[platform-testers] new snapshot available: grep-2.14.46-f4d35

[Jim Meyering]

I expect to release grep-2.15 in the next few days,
so any feedback on build/test results for this snapshot would be most welcome:

grep snapshot:
  http://meyering.net/grep/grep-ss.tar.xz      1.3 MB
  http://meyering.net/grep/grep-ss.tar.xz.sig
  http://meyering.net/grep/grep-2.14.46-f4d35.tar.xz

Changes in grep since v2.14:

Corinna Vinschen (1):
      fix Cygwin UTF-16 surrogate-pair handling with -i

Eric Blake (2):
      build: work with new glibc when not optimizing
      build: default to --enable-gcc-warnings in a git tree

Jaroslav Škarvada (1):
      doc: fix a formatting bug in grep.1 template

Jim Meyering (25):
      maint: post-release administrivia
      build: update gnulib submodule to latest
      maint: placate gcc's -Wjump-misses-init warning
      maint: correct syntax-check failures; adjust NEWS
      maint: factor out STREQ definition
      build: update gnulib submodule to latest
      build: use AC_PROG_CC_STDC rather than AC_PROG_CC
      maint: update all copyright year number ranges
      build: update gnulib submodule to latest
      grep -F: avoid an infinite loop with invalid multi-byte search string
      maint: align backslashes consistently
      doc: NEWS: mention the DFA segfault fix
      tests: simplify and factor newest test
      build: update gnulib-related code
      dfa: appease a static analyzer, and save 95 stack bytes
      maint: dfa: improve comments and formatting
      dfa: remove dead disjunct
      maint: change all references: s/POSIX\.2/POSIX/
      dfa: fix \s and \S to work for multibyte
      tests: ensure neither \s nor \S matches an invalid multibyte character
      tests: add a test for better coverage of some tricky code
      maint: fix typo in NEWS
      maint: update bootstrap to latest from gnulib
      tests: extend the multibyte-white-space test
      build: update gnulib submodule to latest

Mike Haertel (1):
      dfa: fix multibyte character in brackets with repetition

Paolo Bonzini (3):
      tests: include UTF-8 testcases for grep -P
      pcre: add PCRE-JIT support for grep
      tests: add testcase for previous change

Paul Eggert (10):
      build: go back to AC_PROG_CC
      grep: diagnose read errors from -f dir, porting to Solaris
      grep: normalize diagnostics
      build: update gnulib submodule to latest
      grep: make dfa.h standalone
      build: make dfa.c closer to Gawk's
      doc: document EREs like a{,10}
      * cfg.mk (old_NEWS_hash): Update.
      Redo comments and white space to better approach GNU style.
      doc: mention how to use the latest gnulib

Petr Pisar (1):
      pcresearch: set UTF-8 flag correctly for UTF-8 locales

Stefano Lattarini (2):
      build: remove redundant use of $(INCLUDES)
      build: update gettext version to 0.18.2


Changes in gnulib since v2.14:

