admin/merge-gnulib

   1 #! /bin/sh
   2 # Merge gnulib sources into Emacs sources.
   3 # Typical usage:
   4 #
   5 #       admin/merge-gnulib
   6
   7 # Copyright 2012-2024 Free Software Foundation, Inc.
   8
   9 # This file is part of GNU Emacs.
  10
  11 # GNU Emacs is free software: you can redistribute it and/or modify
  12 # it under the terms of the GNU General Public License as published by
  13 # the Free Software Foundation, either version 3 of the License, or
  14 # (at your option) any later version.
  15
  16 # GNU Emacs is distributed in the hope that it will be useful,
  17 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  18 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19 # GNU General Public License for more details.
  20
  21 # You should have received a copy of the GNU General Public License
  22 # along with GNU Emacs.  If not, see <https://www.gnu.org/licenses/>.
  23
  24 # written by Paul Eggert
  25
  26 GNULIB_URL=https://git.savannah.gnu.org/git/gnulib.git
  27
  28 GNULIB_MODULES='
  29   alignasof alloca-opt binary-io boot-time byteswap c-ctype c-strcase
  30   canonicalize-lgpl
  31   careadlinkat close-stream copy-file-range
  32   count-leading-zeros count-one-bits count-trailing-zeros
  33   crypto/md5 crypto/md5-buffer
  34   crypto/sha1-buffer crypto/sha256-buffer crypto/sha512-buffer
  35   d-type diffseq double-slash-root dtoastr dtotimespec dup2
  36   environ execinfo faccessat
  37   fchmodat fcntl fcntl-h fdopendir file-has-acl
  38   filemode filename filevercmp flexmember fpieee
  39   free-posix fstatat fsusage fsync futimens
  40   getline getloadavg getopt-gnu getrandom gettime gettimeofday gitlog-to-changelog
  41   ieee754-h ignore-value intprops largefile libgmp lstat
  42   manywarnings memmem-simple mempcpy memrchr memset_explicit
  43   minmax mkostemp mktime
  44   nanosleep nproc nstrftime
  45   pathmax pipe2 pselect pthread_sigmask
  46   qcopy-acl readlink readlinkat regex
  47   sig2str sigdescr_np socklen stat-time std-gnu11 stdbool stdckdint stddef stdio
  48   stpcpy strnlen strnlen strtoimax symlink sys_stat sys_time
  49   tempname time-h time_r time_rz timegm timer-time timespec-add timespec-sub
  50   update-copyright unlocked-io utimensat
  51   vla warnings year2038
  52 '
  53
  54 AVOIDED_MODULES='
  55   access btowc chmod close crypto/af_alg dup fchdir fstat
  56   iswblank iswctype iswdigit iswxdigit langinfo localename-unsafe-limited lock
  57   mbrtowc mbsinit memchr mkdir msvc-inval msvc-nothrow nl_langinfo
  58   openat-die opendir pthread-h raise
  59   save-cwd select setenv sigprocmask stat stdarg
  60   threadlib tzset unsetenv utime utime-h
  61   wchar wcrtomb wctype wctype-h
  62 '
  63
  64 GNULIB_TOOL_FLAGS='
  65   --conditional-dependencies --import --no-changelog --no-vc-files
  66   --gnu-make
  67   --makefile-name=gnulib.mk.in
  68 '
  69
  70 # The source directory, with a trailing '/'.
  71 # If empty, the source directory is the working directory.
  72 src=$2
  73 case $src in
  74   */ | '') ;;
  75   *) src=$src/ ;;
  76 esac
  77
  78 # Gnulib's source directory.
  79 gnulib_srcdir=${1-$src../gnulib}
  80
  81 case $gnulib_srcdir in
  82   -*) src=- ;;
  83 esac
  84 case $src in
  85   -*)
  86     printf '%s\n' >&2 "$0: usage: $0 [GNULIB_SRCDIR [SRCDIR]]
  87
  88     SRCDIR is the Emacs source directory (default: working directory).
  89     GNULIB_SRCDIR is the Gnulib source directory (default: SRCDIR/../gnulib)."
  90     exit 1 ;;
  91 esac
  92
  93 test -x "$src"autogen.sh || {
  94   printf '%s\n' >&2 "$0: '${src:-.}' is not an Emacs source directory."
  95   exit 1
  96 }
  97
  98 test -d "$gnulib_srcdir" ||
  99 git clone -- "$GNULIB_URL" "$gnulib_srcdir" ||
 100 exit
 101
 102 test -x "$gnulib_srcdir"/gnulib-tool || {
 103   printf '%s\n' >&2 "$0: '$gnulib_srcdir' is not a Gnulib source directory."
 104   exit 1
 105 }
 106
 107 # gnulib-tool has problems with a bare checkout (Bug#32452#65).
 108 test -f configure || ./autogen.sh || exit
 109
 110 avoided_flags=
 111 for module in $AVOIDED_MODULES; do
 112   avoided_flags="$avoided_flags --avoid=$module"
 113 done
 114
 115 # Clean the lib directory as well.
 116 if [ -e "$src"/lib/Makefile ]; then
 117    make -C "$src"/lib maintainer-clean
 118 fi
 119
 120 "$gnulib_srcdir"/gnulib-tool --dir="$src" $GNULIB_TOOL_FLAGS \
 121         $avoided_flags $GNULIB_MODULES &&
 122 rm -- "$src"lib/gl_openssl.h \
 123       "$src"lib/stdio-read.c "$src"lib/stdio-write.c \
 124       "$src"m4/fcntl-o.m4 \
 125       "$src"m4/gl-openssl.m4 \
 126       "$src"m4/gnulib-cache.m4 "$src"m4/gnulib-tool.m4 \
 127       "$src"m4/locale-fr.m4 \
 128       "$src"m4/manywarnings-c++.m4 \
 129       "$src"m4/warn-on-use.m4 "$src"m4/wint_t.m4 &&
 130 cp -- "$gnulib_srcdir"/build-aux/texinfo.tex "$src"doc/misc &&
 131 cp -- "$gnulib_srcdir"/build-aux/config.guess \
 132       "$gnulib_srcdir"/build-aux/config.sub \
 133       "$gnulib_srcdir"/build-aux/install-sh \
 134       "$gnulib_srcdir"/build-aux/move-if-change \
 135    "$src"build-aux &&
 136 cp -- "$gnulib_srcdir"/lib/af_alg.h \
 137       "$gnulib_srcdir"/lib/save-cwd.h \
 138    "$src"lib &&
 139 cp -- "$gnulib_srcdir"/m4/codeset.m4 \
 140    "$src"m4 &&
 141 { test -z "$src" || cd "$src"; } &&
 142 ./autogen.sh