5 - automake now generates silenced rules for texinfo outputs.
7 - The deprecated options `--output-dir', `--Werror' and `--Wno-error'
12 - New `cscope' target to build a cscope database for the source tree.
14 * Miscellaneous changes:
16 - The `dist' and `dist-all' targets now can run compressors in parallel.
18 - The `lzma' compression scheme and associated automake option `dist-lzma'
19 is obsoleted by `xz' and `dist-xz' due to upstream changes.
21 - "make dist" can now create lzip-compressed tarballs.
23 - You may adjust the compression options used in dist-xz and dist-bzip2.
24 The default is still -9 for each, but you may specify a different
25 level via the XZ_OPT and BZIP2 envvars respectively. E.g.,
26 "make dist-xz XZ_OPT=-7" or "make dist-xz BZIP2=-5"
28 - Messages of types warning or error from `automake' and `aclocal' are now
29 prefixed with the respective type, and presence of -Werror is noted.
31 - The `compile' script now converts some options for MSVC for a better
32 user experience. Similarly, the new `ar-lib' script wraps Microsoft lib.
34 - Automake's early configure-time sanity check now tries to avoid sleeping
35 for a second, which slowed down cached configure runs noticeably. In that
36 case, it will check back at the end of the configure script to ensure that
37 at least one second has passed, to avoid time stamp issues with makefile
38 rules rerunning autotools programs.
40 - For programs and libraries, automake now detects EXTRA_foo_DEPENDENCIES and
41 adds them to the normal list of dependencies, but without overwriting the
42 foo_DEPENDENCIES variable, which is normally computed by automake.
44 - C source and header files derived from non-distributed Yacc sources are
45 now removed by "make clean", not only by "make maintainer-clean".
49 - Lots of minor bugfixes.
51 * Bugs introduced by 1.11:
53 - The `parallel-tests' test driver works around a GNU make 3.80 bug with
54 trailing white space in the test list (`TESTS = foo $(EMPTY)').
56 - The `silent-rules' option now also silences all compile rules if dependency
57 tracking is disabled. Also, when `silent-rules' is not used, the output from
58 `make' does not contain spurious extra lines with only a backslash in them
59 any more; it now again matches that from pre-1.11 Automake.
61 - The `dist-xz' option now uses `xz -9' for maximum compression.
63 - The AM_COND_IF macro also works if the shell expression for the conditional
64 is no longer valid for the condition.
68 - On Darwin 9, `pythondir' and `pyexecdir' pointed below `/Library/Python'
69 even if the `--prefix' argument pointed outside of a system directory.
70 AM_PATH_PYTHON has been fixed to ignore the value returned from python's
71 `get_python_lib' function if it points outside the configured prefix,
72 unless the `--prefix' argument was either `/usr' or below `/System'.
74 - The testsuite does not try to change the mode of `ltmain.sh' files from
75 a Libtool installation (symlinked to test directories) any more.
77 - AM_PROG_GCJ uses AC_CHECK_TOOLS to look for `gcj' now, so that prefixed
78 tools are preferred in a cross-compile setup.
80 - The distribution is tarred up with mode 755 now by the `dist*' targets.
81 This fixes a race condition where untrusted users could modify files
82 in the $(PACKAGE)-$(VERSION) distdir before packing if the toplevel
83 build directory was world-searchable. This is CVE-2009-4029.
85 - Several scripts as well as the parallel-tests testsuite driver now
86 exit with the right exit status upon receiving a signal.
88 - A per-Makefile.am setting of -Werror does not carry over to the
89 handling of other Makefile.am files any more.
91 - The order of Yacc and Lex flags is fixed to be consistent with other
92 languages: $(AM_YFLAGS) comes before $(YFLAGS), and $(AM_LFLAGS) before
93 $(LFLAGS), so that the user variables override the developer variables.
95 - Rules generated by Automake now try harder to not change any files when
96 `make -n' is invoked. Fixes include compilation of Emacs Lisp, Vala, or
97 Yacc source files and the rule to update config.h.
99 - The code for automatic dependency tracking works around a Solaris
100 make bug triggered by sources containing repeated slashes when the
101 `subdir-objects' option was used.
103 - Automake now detects the presence of the `-d' flag in the various
104 `*YFLAGS' variables even when their definitions involve indirections
105 through other variables, such as in:
107 AM_YFLAGS = $(foo_opts)
109 - Automake now complains if a `*YFLAGS' variable has any conditional
110 content, not only a conditional definition.
112 - Explicit enabling and/or disabling of Automake warning categories
113 through the `-W...' options now always takes precedence over the
114 implicit warning level implied by Automake strictness (foreign, gnu
115 or gnits), regardless of the order in which such strictness and
116 warning flags appear. For example, a setting like:
117 AUTOMAKE_OPTIONS = -Wall --foreign
118 will cause the warnings in category `portability' to be enabled, even
119 if those warnings are by default disabled in `foreign' strictness.
123 * Version requirements:
125 - Autoconf 2.62 or greater is required.
127 * Changes to aclocal:
129 - The autoconf version check implemented by aclocal in aclocal.m4
130 (and new in Automake 1.10) is degraded to a warning. This helps
131 in the common case where the Autoconf versions used are compatible.
133 * Changes to automake:
135 - The automake program can run multiple threads for creating most
136 Makefile.in files concurrently, if at least Perl 5.7.2 is available
137 with interpreter-based threads enabled. Set the environment variable
138 AUTOMAKE_JOBS to the maximum number of threads to use, in order to
139 enable this experimental feature.
141 * Changes to Libtool support:
143 - Libtool generic flags are now passed to the install and uninstall
146 - distcheck works with Libtool 2.x even when LT_OUTPUT is used, as
147 config.lt is removed correctly now.
151 - subdir-object mode works now with Fortran (F77, FC, preprocessed
152 Fortran, and Ratfor).
154 - For files with extension .f90, .f95, .f03, or .f08, the flag
155 $(FCFLAGS_f[09]x) computed by AC_FC_SRCEXT is now used in compile rules.
157 - Files with extension .sx are also treated as preprocessed assembler.
159 - The default source file extension (.c) can be overridden with
160 AM_DEFAULT_SOURCE_EXT now.
162 - Python 3.0 is supported now, Python releases prior to 2.0 are no
165 - AM_PATH_PYTHON honors python's idea about the site directory.
167 - There is initial support for the Vala programming language, when using
170 * Miscellaneous changes:
172 - Automake development is done in a git repository on Savannah now, see
174 http://git.sv.gnu.org/gitweb/?p=automake.git
176 A read-only CVS mirror is provided at
178 cvs -d :pserver:anonymous@pserver.git.sv.gnu.org:/automake.git \
179 checkout -d automake HEAD
181 - "make dist" can now create xz-compressed tarballs,
182 as well as (deprecated?) lzma-compressed tarballs.
184 - `automake --add-missing' will by default install the GPLv3 file as
185 COPYING if it is missing. It will also warn that the license file
186 should be added to source control. Note that Automake will never
187 overwrite an existing COPYING file, even when the `--force-missing'
190 - The manual is now distributed under the terms of the GNU FDL 1.3.
192 - Automake ships and installs man pages for automake and aclocal now.
194 - New shorthand `$(pkglibexecdir)' for `$(libexecdir)/@PACKAGE@'.
196 - install-sh supports -C, which does not update the installed file
197 (and its time stamps) if the contents did not change.
199 - The `gnupload' script has been revamped.
201 - The `depcomp' and `compile' scripts now work with MSVC under MSYS.
203 - The targets `install' and `uninstall' are more efficient now, in that
204 for example multiple files from one Automake variable such as
205 `bin_SCRIPTS' are copied in one `install' (or `libtool --mode=install')
206 invocation if they do not have to be renamed.
208 Both install and uninstall may sometimes enter (`cd' into) the target
209 installation directory now, when no build-local scripts are used.
211 Both install and uninstall do not fail anymore but do nothing if an
212 installation directory variable like `bindir' is set to the empty string.
214 For built-in rules, `make install' now fails reliably if installation
215 of a file failed. Conversely, `make uninstall' even succeeds when
216 issued multiple times.
