diff options
Diffstat (limited to 'bootstrap')
| -rwxr-xr-x | bootstrap | 1508 |
1 files changed, 1508 insertions, 0 deletions
diff --git a/bootstrap b/bootstrap new file mode 100755 index 0000000..93e000d --- /dev/null +++ b/bootstrap @@ -0,0 +1,1508 @@ +#! /bin/sh +# DO NOT EDIT! GENERATED AUTOMATICALLY! + +# Bootstrap this package from checked-out sources. + +scriptversion=2022-12-27.07; # UTC + +# Copyright (C) 2003-2023 Free Software Foundation, Inc. +# +# This program is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see <https://www.gnu.org/licenses/>. + +# Originally written by Paul Eggert. The canonical version of this +# script is maintained as top/bootstrap in gnulib. However, to be +# useful to your package, you should place a copy of it under version +# control in the top-level directory of your package. The intent is +# that all customization can be done with a bootstrap.conf file also +# maintained in your version control; gnulib comes with a template +# build-aux/bootstrap.conf to get you started. + +# Please report bugs or propose patches to bug-gnulib@gnu.org. + +me="$0" +medir=`dirname "$me"` + +# Read the function library and the configuration. + +# A library of shell functions for autopull.sh, autogen.sh, and bootstrap. + +scriptlibversion=2023-06-06.21; # UTC + +# Copyright (C) 2003-2023 Free Software Foundation, Inc. +# +# This program is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see <https://www.gnu.org/licenses/>. + +# Originally written by Paul Eggert. The canonical version of this +# script is maintained as top/bootstrap-funclib.sh in gnulib. However, +# to be useful to your package, you should place a copy of it under +# version control in the top-level directory of your package. The +# intent is that all customization can be done with a bootstrap.conf +# file also maintained in your version control; gnulib comes with a +# template build-aux/bootstrap.conf to get you started. + +nl=' +' + +# Ensure file names are sorted consistently across platforms. +LC_ALL=C +export LC_ALL + +# Honor $PERL, but work even if there is none. +PERL="${PERL-perl}" + +default_gnulib_url=https://git.savannah.gnu.org/git/gnulib.git + +# Copyright year, for the --version output. +copyright_year=`echo "$scriptlibversion" | sed -e 's/[^0-9].*//'` +copyright="Copyright (C) ${copyright_year} Free Software Foundation, Inc. +License GPLv3+: GNU GPL version 3 or later <https://gnu.org/licenses/gpl.html>. +This is free software: you are free to change and redistribute it. +There is NO WARRANTY, to the extent permitted by law." + +# warnf_ FORMAT-STRING ARG1... +warnf_ () +{ + warnf_format_=$1 + shift + nl=' +' + case $* in + *$nl*) me_=$(printf "$me"|tr "$nl|" '??') + printf "$warnf_format_" "$@" | sed "s|^|$me_: |" ;; + *) printf "$me: $warnf_format_" "$@" ;; + esac >&2 +} + +# warn_ WORD1... +warn_ () +{ + # If IFS does not start with ' ', set it and emit the warning in a subshell. + case $IFS in + ' '*) warnf_ '%s\n' "$*";; + *) (IFS=' '; warn_ "$@");; + esac +} + +# die WORD1... +die() { warn_ "$@"; exit 1; } + +# ------------------------------ Configuration. ------------------------------ + +# Directory that contains package-specific gnulib modules and/or overrides. +local_gl_dir=gl + +# Name of the Makefile.am +# XXX Not used. +gnulib_mk=gnulib.mk + +# List of gnulib modules needed. +gnulib_modules= + +# Any gnulib files needed that are not in modules. +gnulib_files= + +# A function to be called for each unrecognized option. Returns 0 if +# the option in $1 has been processed by the function. Returns 1 if +# the option has not been processed by the function. Override it via +# your own definition in bootstrap.conf +bootstrap_option_hook() { return 1; } + +# A function to be called in order to print the --help information +# corresponding to user-defined command-line options. +bootstrap_print_option_usage_hook() { :; } + +# A