* gnulib a451aa0...53a617f (483):
  > error: add the printf attribute to a static function
  > error: make the module depend on vfprintf-posix
  > fpending, obstack, strerror-override: use pure+const function attrs
  > extern-inline: make safe for -Wundef usage
  > mkfifo-tests, etc.: allow HP-UX 11.11 bug
  > acl: allow cross-compilation to Gentoo
  > mgetgroups: remove dependency on realloc-gnu
  > regex-tests: port to HP-UX 11.11
  > verify: document some 'assume' pitfalls
  > strtoumax: fix another typo in previous commit
  > strtoumax: fix typo in previous commit.
  > strtoumax: port to Solaris 8
  > autoupdate
  > strtoimax, strtoumax: port to HP-UX 11.11
  > strtoimax: port to HP-UX 11.11
  > New module 'count-trailing-zeros'.
  > count-leading-zeros: port to MSC; support types wider than 64 bits
  > count-one-bits: port to MSC; support types wider than 64 bits
  > mountlist: fix resource leak with MOUNTED_INTERIX_STATVFS
  > tests: improve diagnostic when an assertion fails
  > verify: new macro 'assume'
  > autoupdate
  > dup2, dup3: work around another cygwin crasher
  > getdtablesize: work around cygwin issue
  > pmccabe2html: escaping of special characters
  > manywarnings: enable nicer gcc warning messages
  > timespec: use the new TIMESPEC_RESOLUTION in a few more places
  > warnings: port --enable-gcc-warnings to Solaris Studio 12.3
  > configmake: support new --runstatedir option
  > ctype, string: depend on extern-inline
  > userspec: support optional parameters to parse_user_spec()
  > timespec: new function make_timespec, and new constants
  > stdio: OS X port of putc_unlocked + extern inline
  > signal: OS X port of sigaddset etc. + extern inline
  > extern-inline: do not always suppress extern inline on OS X
  > extern-inline: document fixes for ctype and wctype macros
  > fflush, freadahead, fseeko: Fix for Android
  > pmccabe2html: fix portability issues
  > getgroups: statement without effect
  > autoupdate
  > update from texinfo
  > update from texinfo
  > glob: fix compilation
  > glob: fix build for platforms without __THROW
  > autoupdate
  > regex-quote: fix buffer access out of bounds
  > glob: avoid -Wattribute warnings on glibc
  > headers: check that _GL_INLINE_HEADER_BEGIN is defined
  > bootstrap: remove the --version requirement from ancillary tools
  > gc: support HMAC-SHA256 and HMAC-SHA512.
  > gettext: update to version 0.18.3.1
  > selinux-at: omit unnecessary include
  > autoupdate
  > d-ino: avoid false negative on symlink
  > update from texinfo
  > autoupdate
  > bootstrap: port to OpenBSD sed
  > warnings: minor optimization
  > warnings: check -Wfoo rather than -Wno-foo
  > accept doclicense option
  > accept doclicense option
  > xvasprintf-tests: port to GCC with hardening flags
  > fpending: port to recent Cygwin change to stdio_ext.h
  > no need for tendentious comment
  > regenerate
  > autoupdate
  > sys_time: port to OpenBSD
  > autoupdate
  > bootstrap: support checksum utils without a --status option
  > update from texinfo
  > Fix ChangeLog typo.
  > autoupdate
  > regex: port to non-glibc/lock-using systems
  > update from texinfo
  > autoupdate
  > localecharset: make locale_charset thread-safe on Mac OS X
  > gettext: update to version 0.18.3
  > autoupdate
  > bootstrap: use correct source when copying build-aux files
  > tmpdir: fix bug in VMS port
  > tmpdir: fix typo in previous change
  > * lib/tmpdir.c: Simplify code to add slash; no need for a loop.
  > tmpdir: port to VMS, to // != /, and to long dirs
  > regex: port to --with-included-regex --enable-gcc-warnings non-threaded
  > accept4, dup3, pipe2: port to Cygwin
  > mountlist: add support for deallocating returned list entries
  > stdalign, verify: port to FreeBSD 9.1, to C11, and to C++11
  > fnmatch: don't goto over declaration
  > pipe2: decouple from binary-io a bit
  > mgetgroups: relax license to LGPLv2+
  > xalloc-oversized: relax license to LGPLv2+
  > nproc: relax license to LGPLv2+
  > bootstrap: honor --no-git
  > update from texinfo
  > ignore-value: port to gcc -pedantic
  > extern-inline: port to gcc -std=c89
  > doc: document extern-inline
  > doc: chatter less
  > fflush, fseeko: port to musl cross-compiles
  > msvc-inval: port to mingw-w64
  > getcwd-lgpl: port to Tru64
  > autoupdate
  > tests: port large-fd POSIX spawn tests to OS X
  > autoupdate
  > tests/nap.h: use an adaptive delay to avoid ctime update issues
  > sig2str: port to C++
  > docs: mention cygwin shortcoming in <sys/un.h>
  > vasnprintf: silence mingw compiler warning
  > c-ctype, regex, verify: port to gcc -std=c90 -pedantic
  > regex: adapt to locking regime instead of depending on pthread
  > getgroups: document portability issues
  > test-lchown, test-chown: also skip test if lchown/chown fails with EPERM
  > regex: fix dfa race in multithreaded uses
  > malloca: port to compilers that reject size-zero arrays
  > parse-datetime, tests: don't use "string" + int
  > argmatch: port to C++
  > argp: typo fix
  > autoupdate
  > manywarnings: update for GCC 4.8.0
  > spawn-tests, sys_socket-tests, sys_wait-tests: port to clang
  > getaddrinfo-tests: port --enable-gcc-warnings to clang
  > thread: port --enable-gcc-warnings to clang
  > stdio: use __REDIRECT for fwrite, fwrite_unlocked
  > stdio: port --enable-gcc-warnings to clang
  > sig2str: port --enable-gcc-warnings to clang
  > obstack: port --enable-gcc-warnings to clang
  > memchr2: port --enable-gcc-warnings to clang
  > mbsstr: port --enable-gcc-warnings to clang
  > malloca: port --enable-gcc-warnings to clang
  > inttostr: port --enable-gcc-warnings to clang
  > warnings: port to clang
  > quotearg: do not read beyond end of buffer
  > lock: work around pthread recursive mutexes bug in Mac OS X 10.6
  > mkdir-p: remove assumptions about umask and mode
  > maint.mk: catch more abuse of HAVE_DECL in syntax-check
  > deps: require Automake >= 1.9.6 in generated Makefile fragments
  > autoupdate
  > bootstrap: AC_INIT may have more than four parameters
  > ChangeLog: whitespace cleanup
  > qacl: port to MS-Windows port of GNU Emacs
  > acl: include quote.h
  > fchownat, renameat, unlinkat: update statat dependencies
  > Assume gnulib is checked out from Git, not CVS
  > utimensat-tests, etc.: try to fix some races
  > utimens, utimensat: work around Solaris UTIME_OMIT bug
  > gettext: now it's your responsibility to add -I$(top_builddir)/intl
  > acl: include errno.h to get errno
  > tests: don't assume getdtablesize () <= 10000000
  > extern-inline: work around bug in Sun c99
  > autoupdate
  > qacl: new module, broken out from the acl module
  > alignof, intprops, malloca: port better to IBM's C compiler
  > wctype-h: fix gettext link error on mingw
  > autoupdate
  > regex-tests, regex: allow glibc re_search behavior
  > stdalign: doc fix
  > stdalign: port to stricter ISO C11
  > sys_select, sys_time: port 2013-01-30 Solaris 2.6 fix to Cygwin
  > check for (erroneous) ftp-upload.gnu.org
  > copy-file, rpmatch: fix problems found by cppcheck
  > prefix-gnulib-mk: give better diagnostics
  > putenv: port to Solaris 10
  > mktime: fix configure typo
  > regex-tests: skip UTF-8 test on mingw
  > tests: make it easier to bypass alarm time in debugger
  > regex: port to mingw's recent addition of undeclared alarm
  > putenv: avoid compilation warning on mingw
  > unistd: don't prevent Tru64 Unix from using gnulib strtod.
  > autoupdate
  > vasprintf-posix-tests: allow rounding 1.51 to 1.
  > vasprintf-posix-tests: allow rounding 1.5 to 1.
  > autoupdate
  > vasnprintf-posix-tests: allow rounding 1.5 to 1
  > bootstrap: port to FreeBSD
  > regex: rename remaining __attribute calls to __attribute__.
  > execute: Revert last change, but use a different condition.
  > execute: drop dead code
  > non-recursive-gnulib-prefix-hack: port coreutils 8.21 to HP NonStop
  > test-getsockopt: avoid compiler warning
  > sys_types: Avoid autoconf warning about gl_SYS_TYPES_H.
  > gettext: Update to version 0.18.2.
  > maint: restore gendocs.sh execute bit
  > regex: merge patches from libc
  > putenv: port better to native Windows
  > regex: ignore old-style-definition warnings
  > getcwd: support coreutils better
  > * lib/strtod.c (HAVE_RAW_DECL_STRTOD): Remove; no longer used.
  > strtod: support coreutils better
  > mountlist: port to HP NonStop
  > Fix typo in stdnoreturn documentation.
  > extern-inline: avoid compilation error with HP-UX cc
  > putenv: fix heap corruption with mixed putenv/_putenv
  > autoupdate
  > autoupdate
  > unsetenv etc.: port to Solaris 11 + GNU Emacs
  > secure_getenv: fix C++ declaration typo
  > careadlinkat: stop exporting careadlinkatcwd
  > extensions: port better to HP-UX
  > openpty: fix bug where HAVE_OPENPTY is mistakenly 1
  > maint: fix misspelling of MINIX in ChangeLog
  > secure_getenv: fix include typo
  > secure_getenv: port better to FreeBSD and Solaris
  > extensions: port better to MINUX 3, HP-UX, autoheader 2.62
  > unistd: avoid namespace pollution on non-glibc systems
  > autoupdate
  > tmpdir: use secure_getenv
  > tempname: use secure_getenv
  > secure_getenv: new module
  > autoupdate
  > getcwd: break fdopendir + save_cwd recursive loop (Bug#13516)
  > regex-tests, regex: fix bug: memset undeclared
  > regex-tests: fix link errors on older Solaris
  > update from texinfo
  > regex-tests: new module
  > regex: fix off-by-one error in configure test
  > regex: avoid infinite configure test
  > openpty: fix bug where HAVE_OPENPTY wasn't defined
  > sys_time: port to Solaris 2.6
  > regex: test for buffer overrun
  > regex: fix buffer overrun in regexp matcher
  > mountlist: don't consider "devtmpfs" as dummy
  > futimens-tests, utimens-tests: Depend on gettext.
  > test-getpeername: fix typo
  > bootstrap: remove the need for a sorted .gitignore
  > readlinkat: don't depend on gl_FUNC_OPENAT
  > statat: new module, split out from fstatat
  > autoupdate
  > Fix typo in previous change, by including <unistd.h>.
  > tests: don't assume fd 99 is closed
  > Fix ChangeLog typo.
  > stpncpy: port to OS X 10.8
  > In intro, say only latest mingw is tested.
  > unistd: port to recent mingw
  > Fix typo in comment.
  > largefile: port better to Mac OS X 10.5
  > doc: clarify -Werror
  > stdint: fix build with Android's Bionic fox x86
  > net_if-tests: port to Solaris 7 + GCC 3.4.6
  > net_if-tests: port to older Solaris
  > system-quote-tests: port to older Solaris
  > c-xvasprintf etc.: fix link errors on older Solaris
  > locale: port to Solaris 2.6 and 7 + GNU gettext
  > autoupdate
  > stdlib: port to Solaris 2.6
  > Fix misspellings of "occurred".
  > autoupdate
  > autoupdate
  > doc: update main copyright year
  > doc: improve ISO 8601 discussion
  > doc: avoid small caps
  > regex: conform to strict C
  > gnulib-tool: fix incompatibility with autopoint 0.18.2
  > autoupdate
  > fprintftime: bring back and reword fwrite comment
  > autoupdate
  > stdio: remove now-unnecessary stdio.c
  > unicodeio: depend on stdio, not ignore-value
  > fprintftime: depend on stdio, not ignore-value
  > stdint-tests: Fix expanded-before-required-warning. *
modules/stdint-tests (Depends-on): Use AC_REQUIRE.
  > fwrite: silence __wur only for older glibc versions
  > fwrite: silence __wur without using inline
  > update-copyright: avoid copyright notice date corruption
  > regex: omit needless signed-pointer casts
  > regex: support Gawk, which never uses alloca
  > autoupdate
  > update from texinfo
  > update from texinfo
  > autoupdate
  > missing @item
  > autoupdate
  > regex: port __libc_lock_define usage to C89
  > maint: update all copyright year number ranges
  > version-etc: bump copyright year reported in --version
  > sigprocmask-tests: skip test if pid is unexpectedly large
  > git-version-gen: avoid test -z portability glitch
  > git-version-gen: add --fallback option to use if git is not present
  > maint.mk: handle missing git with more grace
  > dup2: work around cygwin bug
  > regex: remove unnecessary dependency on localcharset.h
  > regex: revert single-byte change
  > regex: simplify based on Gawk version
  > autoupdate
  > regex: check that pattern char is single-byte
  > regex: implement rational ranges
  > regex: avoid redefining __wctype
  > regex: port to hosts where malloc (0) == NULL
  > regex: port to C89
  > regex: merge glibc changes
  > * users.txt: Add Emacs.
  > doc: omit mention of version when not needed
  > * doc/intprops.texi (Integer Properties): Fix Texinfo typo.
  > autoupdate
  > autoupdate
  > bootstrap: pass --force to autoreconf.
