)]}'
{
  "commit": "633f513999f36b6b059588a296cef6e715c3b91b",
  "tree": "ad2aa0b207c545c3bead55b5c69a60e31994ca4f",
  "parents": [
    "038842797bbd161906362278f9e8eaf0bbfc0f07"
  ],
  "author": {
    "name": "Simon Marchi",
    "email": "simon.marchi@ericsson.com",
    "time": "Thu May 10 11:47:34 2018 -0400"
  },
  "committer": {
    "name": "Simon Marchi",
    "email": "simon.marchi@ericsson.com",
    "time": "Mon Jun 18 12:00:58 2018 -0400"
  },
  "message": "Bump to autoconf 2.69 and automake 1.15.1\n\n~~~\nNew in v2:\n\n- Remove version checks from AUTOMAKE_OPTIONS and AC_PREREQ from\n  configure.ac\u0027s (see rationale below).\n- Add AC_USE_SYSTEM_EXTENSIONS to intl/configure.ac (see problem #10).\n- Add missing AC_LANG_SOURCE usage in root configure.ac.\n- Update README-maintainer-mode\n- Re-generated all (hopefully) that needs to be generated.  I built\n  using --enable-maintainer-mode, and grepped around to find references\n  to prior versions of autoconf/automake.\n\nI forced pushed to users/simark/autotools-bump on sourceware.\n~~~\n\nWhen trying to run the update-gnulib.sh script in gdb, I get this:\n\nError: Wrong automake version (Unescaped left brace in regex is deprecated, passed through in regex; marked by \u003c-- HERE in m/\\${ \u003c-- HERE ([^      \u003d:+{}]+)}/ at /opt/automake/1.11.1/bin/automake line 4113.), we need 1.11.1.\nAborting.\n\nApparently, it\u0027s an issue with a regex in automake that triggers a\nwarning starting with Perl 5.22.  It has been fixed in automake 1.15.1.\nSo I think it\u0027s a good excuse to bump the versions of autoconf and\nautomake used in the gnulib import.  And to avoid requiring multiple\nbuilds of autoconf/automake, it was suggested that we bump the required\nversion of those tools for all binutils-gdb.\n\nFor autoconf, the 2.69 version is universally available, so it\u0027s an easy\nchoice.  For automake, different distros and distro versions have\ndifferent automake versions.  But 1.15.1 seems to be the most readily\navailable as a package.  In any case, it\u0027s easy to build it from source.\n\nI removed the version checks from AUTOMAKE_OPTIONS and AC_PREREQ,\nbecause I don\u0027t think they are useful in our case.  They only specify a\nlower bound for the acceptable version of automake/autoconf.  That\u0027s\nuseful if you let the user choose the version of the tool they want to\nuse, but want to set a minimum version (because you use a feature that\nwas introduced in that version).  In our case, we force people to use a\nspecific version anyway.  For the autoconf version, we have the check in\nconfig/override.m4 that enforces the version we want.  It will be one\nless thing to update next time we change autotools version.\n\nThis patch only includes the manually edited file.  The changes to\ngenerated files are included in the following patch.  I have included\nthe generated changes in the ChangeLog entries below, and would amend\nthem just before pushing.\n\nTo help with testing, I pushed the changes to the\nusers/simark/autotools-bump on sourceware\u0027s git.\n\nI hit a few categories of problems that required some changes.  They are\ndescribed below along with the chosen solutions.\n\nProblem 1:\n\n  configure.ac:17: warning: AM_INIT_AUTOMAKE: two- and three-arguments forms are deprecated.  For more info, see:\n  configure.ac:17: http://www.gnu.org/software/automake/manual/automake.html#Modernize-AM_005fINIT_005fAUTOMAKE-invocation\n\nSolution 1:\n\n  Adjust the code based on the example at that URL.