function to be called at the end of autopull.sh. +# Override it via your own definition in bootstrap.conf. +bootstrap_post_pull_hook() { :; } + +# A function to be called right after gnulib-tool is run. +# Override it via your own definition in bootstrap.conf. +bootstrap_post_import_hook() { :; } + +# A function to be called after everything else in this script. +# Override it via your own definition in bootstrap.conf. +bootstrap_epilogue() { :; } + +# The command to download all .po files for a specified domain into a +# specified directory. Fill in the first %s with the destination +# directory and the second with the domain name. +po_download_command_format=\ +"wget --mirror --level=1 -nd -nv -A.po -P '%s' \ + https://translationproject.org/latest/%s/" + +# Prefer a non-empty tarname (4th argument of AC_INIT if given), else +# fall back to the package name (1st argument with munging). +extract_package_name=' + /^AC_INIT(\[*/{ + s/// + /^[^,]*,[^,]*,[^,]*,[ []*\([^][ ,)]\)/{ + s//\1/ + s/[],)].*// + p + q + } + s/[],)].*// + s/^GNU // + y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/ + s/[^abcdefghijklmnopqrstuvwxyz0123456789_]/-/g + p + } +' +package=$(${AUTOCONF:-autoconf} --trace AC_INIT:\$4 configure.ac 2>/dev/null) +if test -z "$package"; then + package=$(sed -n "$extract_package_name" configure.ac) \ + || die 'cannot find package name in configure.ac' +fi +gnulib_name=lib$package + +build_aux=build-aux +source_base=lib +m4_base=m4 +doc_base=doc +tests_base=tests +gnulib_extra_files=" + build-aux/install-sh + build-aux/mdate-sh + build-aux/texinfo.tex + build-aux/depcomp + build-aux/config.guess + build-aux/config.sub + doc/INSTALL +" + +# Additional gnulib-tool options to use. Use "\newline" to break lines. +gnulib_tool_option_extras= + +# Other locale categories that need message catalogs. +EXTRA_LOCALE_CATEGORIES= + +# Additional xgettext options to use. Use "\\\newline" to break lines. +XGETTEXT_OPTIONS='\\\ + --flag=_:1:pass-c-format\\\ + --flag=N_:1:pass-c-format\\\ + --flag=error:3:c-format --flag=error_at_line:5:c-format\\\ +' + +# Package bug report address and copyright holder for gettext files +COPYRIGHT_HOLDER='Free Software Foundation, Inc.' +MSGID_BUGS_ADDRESS=bug-$package@gnu.org + +# Files we don't want to import. +# XXX Not used. +excluded_files= + +# File that should exist in the top directory of a checked out hierarchy, +# but not in a distribution tarball. +checkout_only_file=README-hacking + +# Set this to '.cvsignore .gitignore' in bootstrap.conf if you want +# those files to be generated in directories like lib/, m4/, and po/. +# Or set it to 'auto' to make this script select which to use based +# on which version control system (if any) is used in the source directory. +vc_ignore=auto + +# Set this to true in bootstrap.conf to enable --bootstrap-sync by +# default. +bootstrap_sync=false + +# Override the default configuration, if necessary. +# Make sure that bootstrap.conf is sourced from the current directory +# if we were invoked as "sh bootstrap". +conffile=`dirname "$me"`/bootstrap.conf +test -r "$conffile" && . "$conffile" + +# ------------------------- Build-time prerequisites ------------------------- + +check_exists() { + if test "$1" = "--verbose"; then + ($2 --version </dev/null) >/dev/null 2>&1 + if test $? -ge 126; then + # If not found, run with diagnostics as one may be + # presented with env variables to set to find the right version + ($2 --version </dev/null) + fi + else + ($1 --version </dev/null) >/dev/null 2>&1 + fi + + test $? -lt 126 +} + +# Note this deviates from the version comparison in automake +# in that it treats 1.5 < 1.5.0, and treats 1.4.4a < 1.4-p3a +# but this should suffice as we won't be specifying old +# version formats or redundant trailing .0 in bootstrap.conf. +# If we did want full compatibility then we should probably +# use m4_version_compare from