with subdirectories to include.
130 * Bugs introduced by 1.8:
132 - Fix an "internal error" when @LIBOBJS@ is used in a variable that is
133 not defined in the same conditions as the _LDADD that uses it.
135 - Do not warn when JAVAROOT is overridden, this is legitimate.
139 * Long standing bugs:
141 - Quote filenames in installation rules, in case $DESTDIR, $prefix,
142 or any of the other *dir variables contain a space.
144 Please note that Automake does not and cannot support spaces in
145 filenames that are involved during the build. This change affects
146 only installation paths, so that `make install' does not bomb out
147 in packages configured with
148 ./configure --prefix '/c/Program Files'
150 - Fix the depfiles output so it works with GNU sed (<4.1) even when
151 POSIXLY_CORRECT is set.
153 - Do not AC_SUBST(LIBOBJS) in AM_WITH_REGEX. This macro was unusable
154 since Autoconf 2.54, which defines LIBOBJS itself.
156 - Fix a potential (but unlikely) race condition in parallel elisp
157 builds. (Introduced in 1.7.3.)
159 - Do not assume that users override _DEPENDENCIES in all conditions
160 where Automake will try to define them.
162 - Do not use `mkdir -p' in mkinstalldirs, unless this is GNU mkdir.
163 Solaris 8's `mkdir -p' is not thread-safe and can break parallel
166 This fix also affects the $(mkdir_p) variable defined since
167 Automake 1.8. It will be set to `mkdir -p' only if mkdir is GNU
168 mkdir, and to `mkinstalldirs' or `install-sh -d' otherwise.
170 - Secure temporary directory creation in `make distcheck'. (PR/413)
172 - Do not generate two build rules for `parser.h' when the
173 parser appears in two different conditionals.
175 - Work around a Solaris 8 /bin/sh bug in the test for dependency
176 checking. Usually ./configure will not pick this shell; so this
177 fix only helps cases where the shell is forced to /bin/sh.
179 * Bugs introduced by 1.8:
181 - In some situations (hand-written `m4_include's), aclocal would
182 call the `File::Spec->rel2abs' method, which was only introduced
183 in Perl 5.6. This new version reestablish support Perl 5.005.
185 It is likely that the next major Automake releases will require at
186 least Perl 5.6. Consider upgrading your development environment
187 if you are still using the five-year-old Perl 5.005.
189 - Automake would sometimes fail to define rules for targets listed
190 in variables defined in multiple conditions. For instance on
196 it would define only the `a.$(OBJEXT): a.c' rule and omit the
197 `b.$(OBJEXT): b.c' rule.
199 * New sections in manual:
201 - Third-Party Makefiles: how to interface third party Makefiles.
202 - Upgrading: upgrading packages to newer Automake versions.
203 - Multiple Outputs: handling tools that produce many outputs.
207 * A (well known) portability bug slipped in the changes made to
208 install-sh in Automake 1.8.1. The broken install-sh would refuse to
209 install anything on Tru64.
211 * Fix install rules for conditionally built python files. (This never
216 * Bugs introduced by 1.8:
218 - Fix Config.pm import error with old Perl versions (at least
219 5.005_03). One symptom is that aclocal could not find its macro
222 - Automake 1.8 used `mkdir -m 0755 -p --' to ensure that directories
223 created by `make install' are always world readable, even if the
224 installer happens to have an overly restrictive umask (e.g. 077).
225 This was a mistake and has been reverted. There are at least two
226 reasons why we must not use `-m 0755':
227 - it causes special bits like SGID to be ignored,
228 - it may be too restrictive (some setups expect 775 directories).
230 - Fix aclocal to honor definitions located in files which have been
231 m4_included manually. aclocal 1.8 had been updated to check
232 m4_included files for new requirements, but forgot that these
233 m4_included files can also provide new definitions.
235 Note that if you have such a setup, we recommend you get rid of
236 it. In the past, there was a reason to m4_include files manually:
237 aclocal used to duplicate entire M4 files into aclocal.m4, even
238 files that were distributed. Some packages were therefore
239 m4_including the distributed file directly, and playing some
240 tricks to ensure aclocal would not copy that file to aclocal.m4,
241 in order to limit the amount of duplication. Since aclocal 1.8.x
242 will precisely output m4_includes for local M4 files, we recommend
243 that you clean up your setup, removing all manual m4_includes and
244 letting aclocal output them.
246 - Output detailed menus in the Info version if the Automake manual,
247 so that Emacs can locate the indexes.
249 - configure.ac and configure were listed twice in DIST_COMMON (an
250 internal variable where Automake lists configury files to
251 distribute). This was harmless, but unaesthetic.
253 - Use `chmod a-w' instead of `chmod -w' as the latter honors umask.