\n\nProblem 2 (in zlib/):\n\n  Makefile.am: error: required file \u0027./INSTALL\u0027 not found\n  Makefile.am:   \u0027automake --add-missing\u0027 can install \u0027INSTALL\u0027\n  Makefile.am: error: required file \u0027./NEWS\u0027 not found\n  Makefile.am: error: required file \u0027./AUTHORS\u0027 not found\n  Makefile.am: error: required file \u0027./COPYING\u0027 not found\n  Makefile.am:   \u0027automake --add-missing\u0027 can install \u0027COPYING\u0027\n\nSolution 2:\n\n  Add the foreign option to AUTOMAKE_OPTIONS.\n\nProblem 3:\n\n  doc/Makefile.am:20: error: support for Cygnus-style trees has been removed\n\nSolution 3:\n\n  Remove the cygnus options.\n\nProblem 4:\n\n  Makefile.am:656: warning: \u0027INCLUDES\u0027 is the old name for \u0027AM_CPPFLAGS\u0027 (or \u0027*_CPPFLAGS\u0027)\n\nSolution 4:\n\n  Rename \"INCLUDES \u003d \" to \"AM_CPPFLAGS +\u003d \" (because AM_CPPFLAGS is\n  already defined earlier).\n\nProblem 5:\n\n  doc/Makefile.am:71: warning: suffix \u0027.texinfo\u0027 for Texinfo files is discouraged; use \u0027.texi\u0027 instead\n  doc/Makefile.am: warning: Oops!\n  doc/Makefile.am:     It appears this file (or files included by it) are triggering\n  doc/Makefile.am:     an undocumented, soon-to-be-removed automake hack.\n  doc/Makefile.am:     Future automake versions will no longer place in the builddir\n  doc/Makefile.am:     (rather than in the srcdir) the generated \u0027.info\u0027 files that\n  doc/Makefile.am:     appear to be cleaned, by e.g. being listed in CLEANFILES or\n  doc/Makefile.am:     DISTCLEANFILES.\n  doc/Makefile.am:     If you want your \u0027.info\u0027 files to be placed in the builddir\n  doc/Makefile.am:     rather than in the srcdir, you have to use the shiny new\n  doc/Makefile.am:     \u0027info-in-builddir\u0027 automake option.\n\nSolution 5:\n\n  Rename .texinfo files to .texi.\n\nProblem 6:\n\n  doc/Makefile.am: warning: Oops!\n  doc/Makefile.am:     It appears this file (or files included by it) are triggering\n  doc/Makefile.am:     an undocumented, soon-to-be-removed automake hack.\n  doc/Makefile.am:     Future automake versions will no longer place in the builddir\n  doc/Makefile.am:     (rather than in the srcdir) the generated \u0027.info\u0027 files that\n  doc/Makefile.am:     appear to be cleaned, by e.g. being listed in CLEANFILES or\n  doc/Makefile.am:     DISTCLEANFILES.\n  doc/Makefile.am:     If you want your \u0027.info\u0027 files to be placed in the builddir\n  doc/Makefile.am:     rather than in the srcdir, you have to use the shiny new\n  doc/Makefile.am:     \u0027info-in-builddir\u0027 automake option.\n\nSolution 6:\n\n  Remove the hack at the bottom of doc/Makefile.am and use\n  the info-in-builddir automake option.\n\nProblem 7:\n\n  doc/Makefile.am:35: error: required file \u0027../texinfo.tex\u0027 not found\n  doc/Makefile.am:35:   \u0027automake --add-missing\u0027 can install \u0027texinfo.tex\u0027\n\nSolution 7:\n\n  Use the no-texinfo.tex automake option.  We also have one in\n  texinfo/texinfo.tex, not sure if we should point to that, or move it\n  (or a newer version of it added with automake --add-missing) to\n  top-level.\n\nProblem 8:\n\n  Makefile.am:131: warning: source file \u0027config/tc-aarch64.c\u0027 is in a subdirectory,\n  Makefile.am:131: but option \u0027subdir-objects\u0027 is disabled\n  automake: warning: possible forward-incompatibility.\n  automake: At least a source file is in a subdirectory, but the \u0027subdir-objects\u0027\n  automake: automake option hasn\u0027t been enabled.  