autoconf. +sort_ver() { # sort -V is not generally available + ver1="$1" + ver2="$2" + + # split on '.' and compare each component + i=1 + while : ; do + p1=$(echo "$ver1" | cut -d. -f$i) + p2=$(echo "$ver2" | cut -d. -f$i) + if [ ! "$p1" ]; then + echo "$1 $2" + break + elif [ ! "$p2" ]; then + echo "$2 $1" + break + elif [ ! "$p1" = "$p2" ]; then + if [ "$p1" -gt "$p2" ] 2>/dev/null; then # numeric comparison + echo "$2 $1" + elif [ "$p2" -gt "$p1" ] 2>/dev/null; then # numeric comparison + echo "$1 $2" + else # numeric, then lexicographic comparison + lp=$(printf "%s\n%s\n" "$p1" "$p2" | LANG=C sort -n | tail -n1) + if [ "$lp" = "$p2" ]; then + echo "$1 $2" + else + echo "$2 $1" + fi + fi + break + fi + i=$(($i+1)) + done +} + +get_version_sed=' +# Move version to start of line. +s/.*[v ]\([0-9]\)/\1/ + +# Skip lines that do not start with version. +/^[0-9]/!d + +# Remove characters after the version. +s/[^.a-z0-9-].*// + +# The first component must be digits only. +s/^\([0-9]*\)[a-z-].*/\1/ + +#the following essentially does s/5.005/5.5/ +s/\.0*\([1-9]\)/.\1/g +p +q' + +get_version() { + app=$1 + + $app --version >/dev/null 2>&1 || { $app --version; return 1; } + + $app --version 2>&1 | sed -n "$get_version_sed" +} + +check_versions() { + ret=0 + + while read app req_ver; do + # We only need libtoolize from the libtool package. + if test "$app" = libtool; then + app=libtoolize + fi + # Exempt git if git is not needed. + if test "$app" = git; then + $check_git || continue + fi + # Honor $APP variables ($TAR, $AUTOCONF, etc.) + appvar=$(echo $app | LC_ALL=C tr '[a-z]-' '[A-Z]_') + test "$appvar" = TAR && appvar=AMTAR + case $appvar in + GZIP) ;; # Do not use $GZIP: it contains gzip options. + PERL::*) ;; # Keep perl modules as-is + *) eval "app=\${$appvar-$app}" ;; + esac + + # Handle the still-experimental Automake-NG programs specially. + # They remain named as the mainstream Automake programs ("automake", + # and "aclocal") to avoid gratuitous incompatibilities with + # preexisting usages (by, say, autoreconf, or custom autogen.sh + # scripts), but correctly identify themselves (as being part of + # "GNU automake-ng") when asked their version. + case $app in + automake-ng|aclocal-ng) + app=${app%-ng} + ($app --version | grep '(GNU automake-ng)') >/dev/null 2>&1 || { + warn_ "Error: '$app' not found or not from Automake-NG" + ret=1 + continue + } ;; + # Another check is for perl modules. These can be written as + # e.g. perl::XML::XPath in case of XML::XPath module, etc. + perl::*) + # Extract module name + app="${app#perl::}" + if ! $PERL -m"$app" -e 'exit 0' >/dev/null 2>&1; then + warn_ "Error: perl module '$app' not found" + ret=1 + fi + continue + ;; + esac + if [ "$req_ver" = "-" ]; then + # Merely require app to exist; not all prereq apps are well-behaved + # so we have to rely on $? rather than get_version. + if ! check_exists --verbose $app; then + warn_ "Error: '$app' not found" + ret=1 + fi + else + # Require app to produce a new enough version string. + inst_ver=$(get_version $app) + if [ ! "$inst_ver" ]; then + warn_ "Error: '$app' not found" + ret=1 + else + latest_ver=$(sort_ver $req_ver $inst_ver | cut -d' ' -f2) + if [ ! "$latest_ver" = "$inst_ver" ]; then + warnf_ '%s\n' \ + "Error: '$app' version == $inst_ver is too old" \ + " '$app' version >= $req_ver is required" + ret=1 + fi + fi + fi + done + + return $ret +} + +print_versions() { + echo "Program Min_version" + echo "----------------------" + printf %s "$buildreq" + echo "----------------------" + # can't depend on column -t +} + +# check_build_prerequisites check_git +check_build_prerequisites() +{ + check_git="$1" + + # gnulib-tool requires at least automake and autoconf. + # If either is not listed, add it (with minimum version) as a prerequisite. + case $buildreq in + *automake*) ;; + *) buildreq="automake 1.9 +$buildreq" ;; + esac + case $buildreq in + *autoconf*) ;; + *) buildreq="autoconf 2.59 +$buildreq" ;; + esac + + # When we can deduce that gnulib-tool will require patch, + # and when patch is not already listed as a prerequisite, add it, too. + if test -d "$local_gl_dir" \ + && ! find "$local_gl_dir" -name '*.diff' -exec false {} +; then + case $buildreq in + *patch*) ;; + *) buildreq="patch - +$buildreq" ;; + esac + fi + + if ! printf '%s' "$buildreq" | check_versions; then + echo >&2 + if test -f README-prereq; then + die "See README-prereq for how to get the prerequisite programs" + else + die "Please install the prerequisite programs" + fi + fi + + # Warn the user if autom4te appears to be broken; this causes known + # issues with at least gettext 0.18.3. + probe=$(echo 'm4_quote([hi])' | autom4te -l M4sugar -t 'm4_quote:$%' -) + if test "x$probe" != xhi; then + warn_ "WARNING: your autom4te wrapper eats stdin;" + warn_ "if bootstrap fails, consider upgrading your autotools" + fi +} + +# find_tool ENVVAR NAMES... +# ------------------------- +# Search for a required program. Use the value of ENVVAR, if set, +# otherwise find the first of the NAMES that can be run. +# If found, set ENVVAR to the program name, die otherwise. +# +# FIXME: code duplication, see also gnu-web-doc-update. +find_tool () +{ + find_tool_envvar=$1 + shift + find_tool_names=$@ + eval "find_tool_res=\$$find_tool_envvar" + if test x"$find_tool_res" = x; then + for i; do + if check_exists $i; then + find_tool_res=$i + break + fi + done + fi + if test x"$find_tool_res" = x; then + warn_ "one of these is required: $find_tool_names;" + die "alternatively set $find_tool_envvar to a compatible tool" + fi + eval "$find_tool_envvar=\$find_tool_res" + eval "export $find_tool_envvar" +} + +# --------------------- Preparing GNULIB_SRCDIR for use. --------------------- +# This is part of autopull.sh, but bootstrap needs it too, for self-upgrading. + +cleanup_gnulib() { + status=$? + # XXX It's a bad idea to erase the submodule directory if it contains local + # modifications. + rm -fr "$gnulib_path" + exit $status +} + +git_modules_config () { + test -f .gitmodules && git config --file .gitmodules "$@" +} + +prepare_GNULIB_SRCDIR () +{ + if test -n "$GNULIB_SRCDIR"; then + # Use GNULIB_SRCDIR directly. + # We already checked that $GNULIB_SRCDIR references a directory. + # Verify that it contains a gnulib checkout. + test -f "$GNULIB_SRCDIR/gnulib-tool" \ + || die "Error: --gnulib-srcdir or \$GNULIB_SRCDIR is specified, but does not contain gnulib-tool" + elif $use_git; then + gnulib_path=$(git_modules_config submodule.gnulib.path) + test -z "$gnulib_path" && gnulib_path=gnulib + + # Get gnulib files. Populate $gnulib_path, possibly updating a + # submodule, for use in the rest of the script. + + if test -n "$GNULIB_REFDIR" && test -d "$GNULIB_REFDIR"/.git \ + && git_modules_config submodule.gnulib.url >/dev/null; then + # Use GNULIB_REFDIR as a reference. + echo "$0: getting gnulib files..." + if git submodule -h|grep -- --reference > /dev/null; then + # Prefer the one-liner available in git 1.6.4 or newer. + git submodule update --init --reference "$GNULIB_REFDIR" \ + "$gnulib_path" || exit $? + else + # This fallback allows at least git 1.5.5. + if test -f "$gnulib_path"/gnulib-tool; then + # Since file already exists, assume submodule init already complete. + git submodule update -- "$gnulib_path" || exit $? + else + # Older git can't clone into an empty directory. + rmdir "$gnulib_path" 2>/dev/null + git clone --reference "$GNULIB_REFDIR" \ + "$(git_modules_config submodule.gnulib.url)" "$gnulib_path" \ + && git submodule init -- "$gnulib_path" \ + && git submodule update -- "$gnulib_path" \ + || exit $? + fi + fi + else + # GNULIB_REFDIR is not set or not usable. Ignore it. + if git_modules_config submodule.gnulib.url >/dev/null; then + echo "$0: getting gnulib files..." + git submodule init -- "$gnulib_path" || exit $? + git