X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=NEWS;h=59b86ea12889e0fdc6e9208a77ae3b601eaa7533;hb=2a7c9aeaab41f9bf66a92a68e1fe186b2af89038;hp=8a9d69d7a36e234ea05c2fea3741772ffc605da4;hpb=2ef0a2d367b4db6ca77ff5b8e5f504bdbdbd18de;p=platform%2Fupstream%2Fautomake.git diff --git a/NEWS b/NEWS index 8a9d69d..59b86ea 100644 --- a/NEWS +++ b/NEWS @@ -4,6 +4,9 @@ New in 1.13: - Autoconf 2.65 or greater is required. + - The rules to build PDF and DVI output from Texinfo input now + requires Texinfo 4.9 or later. + * Obsolete features removed: - Use of the long-deprecated two- and three-arguments invocation forms @@ -13,10 +16,13 @@ New in 1.13: option) has been removed. See discussion about automake bug#11034 for more background. - - The automake-provided $(mkdir_p) make variable, @mkdir_p@ configure - time substitution and AM_PROG_MKDIR m4 macro have been removed. They - had been obsolete since automake 1.10, and actively deprecated since - Automake 1.12.1. + - The automake-provided '@mkdir_p@' configure substitution and + AM_PROG_MKDIR m4 macro have been removed. They had been obsolete + since automake 1.10, and actively deprecated since Automake 1.12.1. + However, to maintain a degree of backward-compatibility, the make + variable '$(mkdir_p)' is still defined (now simple as an alias to + '$(MKDIR_P)'). It will probably be removed in future major versions + of Automake (probably 1.14). - The deprecated aclocal option '--acdir' has been removed. You should use the options '--automake-acdir' and '--system-acdir' @@ -38,6 +44,30 @@ New in 1.13: - All the "old alias" macros in 'm4/obsolete.m4' have been removed. +* Elisp byte-compilation: + + - The byte compilation of '.el' files into '.elc' files is now done + with a suffix rule. This has simplified the compilation process, and + more importantly made it less brittle. The downside is that emacs is + now invoked once for each '.el' files, which cause some noticeable + slowdowns. These should however be mitigated on multicore machines + (which are becoming the norm today) if concurrent make ("make -j") + is used. + + - Elisp files placed in a subdirectory are now byte-compiled to '.elc' + files in the same subdirectory; for example, byte-compiling of file + 'sub/foo.el' file will result in 'sub/foo.elc' rather than in + 'foo.elc'. This behaviour is backward-incompatible with older + Automake versions, but it is more natural and more sane. See also + automake bug#7441. + + - The Emacs invocation performing byte-compilation of '.el' files honors + the $(AM_ELCFLAGS) and $(ELCFLAGS) variables; as typical, the former + one is developer-reserved and the latter one user-reserved. + + - The 'elisp-comp' script, once provided by Automake, has been rendered + obsoleted by the just-described changes, and thus removed. + * Changes to Automake-generated testsuite harnesses: - The parallel testsuite harness (previously only enabled by the @@ -45,6 +75,13 @@ New in 1.13: testsuite harness will still be available through the use of the 'serial-tests' option (introduced in Automake 1.12). + - The 'color-tests' option is now unconditionally activated by default. + In particular, this means that testsuite output is now colorized by + default if the attached terminal seems to support ANSI escapes, and + that the user can force output colorization by setting the variable + AM_COLOR_TESTS to "always". The 'color-tests' is still recognized + for backward-compatibility, although it's a handled as a no-op now. + * Silent rules support: - Support for silent rules is now always active in Automake-generated @@ -56,9 +93,53 @@ New in 1.13: backward-compatibility only. In particular, its use does not disable the warnings in the 'portability-recursive' category anymore. +* Texinfo Support: + + - The rules to build PDF and DVI files from Texinfo input now use the + '--build-dir' option, to keep the auxiliary files used by texi2dvi + and texi2pdf around without cluttering the build directory, and to + make it possible to run the "dvi" and "pdf" recipes in parallel. + +* Automatic remake rules and 'missing' script: + + - The 'missing' script does not try anymore to update the timestamp + of out-of-date files that require a maintainer-specific tool to be + remade, in case the user lacks such a tool (or has a too-old version + of it). It just give a useful warning, and in some cases also a tip + about how to obtain such a tool. + + - The missing script has thus become useless as a (poor) way to work + around the sketched-timestamps issues that can happen for projects + that keep generated files committed in their VCS repository. Such + projects are now encouraged to write a custom "fix-timestamps.sh" + script to avoid such issues; a simple example is provided in the + "CVS and