254 This was an issue only in the Automake package itself, not in
257 - Automake assumed that all AC_CONFIG_LINKS arguments had the form
258 DEST:SRC. This was wrong, as some packages do
259 AC_CONFIG_LINKS($computedlinks). This version no longer abort in
262 - Contrary to mkinstalldirs, $(mkdir_p) was expecting exactly one
263 argument. This caused two kinds of failures:
264 - Rules installing data in a conditionally defined directory
265 failed when that directory was undefined. In this case no
266 argument was supplied.
267 - `make installdirs' failed, because several directories were
268 passed to $(mkdir_p). This was an issue only on platform
269 were $(mkdir_p) is implemented with `install-sh -d'.
270 $(mkdir_p) as been changed to accept 0 or more arguments, as
273 * Long-standing bugs:
275 - Fix an unexpected diagnostic occurring when users attempt
276 to override some internal variables that Automake appends to.
278 - aclocal now scans configure.ac for macro definitions (PR/319).
280 - Fix a portability issue with OSF1/Tru64 Make. If a directory
281 distributes files which are outside itself (this usually occurs
282 when using AC_CONFIG_AUX_DIR([../dir]) to use auxiliary files
283 from a parent package), then `make distcheck' fails due to an
284 optimization performed by OSF1/Tru64 Make in its VPATH handling.
285 (tests/subpkg2.test failure)
287 - Fix another portability issue with Sun and OSF1/Tru64 Make.
288 In a VPATH-build configuration, `make install' would install
289 nobase_ files to wrong locations.
291 - Fix a Perl `uninitialized value' diagnostic occurring when
292 automake complains that a Texinfo file does not have a
293 @setfilename statement.
295 - Erase config.status.lineno during `make distclean'. This file
296 can be created by config.status. Automake already knew about
297 configure.lineno, but forgot config.status.lineno.
299 - Distribute all files, even those which are built and installed
300 conditionally. This change affects files listed in conditionally
301 defined *_HEADERS and *_PYTHON variable (unless they are nodist_*)
302 as well as those listed in conditionally defined dist_*_DATA,
303 dist_*_JAVA, dist_*_LISP, and dist_*_SCRIPTS variables.
305 - Fix AM_PATH_LISPDIR to avoid \? in sed regular expressions; it
306 doesn't conform to POSIX.
308 - Normalize help strings for configure variables and options added
313 - Check for python2.4 in AM_PATH_PYTHON.
315 * Spurious failures in test suite:
317 - tests/libtool5.test, tests/ltcond.test, tests/ltcond2.test,
318 tests/ltconv.test: fix failures with CVS Libtool.
319 - tests/aclocal6.test: fix failure if autom4te.cache is disabled.
320 - tests/txinfo24.test, tests/txinfo25.test, tests/txinfo28.test:
321 fix failures with old Texinfo versions.
327 - The NEWS file is more verbose.
331 - Autoconf 2.58 or greater is required.
335 - Default source file names in the absence of a _SOURCES declaration
336 are made by removing any target extension before appending `.c', so
337 to make the libtool module `foo.la' from `foo.c', you only need to
340 lib_LTLIBRARIES = foo.la
341 foo_la_LDFLAGS = -module
343 For backward compatibility, foo_la.c will be used instead of
344 foo.c if this file exists or is the explicit target of a rule.
345 However -Wobsolete will warn about this deprecated naming.
347 - AR's `cru' flags are now set in a global ARFLAGS variable instead
348 of being hard-coded in each $(AR) invocation, so they can be
349 substituted from configure.ac. This has been requested by people
350 dealing with non-POSIX ar implementations.
352 - New warning option: -Woverride. This will warn about any user
353 target or variable definitions which override Automake
356 - Texinfo rules back up and restore info files when makeinfo fails.
358 - Texinfo rules now support the `html' target.
359 Running this requires Texinfo 4.0 or greater.
361 `html' is a new recursive target, so if your package mixes
362 hand-crafted `Makefile.in's with Automake-generated
363 `Makefile.in's, you should adjust the former to support (or
364 ignore) this target so that `make html' recurses successfully. If
365 you had a custom `html' rule in your `Makefile.am', it's better to
366 rename it as `html-local', otherwise your rule will override
367 Automake's new rule (you can check that by running `automake
368 -Woverride') and that will stop the recursion to subdirectories.
370 Last but not least, this `html' rule is declared PHONY, even when
371 overridden. Fortunately, it appears that few packages use a
372 non-PHONY `html' rule.
374 - Any file which is m4_included from configure.ac will appear as a
375 configure and Makefile.in dependency, and will be automatically
378 - The rules for rebuilding Makefiles and Makefile.ins will now
379 rebuild all Makefiles and all Makefile.ins at once when one of
380 configure's dependencies has changed. This is considerably faster
381 than previous implementations, where config.status and automake
382 were run separately in each directory (this still happens when you
383 change a Makefile.am locally, without touching configure.ac or
384 friends). Doing this also solves a longstanding issue: these
385 rebuild rules failed to work when adding new directories to the
386 tree, forcing you to run automake manually.
388 - For similar reasons, the rules to rebuild configure,
389 config.status, and aclocal.m4 are now defined in all directories.
390 Note that if you were using the CONFIG_STATUS_DEPENDENCIES and
391 CONFIGURE_DEPENDENCIES (formerly undocumented) variables, you
392 should better define them in all directories. This is easily done
393 using an AC_SUBST (make sure you prefix these dependencies with
394 $(top_srcdir) since this variable will appear at different
395 levels of the build tree).
397 - aclocal will now use `m4_include' instead of copying local m4
398 files into aclocal.m4. (Local m4 files are those you ship with
399 your project, other files will be copied as usual.)
401 Because m4_included files are automatically distributed, it means
402 for most projects there is no point in EXTRA_DISTing the list of
403 m4 files which are used. (You can probably get rid of
404 m4/Makefile.am if you had one.)
406 - aclocal will avoid touching aclocal.m4 when possible, so that
407 Autom4te's cache isn't needlessly invalidated. This behavior can
408 be switched off with the new `--force' option.
410 - aclocal now uses Autoconf's --trace to detect macros which are
411 actually used and will no longer include unused macros simply
412 because they where mentioned. This was often the case for macros
413 called conditionally.
415 - New options no-dist and no-dist-gzip.
417 - compile, depcomp, elisp-comp, install-sh, mdate-sh, mkinstalldirs,
418 py-compile, and ylwrap, now all understand --version and --help.
420 - Automake will now recognize AC_CONFIG_LINKS so far as removing created
421 links as part of the distclean target and including source files in
424 - AM_PATH_PYTHON now supports ACTION-IF-FOUND and ACTION-IF-NOT-FOUND
425 argument. The latter can be used to override the default behavior
428 - Automake will exit with $? = 63 on version mismatch. (So does
429 Autoconf 2.58) missing knows this, and in this case it will
430 emulate the tools as if they were absent. Because older versions
431 of Automake and Autoconf did not use this exit code, this change
432 will only be useful in projects generated with future versions of
435 - When using AC_CONFIG_FILES with multiple input files, Automake
436 generates the first ".in" input file for which a ".am" exists.
437 (Former versions would try to use only the first input file.)
439 - lisp_DATA is now allowed. If you are using the empty ELCFILES
440 idiom to disable byte-compilation of lisp_LISP files, it is
441 recommended that you switch to using lisp_DATA. Note that
442 this is not strictly equivalent: lisp_DATA will install elisp
443 files even if emacs is not installed, while *_LISP do not
444 install anything unless emacs is found.
446 - Makefiles will prefer `mkdir -p' over mkinstalldirs if it is
447 available. This selection is achieved through the Makefile
448 variable $(mkdir_p) that is set by AM_INIT_AUTOMAKE to either
449 `mkdir -m 0755 -p --', `$(mkinstalldirs) -m 0755', or
450 `$(install_sh) -m 0755 -d'.
454 - Because `mkdir -p' is available on most platforms, and we can use
455 `install-sh -d' when it is not, the use of the mkinstalldirs
456 script is being phased out. `automake --add-missing' no longer
457 installs it, and if you remove mkinstalldirs from your package,
458 automake will define $(mkinstalldirs) as an alias for $(mkdir_p).
460 Gettext 0.12.1 still requires mkinstalldirs. Fortunately
461 gettextize and autopoint will install it when needed. Automake
462 will continue to define the $(mkinstalldirs) and to distribute
463 mkinstalldirs when this script is in the source tree.
465 - AM_PROG_CC_STDC is now empty. The content of this macro was
466 merged in AC_PROG_CC. If your code uses $am_cv_prog_cc_stdc, you
467 should adjust it to use $ac_cv_prog_cc_stdc instead. (This
468 renaming should be safe, even if you have to support several,
469 versions of Automake, because AC_PROG_CC defines this variable
470 since Autoconf 2.54.)
472 - Some users where using the undocumented ACLOCAL_M4_SOURCES
473 variable to override the aclocal.m4 dependencies computed
474 (inaccurately) by older versions of Automake. Because Automake
475 now tracks configure's m4 dependencies accurately (see m4_include
476 above), the use of ACLOCAL_M4_SOURCES should be considered
477 obsolete and will be flagged as such when running `automake
482 - Defining programs conditionally using Automake conditionals no
483 longer leads to a combinatorial explosion. The following
484 construct used to be troublesome when used with dozens of
499 Likewise for _SOURCES, _LDADD, and _LIBADD variables.
501 - Due to implementation constraints, previous versions of Automake
502 proscribed multiple conditional definitions of some variables
512 All _PROGRAMS, _LDADD, and _LIBADD variables were affected.
513 This restriction has been lifted, and these variables now
514 support multiple conditional definitions as do other variables.
516 - Cleanup the definitions of $(distdir) and $(top_distdir).
517 $(top_distdir) now points to the root of the distribution
518 directory created during `make dist', as it did in Automake 1.4,
519 not to the root of the build tree as it did in intervening
520 versions. Furthermore these two variables are now only defined in
521 the top level Makefile, and passed to sub-directories when running
524 - The --no-force option now correctly checks the Makefile.in's
525 dependencies before deciding not to update it.