submodule update -- "$gnulib_path" || exit $? + + elif [ ! -d "$gnulib_path" ]; then + echo "$0: getting gnulib files..." + + trap cleanup_gnulib HUP INT PIPE TERM + + shallow= + if test -z "$GNULIB_REVISION"; then + if git clone -h 2>&1 | grep -- --depth > /dev/null; then + shallow='--depth 2' + fi + git clone $shallow ${GNULIB_URL:-$default_gnulib_url} "$gnulib_path" \ + || cleanup_gnulib + else + if git fetch -h 2>&1 | grep -- --depth > /dev/null; then + shallow='--depth 2' + fi + mkdir -p "$gnulib_path" + # Only want a shallow checkout of $GNULIB_REVISION, but git does not + # support cloning by commit hash. So attempt a shallow fetch by commit + # hash to minimize the amount of data downloaded and changes needed to + # be processed, which can drastically reduce download and processing + # time for checkout. If the fetch by commit fails, a shallow fetch can + # not be performed because we do not know what the depth of the commit + # is without fetching all commits. So fallback to fetching all commits. + git -C "$gnulib_path" init + git -C "$gnulib_path" remote add origin \ + ${GNULIB_URL:-$default_gnulib_url} + git -C "$gnulib_path" fetch $shallow origin "$GNULIB_REVISION" \ + || git -C "$gnulib_path" fetch origin \ + || cleanup_gnulib + git -C "$gnulib_path" reset --hard FETCH_HEAD + fi + + trap - HUP INT PIPE TERM + fi + fi + GNULIB_SRCDIR=$gnulib_path + # Verify that the submodule contains a gnulib checkout. + test -f "$gnulib_path/gnulib-tool" \ + || die "Error: $gnulib_path is supposed to contain a gnulib checkout, but does not contain gnulib-tool" + fi + + # XXX Should this be done if $use_git is false? + if test -d "$GNULIB_SRCDIR"/.git && test -n "$GNULIB_REVISION" \ + && ! git_modules_config submodule.gnulib.url >/dev/null; then + (cd "$GNULIB_SRCDIR" && git checkout "$GNULIB_REVISION") || cleanup_gnulib + fi + + # $GNULIB_SRCDIR now points to the version of gnulib to use, and + # we no longer need to use git or $gnulib_path below here. +} + +# -------- Upgrading bootstrap to the version found in GNULIB_SRCDIR. -------- + +upgrade_bootstrap () +{ + if test -f "$medir"/bootstrap-funclib.sh; then + update_lib=true + { cmp -s "$medir"/bootstrap "$GNULIB_SRCDIR/top/bootstrap" \ + && cmp -s "$medir"/bootstrap-funclib.sh "$GNULIB_SRCDIR/top/bootstrap-funclib.sh" \ + && cmp -s "$medir"/autopull.sh "$GNULIB_SRCDIR/top/autopull.sh" \ + && cmp -s "$medir"/autogen.sh "$GNULIB_SRCDIR/top/autogen.sh"; \ + } + else + update_lib=false + cmp -s "$medir"/bootstrap "$GNULIB_SRCDIR/build-aux/bootstrap" + fi || { + if $update_lib; then + echo "$0: updating bootstrap & companions and restarting..." + else + echo "$0: updating bootstrap and restarting..." + fi + case $(sh -c 'echo "$1"' -- a) in + a) ignored=--;; + *) ignored=ignored;; + esac + exec sh -c \ + '{ if '$update_lib' && test -f "$1"; then cp "$1" "$3"; else cp "$2" "$3"; fi; } && { if '$update_lib' && test -f "$4"; then cp "$4" "$5"; else rm -f "$5"; fi; } && { if '$update_lib' && test -f "$6"; then cp "$6" "$7"; else rm -f "$7"; fi; } && { if '$update_lib' && test -f "$8"; then cp "$8" "$9"; else rm -f "$9"; fi; } && shift && shift && shift && shift && shift && shift && shift && shift && shift && exec "${CONFIG_SHELL-/bin/sh}" "$@"' \ + $ignored \ + "$GNULIB_SRCDIR/top/bootstrap" "$GNULIB_SRCDIR/build-aux/bootstrap" "$medir/bootstrap" \ + "$GNULIB_SRCDIR/top/bootstrap-funclib.sh" "$medir/bootstrap-funclib.sh" \ + "$GNULIB_SRCDIR/top/autopull.sh" "$medir/autopull.sh" \ + "$GNULIB_SRCDIR/top/autogen.sh" "$medir/autogen.sh" \ + "$0" "$@" --no-bootstrap-sync + } +} + +# ---------------------------------------------------------------------------- + +if test x"$gnulib_modules$gnulib_files$gnulib_extra_files" = x; then + use_gnulib=false +else + use_gnulib=true +fi + +# -------- Fetch auxiliary files from the network. -------------------------- + +autopull_usage() { + cat <<EOF +Usage: $me [OPTION]... +Bootstrap this package from the checked-out sources. + +Optional environment variables: + GNULIB_SRCDIR Specifies the local directory where gnulib + sources reside. Use this if you already + have gnulib sources on your machine, and + you want to use these sources. + GNULIB_REFDIR Specifies the local directory where a gnulib + repository (with a .git subdirectory) resides. + Use this if you already have gnulib sources + and history on your machine, and do not want + to waste your bandwidth downloading them again. + GNULIB_URL Cloneable URL of the gnulib repository. + +Options: + --bootstrap-sync if this bootstrap script is not identical to + the version in the local gnulib sources, + update this script, and then restart it with + /bin/sh or the shell \$CONFIG_SHELL + --no-bootstrap-sync do not check whether bootstrap is out of sync + --force attempt to bootstrap even if the sources seem + not to have been checked out + --no-git do not use git to update gnulib. Requires that + \$GNULIB_SRCDIR or the --gnulib-srcdir option + points to a gnulib repository with the correct + revision + --skip-po do not download po files +EOF + bootstrap_print_option_usage_hook + cat <<EOF +If the file bootstrap.conf exists in the same directory as this script, its +contents are read as shell variables to configure the bootstrap. + +For build prerequisites, environment variables like \$AUTOCONF and \$AMTAR +are honored. + +Gnulib sources can be fetched in various ways: + + * If the environment variable GNULIB_SRCDIR is set (either as an + environment variable or via the --gnulib-srcdir option), then sources + are fetched from that local directory. If it is a git repository and + the configuration variable GNULIB_REVISION is set in bootstrap.conf, + then that revision is checked out. + + * Otherwise, if this package is in a git repository with a 'gnulib' + submodule configured, then that submodule is initialized and updated + and sources are fetched from there. If GNULIB_REFDIR is set (either + as an environment variable or via the --gnulib-refdir option) and is + a git repository, then it is used as a reference. + + * Otherwise, if the 'gnulib' directory does not exist, Gnulib sources + are cloned into that directory using git from \$GNULIB_URL, defaulting + to $default_gnulib_url. + If the configuration variable GNULIB_REVISION is set in bootstrap.conf, + then that revision is checked out. + + * Otherwise, the existing Gnulib sources in the 'gnulib' directory are + used. If it is a git repository and the configuration variable + GNULIB_REVISION is set in bootstrap.conf, then that revision is + checked out. + +If you maintain a package and want to pin a particular revision of the +Gnulib sources that has been tested with your package, then there are +two possible approaches: either configure a 'gnulib' submodule with the +appropriate revision, or set GNULIB_REVISION (and if necessary +GNULIB_URL) in bootstrap.conf. + +Running without arguments will suffice in most cases. +EOF +} + +# Fetch auxiliary files that are omitted from the version control +# repository of this package. +autopull() +{ + # Ensure that CDPATH is not set. Otherwise, the output from cd + # would cause trouble in at least one use below. + (unset CDPATH) >/dev/null 2>&1 && unset CDPATH + + # Parse options. + + # Use git to update gnulib sources + use_git=true + + for option + do + case $option in + --help) + autopull_usage + return;; + --version) + set -e + echo "autopull.sh $scriptlibversion" + echo "$copyright" + return 0 + ;; + --skip-po) + SKIP_PO=t;; + --force) + checkout_only_file=;; + --bootstrap-sync) + bootstrap_sync=true;; + --no-bootstrap-sync) + bootstrap_sync=false;; + --no-git) + use_git=false;; + *) + bootstrap_option_hook $option || die "$option: unknown option";; + esac + done + + $use_git || test -n "$GNULIB_SRCDIR" \ + || die "Error: --no-git requires \$GNULIB_SRCDIR environment variable or --gnulib-srcdir option" + test -z "$GNULIB_SRCDIR" || test -d "$GNULIB_SRCDIR" \ + || die "Error: \$GNULIB_SRCDIR environment variable or --gnulib-srcdir option is specified, but does not denote a directory" + + if test -n "$checkout_only_file" && test ! -r "$checkout_only_file"; then + die "Running this script from a non-checked-out distribution is risky." + fi + + check_build_prerequisites $use_git + + if $use_gnulib || $bootstrap_sync; then + prepare_GNULIB_SRCDIR + if $bootstrap_sync; then + upgrade_bootstrap + fi + fi + + # Find sha1sum, named gsha1sum on MacPorts, shasum on Mac OS X 10.6. + # Also find the compatible sha1 utility on the BSDs + if test x"$SKIP_PO" = x; then + find_tool SHA1SUM sha1sum gsha1sum shasum sha1 + fi + + # See if we can use gnulib's git-merge-changelog merge driver. + if $use_git && test -d .git && check_exists git; then + if git config merge.merge-changelog.driver >/dev/null ; then + : + elif check_exists git-merge-changelog; then + echo "$0: initializing git-merge-changelog driver" + git config merge.merge-changelog.name 'GNU-style ChangeLog merge driver' + git config merge.merge-changelog.driver 'git-merge-changelog %O %A %B' + else + echo "$0: consider installing git-merge-changelog from gnulib" + fi + fi + + case $SKIP_PO in + '') + if test -d po; then + update_po_files po $package || return + fi + + if test -d runtime-po; then + update_po_files runtime-po $package-runtime || return + fi;; + esac + + # --------------------------------------------------------------------------- + + bootstrap_post_pull_hook \ + || die "bootstrap_post_pull_hook failed" + + # Don't proceed if there are uninitialized submodules. In particular, + # autogen.sh will remove dangling links, which might be links into + # uninitialized submodules. + # But it's OK if the 'gnulib' submodule is uninitialized, as long as + # GNULIB_SRCDIR is set. + if $use_git; then + # Uninitialized submodules are listed with an initial dash. + uninitialized=`git submodule | grep '^-' | awk '{ print $2 }'` + if test -n "$GNULIB_SRCDIR"; then + uninitialized=`echo "$uninitialized" | grep -v '^gnulib$'` + fi + if test -n "$uninitialized"; then + die "Some git submodules are not initialized: "`echo "$uninitialized" | tr '\n' ',' | sed -e 's|,$|.|'`" Either use option '--no-git', or run 'git submodule update --init' and bootstrap again." + fi + fi + + if test -f "$medir"/autogen.sh; then + echo "$0: done. Now you can run '$medir/autogen.sh'." + fi +} + +# ----------------------------- Get translations. ----------------------------- + +download_po_files() { + subdir=$1 + domain=$2 + echo "$me: getting translations into $subdir for $domain..." + cmd=$(printf "$po_download_command_format" "$subdir" "$domain") + eval "$cmd" +} + +# Mirror .po files to $po_dir/.reference and copy only the new +# or modified ones into $po_dir. Also update $po_dir/LINGUAS. +# Note po files that exist locally only are left in $po_dir but will +# not be included in LINGUAS and hence will not be distributed. +update_po_files() { + # Directory containing primary .po files. + # Overwrite them only when we're sure a .po file is new. + po_dir=$1 + domain=$2 + + # Mirror *.po files into this dir. + # Usually contains *.s1 checksum files. + ref_po_dir="$po_dir/.reference" + + test -d $ref_po_dir || mkdir $ref_po_dir || return + download_po_files $ref_po_dir $domain \ + && ls "$ref_po_dir"/*.po 2>/dev/null | + sed 's|.