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595e113b15
Do this by using the Gnulib modules for this. This should generate faster code on non-GCC, non-MSC platforms, and make the code a bit more portable, at least in theory. * admin/merge-gnulib (GNULIB_MODULES): Add count-one-bits and count-trailing-zeros. * lib/count-one-bits.c, lib/count-one-bits.h: * lib/count-trailing-zeros.c, lib/count-trailing-zeros.h: * m4/count-one-bits.m4, m4/count-trailing-zeros.m4: New files, copied from gnulib. * lib/gnulib.mk, m4/gnulib-comp.m4: Regenerate. * nt/gnulib.mk: Merge changes from lib/gnulib.mk. * src/data.c: Include <count-one-bits.h>, <count-trailing-zeros.h>. (USE_MSC_POPCOUNT, POPCOUNT_STATIC_INLINE) (NEED_GENERIC_POPCOUNT, popcount_size_t_generic) (popcount_size_t_msc, popcount_size_t_gcc): Remove; now done by Gnulib. (popcount_size_t): Now a macro that defers to Gnulib. (count_trailing_zero_bits): Return int, for consistency with Gnulib and because Emacs prefers signed to unsigned int. Don't assume that size_t is either unsigned int or unsigned long or unsigned long long. (size_t_to_host_endian): Do not assume that size_t is either exactly 32 or exactly 64 bits wide. * src/lisp.h (BITS_PER_SIZE_T): Define consistently with BITS_PER_LONG etc., so that it's now an enum constant, not a macro. No need to assume that it's either 32 or 64. Fixes: debbugs:15550
97 lines
3 KiB
Bash
Executable file
97 lines
3 KiB
Bash
Executable file
#! /bin/sh
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# Merge gnulib sources into Emacs sources.
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# Typical usage:
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#
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# admin/merge-gnulib
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# Copyright 2012-2013 Free Software Foundation, Inc.
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# This file is part of GNU Emacs.
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# GNU Emacs is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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# GNU Emacs is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
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# written by Paul Eggert
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GNULIB_URL=git://git.savannah.gnu.org/gnulib.git
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GNULIB_MODULES='
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alloca-opt byteswap c-ctype c-strcase
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careadlinkat close-stream count-one-bits count-trailing-zeros
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crypto/md5 crypto/sha1 crypto/sha256 crypto/sha512
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dtoastr dtotimespec dup2 environ execinfo faccessat
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fcntl fcntl-h fdatasync fdopendir filemode fstatat fsync
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getloadavg getopt-gnu gettime gettimeofday
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intprops largefile lstat
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manywarnings memrchr mkostemp mktime
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pipe2 pselect pthread_sigmask putenv qacl readlink readlinkat
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sig2str socklen stat-time stdalign stdarg stdbool stdio
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strftime strtoimax strtoumax symlink sys_stat
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sys_time time timer-time timespec-add timespec-sub unsetenv utimens
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warnings
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'
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GNULIB_TOOL_FLAGS='
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--avoid=close --avoid=dup
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--avoid=fchdir --avoid=fstat
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--avoid=malloc-posix --avoid=msvc-inval --avoid=msvc-nothrow
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--avoid=open --avoid=openat-die --avoid=opendir
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--avoid=raise
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--avoid=save-cwd --avoid=select --avoid=sigprocmask --avoid=sys_types
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--avoid=threadlib
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--conditional-dependencies --import --no-changelog --no-vc-files
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--makefile-name=gnulib.mk
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'
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# The source directory, with a trailing '/'.
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# If empty, the source directory is the working directory.
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src=$2
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case $src in
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*/ | '') ;;
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*) src=$src/ ;;
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esac
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# Gnulib's source directory.
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gnulib_srcdir=${1-$src../gnulib}
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case $gnulib_srcdir in
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-*) src=- ;;
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esac
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case $src in
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-*)
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echo >&2 "$0: usage: $0 [GNULIB_SRCDIR [SRCDIR]]
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SRCDIR is the Emacs source directory (default: working directory).
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GNULIB_SRCDIR is the Gnulib source directory (default: SRCDIR/../gnulib)."
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exit 1 ;;
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esac
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test -x "$src"autogen.sh || {
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echo >&2 "$0: '${src:-.}' is not an Emacs source directory."
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exit 1
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}
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test -d "$gnulib_srcdir" ||
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git clone -- "$GNULIB_URL" "$gnulib_srcdir" ||
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exit
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test -x "$gnulib_srcdir"/gnulib-tool || {
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echo >&2 "$0: '$gnulib_srcdir' is not a Gnulib source directory."
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exit 1
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}
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"$gnulib_srcdir"/gnulib-tool --dir="$src" $GNULIB_TOOL_FLAGS $GNULIB_MODULES &&
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rm -- "$src"m4/fcntl-o.m4 "$src"m4/gnulib-cache.m4 "$src"m4/warn-on-use.m4 &&
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cp -- "$gnulib_srcdir"/build-aux/texinfo.tex "$src"doc/misc &&
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cp -- "$gnulib_srcdir"/build-aux/move-if-change "$src"build-aux &&
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autoreconf -i -I m4 -- ${src:+"$src"}
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