218 These changes may need some adjustments from users: For example,
219 some `install' programs refuse to install multiple copies of the
220 same file in one invocation, so you may need to remove duplicate
221 entries from file lists.
223 Also, within one set of files, say, nobase_data_DATA, the order of
224 installation may be changed, or even unstable among different hosts,
225 due to the use of associative arrays in awk. The increased use of
226 awk matches a similar move in Autoconf to provide for better scaling.
228 Further, most undocumented per-rule install command variables such as
229 binSCRIPT_INSTALL have been removed because they are not needed any
230 more. Packages which use them should be using the appropriate one of
231 INSTALL_{DATA,PROGRAM,SCRIPT} or their install_sh_{DATA,PROGRAM,SCRIPT}
232 counterpart, depending on the type of files and the need for automatic
233 target directory creation.
235 - The "deleted header file problem" for *.m4 files is avoided by
236 stub rules. This allows `make' to trigger a rerun of `aclocal'
237 also if some previously needed macro file has been removed.
239 - Rebuild rules now also work for a removed `subdir/Makefile.in' in
240 an otherwise up to date tree.
242 - The `color-tests' option causes colored test result output on terminals.
244 - The `parallel-tests' option enables a new test driver that allows for
245 parallel test execution, inter-test dependencies, lazy test execution
246 for unit-testing, re-testing only failed tests, and formatted result output
247 as RST (reStructuredText) and HTML. Enabling this option may require some
248 changes to your test suite setup; see the manual for details.
250 - The `silent-rules' option enables Linux kernel-style silent build output.
251 This option requires the widely supported but non-POSIX `make' feature
252 of recursive variable expansion, so do not use it if your package needs
253 to build with `make' implementations that do not support it.
255 To enable less verbose build output, the developer has to use the Automake
256 option `silent-rules' in `AM_INIT_AUTOMAKE', or call the `AM_SILENT_RULES'
257 macro. The user may then set the default verbosity by passing the
258 `--enable-silent-rules' option to `configure'. At `make' run time, this
259 default may be overridden using `make V=0' for less verbose, and `make V=1'
260 for backward-compatible verbose output.
262 - New prefix `notrans_' for manpages which should not be transformed
263 by --program-transform.
265 - New macro AM_COND_IF for conditional evaluation and conditional
268 - For AC_CONFIG_LINKS, if source and destination are equal, do not
269 remove the file in a non-VPATH build. Such setups work with Autoconf
272 - AM_MAINTAINER_MODE now allows for an optional argument specifying
275 - AM_SUBST_NOTMAKE may prevent substitution of AC_SUBSTed variables,
276 useful especially for multi-line values.
278 - Automake's early configure-time sanity check now diagnoses an
279 unsafe absolute source directory name and makes configure fail.
281 - The Automake macros and rules cope better with whitespace in the
282 current directory name, as long as the relative path to `configure'
283 does not contain whitespace. To this end, the values of `$(MISSING)'
284 and `$(install_sh)' may contain suitable quoting, and their expansion
285 might need `eval'uation if used outside of a makefile. These
286 undocumented variables may be used in several documented macros such
287 as $(AUTOCONF) or $(MAKEINFO).
291 * Long standing bugs:
293 - Fix aix dependency tracking for libtool objects.
295 - Work around AIX sh quoting issue in AC_PROG_CC_C_O, leading to
296 unnecessary use of the `compile' script.
298 - For nobase_*_LTLIBRARIES with nonempty directory components, the
299 correct `-rpath' argument is used now.
301 - `config.status --file=Makefile depfiles' now also works with the
302 extra quoting used internally by Autoconf 2.62 and newer
303 (it used to work only without the `--file=' bit).
305 - The `missing' script works better with versioned tool names.
307 - Semantics for `missing help2man' have been revamped:
309 Previously, if `help2man' was not present, `missing help2man' would have
310 the following semantics: if some man page was out of date but present, then
311 a warning would be printed, but the exit status was 0. If the man page was
312 not present at all, then `missing' would create a replacement man page
313 containing an error message, and exit with a status of 2. This does not play
314 well with `make': the next run will see this particular man page as being up
315 to date, and will only error out on the next generated man page, if any;
316 repeat until all pages are done. This was not desirable.
318 These are the new semantics: if some man page is not present, and help2man
319 is not either, then `missing' will warn and generate the replacement page
320 containing the error message, but exit successfully. However, `make dist'
321 will ensure that no such bogus man pages are packaged into a tarball.
323 - Targets provided by automake behave better with `make -n', in that they
324 take care not to create files.
326 - `config.status Makefile... depfiles' works fine again in the presence of
327 disabled dependency tracking.
329 - The default no-op recursive rules for these targets also work with BSD make
330 now: html, install-html, install-dvi, install-pdf, install-pdf, install-info.
332 - `make distcheck' works also when both a directory and some file below it
333 have been added to a distribution variable, such as EXTRA_DIST or *_SOURCES.
335 - Texinfo dvi, ps, pdf, and html output files are not removed upon
336 `make mostlyclean' any more; only the LaTeX by-products are.
338 - Renamed objects also work with the `subdir-objects' option and
339 source file languages which Automake does not know itself.
341 - `automake' now correctly complains about variable assignments which are
342 preceded by a comment, extend over multiple lines with backslash-escaped
343 newlines, and end in a comment sign. Previous versions would silently
344 and wrongly ignore such assignments completely.
346 * Bugs introduced by 1.10:
348 - Fix output of dummy dependency files in presence of post-processed
349 Makefile.in's again, but also cope with long lines.
351 - $(EXEEXT) is automatically appended to filenames of XFAIL_TESTS
352 that have been declared as programs in the same Makefile.
353 This is for consistency with the analogous change to TESTS in 1.10.
355 - Fix order of standard includes to again be `-I. -I$(srcdir)',
356 followed by directories containing config headers.
360 * Version requirements:
362 - Autoconf 2.60 or greater is required.
364 - Perl 5.6 or greater is required.
366 * Changes to aclocal:
368 - aclocal now also supports -Wmumble and -Wno-mumble options.
370 - `dirlist' entries (for the aclocal search path) may use shell
371 wildcards such as `*', `?', or `[...]'.
373 - aclocal supports an --install option that will cause system-wide
374 third-party macros to be installed in the local directory
375 specified with the first -I flag. This option also uses #serial
376 lines in M4 files to upgrade local macros.
378 The new aclocal options --dry-run and --diff help to review changes
379 before they are installed.
381 - aclocal now outputs an autoconf version check in aclocal.m4 in
382 projects using automake.
384 For a few years, automake and aclocal have been calling autoconf
385 (or its underlying engine autom4te) to accurately retrieve the
386 data they need from configure.ac and its siblings. Doing so can
387 only work if all autotools use the same version of autoconf. For
388 instance a Makefile.in generated by automake for one version of
389 autoconf may stop working if configure is regenerated with another
390 version of autoconf, and vice versa.
392 This new version check ensures that the whole build system has
393 been generated using the same autoconf version.
395 * Support for new Autoconf macros:
397 - The new AC_REQUIRE_AUX_FILE Autoconf macro is supported.
399 - If `subdir-objects' is set, and AC_CONFIG_LIBOBJ_DIR is specified,
400 $(LIBOBJS), $(LTLIBOBJS), $(ALLOCA), and $(LTALLOCA) can be used
401 in different directories. However, only one instance of such a
402 library objects directory is supported.
404 * Change to Libtool support:
406 - Libtool generic flags (those that go before the --mode=MODE option)
407 can be specified using AM_LIBTOOLFLAGS and target_LIBTOOLFLAGS.
409 * Yacc and Lex changes:
411 - The rebuild rules for distributed Yacc and Lex output will avoid
412 overwriting existing files if AM_MAINTAINER_MODE and maintainer-mode
415 - ylwrap is now always used for lex and yacc source files,
416 regardless of whether there is more than one source per directory.
420 - Preprocessed assembler (*.S) compilation now honors CPPFLAGS,
421 AM_CPPFLAGS and per-target _CPPFLAGS, and supports dependency
422 tracking, unlike non-preprocessed assembler (*.s).