generated files" chapter of the automake manual. + +* Recursive targets: + + - The user can now define his own recursive targets that recurse + in the directories specified in $(SUBDIRS). This can be done by + specifying the name of such targets in invocations of the new + 'AM_EXTRA_RECURSIVE_TARGETS' m4 macro. + + - Any failure in the recipe of the "tags", "ctags", "cscope" or + "cscopelist" targets in a subdirectory is now propagated to the + top-level make invocation. + +* Improvements to aclocal and related rebuilds rules: + + - The Autoconf-provided macro AC_CONFIG_MACRO_DIR is now traced by + aclocal, and can be used to declare the local m4 include directory. + Formerly, one had to specify it with an explicit '-I' option to the + 'aclocal' invocation. + + - The special make variable ACLOCAL_AMFLAGS is deprecated; future + Automake versions will warn about its use, and later version will + remove support for it altogether. + ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ -New in 1.12.2: +New in 1.12.3: * WARNING: Future backward-incompatibilities! @@ -79,13 +160,49 @@ New in 1.12.2: option. - Support for the two- and three-arguments invocation forms of the - AM_INIT_AUTOMAKE macro will be deprecated in the next minor version - of Automake (1.12.1) and removed in the next major version (1.13). + AM_INIT_AUTOMAKE macro is deprecated, and will be removed in the + next major Automake version (1.13). - The exact order in which the directories in the aclocal macro search path are looked up is probably going to be changed in the next Automake release (1.13). + - The 'missing' script will not try anymore to update the timestamp + of out-of-date files that require a maintainer-specific tool to be + remade, in case the user lacks such a tool (or has a too-old version + of it). In fact, starting from Automake 1.13, all it'll do will be + giving more useful warnings than a bare "command not found" from a + make recipe would. + +* Miscellaneous changes: + + - The '.m4' files provided by Automake does not define serial numbers + anymore. This should cause no difference in the behaviour of aclocal + though. + + - Some testsuite weaknesses and spurious failures have been fixed. + + - There is initial support for automatic dependency tracking with the + Portland Group C/C++ compilers, thanks to the new new depmode 'pgcc'. + +Bugs fixed in 1.12.3: + +* Long-standing bugs: + + - Instead of renaming only self-references of files (typically for + #lines), ylwrap now also renames references to the other generated + files. This fixes support for GLR and C++ parsers from Bison (PR + automake/491 and automake bug#7648): 'parser.c' now properly + #includes 'parser.h' instead of 'y.tab.h'. + + - Generated files unknown to ylwrap are now preserved. This fixes + C++ support for Bison (automake bug#7648): location.hh and the + like are no longer discarded. + +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +New in 1.12.2: + * Warnings and deprecations: - Automake now issues a warning (in the 'portability' category) if @@ -109,6 +226,37 @@ New in 1.12.2: compiled object file that is in the same directory of a subdir object. See automake bug#10697. +* Silent rules support: + + - A new predefined $(AM_V_P) make variable is provided; it expands + to a shell conditional that can be used in recipes to know whether + make is being run in silent or verbose mode. + +Bugs fixed in 1.12.2: + +* SECURITY VULNERABILITIES! + + - The 'distcheck' recipe no longer grants temporary world-write + permissions on the extracted distdir. Even if such rights were + only granted for a vanishingly small time window, the implied + race condition proved to be enough to allow a local attacker + to run arbitrary code with the privileges of the user running + "make distcheck". This is CVE-2012-3386. + +* Long-standing bugs: + + - The "recheck" targets behaves better in the face of build failures + related to previously failed tests. For example, if a test is a + compiled program that must be rerun by "make recheck", and its + compilation fails, it will still be rerun by further "make recheck" + invocations. See automake bug#11791. + +* Bugs introduced by 1.12.1: + + - Automake provides once again the '$(mkdir_p)' make variable and the + '@mkdir_p@' substitution (both as simple aliases for '$(MKDIR_P)'), + for better backward-compatibility. + ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ New in 1.12.1: @@ -132,7 +280,7 @@ New in 1.12.1: - The long-obsolete (since 1.10) automake-provided $(mkdir_p) make variable, @mkdir_p@ configure-time substitution and AM_PROG_MKDIR m4 macro are deprecated, eliciting a warning in the 'obsolete' - category. They will be removed in the next major version (1.13). + category. * Miscellaneous changes: