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New file lib/ChangeLog, with entries moved from ChangeLog

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Paul Eggert 2011-02-09 19:32:03 -08:00
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140
ChangeLog
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@ -9,15 +9,6 @@
* .bzrignore: Ignore globals.h and related stamp.
2011-02-09 Paul Eggert <eggert@cs.ucla.edu>
* lib/Makefile.in, lib/gnulib.mk: Regenerate.
This merges the following fix from gnulib:
2011-02-08 Bruno Haible <bruno@clisp.org>
Split large sed scripts, for HP-UX sed.
2011-02-08 Tom Tromey <tromey@redhat.com>
* configure: Rebuild.
@ -25,23 +16,12 @@
2011-02-06 Paul Eggert <eggert@cs.ucla.edu>
gnulib: allow multiple gnulib generated replacements to coexist
This defines a few preprocessor symbols that should not affect Emacs.
* lib/getopt.in.h, lib/time.in.h, lib/unistd.in.h: Regenerate
via "make sync-from-gnulib".
gnulib: undo previous change
The upstream _HEADERS change was backed out of gnulib (see the
same thread). Stay in sync with gnulib.
gnulib: adjust to upstream _HEADERS change
* lib/Makefile.am (EXTRA_HEADERS, nodist_pkginclude_HEADERS):
New empty macros, to accommodate recent changes to gnulib. See
<http://lists.gnu.org/archive/html/bug-gnulib/2011-02/msg00068.html>.
* c++defs.h, lib/Makefile.in, lib/ftoastr.h, lib/getopt.in.h:
* lib/gnulib.mk, lib/ignore-value.h, lib/stdbool.in.h, lib/stddef.in.h:
* lib/time.in.h, lib/unistd.in.h:
Regenerate.
* c++defs.h: Regenerate.
2011-02-05 Paul Eggert <eggert@cs.ucla.edu>
@ -58,23 +38,13 @@
allow C code to suppress warnings about ignored return values
* Makefile.in (GNULIB_MODULES): Add ignore-value.
* configure, lib/Makefile.in, lib/gnulib.mk, m4/gl-comp.m4: Regenerate.
* lib/ignore-value.h: New file.
* configure, m4/gl-comp.m4: Regenerate.
2011-01-31 Chong Yidong <cyd@stupidchicken.com>
* configure.in: Test existence of xaw3d library, not just the
header (Bug#7642).
2011-01-31 Eli Zaretskii <eliz@gnu.org>
* lib/makefile.w32-in (GNULIBOBJS): Add $(BLD)/strftime.$(O) and
$(BLD)/time_r.$(O).
($(BLD)/dtoastr.$(O)): Depend on $(EMACS_ROOT)/src/s/ms-w32.h and
$(EMACS_ROOT)/src/m/intel386.h.
($(BLD)/strftime.$(O)):
($(BLD)/time_r.$(O)): Define prerequisites.
2011-01-31 Paul Eggert <eggert@cs.ucla.edu>
src/emacs.c now gets version number from configure.in
@ -89,10 +59,8 @@
* Makefile.in (GNULIB_MODULES): Add strftime.
* configure.in (AC_FUNC_STRFTIME, my_strftime): Remove; no longer
needed.
* aclocal.m4, configure, lib/Makefile.in, lib/gnulib.mk, m4/gl-comp.m4:
* aclocal.m4, configure, m4/gl-comp.m4:
Regenerate.
* lib/strftime.c, lib/strftime.h, lib/stdbool.in.h: New files,
imported from gnulib.
* m4/strftime.m4, m4/stdbool.m4, m4/tm_gmtoff.m4: Likewise.
This incorporates many changes from gnulib, including simpler
handling of multibyte formats, porting to mingw32 and other
@ -105,65 +73,14 @@
* configure: Regenerate from the following.
2011-01-30 Paul Eggert <eggert@cs.ucla.edu>
mktime: clarify long_int width checking
* lib/mktime.c (long_int_is_wide_enough): Move this assertion to
the top level, to make it clearer that the assumption about
long_int width is being checked. See
<http://lists.gnu.org/archive/html/bug-gnulib/2011-01/msg00554.html>.
2011-01-29 Paul Eggert <eggert@cs.ucla.edu>
TYPE_MAXIMUM: avoid theoretically undefined behavior
* lib/intprops.h (TYPE_MINIMUM, TYPE_MAXIMUM): Do not shift a
* m4/mktime.m4 (AC_FUNC_MKTIME): Do not shift a
negative number, which the C Standard says has undefined behavior.
In practice this is not a problem, but might as well do it by the book.
Reported by Rich Felker and Eric Blake; see
<http://lists.gnu.org/archive/html/bug-gnulib/2011-01/msg00493.html>.
* m4/mktime.m4 (AC_FUNC_MKTIME): Likewise.
* lib/mktime.c (TYPE_MAXIMUM): Redo slightly to match the others.
mktime: #undef mktime before #defining it
* lib/mktime.c (mktime) [DEBUG]: #undef mktime before #defining it.
mktime: systematically normalize tm_isdst comparisons
* lib/mktime.c (isdst_differ): New function.
(__mktime_internal): Use it systematically for all isdst comparisons.
This completes the fix for libc BZ #6723, and removes the need for
normalizing tm_isdst. See
<http://sourceware.org/bugzilla/show_bug.cgi?id=6723>
(not_equal_tm) [DEBUG]: Use isdst_differ here, too.
mktime: fix some integer overflow issues and sidestep the rest
This was prompted by a bug report by Benjamin Lindner for MinGW
<http://lists.gnu.org/archive/html/bug-gnulib/2011-01/msg00472.html>.
His bug is due to signed integer overflow (0 - INT_MIN), and I
I scanned through mktime.c looking for other integer overflow
problems, fixing all the bugs I found.
Although the C Standard says the resulting code is still not safe
in the presence of integer overflow, in practice it should be good
enough for all real-world two's-complement implementations, except
for debugging environments that deliberately trap on integer
overflow (e.g., gcc -ftrapv).
* lib/mktime.c (WRAPV): New macro.
(SHR): Also check that long_int and time_t shift right in the
usual way, before using the fast-but-unportable method.
(TYPE_ONES_COMPLEMENT, TYPE_SIGNED_MAGNITUDE): Remove, no longer
used. The code already assumed two's complement, so there's
no need to test for alternatives. All uses removed.
(TYPE_MAXIMUM): Don't rely here on overflow behavior not defined by
the C standard. Problem reported by Rich Felker in
<http://lists.gnu.org/archive/html/bug-gnulib/2011-01/msg00488.html>.
(twos_complement_arithmetic): Also check long_int and time_t.
(time_t_avg, time_t_add_ok, time_t_int_add_ok): New functions.
(guess_time_tm, ranged_convert, __mktime_internal): Use them.
(__mktime_internal): Avoid integer overflow with unary subtraction
in two instances where -1 - X is an adequate replacement for -X,
since the calculations are approximate.
2011-01-29 Eric Blake <eblake@redhat.com>
@ -172,21 +89,6 @@
type; behavior is still undefined but portable to all known targets.
Reported by Rich Felker.
2011-01-28 Paul Eggert <eggert@cs.ucla.edu>
mktime: avoid problems on NetBSD 5 / i386
* lib/mktime.c (long_int): New type. This works around a problem
on NetBSD 5 / i386, where 'long int' and 'int' are both 32 bits
but time_t is 64 bits, and where I expect the existing code is
wrong in some cases.
(leapyear, ydhms_diff, guess_time_tm, __mktime_internal): Use it.
(ydhms_diff): Bring back the compile-time check for wide-enough
year and yday.
mktime: fix misspelling in comment
* lib/mktime.c (__mktime_internal): Fix misspelling in comment.
This merges all recent glibc changes of importance.
2011-01-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
move-if-change: cope with concurrent mv of identical file.
@ -198,11 +100,6 @@
parallel builds.
Report from H.J. Lu against binutils in PR binutils/12283.
2011-01-29 Eli Zaretskii <eliz@gnu.org>
* lib/makefile.w32-in:
* lib/getopt_.h: New files.
2011-01-28 Paul Eggert <eggert@cs.ucla.edu>
improve fix for MS-DOS file name clash
@ -222,7 +119,7 @@
it, it would also cause problems when extracting Emacs distribution
tarballs on MS-DOS hosts.
(ACLOCAL_INPUTS): Adjust to file renaming.
* aclocal.m4, configure, lib/Makefile.in, src/config.in: Regenerate.
* aclocal.m4, configure, src/config.in: Regenerate.
* config.guess, config.sub: Sync from gnulib.
* m4/gnulib-cache.m4: Remove from repository.
* m4/gl-comp.m4: Rename from m4/gnulib-comp.m4.
@ -242,7 +139,7 @@
Remove HAVE_RAW_DECL_CHOWN etc. from config.h
* Makefile.in (sync-from-gnulib): Remove m4/warn-on-use.m4,
as it is no longer needed.
* aclocal.m4, configure, lib/Makefile.in, src/config.in: Regenerate.
* aclocal.m4, configure, src/config.in: Regenerate.
* configure.in: Invoke the new gnulib macro
gl_ASSERT_NO_GNULIB_POSIXCHECK, which removes the need for
warn-on-use.m4 and for the HAVE_RAW_DECL_* symbols in config.h.
@ -336,17 +233,13 @@
host-dependent and are built as part of an ordinary 'make', and
should not be checked in.
* lib/Makefile.in: Regenerate.
* lib/COPYING: New file, a copy of COPYING.
* configure: Regenerate.
* configure.in (AC_USE_SYSTEM_EXTENSIONS): Remove: gnulib does this.
Regenerate.
* lib/getopt.c, lib/getopt.in.h, lib/getopt1.c, lib/getopt_int.h:
* lib/gettext.h, lib/unistd.in.h, m4/unistd_h.m4:
New files, copied from gnulib by gnulib-tool.
* aclocal.m4, configure, lib/Makefile.in, m4/getopt.m4:
* m4/unistd_h.m4:
New file, copied from gnulib by gnulib-tool.
* aclocal.m4, configure, m4/getopt.m4:
* m4/gnulib-cache.m4, m4/gnulib-comp.m4, src/config.in:
Regenerate.
@ -359,15 +252,14 @@
getopt now, in lib.
Regenerate.
* arg-nonnull.h, c++defs.h, lib/mktime-internal.h, lib/mktime.c:
* lib/stddef.in.h, lib/time.h, lib/time.in.h, lib/time_r.c:
* arg-nonnull.h, c++defs.h:
* m4/extensions.m4, m4/include_next.m4, m4/mktime.m4:
* m4/multiarch.m4, m4/stddef_h.m4, m4/time_h.m4, m4/time_r.m4:
* m4/extensions.m4, m4/include_next.m4, m4/mktime.m4, m4/multiarch.m4:
* m4/stddef_h.m4, m4/time_h.m4, m4/time_r.m4, m4/warn-on-use.m4:
* m4/wchar_t.m4, warn-on-use.h:
New files, copied from gnulib by gnulib-tool.
* aclocal.m4, configure, lib/Makefile.in, lib/gnulib.mk:
* aclocal.m4, configure:
* m4/gnulib-cache.m4, m4/gnulib-comp.m4, src/config.in:
Regenerate.
@ -384,11 +276,9 @@
and warn-on-use.h into the distribution.
Regenerate.
* lib/dtoastr.c, lib/ftoastr.c, lib/ftoastr.h, lib/intprops.h:
* lib/ldtoastr.c, m4/c-strtod.m4:
* m4/c-strtod.m4:
New files, copied from gnulib by gnulib-tool.
* lib/dummy.c: Remove.
* aclocal.m4, configure, lib/Makefile.in, lib/gnulib.mk:
* aclocal.m4, configure:
* m4/gnulib-cache.m4, m4/gnulib-comp.m4, src/config.in:
Regenerate.
@ -396,8 +286,7 @@
* Makefile.in (GNULIB_MODULES): Add ftoastr. Remove dummy.
Regenerate.
* aclocal.m4, compile, depcomp, lib/Makefile.in, lib/dummy.c:
* lib/gnulib.mk, m4/00gnulib.m4, m4/gnulib-cache.m4:
* aclocal.m4, compile, depcomp, m4/00gnulib.m4, m4/gnulib-cache.m4:
* m4/gnulib-common.m4, m4/gnulib-comp.m4, m4/gnulib-tool.m4, missing:
New files, generated automatically, with 'make sync-from-gnulib'
followed by 'make'.
@ -426,7 +315,6 @@
AM_INIT_AUTOMAKE, AM_PROG_CC_C_O, gl_EARLY, and gl_INIT. Output
lib/Makefile, too. Use automake to build gnulib, as gnulib works
more conveniently with automake.
* lib/Makefile.am: New file.
* make-dist: Also put into the distribution aclocal.m4,
compile, depcomp, missing, and the files under lib/.

186
lib/ChangeLog Normal file
View file

@ -0,0 +1,186 @@
2011-02-09 Paul Eggert <eggert@cs.ucla.edu>
* Makefile.in, gnulib.mk: Regenerate.
This merges the following fix from gnulib:
2011-02-08 Bruno Haible <bruno@clisp.org>
Split large sed scripts, for HP-UX sed.
2011-02-06 Paul Eggert <eggert@cs.ucla.edu>
gnulib: allow multiple gnulib generated replacements to coexist
This defines a few preprocessor symbols that should not affect Emacs.
* getopt.in.h, time.in.h, unistd.in.h: Regenerate
via "make sync-from-gnulib".
gnulib: undo previous change
The upstream _HEADERS change was backed out of gnulib (see the
same thread). Stay in sync with gnulib.
gnulib: adjust to upstream _HEADERS change
* Makefile.am (EXTRA_HEADERS, nodist_pkginclude_HEADERS):
New empty macros, to accommodate recent changes to gnulib. See
<http://lists.gnu.org/archive/html/bug-gnu2011-02/msg00068.html>.
* Makefile.in, ftoastr.h, getopt.in.h:
* gnulib.mk, ignore-value.h, stdbool.in.h, stddef.in.h:
* time.in.h, unistd.in.h:
Regenerate.
2011-02-03 Paul Eggert <eggert@cs.ucla.edu>
allow C code to suppress warnings about ignored return values
* Makefile.in, gnulib.mk: Regenerate.
* ignore-value.h: New file.
2011-01-31 Eli Zaretskii <eliz@gnu.org>
* makefile.w32-in (GNULIBOBJS): Add $(BLD)/strftime.$(O) and
$(BLD)/time_r.$(O).
($(BLD)/dtoastr.$(O)): Depend on $(EMACS_ROOT)/src/s/ms-w32.h and
$(EMACS_ROOT)/src/m/intel386.h.
($(BLD)/strftime.$(O)):
($(BLD)/time_r.$(O)): Define prerequisites.
2011-01-30 Paul Eggert <eggert@cs.ucla.edu>
strftime: import from gnulib
* Makefile.in, gnulib.mk:
Regenerate.
* strftime.c, strftime.h, stdbool.in.h: New files,
imported from gnulib.
This incorporates many changes from gnulib, including simpler
handling of multibyte formats, porting to mingw32 and other
platforms, and support for higher-resolution time stamps.
Emacs does not yet use the higher-resolution interface.
2011-01-30 Paul Eggert <eggert@cs.ucla.edu>
gnulib: import mktime and move-if-change fixes from gnulib
* configure: Regenerate from the following.
2011-01-30 Paul Eggert <eggert@cs.ucla.edu>
mktime: clarify long_int width checking
* mktime.c (long_int_is_wide_enough): Move this assertion to
the top level, to make it clearer that the assumption about
long_int width is being checked. See
<http://lists.gnu.org/archive/html/bug-gnulib/2011-01/msg00554.html>.
2011-01-29 Paul Eggert <eggert@cs.ucla.edu>
TYPE_MAXIMUM: avoid theoretically undefined behavior
* intprops.h (TYPE_MINIMUM, TYPE_MAXIMUM): Do not shift a
negative number, which the C Standard says has undefined behavior.
In practice this is not a problem, but might as well do it by the book.
Reported by Rich Felker and Eric Blake; see
<http://lists.gnu.org/archive/html/bug-gnulib/2011-01/msg00493.html>.
* mktime.c (TYPE_MAXIMUM): Redo slightly to match the others.
mktime: #undef mktime before #defining it
* mktime.c (mktime) [DEBUG]: #undef mktime before #defining it.
mktime: systematically normalize tm_isdst comparisons
* mktime.c (isdst_differ): New function.
(__mktime_internal): Use it systematically for all isdst comparisons.
This completes the fix for libc BZ #6723, and removes the need for
normalizing tm_isdst. See
<http://sourceware.org/bugzilla/show_bug.cgi?id=6723>
(not_equal_tm) [DEBUG]: Use isdst_differ here, too.
mktime: fix some integer overflow issues and sidestep the rest
This was prompted by a bug report by Benjamin Lindner for MinGW
<http://lists.gnu.org/archive/html/bug-gnulib/2011-01/msg00472.html>.
His bug is due to signed integer overflow (0 - INT_MIN), and I
I scanned through mktime.c looking for other integer overflow
problems, fixing all the bugs I found.
Although the C Standard says the resulting code is still not safe
in the presence of integer overflow, in practice it should be good
enough for all real-world two's-complement implementations, except
for debugging environments that deliberately trap on integer
overflow (e.g., gcc -ftrapv).
* mktime.c (WRAPV): New macro.
(SHR): Also check that long_int and time_t shift right in the
usual way, before using the fast-but-unportable method.
(TYPE_ONES_COMPLEMENT, TYPE_SIGNED_MAGNITUDE): Remove, no longer
used. The code already assumed two's complement, so there's
no need to test for alternatives. All uses removed.
(TYPE_MAXIMUM): Don't rely here on overflow behavior not defined by
the C standard. Problem reported by Rich Felker in
<http://lists.gnu.org/archive/html/bug-gnulib/2011-01/msg00488.html>.
(twos_complement_arithmetic): Also check long_int and time_t.
(time_t_avg, time_t_add_ok, time_t_int_add_ok): New functions.
(guess_time_tm, ranged_convert, __mktime_internal): Use them.
(__mktime_internal): Avoid integer overflow with unary subtraction
in two instances where -1 - X is an adequate replacement for -X,
since the calculations are approximate.
2011-01-28 Paul Eggert <eggert@cs.ucla.edu>
mktime: avoid problems on NetBSD 5 / i386
* mktime.c (long_int): New type. This works around a problem
on NetBSD 5 / i386, where 'long int' and 'int' are both 32 bits
but time_t is 64 bits, and where I expect the existing code is
wrong in some cases.
(leapyear, ydhms_diff, guess_time_tm, __mktime_internal): Use it.
(ydhms_diff): Bring back the compile-time check for wide-enough
year and yday.
mktime: fix misspelling in comment
* mktime.c (__mktime_internal): Fix misspelling in comment.
This merges all recent glibc changes of importance.
2011-01-29 Eli Zaretskii <eliz@gnu.org>
* makefile.w32-in:
* getopt_.h: New files.
2011-01-27 Paul Eggert <eggert@cs.ucla.edu>
fix two m4/gnulib-*.m4 file names that clashed under MS-DOS
* Makefile.in: Regenerate.
2011-01-24 Paul Eggert <eggert@cs.ucla.edu>
Remove HAVE_RAW_DECL_CHOWN etc. from config.h
* Makefile.in: Regenerate.
2011-01-17 Paul Eggert <eggert@cs.ucla.edu>
Makefile.in: tidy up the building of lib
* Makefile.in: Regenerate.
* COPYING: New file, a copy of COPYING.
Regenerate.
* getopt.c, getopt.in.h, getopt1.c, getopt_int.h:
* gettext.h, unistd.in.h:
New files, copied from gnulib by gnulib-tool.
* Makefile.in:
Regenerate.
Regenerate.
* mktime-internal.h, mktime.c:
* stddef.in.h, time.h, time.in.h, time_r.c:
New files, copied from gnulib by gnulib-tool.
* Makefile.in, gnulib.mk:
Regenerate.
Regenerate.
* dtoastr.c, ftoastr.c, ftoastr.h, intprops.h:
* ldtoastr.c:
New files, copied from gnulib by gnulib-tool.
* dummy.c: Remove.
* Makefile.in, gnulib.mk:
Regenerate.
Regenerate.
* Makefile.in, dummy.c, gnulib.mk:
New files, generated automatically, with 'make sync-from-gnulib'
followed by 'make'.
Automate syncing from gnulib.
* Makefile.am: New file.