  > argp: fix port of port new 'inline' approach to Sun C 5.12 + Solaris 10
  > * doc/gnulib-readme.texi: Minor fixups.
  > * doc/gnulib-readme.texi (Portability guidelines): ctype.h, not ctime.h.
  > Hyphen and dash fixes.
  > Correct name of POSIX.1-2001.
  > doc: move README into manual
  > c-xvasprintf: Fix "implicit declaration of function" GCC warning.
  > c-vasprintf: Fix "empty declaration" warning reported by GCC.
  > gettext: avoid obsolete macro AM_PROG_MKDIR_P
  > autoupdate
  > argp: port new 'inline' approach to Sun C 5.12 + Solaris 10
  > Fix ChangeLog typo.
  > AC_PROG_MKDIR_P: port workaround to pre-2.62 Autoconf
  > AC_PROG_MKDIR_P: don't workaround if not buggy
  > New 'c-*printf' modules for formatted output in C locale.
  > argp: better 'inline'
  > filemode, sys_stat: Handle MPX files a la AIX.
  > x-to-1: honor $PERL
  > gnu-web-doc-update: add all the new files, even in new directories
  > gnu-web-doc-update: improve --help
  > mountlist: recognize more "dummy" file systems
  > extern-inline: avoid incompatibility with Darwin Libc
  > gnupload: Work with GnuPG using gpg-agent (for smartcards).
  > canonicalize, canonicalize-lgpl: Microsoft Windows prefix fixes
  > maint.mk: typofix in comments
  > maint.mk: avoid extra forks
  > vasnprintf: fix ASCII_ONLY typo
  > autoupdate
  > list, oset, xlist, xoset: fix extern inline issue with C99
  > autoupdate
  > sys_stat: no 'static inline'
  > extern-inline: no 'static inline'
  > snippet/warn-on-use: no 'static inline'
  > rbtree-list, rbtreehash-list: no 'static inline'
  > regex: no 'static inline'
  > xvasprintf: no 'static inline'
  > parse-datetime, parse-duration: no 'static inline'
  > getaddrinfo: no 'static inline'
  > ftruncate, fts, lstat, openat, raise: no 'static inline'
  > fflush, stat: no 'static inline'
  > error, filevercmp: no 'static inline'
  > dup, execute, fatal-signal, etc.: no 'static inline'
  > c-strtod, memcoll, readutmp: no 'static inline'
  > arctwo, md4, md5, sha1, sha256, sha512: no 'static inline'
  > cond, lock, thread: better 'inline'
  > chdir-long, cycle-check, savewd: better 'inline'
  > base32, base64: no need for 'inline'
  > array-oset, linkedhash-list, rbtree-oset: no need for 'inline'
  > list, oset, xlist, xoset, xsublist: simplify via extern inline
  > xalloc: better 'inline'
  > gethrxtime: better 'inline'
  > wctype-h: better 'inline'
  > unistd: better 'inline'
  > sys_socket: better 'inline'
  > stdio: better 'inline'
  > sigaction: better 'inline'
  > selinux-h: better 'inline'
  > pthread: better 'inline'
  > math: better 'inline'
  > count-one-bits: better 'inline'
  > count-leading-zeros: better 'inline'
  > bitrotate: better 'inline'
  > autoupdate
  > autoupdate
  > maint.mk: avoid gratuitous failure
  > canonicalize, canonicalize-lgpl: support MS-Windows file names
  > fts: introduce FTS_VERBATIM
  > autoupdate
  > autoupdate
  > getlogin_r-tests: allow errno == ENXIO or ENOENT
  > getlogin-tests: allow errno == ENOENT
  > tests/nap.h: avoid warning about unused variable
  > prefix-gnulib-mk: avoid overzealous "lib/"-prefix addition
  > update from texinfo
  > fcntl-h: default O_SEARCH, O_EXEC back to O_RDONLY
  > test-utimens: speed up by taking shorter naps
  > mountlist.c: fix a compilation failure
  > errno: port to LynxOS 178 2.2.2
  > fcntl-h: default O_SEARCH, O_EXEC to O_PATH if available
  > mountlist: do not classify a bind-mounted dir entry as "dummy"
  > quote: provide a means to escape strings with nul characters
  > test-raise: don't assume 199 is an invalid signal
  > sh-quote-tests: port to Solaris 9
  > maint.mk: rename a new configurable variable
  > autoupdate
  > maint.mk: let packages tweak sc_po_check pattern
  > autoupdate
  > euidaccess: speed up 'configure' on GNU hosts
  > * lib/regexec.c (re_search_internal): Fix grammar in comment.
  > fchmodat, fchownat, fstatat: port to non-inlining compilers
  > fchmodat.c, fchownat.c: fix compile-impeding typos
  > fcntl-h: support GNU flags like O_IGNORE_CTTY
  > faccessat, etc.: support AT_FDCWD-only use
  > faccessat: speed up 'configure' on mainstream hosts
  > faccessat: port to Solaris 10
  > canonicalize: fix C89 compilation