For now, the corresponding output\n  automake: object file(s) will be placed in the top-level directory.  However,\n  automake: this behaviour will change in future Automake versions: they will\n  automake: unconditionally cause object files to be placed in the same subdirectory\n  automake: of the corresponding sources.\n  automake: You are advised to start using \u0027subdir-objects\u0027 option throughout your\n  automake: project, to avoid future incompatibilities.\n\nSolution 8:\n\n  Use subdir-objects, that means adjusting references to some .o that will now\n  be in config/.\n\nProblem 9:\n\n  configure.ac:375: warning: AC_LANG_CONFTEST: no AC_LANG_SOURCE call detected in body\n  ../../lib/autoconf/lang.m4:193: AC_LANG_CONFTEST is expanded from...\n  ../../lib/autoconf/general.m4:2601: _AC_COMPILE_IFELSE is expanded from...\n  ../../lib/autoconf/general.m4:2617: AC_COMPILE_IFELSE is expanded from...\n  ../../lib/m4sugar/m4sh.m4:639: AS_IF is expanded from...\n  ../../lib/autoconf/general.m4:2042: AC_CACHE_VAL is expanded from...\n  ../../lib/autoconf/general.m4:2063: AC_CACHE_CHECK is expanded from...\n  configure.ac:375: the top level\n\nSolution 9:\n\n  Use AC_LANG_SOURCE, or use proper quoting.\n\nProblem 10 (in intl/):\n\n  configure.ac:7: warning: AC_COMPILE_IFELSE was called before AC_USE_SYSTEM_EXTENSIONS\n  /usr/share/aclocal/threadlib.m4:36: gl_THREADLIB_EARLY_BODY is expanded from...\n  /usr/share/aclocal/threadlib.m4:29: gl_THREADLIB_EARLY is expanded from...\n  /usr/share/aclocal/threadlib.m4:318: gl_THREADLIB is expanded from...\n  /usr/share/aclocal/lock.m4:9: gl_LOCK is expanded from...\n  /usr/share/aclocal/intl.m4:211: gt_INTL_SUBDIR_CORE is expanded from...\n  /usr/share/aclocal/intl.m4:25: AM_INTL_SUBDIR is expanded from...\n  /usr/share/aclocal/gettext.m4:57: AM_GNU_GETTEXT is expanded from...\n  configure.ac:7: the top level\n\nSolution 10:\n\n  Add AC_USE_SYSTEM_EXTENSIONS in configure.ac.\n\nChangeLog:\n\n\t* libtool.m4: Use AC_LANG_SOURCE.\n\t* configure.ac: Remove AC_PREREQ, use AC_LANG_SOURCE.\n\t* README-maintainer-mode: Update version requirements.\n\t* ar-lib: New file.\n\t* test-driver: New file.\n\t* configure: Re-generate.\n\nbfd/ChangeLog:\n\n\t* Makefile.am (AUTOMAKE_OPTIONS): Remove 1.11.\n\t(INCLUDES): Rename to ...\n\t(AM_CPPFLAGS): ... this.\n\t* configure.ac: Remove AC_PREREQ.\n\t* doc/Makefile.am (AUTOMAKE_OPTIONS): Remove 1.9, cygnus, add\n\tinfo-in-builddir no-texinfo.tex.\n\t(info_TEXINFOS): Rename bfd.texinfo to bfd.texi.\n\t* doc/bfd.texinfo: Rename to ...\n\t* doc/bfd.texi: ... this.\n\t* Makefile.in: Re-generate.\n\t* aclocal.m4: Re-generate.\n\t* config.in: Re-generate.\n\t* configure: Re-generate.\n\t* doc/Makefile.in: Re-generate.\n\nbinutils/ChangeLog:\n\n\t* configure.ac: Remove AC_PREREQ.\n\t* doc/Makefile.am (AUTOMAKE_OPTIONS): Remove cygnus, add\n\tinfo-in-builddir no-texinfo.tex.\n\t* Makefile.in: Re-generate.\n\t* aclocal.m4: Re-generate.\n\t* config.in: Re-generate.\n\t* configure: Re-generate.\n\t* doc/Makefile.in: Re-generate.\n\nconfig/ChangeLog:\n\n\t* override.m4 (_GCC_AUTOCONF_VERSION): Bump from 2.64 to 2.69.\n\netc/ChangeLog:\n\n\t* configure.in: Remove AC_PREREQ.\n\t* configure: Re-generate.\n\ngas/ChangeLog:\n\n\t* Makefile.am (AUTOMAKE_OPTIONS): Remove 1.11, add subdir-objects.\n\t(TARG_CPU_O, OBJ_FORMAT_O, ATOF_TARG_O): Add config/ prefix.\n\t* configure.ac (TARG_CPU_O, OBJ_FORMAT_O, ATOF_TARG_O, emfiles,\n\textra_objects): Add config/ prefix.