424 - subdir-object mode works now with Assembler. Automake assumes
425 that the compiler understands `-c -o'.
427 - Preprocessed assembler (*.S) compilation now also honors
428 $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES).
430 - Improved support for Objective C:
431 - Autoconf's new AC_PROG_OBJC will enable automatic dependency tracking.
432 - A new section of the manual documents the support.
434 - New support for Unified Parallel C:
435 - AM_PROG_UPC looks for a UPC compiler.
436 - A new section of the manual documents the support.
438 - Per-target flags are now correctly handled in link rules.
440 For instance maude_CFLAGS correctly overrides AM_CFLAGS; likewise
441 for maude_LDFLAGS and AM_LDFLAGS. Previous versions bogusly
442 preferred AM_CFLAGS over maude_CFLAGS while linking, and they
443 used both AM_LDFLAGS and maude_LDFLAGS on the same link command.
445 The fix for compiler flags (i.e., using maude_CFLAGS instead of
446 AM_CFLAGS) should not hurt any package since that is how _CFLAGS
447 is expected to work (and actually works during compilation).
449 However using maude_LDFLAGS "instead of" AM_LDFLAGS rather than
450 "in addition to" breaks backward compatibility with older versions.
451 If your package used both variables, as in
453 AM_LDFLAGS = common flags
455 a_LDFLAGS = more flags
458 and assumed *_LDFLAGS would sum up, you should rewrite it as
460 AM_LDFLAGS = common flags
462 a_LDFLAGS = $(AM_LDFLAGS) more flags
465 This new behavior of *_LDFLAGS is more coherent with other
466 per-target variables, and the way *_LDFLAGS variables were
467 considered internally.
469 * New installation targets:
471 - New targets mandated by GNU Coding Standards:
476 By default they will only install Texinfo manuals.
477 You can customize them with *-local variants:
483 - The undocumented recursive target `uninstall-info' no longer exists.
484 (`uninstall' is in charge of removing all possible documentation
485 flavors, including optional formats such as dvi, ps, or info even
486 when `no-installinfo' is used.)
488 * Miscellaneous changes:
490 - Automake no longer complains if input files for AC_CONFIG_FILES
491 are specified using shell variables.
493 - clean, distribution, or rebuild rules are normally disabled for
494 inputs and outputs of AC_CONFIG_FILES, AC_CONFIG_HEADERS, and
495 AC_CONFIG_LINK specified using shell variables. However, if these
496 variables are used as ${VAR}, and AC_SUBSTed, then Automake will
497 be able to output rules anyway.
498 (See the Automake documentation for AC_CONFIG_FILES.)
500 - $(EXEEXT) is automatically appended to filenames of TESTS
501 that have been declared as programs in the same Makefile.
502 This is mostly useful when some check_PROGRAMS are listed in TESTS.
504 - `-Wportability' has finally been turned on by default for `gnu' and
505 `gnits' strictness. This means, automake will complain about %-rules
506 or $(GNU Make functions) unless you switch to `foreign' strictness or
507 use `-Wno-portability'.
509 - Automake now uses AC_PROG_MKDIR_P (new in Autoconf 2.60), and uses
510 $(MKDIR_P) instead of $(mkdir_p) to create directories. The
511 $(mkdir_p) variable is still defined (to the same value as
512 $(MKDIR_P)) but should be considered obsolete. If you are using
513 $(mkdir_p) in some of your rules, please plan to update them to
514 $(MKDIR_P) at some point.
516 - AM_C_PROTOTYPES and ansi2knr are now documented as being obsolete.
517 They still work in this release, but may be withdrawn in a future one.
519 - Inline compilation rules for gcc3-style dependency tracking are
522 - Automake installs a "Hello World!" example package in $(docdir).
523 This example is used throughout the new "Autotools Introduction"
524 chapter of the manual.
528 * Makefile.in bloat reduction:
530 - Inference rules are used to compile sources in subdirectories when
531 the `subdir-objects' option is used and no per-target flags are
532 used. This should reduce the size of some projects a lot, because
533 Automake used to output an explicit rule for each such object in
536 - Automake no longer outputs three rules (.o, .obj, .lo) for each
537 object that must be built with explicit rules. It just outputs
538 the rules required to build the kind of object considered: either
539 the two .o and .obj rules for usual objects, or the .lo rule for
542 * Change to Libtool support:
544 - Libtool tags are used with libtool versions that support them.
545 (I.e., with Libtool 1.5 or greater.)
547 - Automake is now able to handle setups where a libtool library is
548 conditionally installed in different directories, as in
551 lib_LTLIBRARIES = liba.la
553 pkglib_LTLIBRARIES = liba.la
555 liba_la_SOURCES = ...
557 * Changes to aclocal:
559 - aclocal now ensures that AC_DEFUNs and AU_DEFUNs it discovers are
560 really evaluated, before it decides to include them in aclocal.m4.
561 This solves nasty problems with conditional redefinitions of
562 Autoconf macros in /usr/share/aclocal/*.m4 files causing extraneous
563 *.m4 files to be included in any project using these macros.
564 (Calls to AC_PROG_EGREP causing libtool.m4 to be included is the
565 most famous instance of this bug.)
567 - Do not complain about missing conditionally AC_REQUIREd macros
568 that are not actually used. In 1.8.x aclocal would correctly
569 determine which of these macros were really needed (and include
570 only these in the package); unfortunately it would also require
571 all of them to be present in order to run. This created
572 situations were aclocal would not work on a tarball distributing
573 all the macros it uses. For instance running aclocal on a project
574 containing only the subset of the Gettext macros in use by the
575 project did not work, because gettext conditionally requires other
578 * Portability improvements:
580 - Tar format can be chosen with the new options tar-v7, tar-ustar, and
581 tar-pax. The new option filename-length-max=99 helps diagnosing
582 filenames that are too long for tar-v7. (PR/414)
584 - Variables aumented with `+=' are now automatically flattened (i.e.,
585 trailing backslashes removed) and then wrapped around 80 colummns
586 (adding trailing backslashes). In previous versions, a long series
592 would result in a single-line definition of VAR that could possibly
593 exceed the maximum line length of some make implementations.
595 Non-augmented variables are still output as they are defined in
600 - Support Fortran 90/95 with the new "fc" and "ppfc" languages.
601 Works the same as the old Fortran 77 implementation; just replace
602 F77 with FC everywhere (exception: FFLAGS becomes FCFLAGS).
603 Requires a version of autoconf which provides AC_PROG_FC (>=2.59).
605 - Support for conditional _LISP.
607 - Support for conditional -hook and -local rules (PR/428).
609 - Diagnose AC_CONFIG_AUX_DIR calls following AM_INIT_AUTOMAKE. (PR/49)
611 - Automake will not write any Makefile.ins after the first error it
612 encounters. The previous Makefile.ins (if any) will be left in
613 place. (Warnings will not prevent output, but remember they can
614 be turned into errors with -Werror.)
616 - The restriction that SUBDIRS must contain direct children is gone.
619 - The manual tells more about SUBDIRS vs. DIST_SUBDIRS.
620 It also gives an example of nested packages using AC_CONFIG_SUBDIRS.
624 * Long standing bugs:
626 - Define DIST_SUBDIRS even when the `no-dist' or `cygnus' options are used
627 so that `make distclean' and `make maintainer-clean' can work.
629 - Define AR and ARFLAGS even when only EXTRA_LIBRARIES are defined.
631 - Fix many rules to please FreeBSD make, which runs commands with `sh -e'.
633 - Polish diagnostic when no input file is found.
637 * Long standing bugs:
639 - Fix AM_PATH_PYTHON to correctly display $PYTHON when it has been
640 overridden by the user.
642 - Honor PATH_SEPARATOR in various places of the Automake package, for
645 - Adjust dependency tracking mode detection to ICC 8.0's new output.
648 - Fix install-sh so it can install the `mv' binary... using `mv'.
650 - Fix tru64 dependency tracking for libtool objects.
652 - Work around Exuberant Ctags when creating a TAGS files in a directory
653 without files to scan but with subdirectories to include.
655 * Bugs introduced by 1.8:
657 - Fix an "internal error" when @LIBOBJS@ is used in a variable that is
658 not defined in the same conditions as the _LDADD that uses it.
660 - Do not warn when JAVAROOT is overridden, this is legitimate.
664 * Long standing bugs:
666 - Quote filenames in installation rules, in case $DESTDIR, $prefix,
667 or any of the other *dir variables contain a space.
669 Please note that Automake does not and cannot support spaces in
670 filenames that are involved during the build. This change affects
671 only installation paths, so that `make install' does not bomb out
672 in packages configured with
673 ./configure --prefix '/c/Program Files'
675 - Fix the depfiles output so it works with GNU sed (<4.1) even when
676 POSIXLY_CORRECT is set.
678 - Do not AC_SUBST(LIBOBJS) in AM_WITH_REGEX. This macro was unusable
679 since Autoconf 2.54, which defines LIBOBJS itself.
681 - Fix a potential (but unlikely) race condition in parallel elisp
682 builds. (Introduced in 1.7.3.)
684 - Do not assume that users override _DEPENDENCIES in all conditions
685 where Automake will try to define them.
687 - Do not use `mkdir -p' in mkinstalldirs, unless this is GNU mkdir.
688 Solaris 8's `mkdir -p' is not thread-safe and can break parallel
691 This fix also affects the $(mkdir_p) variable defined since
692 Automake 1.8. It will be set to `mkdir -p' only if mkdir is GNU
693 mkdir, and to `mkinstalldirs' or `install-sh -d' otherwise.
695 - Secure temporary directory creation in `make distcheck'. (PR/413)
697 - Do not generate two build rules for `parser.h' when the
698 parser appears in two different conditionals.
700 - Work around a Solaris 8 /bin/sh bug in the test for dependency
701 checking. Usually ./configure will not pick this shell; so this
702 fix only helps cases where the shell is forced to /bin/sh.
704 * Bugs introduced by 1.8:
706 - In some situations (hand-written `m4_include's), aclocal would
707 call the `File::Spec->rel2abs' method, which was only introduced
708 in Perl 5.6. This new version reestablish support Perl 5.005.
710 It is likely that the next major Automake releases will require at
711 least Perl 5.6. Consider upgrading your development environment
712 if you are still using the five-year-old Perl 5.005.
714 - Automake would sometimes fail to define rules for targets listed
715 in variables defined in multiple conditions. For instance on
721 it would define only the `a.$(OBJEXT): a.c' rule and omit the
722 `b.$(OBJEXT): b.c' rule.
724 * New sections in manual:
726 - Third-Party Makefiles: how to interface third party Makefiles.
727 - Upgrading: upgrading packages to newer Automake versions.
728 - Multiple Outputs: handling tools that produce many outputs.
732 * A (well known) portability bug slipped in the changes made to
733 install-sh in Automake 1.8.1. The broken install-sh would refuse to
734 install anything on Tru64.
736 * Fix install rules for conditionally built python files. (This never
741 * Bugs introduced by 1.8:
743 - Fix Config.pm import error with old Perl versions (at least
744 5.005_03). One symptom is that aclocal could not find its macro
747 - Automake 1.8 used `mkdir -m 0755 -p --' to ensure that directories
748 created by `make install' are always world readable, even if the
749 installer happens to have an overly restrictive umask (e.g. 077).
750 This was a mistake and has been reverted. There are at least two
751 reasons why we must not use `-m 0755':
752 - it causes special bits like SGID to be ignored,
753 - it may be too restrictive (some setups expect 775 directories).
755 - Fix aclocal to honor definitions located in files which have been
756 m4_included manually. aclocal 1.8 had been updated to check
757 m4_included files for new requirements, but forgot that these
758 m4_included files can also provide new definitions.
760 Note that if you have such a setup, we recommend you get rid of
761 it. In the past, there was a reason to m4_include files manually:
762 aclocal used to duplicate entire M4 files into aclocal.m4, even
763 files that were distributed. Some packages were therefore
764 m4_including the distributed file directly, and playing some
765 tricks to ensure aclocal would not copy that file to aclocal.m4,
766 in order to limit the amount of duplication. Since aclocal 1.8.x
767 will precisely output m4_includes for local M4 files, we recommend
768 that you clean up your setup, removing all manual m4_includes and
769 letting aclocal output them.
771 - Output detailed menus in the Info version if the Automake manual,
772 so that Emacs can locate the indexes.
774 - configure.ac and configure were listed twice in DIST_COMMON (an
775 internal variable where Automake lists configury files to
776 distribute). This was harmless, but unaesthetic.
778 - Use `chmod a-w' instead of `chmod -w' as the latter honors umask.
779 This was an issue only in the Automake package itself, not in
782 - Automake assumed that all AC_CONFIG_LINKS arguments had the form
783 DEST:SRC. This was wrong, as some packages do
784 AC_CONFIG_LINKS($computedlinks). This version no longer abort in
787 - Contrary to mkinstalldirs, $(mkdir_p) was expecting exactly one
788 argument. This caused two kinds of failures:
789 - Rules installing data in a conditionally defined directory
790 failed when that directory was undefined. In this case no
791 argument was supplied.
792 - `make installdirs' failed, because several directories were
793 passed to $(mkdir_p). This was an issue only on platform
794 were $(mkdir_p) is implemented with `install-sh -d'.
795 $(mkdir_p) as been changed to accept 0 or more arguments, as
798 * Long-standing bugs:
800 - Fix an unexpected diagnostic occurring when users attempt
801 to override some internal variables that Automake appends to.
803 - aclocal now scans configure.ac for macro definitions (PR/319).
805 - Fix a portability issue with OSF1/Tru64 Make. If a directory
806 distributes files which are outside itself (this usually occurs
807 when using AC_CONFIG_AUX_DIR([../dir]) to use auxiliary files
808 from a parent package), then `make distcheck' fails due to an
809 optimization performed by OSF1/Tru64 Make in its VPATH handling.
810 (tests/subpkg2.test failure)
812 - Fix another portability issue with Sun and OSF1/Tru64 Make.
813 In a VPATH-build configuration, `make install' would install
814 nobase_ files to wrong locations.
816 - Fix a Perl `uninitialized value' diagnostic occurring when
817 automake complains that a Texinfo file does not have a
818 @setfilename statement.
820 - Erase config.status.lineno during `make distclean'. This file
821 can be created by config.status. Automake already knew about
822 configure.lineno, but forgot config.status.lineno.
824 - Distribute all files, even those which are built and installed
825 conditionally. This change affects files listed in conditionally
826 defined *_HEADERS and *_PYTHON variable (unless they are nodist_*)
827 as well as those listed in conditionally defined dist_*_DATA,
828 dist_*_JAVA, dist_*_LISP, and dist_*_SCRIPTS variables.
830 - Fix AM_PATH_LISPDIR to avoid \? in sed regular expressions; it
831 doesn't conform to POSIX.
833 - Normalize help strings for configure variables and options added
838 - Check for python2.4 in AM_PATH_PYTHON.
840 * Spurious failures in test suite:
842 - tests/libtool5.test, tests/ltcond.test, tests/ltcond2.test,
843 tests/ltconv.test: fix failures with CVS Libtool.
844 - tests/aclocal6.test: fix failure if autom4te.cache is disabled.
845 - tests/txinfo24.test, tests/txinfo25.test, tests/txinfo28.test:
846 fix failures with old Texinfo versions.
852 - The NEWS file is more verbose.
856 - Autoconf 2.58 or greater is required.
860 - Default source file names in the absence of a _SOURCES declaration
861 are made by removing any target extension before appending `.c', so
862 to make the libtool module `foo.la' from `foo.c', you only need to
865 lib_LTLIBRARIES = foo.la
866 foo_la_LDFLAGS = -module
868 For backward compatibility, foo_la.c will be used instead of
869 foo.c if this file exists or is the explicit target of a rule.
870 However -Wobsolete will warn about this deprecated naming.
872 - AR's `cru' flags are now set in a global ARFLAGS variable instead
873 of being hard-coded in each $(AR) invocation, so they can be
874 substituted from configure.ac. This has been requested by people
875 dealing with non-POSIX ar implementations.
877 - New warning option: -Woverride. This will warn about any user
878 target or variable definitions which override Automake
881 - Texinfo rules back up and restore info files when makeinfo fails.
883 - Texinfo rules now support the `html' target.
884 Running this requires Texinfo 4.0 or greater.
886 `html' is a new recursive target, so if your package mixes
887 hand-crafted `Makefile.in's with Automake-generated
888 `Makefile.in's, you should adjust the former to support (or
889 ignore) this target so that `make html' recurses successfully. If
890 you had a custom `html' rule in your `Makefile.am', it's better to
891 rename it as `html-local', otherwise your rule will override
892 Automake's new rule (you can check that by running `automake
893 -Woverride') and that will stop the recursion to subdirectories.
895 Last but not least, this `html' rule is declared PHONY, even when
896 overridden. Fortunately, it appears that few packages use a
897 non-PHONY `html' rule.
899 - Any file which is m4_included from configure.ac will appear as a
900 configure and Makefile.in dependency, and will be automatically
903 - The rules for rebuilding Makefiles and Makefile.ins will now
904 rebuild all Makefiles and all Makefile.ins at once when one of
905 configure's dependencies has changed. This is considerably faster
906 than previous implementations, where config.status and automake
907 were run separately in each directory (this still happens when you
908 change a Makefile.am locally, without touching configure.ac or
909 friends). Doing this also solves a longstanding issue: these
910 rebuild rules failed to work when adding new directories to the
911 tree, forcing you to run automake manually.
913 - For similar reasons, the rules to rebuild configure,
914 config.status, and aclocal.m4 are now defined in all directories.
915 Note that if you were using the CONFIG_STATUS_DEPENDENCIES and
916 CONFIGURE_DEPENDENCIES (formerly undocumented) variables, you
917 should better define them in all directories. This is easily done
918 using an AC_SUBST (make sure you prefix these dependencies with
919 $(top_srcdir) since this variable will appear at different
920 levels of the build tree).
922 - aclocal will now use `m4_include' instead of copying local m4
923 files into aclocal.m4. (Local m4 files are those you ship with
924 your project, other files will be copied as usual.)
926 Because m4_included files are automatically distributed, it means
927 for most projects there is no point in EXTRA_DISTing the list of
928 m4 files which are used. (You can probably get rid of
929 m4/Makefile.am if you had one.)
931 - aclocal will avoid touching aclocal.m4 when possible, so that
932 Autom4te's cache isn't needlessly invalidated. This behavior can
933 be switched off with the new `--force' option.
935 - aclocal now uses Autoconf's --trace to detect macros which are
936 actually used and will no longer include unused macros simply
937 because they where mentioned. This was often the case for macros
938 called conditionally.
940 - New options no-dist and no-dist-gzip.
942 - compile, depcomp, elisp-comp, install-sh, mdate-sh, mkinstalldirs,
943 py-compile, and ylwrap, now all understand --version and --help.
945 - Automake will now recognize AC_CONFIG_LINKS so far as removing created
946 links as part of the distclean target and including source files in
949 - AM_PATH_PYTHON now supports ACTION-IF-FOUND and ACTION-IF-NOT-FOUND
950 argument. The latter can be used to override the default behavior
953 - Automake will exit with $? = 63 on version mismatch. (So does
954 Autoconf 2.58) missing knows this, and in this case it will
955 emulate the tools as if they were absent. Because older versions
956 of Automake and Autoconf did not use this exit code, this change
957 will only be useful in projects generated with future versions of
960 - When using AC_CONFIG_FILES with multiple input files, Automake
961 generates the first ".in" input file for which a ".am" exists.
962 (Former versions would try to use only the first input file.)
964 - lisp_DATA is now allowed. If you are using the empty ELCFILES
965 idiom to disable byte-compilation of lisp_LISP files, it is
966 recommended that you switch to using lisp_DATA. Note that
967 this is not strictly equivalent: lisp_DATA will install elisp
968 files even if emacs is not installed, while *_LISP do not
969 install anything unless emacs is found.
971 - Makefiles will prefer `mkdir -p' over mkinstalldirs if it is
972 available. This selection is achieved through the Makefile
973 variable $(mkdir_p) that is set by AM_INIT_AUTOMAKE to either
974 `mkdir -m 0755 -p --', `$(mkinstalldirs) -m 0755', or
975 `$(install_sh) -m 0755 -d'.
979 - Because `mkdir -p' is available on most platforms, and we can use
980 `install-sh -d' when it is not, the use of the mkinstalldirs
981 script is being phased out. `automake --add-missing' no longer
982 installs it, and if you remove mkinstalldirs from your package,
983 automake will define $(mkinstalldirs) as an alias for $(mkdir_p).
985 Gettext 0.12.1 still requires mkinstalldirs. Fortunately
986 gettextize and autopoint will install it when needed. Automake
987 will continue to define the $(mkinstalldirs) and to distribute
988 mkinstalldirs when this script is in the source tree.
990 - AM_PROG_CC_STDC is now empty. The content of this macro was
991 merged in AC_PROG_CC. If your code uses $am_cv_prog_cc_stdc, you
992 should adjust it to use $ac_cv_prog_cc_stdc instead. (This
993 renaming should be safe, even if you have to support several,
994 versions of Automake, because AC_PROG_CC defines this variable
995 since Autoconf 2.54.)
997 - Some users where using the undocumented ACLOCAL_M4_SOURCES
998 variable to override the aclocal.m4 dependencies computed
999 (inaccurately) by older versions of Automake. Because Automake
1000 now tracks configure's m4 dependencies accurately (see m4_include
1001 above), the use of ACLOCAL_M4_SOURCES should be considered
1002 obsolete and will be flagged as such when running `automake
1007 - Defining programs conditionally using Automake conditionals no
1008 longer leads to a combinatorial explosion. The following
1009 construct used to be troublesome when used with dozens of
1024 Likewise for _SOURCES, _LDADD, and _LIBADD variables.
1026 - Due to implementation constraints, previous versions of Automake
1027 proscribed multiple conditional definitions of some variables
1037 All _PROGRAMS, _LDADD, and _LIBADD variables were affected.
1038 This restriction has been lifted, and these variables now
1039 support multiple conditional definitions as do other variables.
1041 - Cleanup the definitions of $(distdir) and $(top_distdir).
1042 $(top_distdir) now points to the root of the distribution
1043 directory created during `make dist', as it did in Automake 1.4,
1044 not to the root of the build tree as it did in intervening
1045 versions. Furthermore these two variables are now only defined in
1046 the top level Makefile, and passed to sub-directories when running
1049 - The --no-force option now correctly checks the Makefile.in's
1050 dependencies before deciding not to update it.
1052 - Do not assume that make files are called Makefile in cleaning rules.
1054 - Update .info files in the source tree, not in the build tree. This
1055 is what the GNU Coding Standard recommend. Only Automake 1.7.x
1056 used to update these files in the build tree (previous versions did
1057 it in the source tree too), and it caused several problems, varying
1058 from mere annoyance to portability issues.
1060 - COPYING, COPYING.LIB, and COPYING.LESSER are no longer overwritten
1061 when --add-missing and --force-missing are used. For backward
1062 compatibility --add-missing will continue to install COPYING (in
1063 `gnu' strictness) when none of these three files exist, but this
1064 use is deprecated: you should better choose a license yourself and
1065 install it once for all in your source tree (and in your code
1068 - Fix ylwrap so that it does not overwrite header files that haven't
1069 changed, as the inline rule already does.
1071 - User-defined rules override automake-defined rules for the same
1072 targets, even when rules do not have commands. This is not new
1073 (and was documented), however some of the automake-generated
1074 rules have escaped this principle in former Automake versions.
1075 Rules for the following targets are affected by this fix:
1077 clean, clean-am, dist-all, distclean, distclean-am, dvi, dvi-am,
1078 info, info-am, install-data-am, install-exec-am, install-info,
1079 install-info-am, install-man, installcheck-am, maintainer-clean,
1080 maintainer-clean-am, mostlyclean, mostlyclean-am, pdf, pdf-am,
1081 ps, ps-am, uninstall-am, uninstall-info, uninstall-man
1083 Practically it means that an attempt to supplement the dependencies
1084 of some target, as in
1086 clean: my-clean-rule
1088 will now *silently override* the automake definition of the
1089 rule for this target. Running `automake -Woverride' will diagnose
1090 all such overriding definitions.
1092 It should be noted that almost all these targets support a *-local
1093 variant that is meant to supplement the automake-defined rule
1094 (See node `Extending' in the manual). The above rule should
1097 clean-local: my-clean-rule
1099 These *-local targets have been documented since at least
1100 Automake 1.2, so you should not fear the change if you have
1101 to support multiple automake versions.
1105 - The Automake manual is now distributed under the terms of the GNU FDL.
1107 - Targets dist-gzip, dist-bzip2, dist-tarZ, dist-zip are always defined.
1109 - core dumps are no longer removed by the cleaning rules. There are
1110 at least three reasons for this:
1111 1. These files should not be created by any build step,
1112 so their removal do not fit any of the cleaning rules.
1113 Actually, they may be precious to the developer.
1114 2. If such file is created during a build, then it's clearly a
1115 bug Automake should not hide. Not removing the file will
1116 cause `make distcheck' to complain about its presence.
1117 3. Operating systems have different naming conventions for
1118 core dump files. A core file on one system might be a
1119 completely legitimate data file on another system.
1121 - RUNTESTFLAGS, CTAGSFLAGS, ETAGSFLAGS, JAVACFLAGS are no longer
1122 defined by Automake. This means that any definition in the
1123 environment will be used, unless overridden in the Makefile.am or
1124 on the command line. The old behavior, where these variables were
1125 defined empty in each Makefile, can be obtained by AC_SUBSTing or
1126 AC_ARG_VARing each variable from configure.ac.
1128 - CONFIGURE_DEPENDENCIES and CONFIG_STATUS_DEPENDENCIES are now
1129 documented. (The is not a new feature, these variables have
1130 been there since at least Automake 1.4.)
1132 Bugs fixed in 1.7.9:
1133 * Fix install-strip to work with nobase_ binaries.
1134 * Fix renaming of #line directives in ylwrap.
1135 * Rebuild with Autoconf 2.59. (1.7.8 was not installable with pdksh.)
1137 Bugs fixed in 1.7.8:
1138 * Remove spurious blank lines in cleaning rules introduced in 1.7.7.
1139 * Fix detection of Debian's install-info, broken since version 1.5.
1140 (Debian bug #213524).
1141 * Honor -module if it appears in AM_LDFLAGS (i.e., relax name checking)
1142 This was only done for libfoo_LDFLAGS and LDFLAGS in previous versions.
1144 Bugs fixed in 1.7.7:
1145 * The implementation of automake's --no-force option is unreliable,
1146 so this option is ignored in this version. A real fix will appear in
1147 Automake 1.8. (Debian Bug #206299)
1148 * AM_PATH_PYTHON: really check the whole list of interpreters if no
1149 argument is given. (PR/399)
1150 * Do not warn about leading `_' in variable names, even with -Wportability.
1151 * Support user redefinitions of TEXINFO_TEX.
1152 * depcomp: support AIX Compiler version 6.
1153 * Fix missing rebuilds during `make dist' with BSD make.
1154 (Could produce tarballs containing out-of-date files.)
1155 * Resurrect multilib support.
1156 * Noteworthy manual updates:
1157 - Extending aclocal: how to write m4 macros that won't trigger warnings
1159 - A Shared Library: Rewrite and split into subsections.
1161 Bugs fixed in 1.7.6:
1162 * Fix depcomp's icc mode for ICC 7.1.
1163 * Diagnose calls to AC_CONFIG_FILES and friends with not enough arguments.
1164 * Fix maintainer-clean's removal of autom4te.cache in VPATH builds.
1165 * Fix AM_PATH_LISPDIR to work with POSIXLY_CORRECT=1.
1166 * Fix the location reported in some diagnostics related to AUTOMAKE_OPTIONS.
1167 * Remove Latin-1 characters from elisp-comp.
1168 * Update the manual's @dircategory to match the Free Software Directory.
1170 Bugs fixed in 1.7.5:
1171 * Update install-sh's license to remove an advertising clause.
1172 (Debian bug #191717)
1173 * Fix a bug introduced in 1.7.4, related to BUILT_SOURCE handling,
1174 that caused invalid Makefile.ins to be generated.
1175 * Make sure AM_MAKE_INCLUDE doesn't fail when a `doit' file exists.
1176 * New FAQ entry: renamed objects.
1178 Bugs fixed in 1.7.4:
1179 * Tweak the TAGS rule to support Exuberant Ctags (in addition to
1180 the Emacs implementation)
1181 * Fix output of aclocal.m4 dependencies in subdirectories.
1182 * Use `mv -f' instead of `mv' in fastdep rules.
1183 * Upgrade mdate-sh to work on OS/2.
1184 * Don't byte-compile elisp files when ELCFILES is set empty.
1185 (this documented feature was broken by 1.7.3)
1186 * Diagnose trailing backslashes on last line of Makefile.am.
1187 * Diagnose whitespace following trailing backslashes.
1188 * Multiple tests are now correctly supported in DEJATOOL. (PR/388)
1189 * Fix rebuilt rules for AC_CONFIG_FILES([Makefile:Makefile.in:Makefile.bot])
1191 * `make install' will build `BUILT_SOURCES' first.
1192 * Minor documentation fixes.
1194 Bugs fixed in 1.7.3:
1195 * Fix stamp files numbering (when using multiple AC_CONFIG_HEADERS).
1196 * Query distutils for `pythondir' and `pythonexecdir', instead of
1197 using an hardcoded path. This should allow builds on 64-bit
1198 distributions that usually use lib64/ instead of lib/.
1199 * AM_PATH_PYTHON will also search for python2.3.
1200 * elisp files are now built all at once instead of one by one. Besides
1201 incurring a speed-up, this is required to support interdependent elisp files.
1202 * Support for DJGPP:
1203 - `make distcheck' will now work in `_inst/' and `_build' instead
1204 of `=inst/' and `=build/'
1205 - use `_dirstamp' when the file-system doesn't support `.dirstamp'
1206 - install/uninstall `*.i[0-9][0-9]'-style info files
1207 - more changes that affect only the Automake package (not its output)
1208 * Fix some incompatibilities with upcoming perl-5.10.
1209 * Properly quote AC_PACKAGE_TARNAME and AC_PACKAGE_VERSION when defining
1210 PACKAGE and VERSION.
1212 - dashmstdout and dashXmstdout modes: don't use `-o /dev/null', this
1213 is troublesome with gcc and Solaris compilers. (PR/385)
1214 - makedepend mode: work with Libtool. (PR/385 too)
1216 * better support for unusual gettext setups, such as multiple po/ directories
1218 - Flag missing po/ and intl/ directories as warnings, not errors.
1219 - Disable these warnings if po/ does not exist.
1220 * Noteworthy manual updates:
1222 - Document how AC_CONFIG_AUX_DIR interacts with missing files.
1224 - Document `AM_YFLAGS = -d'. (PR/382)
1226 Bugs fixed in 1.7.2:
1227 * Fix installation and uninstallation of Info files built in subdirectories.
1228 * Do not run `./configure --with-included-gettext' during `make distcheck'
1229 if AM_GNU_GETTEXT([external]) is used.
1230 * Correctly uninstall renamed man pages.
1231 * Do not strip escaped newline in variables defined in one condition
1232 and augmented in another condition.
1233 * Fix ansi2knr rules for LIBOBJS sources.
1234 * Clean all known Texinfo index files, not only those which appear to
1235 be used, because we cannot know wich indexes are used in included files.
1236 (PR/375, Debian Bug #168671)
1237 * Honor only the first @setfilename seen in a Texinfo file.
1238 * Treat "required file X not found" diagnostics as errors (exit status 1).
1239 * Don't complain that a required file is not found when it is a Makefile
1241 * Don't use single suffix inference rules when building `.info'-less
1242 Info files, for the sake of Solaris make.
1243 * The `check' target now depends on `$(BUILT_SOURCES)'. (PR/359)
1244 * Recognize multiple inference rules such as `.a.b .c.d:'. (PR/371)
1245 * Warn about multiple inference rules when -Wportability is used. (PR/372)
1246 * Fix building of deansified files from subdirectories. (PR/370)
1247 * Add missing `fi' in the .c->.obj rules.
1248 * Improve install-sh to work even when names contain spaces or certain
1249 (but not all) shell metachars.
1250 * Fix the following spurious failures in the test suite:
1251 depcomp2.test, gnits2.test, gnits3.test, python3.test, texinfo13.test
1252 * Noteworthy manual updates:
1253 - Augment the section about BUILT_SOURCES.
1254 - Mention that AM_PROG_CC_STDC is a relic that is better avoided today.
1256 Bugs fixed in 1.7.1:
1257 * Honor `ansi2knr' for files built in subdirectories, or using per-targets
1259 * Aclocal should now recognize macro names containing parentheses, e.g.
1260 AC_DEFUN([AC_LANG_PREPROC(Fortran 90)], [...]).
1261 * Erase *.sum and *.log files created by DejaGnu, during `make distclean'.
1263 * Install Python files even if they were built. (PR/369)
1264 * Have stamp-vti dependent upon configure instead of configure.ac, as the
1265 version might not be defined in the latter. (PR/358)
1266 * Reorder arguments passed to a couple of commands, so things works
1267 when POSIXLY_CORRECT=1.
1268 * Fix a regex that can cause Perl to segfault on large input.
1270 * Fix distribution of packages that have some sources defined conditionally,
1271 as in the `Conditional compilation using Automake conditionals' example
1273 * Fix spurious test suite failures on IRIX.
1274 * Don't report a required variable as undefined if it has been
1275 defined conditionally for the "right" conditions.
1276 * Fix cleaning of the /tmp subdirectory used by `make distcheck', in case
1277 `make distcheck' fails.
1278 * Fix distribution of included Makefile fragment, so we don't create
1279 spurious directories in the distribution. (PR/366)
1280 * Don't complain that a target lacks `.$(EXEEXT)' when it has it.
1283 * Autoconf 2.54 is required.
1284 * `aclocal' and `automake' will no longer warn about obsolete
1285 configure macros. This is done by `autoconf -Wobsolete'.
1286 * AM_CONFIG_HEADER, AM_SYS_POSIX_TERMIOS and
1287 AM_HEADER_TIOCGWINSZ_NEEDS_SYS_IOCTL are obsolete (although still
1288 supported). You should use AC_CONFIG_HEADERS, AC_SYS_POSIX_TERMIOS,
1289 and AC_HEADER_TIOCGWINSZ instead. `autoupdate' can upgrade
1290 `configure.ac' for you.
1291 * Support for per-program and per-library `_CPPFLAGS'.
1292 * New `ctags' target (builds CTAGS files).
1293 * Support for -Wmumble and -Wno-mumble, where mumble is a warning category
1294 (see `automake --help' or the manual for a list of them).
1295 * Honor the WARNINGS environment variable.
1296 * Omit the call to depcomp when using gcc3: call the compiler directly.
1297 * A new option, std-options, tests that programs support --help and --version
1298 when `make installcheck' is run. This is enabled by --gnits.
1299 * Texinfo rules now support the `ps' and `pdf' targets.
1300 * Info files are now created in the build directory, not the source directory.
1301 * info_TEXINFOS supports files in subdirectories (this requires Texinfo 4.1
1303 * `make distcheck' will enforce DESTDIR support by attempting
1305 * `+=' can be used in conditionals, even if the augmented variable
1306 was defined for another condition.
1307 * Makefile fragments (inserted with `include') are always distributed.
1308 * Use Autoconf's --trace interface to inspect configure.ac and get
1309 a more accurate view of it.
1310 * Add support for extending aclocal's default macro search path
1311 using a `dirlist' file within the aclocal directory.
1312 * automake --output-dir is deprecated.
1313 * The part of the distcheck target that checks whether uninstall actually
1314 removes all installed files has been moved in a separate target,
1315 distuninstallcheck, so it can be overridden easily.
1319 * Support for AM_INIT_GETTEXT([external])
1320 * Bug fixes, including:
1321 - Fix Automake's own `make install' so it works even if `ln' doesn't.
1322 - nobase_ programs and scripts honor --program-transform correctly.
1323 - Erase configure.lineno during `make distclean'.
1324 - Erase YACC and LEX outputs during `make maintainer-clean'.
1327 * Many bug fixes, including:
1328 - Requiring the current version works.
1329 - Fix "$@" portability issues (for Zsh).
1330 - Fix output of dummy dependency files in presence of post-processed
1332 - Don't compute dependencies in background to avoid races with libtool.
1333 - Fix handling of _OBJECTS variables for targets sharing source variables.
1334 - Check dependency mode for Java when AM_PROG_GCJ is used.
1337 * automake --output-dir is deprecated
1338 * Many bug fixes, including:
1339 - Don't choke on AM_LDFLAGS definitions.
1340 - Clean libtool objects from subdirectories.
1341 - Allow configure variables with reserved suffix and unknown prefix
1342 (e.g. AC_SUBST(mumble_LDFLAGS) when 'mumble' is not a target).
1343 - Fix the definition of AUTOMAKE and ACLOCAL in configure.
1346 * Autoconf 2.52 is required.
1347 * automake no longer run libtoolize.
1348 This is the job of autoreconf (from GNU Autoconf).
1349 * `dist' generates all the archive flavors, as did `dist-all'.
1350 * `dist-gzip' generates the Gzip tar file only.
1351 * Combining Automake Makefile conditionals no longer lead to a combinatorial
1352 explosion. Makefile.in's keep a reasonable size.
1353 * AM_FUNC_ERROR_AT_LINE, AM_FUNC_STRTOD, AM_FUNC_OBSTACK, AM_PTRDIFF_T
1354 are no longer shipped, since Autoconf 2.52 provides them (both as AM_
1356 * `#line' of Lex and Yacc files are properly set.
1357 * EXTRA_DIST can contain generated directories.
1358 * Support for dot-less extensions in suffix rules.
1359 * The part of the distcheck target that checks whether distclean actually
1360 cleans all built files has been moved in a separate target, distcleancheck,
1361 so it can be overridden easily.
1362 * `make distcheck' will pass additional options defined in
1363 $(DISTCHECK_CONFIGURE_FLAGS) to configure.
1364 * Fixed CDPATH portability problems, in particular for MacOS X.
1365 * Fixed handling of nobase_ targets.
1366 * Fixed support of implicit rules leading to .lo objects.
1367 * Fixed late inclusion of --add-missing files (e.g. depcomp) in DIST_COMMON
1368 * Added uninstall-hook target
1369 * `AC_INIT AM_INIT_AUTOMAKE(tarname,version)' is an obsolete construct.
1370 You can now use `AC_INIT(pkgname,version) AM_INIT_AUTOMAKE' instead.
1371 (Note that "pkgname" is not "tarname", see the manual for details.)
1372 It is also possible to pass a list of global Automake options as
1373 first argument to this new form of AM_INIT_AUTOMAKE.
1374 * Compiler-based assembler is now called `CCAS'; people expected `AS'
1375 to be a real assembler.
1376 * AM_INIT_AUTOMAKE will set STRIP itself when it needs it. Adding
1377 AC_CHECK_TOOL([STRIP], [strip]) manually is no longer required.
1378 * aclocal and automake are also installed with the version number
1379 appended, and some of the install directory names have changed.
1380 This lets you have multiple versions installed simultaneously.
1381 * Support for parsers and lexers in subdirectories.
1384 * Support for `configure.ac'.
1385 * Support for `else COND', `endif COND' and negated conditions `!COND'.
1386 * `make dist-all' is much faster.
1387 * Allows '@' AC_SUBSTs in macro names.
1388 * Faster AM_INIT_AUTOMAKE (requires update of `missing' script)
1389 * User-side dependency tracking. Developers no longer need GNU make
1391 * Uses DIST_SUBDIRS in some situations when SUBDIRS is conditional
1392 * Most files are correctly handled if they appear in subdirs
1393 For instance, a _DATA file can appear in a subdir
1394 * GNU tar is no longer required for `make dist'
1395 * Added support for `dist_' and `nodist_' prefixes
1396 * Added support for `nobase_' prefix
1397 * Compiled Java support
1398 * Support for per-executable and per-library compilation flags
1402 * Added support for the Fortran 77 programming language.
1403 * Re-indexed the Automake Texinfo manual.
1404 * Added `AM_FOOFLAGS' variable for each compiler invocation;
1405 e.g. AM_CFLAGS can be used in Makefile.am to set C compiler flags
1406 * Support for latest autoconf, including support for objext
1407 * Can now put `.' in SUBDIRS to control build order
1408 * `include' command and `+=' support for macro assignment
1409 * Dependency tracking no long susceptible to deleted header file problem
1410 * Maintainer mode now a conditional. @MAINT@ is now an anachronism.
1415 * Better Cygwin32 support
1416 * Support for suffix rules with _SOURCES variables
1417 * New options `readme-alpha' and `check-news'; Gnits mode sets these
1418 * @LEXLIB@ no longer required when lex source seen
1419 Lex support in `missing', and new lex macro. Update your missing script.
1420 * Built-in support for assembly
1421 * aclocal gives error if `AM_' macro not found
1422 * Passed YFLAGS, not YACCFLAGS, to yacc
1423 * AM_PROG_CC_STDC does not have to come before AC_PROG_CPP
1424 * Dependencies computed as a side effect of compilation
1425 * Preliminary support for Java
1426 * DESTDIR support at "make install" time
1427 * Improved ansi2knr support; you must use the latest ansi2knr.c (included)
1431 * Better DejaGnu support
1432 * Added no-installinfo option
1433 * Added Emacs Lisp support
1434 * Added --no-force option
1435 * Included `aclocal' program
1436 * Automake will now generate rules to regenerate aclocal.m4, if appropriate
1437 * Now uses `AM_' macro names everywhere
1438 * ansi2knr option can have directory prefix (eg `../lib/ansi2knr')
1439 ansi2knr now works correctly on K&R sources
1440 * Better C++, yacc, lex support
1441 * Will compute _DEPENDENCIES variables automatically if not supplied
1442 * Will interpolate $(...) and ${...} when examining contents of a variable
1443 * .deps files now in build directory, not source directory; dependency
1444 handling generally rewritten
1445 * DATA, MANS and BUILT_SOURCES no longer included in distribution
1446 * can now put config.h into a subdir
1447 * Added dist-all target
1448 * Support for install-info program (see texinfo 3.9)
1449 * Support for "yacc -d"
1450 * configure substitutions are automatically discovered and included
1451 in generated Makefile.in
1452 * Special --cygnus mode
1453 * OMIT_DEPENDENCIES can now hold list of dependencies to be omitted
1454 when making distribution. Some dependencies are auto-ignored.
1455 * Changed how libraries are specified in _LIBRARIES variable
1456 * Full libtool support, from Gord Matzigkeit
1457 * No longer have to explicitly touch stamp-h when using AC_CONFIG_HEADER;
1458 AM_CONFIG_HEADER handles it automatically
1459 * Texinfo output files no longer need .info extension
1460 * Added `missing' support
1462 * Conditionals in Makefile.am, from Ian Taylor
1466 * distcheck target runs install and installcheck targets
1467 * Added preliminary support for DejaGnu.
1472 * More libtool fixes from Gord Matzigkeit; libtool support is still
1474 * Added support for jm_MAINTAINER_MODE
1476 * New "distcheck" target
1480 * mkinstalldirs and mdate-sh now appear in directory specified by
1482 * Removed DIST_SUBDIRS, DIST_OTHER
1483 * AC_ARG_PROGRAM only required when an actual program exists
1484 * dist-hook target now run before distribution packaged up; idea from
1485 Dieter Baron. Other hooks exist, too.
1486 * Preliminary (unfinished) support for libtool
1487 * Added short option names.
1488 * Better "dist" support when gluing together multiple packages
1492 * Documentation updates (many from François Pinard)
1493 * strictness `normal' now renamed to `foreign'
1494 * Renamed --install-missing to --add-missing
1495 * Now handles AC_CONFIG_AUX_DIR
1496 * Now handles TESTS macro
1497 * DIST_OTHER renamed to EXTRA_DIST
1498 * DIST_SUBDIRS is deprecated
1499 * @ALLOCA@ and @LIBOBJS@ now work in _LDADD variables
1500 * Better error messages in many cases
1501 * Program names are canonicalized
1502 * Added "check" prefix; from Gord Matzigkeit
1506 * configure.in scanner knows about AC_PATH_XTRA, AC_OUTPUT ":" syntax
1507 * Beginnings of a test suite
1508 * Automatically adds -I options for $(srcdir), ".", and path to config.h
1509 * Doesn't print anything when running
1510 * Beginnings of MAINT_CHARSET support
1511 * Can specify version in AUTOMAKE_OPTIONS
1512 * Most errors recognizable by Emacs' M-x next-error
1513 * Added --verbose option
1514 * All "primary" variables now obsolete; use EXTRA_PRIMARY to supply
1515 configure-generated names
1516 * Required macros now distributed in aclocal.m4
1518 * --strictness=gnu is default
1522 * More sophisticated configure.in scanning; now understands ALLOCA and
1523 LIBOBJS directly, handles AC_CONFIG_HEADER more precisely, etc.
1524 * TEXINFOS and MANS now obsolete; use info_TEXINFOS and man_MANS instead.
1525 * CONFIG_HEADER variable now obsolete
1526 * Can handle multiple Texinfo sources
1527 * Allow hierarchies deeper than 2. From Gord Matzigkeit.
1528 * HEADERS variable no longer needed; now can put .h files directly into
1529 foo_SOURCES variable.
1530 * Automake automatically rebuilds files listed in AC_OUTPUT. The
1531 corresponding ".in" files are included in the distribution.
1534 * Added --gnu and --gnits options
1535 * More standards checking
1537 * Cleaned up 'dist' targets
1538 * Added AUTOMAKE_OPTIONS variable and several options
1539 * Now scans configure.in to get some information (preliminary)
1542 * Works with Perl 4 again
1545 * Added --install-missing option.
1546 * Pretty-prints generated macros and rules
1547 * Comments in Makefile.am are placed more intelligently in Makefile.in
1548 * Generates .PHONY target
1549 * Rule or macro in Makefile.am now overrides contents of Automake file
1550 * Substantial cleanups from François Pinard
1554 * Works with Perl 4 again.
1557 * New uniform naming scheme.
1558 * --strictness option
1560 * '.c' files corresponding to '.y' or '.l' files are automatically
1562 * Many bug fixes and cleanups
1565 * Allow objects to be conditionally included in libraries via lib_LIBADD.
1568 * Bug fixes in 'clean' code.
1569 * Now generates 'installdirs' target.
1570 * man page installation reworked.
1571 * 'make dist' no longer re-creates all Makefile.in's.
1574 * Reimplemented in Perl
1575 * Added --amdir option (for debugging)
1576 * Texinfo support cleaned up.
1577 * Automatic de-ANSI-fication cleaned up.
1578 * Cleaned up 'clean' targets.
1581 * Automatic dependency tracking
1582 * More documentation
1583 * New variables DATA and PACKAGEDATA
1584 * SCRIPTS installed using $(INSTALL_SCRIPT)
1585 * No longer uses double-colon rules
1587 * Changes in advance of internationalization
1591 Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
1592 2004, 2005, 2006, 2007 Free Software Foundation, Inc.
1594 This program is free software; you can redistribute it and/or modify
1595 it under the terms of the GNU General Public License as published by
1596 the Free Software Foundation; either version 2, or (at your option)
1599 This program is distributed in the hope that it will be useful,
1600 but WITHOUT ANY WARRANTY; without even the implied warranty of
1601 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
1602 GNU General Public License for more details.
1604 You should have received a copy of the GNU General Public License
1605 along with this program. If not, see <http://www.gnu.org/licenses/>.