  > autoupdate
  > group-member: omit unnecessary dependencies
  > gethrxtime: port to C++
  > ptsname: fix macro-name typo
  > inttostr: Relax license.
  > ptsname_r: support ptys returned by FreeBSD posix_openpt
  > pselect: reject invalid file descriptors
  > select: reject invalid file descriptors
  > select: enhance test
  > ptsname: reject invalid file descriptors
  > hash-pjw-bare: new module
  > manywarnings: cater to more gcc infelicities
  > select, poll tests: Make setsockopt invocation effective.
  > sockets, sys_stat: restore AC_C_INLINE
  > localeconv tests: Avoid test failure on OpenIndiana.
  > havelib: Follow libtool developments.
  > ChangeLog: mention who reported the problem.
  > fstatat.c: fix a compile-impeding typo
  > extern-inline: provide a -Wundef safe config.h
  > hash-pjw: relax license to LGPLv2+
  > autoupdate
  > maint.mk: fix strict vs. lazy variable issues with RELEASE
  > maint.mk: formatting changes
  > maint.mk: provide "make upload" to ease uploading
  > maint.mk: factor the validation of RELEASE_TYPE
  > maint.mk: silent rules
  > localename: port gl_locale_name_thread_unsafe to FreeBSD
  > binary-io, eealloc, mbfile, mbiter, mbutil, xsize: better 'inline'
  > pipe-filter-gi, pipe-filter-ii: better use of 'inline'
  > fdutimensat: omit unnecessary AC_C_INLINE
  > fchmodat, fchownat, fstatat: use extern-inline
  > acl, mbchar, priv-set: use extern-inline
  > sockets, sys_stat: remove AC_C_INLINE in MSVC-only cases
  > tls-tests: omit unnecessary 'inline'
  > utimens-tests: avoid unnecessary 'inline'
  > misc: don't limit commentary to inline functions
  > non-recursive-gnulib-prefix-hack: new module
  > ChangeLog: fix indentation
  > maint.mk: generalize _gl_tight_scope for non-recursive make
  > maint.mk: exempt trailing blanks found in "binary" files
  > maint.mk: sc_prohibit_path_max_allocation: don't FP for UNIX_PATH_MAX
  > maint.mk: teach sc_prohibit_magic_number_exit to accept 77
  > maint.mk: relax sc_prohibit_strcmp, to avoid a false positive
  > localcharset: work around Mac OS X bug with UTF-8 and MB_CUR_MAX
  > doc: document sticky-EOF issue
  > poll: fix poll(0, NULL, msec)
  > poll: fix for systems that can't recv() on a non-socket
  > poll/select: document portability problems not fixed by Gnulib.
  > update from texinfo
  > Fix typo in previous patch: 1 -> 4.
  > fcntl-h: check for AIX 7.1 bug with O_NOFOLLOW and O_CREAT
  > net_if: give more details about the bug being fixed
  > net_if: new module
  > readutmp: fix non-portable UT_PID use
  > update from texinfo
  > fts: reduce two or more trailing slashes to just one, usually
  > fts: when there is no risk of overlap, use memcpy, not memmove
  > autoupdate
  > autoupdate
  > manywarnings: update the list of "all" warnings
  > * lib/stdbool.in.h (_Bool) [__cplusplus]: bool, not _Bool.
  > stdbool: be more compatible with mixed C/C++ compiles
  > revert last change: it was not needed
  > tests: test-vc-list-files-git.sh: skip if git is not available
  > gnulib-tool: Remove no-op option --no-changelog.
  > autoupdate
  > doc: remove fdl-1.2.texi
  > execinfo: port to FreeBSD
  > xstrtol.h: avoid "_Noreturn is not at beginning of declaration" warning
  > doc: do not use @acronym
  > stdnoreturn: port to newer GCCs
  > pipe-filter: fix comment typo
  > execinfo: new module
  > extern-inline: support old GCC 'inline'
  > maint.mk: avoid redundant file name in message
  > timer-time: fix link order when static linking on glibc
  > timespec: omit unnecessary AC_C_INLINE
  > stat-time: omit unnecessary AC_C_INLINE
  > ignore-value: omit unnecessary AC_C_INLINE
  > sys_select: avoid 'static inline'
  > mktime: avoid 'static inline'
  > autoupdate
  > gnulib-tool: Improve coding style.
  > gnulib-tool: Fix indentation.
  > gnulib-tool: Remove old file names from .cvsignore, .gitignore.
  > test-parse-datetime: avoid glibc leap-second glitch
  > autoupdate
  > gnulib-tool: Fix indentation of generated gnulib-comp.m4 file.
  > ldexp: relax license
  > update from texinfo
  > gnulib-tool: Fix persistence of --witness-c-macro option.
  > count-leading-zeros: use a lookup table on non-gcc compilers
  > count-leading-zeros: new module