\n\t* doc/as.texinfo: Rename to...\n\t* doc/as.texi: ... this.\n\t* doc/Makefile.am: Rename as.texinfo to as.texi throughout.\n\tRemove DISTCLEANFILES hack.\n\t(AUTOMAKE_OPTIONS): Remove 1.8, cygnus, add no-texinfo.tex and\n\tinfo-in-builddir.\n\t* Makefile.in: Re-generate.\n\t* aclocal.m4: Re-generate.\n\t* config.in: Re-generate.\n\t* configure: Re-generate.\n\t* doc/Makefile.in: Re-generate.\n\ngdb/ChangeLog:\n\n\t* common/common-defs.h (PACKAGE_NAME, PACKAGE_VERSION,\n\tPACKAGE_STRING, PACKAGE_TARNAME): Undefine.\n\t* configure.ac: Remove AC_PREREQ, add missing quoting.\n\t* gnulib/configure.ac: Modernize usage of\n\tAC_INIT/AM_INIT_AUTOMAKE.  Remove AC_PREREQ.\n\t* gnulib/update-gnulib.sh (AUTOCONF_VERSION): Bump to 2.69.\n\t(AUTOMAKE_VERSION): Bump to 1.15.1.\n\t* configure: Re-generate.\n\t* config.in: Re-generate.\n\t* aclocal.m4: Re-generate.\n\t* gnulib/aclocal.m4: Re-generate.\n\t* gnulib/config.in: Re-generate.\n\t* gnulib/configure: Re-generate.\n\t* gnulib/import/Makefile.in: Re-generate.\n\ngdb/gdbserver/ChangeLog:\n\n\t* configure.ac: Remove AC_PREREQ, add missing quoting.\n\t* configure: Re-generate.\n\t* config.in: Re-generate.\n\t* aclocal.m4: Re-generate.\n\ngdb/testsuite/ChangeLog:\n\n\t* configure.ac: Remove AC_PREREQ.\n\t* configure: Re-generate.\n\ngold/ChangeLog:\n\n\t* configure.ac: Remove AC_PREREQ, add missing quoting and usage\n\tof AC_LANG_SOURCE.\n\t* Makefile.in: Re-generate.\n\t* aclocal.m4: Re-generate.\n\t* configure: Re-generate.\n\t* testsuite/Makefile.in: Re-generate.\n\ngprof/ChangeLog:\n\n\t* configure.ac: Remove AC_PREREQ.\n\t* Makefile.am: Remove DISTCLEANFILES hack.\n\t(AUTOMAKE_OPTIONS): Remove 1.11, add info-in-builddir.\n\t* Makefile.in: Re-generate.\n\t* aclocal.m4: Re-generate.\n\t* configure: Re-generate.\n\t* gconfig.in: Re-generate.\n\nintl/ChangeLog:\n\n\t* configure.ac: Add AC_USE_SYSTEM_EXTENSIONS, remove AC_PREREQ.\n\t* configure: Re-generate.\n\t* config.h.in: Re-generate.\n\t* aclocal.m4: Re-generate.\n\nld/ChangeLog:\n\n\t* configure.ac: Remove AC_PREREQ.\n\t* Makefile.am: Remove DISTCLEANFILES hack, rename ld.texinfo to\n\tld.texi, ldint.texinfo to ldint.texi throughout.\n\t(AUTOMAKE_OPTIONS): Add info-in-builddir.\n\t* README: Rename ld.texinfo to ld.texi, ldint.texinfo to\n\tldint.texi throughout.\n\t* gen-doc.texi: Likewise.\n\t* h8-doc.texi: Likewise.\n\t* ld.texinfo: Rename to ...\n\t* ld.texi: ... this.\n\t* ldint.texinfo: Rename to ...\n\t* ldint.texi: ... this.\n\t* Makefile.in: Re-generate.\n\t* aclocal.m4: Re-generate.\n\t* config.in: Re-generate.\n\t* configure: Re-generate.\n\nlibdecnumber/ChangeLog:\n\n\t* configure.ac: Remove AC_PREREQ.\n\t* configure: Re-generate.\n\t* aclocal.m4.\n\nlibiberty/ChangeLog:\n\n\t* configure.ac: Remove AC_PREREQ.\n\t* configure: Re-generate.\n\t* config.in: Re-generate.\n\nopcodes/ChangeLog:\n\n\t* Makefile.am (AUTOMAKE_OPTIONS): Remove 1.11.\n\t* configure.ac: Remove AC_PREREQ.\n\t* Makefile.in: Re-generate.\n\t* aclocal.m4: Re-generate.\n\t* configure: Re-generate.\n\nreadline/ChangeLog.gdb:\n\n\t* configure: Re-generate.\n\t* examples/rlfe/configure: Re-generate.\n\nsim/ChangeLog:\n\n\t* All configure.ac: Remove AC_PREREQ.\n\t* All configure: Re-generate.\n\nzlib/ChangeLog.bin-gdb:\n\n\t* configure.ac: Modernize AC_INIT call, remove AC_PREREQ.\n\t* Makefile.am (AUTOMAKE_OPTIONS): Remove 1.8, cygnus, add\n\tforeign.\n\t* Makefile.in: Re-generate.\n\t* aclocal.m4: Re-generate.\n\t* configure: Re-generate.\n",
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