527 - Do not assume that make files are called Makefile in cleaning rules.
529 - Update .info files in the source tree, not in the build tree. This
530 is what the GNU Coding Standard recommend. Only Automake 1.7.x
531 used to update these files in the build tree (previous versions did
532 it in the source tree too), and it caused several problems, varying
533 from mere annoyance to portability issues.
535 - COPYING, COPYING.LIB, and COPYING.LESSER are no longer overwritten
536 when --add-missing and --force-missing are used. For backward
537 compatibility --add-missing will continue to install COPYING (in
538 `gnu' strictness) when none of these three files exist, but this
539 use is deprecated: you should better choose a license yourself and
540 install it once for all in your source tree (and in your code
543 - Fix ylwrap so that it does not overwrite header files that haven't
544 changed, as the inline rule already does.
546 - User-defined rules override automake-defined rules for the same
547 targets, even when rules do not have commands. This is not new
548 (and was documented), however some of the automake-generated
549 rules have escaped this principle in former Automake versions.
550 Rules for the following targets are affected by this fix:
552 clean, clean-am, dist-all, distclean, distclean-am, dvi, dvi-am,
553 info, info-am, install-data-am, install-exec-am, install-info,
554 install-info-am, install-man, installcheck-am, maintainer-clean,
555 maintainer-clean-am, mostlyclean, mostlyclean-am, pdf, pdf-am,
556 ps, ps-am, uninstall-am, uninstall-info, uninstall-man
558 Practically it means that an attempt to supplement the dependencies
559 of some target, as in
563 will now *silently override* the automake definition of the
564 rule for this target. Running `automake -Woverride' will diagnose
565 all such overriding definitions.
567 It should be noted that almost all these targets support a *-local
568 variant that is meant to supplement the automake-defined rule
569 (See node `Extending' in the manual). The above rule should
572 clean-local: my-clean-rule
574 These *-local targets have been documented since at least
575 Automake 1.2, so you should not fear the change if you have
576 to support multiple automake versions.
580 - The Automake manual is now distributed under the terms of the GNU FDL.
582 - Targets dist-gzip, dist-bzip2, dist-tarZ, dist-zip are always defined.
584 - core dumps are no longer removed by the cleaning rules. There are
585 at least three reasons for this:
586 1. These files should not be created by any build step,
587 so their removal do not fit any of the cleaning rules.
588 Actually, they may be precious to the developer.
589 2. If such file is created during a build, then it's clearly a
590 bug Automake should not hide. Not removing the file will
591 cause `make distcheck' to complain about its presence.
592 3. Operating systems have different naming conventions for
593 core dump files. A core file on one system might be a
594 completely legitimate data file on another system.
596 - RUNTESTFLAGS, CTAGSFLAGS, ETAGSFLAGS, JAVACFLAGS are no longer
597 defined by Automake. This means that any definition in the
598 environment will be used, unless overridden in the Makefile.am or
599 on the command line. The old behavior, where these variables were
600 defined empty in each Makefile, can be obtained by AC_SUBSTing or
601 AC_ARG_VARing each variable from configure.ac.
603 - CONFIGURE_DEPENDENCIES and CONFIG_STATUS_DEPENDENCIES are now
604 documented. (The is not a new feature, these variables have
605 been there since at least Automake 1.4.)
608 * Fix install-strip to work with nobase_ binaries.
609 * Fix renaming of #line directives in ylwrap.
610 * Rebuild with Autoconf 2.59. (1.7.8 was not installable with pdksh.)
613 * Remove spurious blank lines in cleaning rules introduced in 1.7.7.
614 * Fix detection of Debian's install-info, broken since version 1.5.
615 (Debian bug #213524).
616 * Honor -module if it appears in AM_LDFLAGS (i.e., relax name checking)
617 This was only done for libfoo_LDFLAGS and LDFLAGS in previous versions.
620 * The implementation of automake's --no-force option is unreliable,
621 so this option is ignored in this version. A real fix will appear in
622 Automake 1.8. (Debian Bug #206299)
623 * AM_PATH_PYTHON: really check the whole list of interpreters if no
624 argument is given. (PR/399)
625 * Do not warn about leading `_' in variable names, even with -Wportability.
626 * Support user redefinitions of TEXINFO_TEX.
627 * depcomp: support AIX Compiler version 6.
628 * Fix missing rebuilds during `make dist' with BSD make.
629 (Could produce tarballs containing out-of-date files.)
630 * Resurrect multilib support.
631 * Noteworthy manual updates:
632 - Extending aclocal: how to write m4 macros that won't trigger warnings
634 - A Shared Library: Rewrite and split into subsections.
637 * Fix depcomp's icc mode for ICC 7.1.
638 * Diagnose calls to AC_CONFIG_FILES and friends with not enough arguments.
639 * Fix maintainer-clean's removal of autom4te.cache in VPATH builds.
640 * Fix AM_PATH_LISPDIR to work with POSIXLY_CORRECT=1.
641 * Fix the location reported in some diagnostics related to AUTOMAKE_OPTIONS.
642 * Remove Latin-1 characters from elisp-comp.
643 * Update the manual's @dircategory to match the Free Software Directory.
646 * Update install-sh's license to remove an advertising clause.
648 * Fix a bug introduced in 1.7.4, related to BUILT_SOURCE handling,
649 that caused invalid Makefile.ins to be generated.
650 * Make sure AM_MAKE_INCLUDE doesn't fail when a `doit' file exists.
651 * New FAQ entry: renamed objects.
654 * Tweak the TAGS rule to support Exuberant Ctags (in addition to
655 the Emacs implementation)
656 * Fix output of aclocal.m4 dependencies in subdirectories.
657 * Use `mv -f' instead of `mv' in fastdep rules.
658 * Upgrade mdate-sh to work on OS/2.
659 * Don't byte-compile elisp files when ELCFILES is set empty.
660 (this documented feature was broken by 1.7.3)
661 * Diagnose trailing backslashes on last line of Makefile.am.
662 * Diagnose whitespace following trailing backslashes.
663 * Multiple tests are now correctly supported in DEJATOOL. (PR/388)
664 * Fix rebuilt rules for AC_CONFIG_FILES([Makefile:Makefile.in:Makefile.bot])
666 * `make install' will build `BUILT_SOURCES' first.
667 * Minor documentation fixes.
670 * Fix stamp files numbering (when using multiple AC_CONFIG_HEADERS).
671 * Query distutils for `pythondir' and `pythonexecdir', instead of
672 using an hardcoded path. This should allow builds on 64-bit
673 distributions that usually use lib64/ instead of lib/.
674 * AM_PATH_PYTHON will also search for python2.3.
675 * elisp files are now built all at once instead of one by one. Besides
676 incurring a speed-up, this is required to support interdependent elisp files.
678 - `make distcheck' will now work in `_inst/' and `_build' instead
679 of `=inst/' and `=build/'
680 - use `_dirstamp' when the file-system doesn't support `.dirstamp'
681 - install/uninstall `*.i[0-9][0-9]'-style info files
682 - more changes that affect only the Automake package (not its output)
683 * Fix some incompatibilities with upcoming perl-5.10.
684 * Properly quote AC_PACKAGE_TARNAME and AC_PACKAGE_VERSION when defining
687 - dashmstdout and dashXmstdout modes: don't use `-o /dev/null', this
688 is troublesome with gcc and Solaris compilers. (PR/385)
689 - makedepend mode: work with Libtool. (PR/385 too)
691 * better support for unusual gettext setups, such as multiple po/ directories
693 - Flag missing po/ and intl/ directories as warnings, not errors.
694 - Disable these warnings if po/ does not exist.
695 * Noteworthy manual updates:
697 - Document how AC_CONFIG_AUX_DIR interacts with missing files.
699 - Document `AM_YFLAGS = -d'. (PR/382)
702 * Fix installation and uninstallation of Info files built in subdirectories.
703 * Do not run `./configure --with-included-gettext' during `make distcheck'
704 if AM_GNU_GETTEXT([external]) is used.
705 * Correctly uninstall renamed man pages.
706 * Do not strip escaped newline in variables defined in one condition
707 and augmented in another condition.
708 * Fix ansi2knr rules for LIBOBJS sources.
709 * Clean all known Texinfo index files, not only those which appear to
710 be used, because we cannot know wich indexes are used in included files.
711 (PR/375, Debian Bug #168671)
712 * Honor only the first @setfilename seen in a Texinfo file.
713 * Treat "required file X not found" diagnostics as errors (exit status 1).
714 * Don't complain that a required file is not found when it is a Makefile
716 * Don't use single suffix inference rules when building `.info'-less
717 Info files, for the sake of Solaris make.
718 * The `check' target now depends on `$(BUILT_SOURCES)'. (PR/359)
719 * Recognize multiple inference rules such as `.a.b .c.d:'. (PR/371)
720 * Warn about multiple inference rules when -Wportability is used. (PR/372)
721 * Fix building of deansified files from subdirectories. (PR/370)
722 * Add missing `fi' in the .c->.obj rules.
723 * Improve install-sh to work even when names contain spaces or certain
724 (but not all) shell metachars.
725 * Fix the following spurious failures in the test suite:
726 depcomp2.test, gnits2.test, gnits3.test, python3.test, texinfo13.test
727 * Noteworthy manual updates:
728 - Augment the section about BUILT_SOURCES.
729 - Mention that AM_PROG_CC_STDC is a relic that is better avoided today.
732 * Honor `ansi2knr' for files built in subdirectories, or using per-targets
734 * Aclocal should now recognize macro names containing parentheses, e.g.
735 AC_DEFUN([AC_LANG_PREPROC(Fortran 90)], [...]).
736 * Erase *.sum and *.log files created by DejaGnu, during `make distclean'.
738 * Install Python files even if they were built. (PR/369)
739 * Have stamp-vti dependent upon configure instead of configure.ac, as the
740 version might not be defined in the latter. (PR/358)
741 * Reorder arguments passed to a couple of commands, so things works
742 when POSIXLY_CORRECT=1.
743 * Fix a regex that can cause Perl to segfault on large input.
745 * Fix distribution of packages that have some sources defined conditionally,
746 as in the `Conditional compilation using Automake conditionals' example
748 * Fix spurious test suite failures on IRIX.
749 * Don't report a required variable as undefined if it has been
750 defined conditionally for the "right" conditions.
751 * Fix cleaning of the /tmp subdirectory used by `make distcheck', in case
752 `make distcheck' fails.
753 * Fix distribution of included Makefile fragment, so we don't create
754 spurious directories in the distribution. (PR/366)
755 * Don't complain that a target lacks `.$(EXEEXT)' when it has it.
758 * Autoconf 2.54 is required.
759 * `aclocal' and `automake' will no longer warn about obsolete
760 configure macros. This is done by `autoconf -Wobsolete'.
761 * AM_CONFIG_HEADER, AM_SYS_POSIX_TERMIOS and
762 AM_HEADER_TIOCGWINSZ_NEEDS_SYS_IOCTL are obsolete (although still
763 supported). You should use AC_CONFIG_HEADERS, AC_SYS_POSIX_TERMIOS,
764 and AC_HEADER_TIOCGWINSZ instead. `autoupdate' can upgrade
765 `configure.ac' for you.
766 * Support for per-program and per-library `_CPPFLAGS'.
767 * New `ctags' target (builds CTAGS files).
768 * Support for -Wmumble and -Wno-mumble, where mumble is a warning category
769 (see `automake --help' or the manual for a list of them).
770 * Honor the WARNINGS environment variable.
771 * Omit the call to depcomp when using gcc3: call the compiler directly.
772 * A new option, std-options, tests that programs support --help and --version
773 when `make installcheck' is run. This is enabled by --gnits.
774 * Texinfo rules now support the `ps' and `pdf' targets.
775 * Info files are now created in the build directory, not the source directory.
776 * info_TEXINFOS supports files in subdirectories (this requires Texinfo 4.1
778 * `make distcheck' will enforce DESTDIR support by attempting
780 * `+=' can be used in conditionals, even if the augmented variable
781 was defined for another condition.
782 * Makefile fragments (inserted with `include') are always distributed.
783 * Use Autoconf's --trace interface to inspect configure.ac and get
784 a more accurate view of it.
785 * Add support for extending aclocal's default macro search path
786 using a `dirlist' file within the aclocal directory.
787 * automake --output-dir is deprecated.
788 * The part of the distcheck target that checks whether uninstall actually
789 removes all installed files has been moved in a separate target,
790 distuninstallcheck, so it can be overridden easily.
794 * Support for AM_INIT_GETTEXT([external])
795 * Bug fixes, including:
796 - Fix Automake's own `make install' so it works even if `ln' doesn't.
797 - nobase_ programs and scripts honor --program-transform correctly.
798 - Erase configure.lineno during `make distclean'.
799 - Erase YACC and LEX outputs during `make maintainer-clean'.
802 * Many bug fixes, including:
803 - Requiring the current version works.
804 - Fix "$@" portability issues (for Zsh).
805 - Fix output of dummy dependency files in presence of post-processed
807 - Don't compute dependencies in background to avoid races with libtool.
808 - Fix handling of _OBJECTS variables for targets sharing source variables.
809 - Check dependency mode for Java when AM_PROG_GCJ is used.
812 * automake --output-dir is deprecated
813 * Many bug fixes, including:
814 - Don't choke on AM_LDFLAGS definitions.
815 - Clean libtool objects from subdirectories.
816 - Allow configure variables with reserved suffix and unknown prefix
817 (e.g. AC_SUBST(mumble_LDFLAGS) when 'mumble' is not a target).
818 - Fix the definition of AUTOMAKE and ACLOCAL in configure.
821 * Autoconf 2.52 is required.
822 * automake no longer run libtoolize.
823 This is the job of autoreconf (from GNU Autoconf).
824 * `dist' generates all the archive flavors, as did `dist-all'.
825 * `dist-gzip' generates the Gzip tar file only.
826 * Combining Automake Makefile conditionals no longer lead to a combinatorial
827 explosion. Makefile.in's keep a reasonable size.
828 * AM_FUNC_ERROR_AT_LINE, AM_FUNC_STRTOD, AM_FUNC_OBSTACK, AM_PTRDIFF_T
829 are no longer shipped, since Autoconf 2.52 provides them (both as AM_
831 * `#line' of Lex and Yacc files are properly set.
832 * EXTRA_DIST can contain generated directories.
833 * Support for dot-less extensions in suffix rules.
834 * The part of the distcheck target that checks whether distclean actually
835 cleans all built files has been moved in a separate target, distcleancheck,
836 so it can be overridden easily.
837 * `make distcheck' will pass additional options defined in
838 $(DISTCHECK_CONFIGURE_FLAGS) to configure.
839 * Fixed CDPATH portability problems, in particular for MacOS X.
840 * Fixed handling of nobase_ targets.
841 * Fixed support of implicit rules leading to .lo objects.
842 * Fixed late inclusion of --add-missing files (e.g. depcomp) in DIST_COMMON
843 * Added uninstall-hook target
844 * `AC_INIT AM_INIT_AUTOMAKE(tarname,version)' is an obsolete construct.
845 You can now use `AC_INIT(pkgname,version) AM_INIT_AUTOMAKE' instead.
846 (Note that "pkgname" is not "tarname", see the manual for details.)
847 It is also possible to pass a list of global Automake options as
848 first argument to this new form of AM_INIT_AUTOMAKE.
849 * Compiler-based assembler is now called `CCAS'; people expected `AS'
850 to be a real assembler.
851 * AM_INIT_AUTOMAKE will set STRIP itself when it needs it. Adding
852 AC_CHECK_TOOL([STRIP], [strip]) manually is no longer required.
853 * aclocal and automake are also installed with the version number
854 appended, and some of the install directory names have changed.
855 This lets you have multiple versions installed simultaneously.
856 * Support for parsers and lexers in subdirectories.
859 * Support for `configure.ac'.
860 * Support for `else COND', `endif COND' and negated conditions `!COND'.
861 * `make dist-all' is much faster.
862 * Allows '@' AC_SUBSTs in macro names.
863 * Faster AM_INIT_AUTOMAKE (requires update of `missing' script)
864 * User-side dependency tracking. Developers no longer need GNU make
866 * Uses DIST_SUBDIRS in some situations when SUBDIRS is conditional
867 * Most files are correctly handled if they appear in subdirs
868 For instance, a _DATA file can appear in a subdir
869 * GNU tar is no longer required for `make dist'
870 * Added support for `dist_' and `nodist_' prefixes
871 * Added support for `nobase_' prefix
872 * Compiled Java support
873 * Support for per-executable and per-library compilation flags
877 * Added support for the Fortran 77 programming language.
878 * Re-indexed the Automake Texinfo manual.
879 * Added `AM_FOOFLAGS' variable for each compiler invocation;
880 e.g. AM_CFLAGS can be used in Makefile.am to set C compiler flags
881 * Support for latest autoconf, including support for objext
882 * Can now put `.' in SUBDIRS to control build order
883 * `include' command and `+=' support for macro assignment
884 * Dependency tracking no long susceptible to deleted header file problem
885 * Maintainer mode now a conditional. @MAINT@ is now an anachronism.
890 * Better Cygwin32 support
891 * Support for suffix rules with _SOURCES variables
892 * New options `readme-alpha' and `check-news'; Gnits mode sets these
893 * @LEXLIB@ no longer required when lex source seen
894 Lex support in `missing', and new lex macro. Update your missing script.
895 * Built-in support for assembly
896 * aclocal gives error if `AM_' macro not found
897 * Passed YFLAGS, not YACCFLAGS, to yacc
898 * AM_PROG_CC_STDC does not have to come before AC_PROG_CPP
899 * Dependencies computed as a side effect of compilation
900 * Preliminary support for Java
901 * DESTDIR support at "make install" time
902 * Improved ansi2knr support; you must use the latest ansi2knr.c (included)
906 * Better DejaGnu support
907 * Added no-installinfo option
908 * Added Emacs Lisp support
909 * Added --no-force option
910 * Included `aclocal' program
911 * Automake will now generate rules to regenerate aclocal.m4, if appropriate
912 * Now uses `AM_' macro names everywhere
913 * ansi2knr option can have directory prefix (eg `../lib/ansi2knr')
914 ansi2knr now works correctly on K&R sources
915 * Better C++, yacc, lex support
916 * Will compute _DEPENDENCIES variables automatically if not supplied
917 * Will interpolate $(...) and ${...} when examining contents of a variable
918 * .deps files now in build directory, not source directory; dependency
919 handling generally rewritten
920 * DATA, MANS and BUILT_SOURCES no longer included in distribution
921 * can now put config.h into a subdir
922 * Added dist-all target
923 * Support for install-info program (see texinfo 3.9)
924 * Support for "yacc -d"
925 * configure substitutions are automatically discovered and included
926 in generated Makefile.in
927 * Special --cygnus mode
928 * OMIT_DEPENDENCIES can now hold list of dependencies to be omitted
929 when making distribution. Some dependencies are auto-ignored.
930 * Changed how libraries are specified in _LIBRARIES variable
931 * Full libtool support, from Gord Matzigkeit
932 * No longer have to explicitly touch stamp-h when using AC_CONFIG_HEADER;
933 AM_CONFIG_HEADER handles it automatically
934 * Texinfo output files no longer need .info extension
935 * Added `missing' support
937 * Conditionals in Makefile.am, from Ian Taylor
941 * distcheck target runs install and installcheck targets
942 * Added preliminary support for DejaGnu.
947 * More libtool fixes from Gord Matzigkeit; libtool support is still
949 * Added support for jm_MAINTAINER_MODE
951 * New "distcheck" target
955 * mkinstalldirs and mdate-sh now appear in directory specified by
957 * Removed DIST_SUBDIRS, DIST_OTHER
958 * AC_ARG_PROGRAM only required when an actual program exists
959 * dist-hook target now run before distribution packaged up; idea from
960 Dieter Baron. Other hooks exist, too.
961 * Preliminary (unfinished) support for libtool
962 * Added short option names.
963 * Better "dist" support when gluing together multiple packages
967 * Documentation updates (many from François Pinard)
968 * strictness `normal' now renamed to `foreign'
969 * Renamed --install-missing to --add-missing
970 * Now handles AC_CONFIG_AUX_DIR
971 * Now handles TESTS macro
972 * DIST_OTHER renamed to EXTRA_DIST
973 * DIST_SUBDIRS is deprecated
974 * @ALLOCA@ and @LIBOBJS@ now work in _LDADD variables
975 * Better error messages in many cases
976 * Program names are canonicalized
977 * Added "check" prefix; from Gord Matzigkeit
981 * configure.in scanner knows about AC_PATH_XTRA, AC_OUTPUT ":" syntax
982 * Beginnings of a test suite
983 * Automatically adds -I options for $(srcdir), ".", and path to config.h
984 * Doesn't print anything when running
985 * Beginnings of MAINT_CHARSET support
986 * Can specify version in AUTOMAKE_OPTIONS
987 * Most errors recognizable by Emacs' M-x next-error
988 * Added --verbose option
989 * All "primary" variables now obsolete; use EXTRA_PRIMARY to supply
990 configure-generated names
991 * Required macros now distributed in aclocal.m4
993 * --strictness=gnu is default
997 * More sophisticated configure.in scanning; now understands ALLOCA and
998 LIBOBJS directly, handles AC_CONFIG_HEADER more precisely, etc.
999 * TEXINFOS and MANS now obsolete; use info_TEXINFOS and man_MANS instead.
1000 * CONFIG_HEADER variable now obsolete
1001 * Can handle multiple Texinfo sources
1002 * Allow hierarchies deeper than 2. From Gord Matzigkeit.
1003 * HEADERS variable no longer needed; now can put .h files directly into
1004 foo_SOURCES variable.
1005 * Automake automatically rebuilds files listed in AC_OUTPUT. The
1006 corresponding ".in" files are included in the distribution.
1009 * Added --gnu and --gnits options
1010 * More standards checking
1012 * Cleaned up 'dist' targets
1013 * Added AUTOMAKE_OPTIONS variable and several options
1014 * Now scans configure.in to get some information (preliminary)
1017 * Works with Perl 4 again
1020 * Added --install-missing option.
1021 * Pretty-prints generated macros and rules
1022 * Comments in Makefile.am are placed more intelligently in Makefile.in
1023 * Generates .PHONY target
1024 * Rule or macro in Makefile.am now overrides contents of Automake file
1025 * Substantial cleanups from François Pinard
1029 * Works with Perl 4 again.
1032 * New uniform naming scheme.
1033 * --strictness option
1035 * '.c' files corresponding to '.y' or '.l' files are automatically
1037 * Many bug fixes and cleanups
1040 * Allow objects to be conditionally included in libraries via lib_LIBADD.
1043 * Bug fixes in 'clean' code.
1044 * Now generates 'installdirs' target.
1045 * man page installation reworked.
1046 * 'make dist' no longer re-creates all Makefile.in's.
1049 * Reimplemented in Perl
1050 * Added --amdir option (for debugging)
1051 * Texinfo support cleaned up.
1052 * Automatic de-ANSI-fication cleaned up.
1053 * Cleaned up 'clean' targets.
1056 * Automatic dependency tracking
1057 * More documentation
1058 * New variables DATA and PACKAGEDATA
1059 * SCRIPTS installed using $(INSTALL_SCRIPT)
1060 * No longer uses double-colon rules
1062 * Changes in advance of internationalization
1066 Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003
1067 Free Software Foundation, Inc.
1069 This file is part of GNU Automake.
1071 GNU Automake is free software; you can redistribute it and/or modify
1072 it under the terms of the GNU General Public License as published by
1073 the Free Software Foundation; either version 2, or (at your option)
1076 GNU Automake is distributed in the hope that it will be useful,
1077 but WITHOUT ANY WARRANTY; without even the implied warranty of
1078 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
1079 GNU General Public License for more details.
1081 You should have received a copy of the GNU General Public License
1082 along with GNU Automake; see the file COPYING. If not, write to
1083 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
1084 Boston, MA 02111-1307, USA.
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