*/||; s|\.po$||' > "$po_dir/LINGUAS" || return + + langs=$(cd $ref_po_dir && echo *.po | sed 's/\.po//g') + test "$langs" = '*' && langs=x + for po in $langs; do + case $po in x) continue;; esac + new_po="$ref_po_dir/$po.po" + cksum_file="$ref_po_dir/$po.s1" + if ! test -f "$cksum_file" || + ! test -f "$po_dir/$po.po" || + ! $SHA1SUM -c "$cksum_file" < "$new_po" > /dev/null 2>&1; then + echo "$me: updated $po_dir/$po.po..." + cp "$new_po" "$po_dir/$po.po" \ + && $SHA1SUM < "$new_po" > "$cksum_file" || return + fi + done +} + +# -------- Generate files automatically from existing sources. -------------- + +autogen_usage() { + cat <<EOF +Usage: $me [OPTION]... +Bootstrap this package from the checked-out sources. + +Optional environment variables: + GNULIB_SRCDIR Specifies the local directory where gnulib + sources reside. Use this if you already + have gnulib sources on your machine, and + you want to use these sources. + +Options: + --copy copy files instead of creating symbolic links + --force attempt to bootstrap even if the sources seem + not to have been checked out +EOF + bootstrap_print_option_usage_hook + cat <<EOF +If the file bootstrap.conf exists in the same directory as this script, its +contents are read as shell variables to configure the bootstrap. + +For build prerequisites, environment variables like \$AUTOCONF and \$AMTAR +are honored. + +Gnulib sources are assumed to be present: + * in \$GNULIB_SRCDIR, if that environment variable is set, + * otherwise, in the 'gnulib' submodule, if such a submodule is configured, + * otherwise, in the 'gnulib' subdirectory. + +Running without arguments will suffice in most cases. +EOF +} + + +version_controlled_file() { + parent=$1 + file=$2 + if test -d .git; then + git rm -n "$file" > /dev/null 2>&1 + elif test -d .svn; then + svn log -r HEAD "$file" > /dev/null 2>&1 + elif test -d CVS; then + grep -F "/${file##*/}/" "$parent/CVS/Entries" 2>/dev/null | + grep '^/[^/]*/[0-9]' > /dev/null + else + warn_ "no version control for $file?" + false + fi +} + +# Strip blank and comment lines to leave significant entries. +gitignore_entries() { + sed '/^#/d; /^$/d' "$@" +} + +# If $STR is not already on a line by itself in $FILE, insert it at the start. +# Entries are inserted at the start of the ignore list to ensure existing +# entries starting with ! are not overridden. Such entries support +# whitelisting exceptions after a more generic blacklist pattern. +insert_if_absent() { + file=$1 + str=$2 + test -f $file || touch $file + test -r $file || die "Error: failed to read ignore file: $file" + duplicate_entries=$(gitignore_entries $file | sort | uniq -d) + if [ "$duplicate_entries" ] ; then + die "Error: Duplicate entries in $file: " $duplicate_entries + fi + linesold=$(gitignore_entries $file | wc -l) + linesnew=$( { echo "$str"; cat $file; } | gitignore_entries | sort -u | wc -l) + if [ $linesold != $linesnew ] ; then + { echo "$str" | cat - $file > $file.bak && mv $file.bak $file; } \ + || die "insert_if_absent $file $str: failed" + fi +} + +# Adjust $PATTERN for $VC_IGNORE_FILE and insert it with +# insert_if_absent. +insert_vc_ignore() { + vc_ignore_file="$1" + pattern="$2" + case $vc_ignore_file in + *.gitignore) + # A .gitignore entry that does not start with '/' applies + # recursively to subdirectories, so prepend '/' to every + # .gitignore entry. + pattern=$(echo "$pattern" | sed s,^,/,);; + esac + insert_if_absent "$vc_ignore_file" "$pattern" +} + +symlink_to_dir() +{ + src=$1/$2 + dst=${3-$2} + + test -f "$src" && { + + # If the destination directory doesn't exist, create it. + # This is required at least for "lib/uniwidth/cjk.h". + dst_dir=$(dirname "$dst") + if ! test -d "$dst_dir"; then + mkdir -p "$dst_dir" + + # If we've just created a directory like lib/uniwidth, + # tell version control system(s) it's ignorable. + # FIXME: for now, this does only one level + parent=$(dirname "$dst_dir") + for dot_ig in x $vc_ignore; do + test $dot_ig = x && continue + ig=$parent/$dot_ig + insert_vc_ignore $ig "${dst_dir##*/}/" + done + fi + + if $copy; then + { + test ! -h "$dst" || { + echo "$me: rm -f $dst" && + rm -f "$dst" + } + } && + test -f "$dst" && + cmp -s "$src" "$dst" || { + echo "$me: cp -fp $src $dst" && + cp -fp "$src" "$dst" + } + else + # Leave any existing symlink alone, if it already points to the source, + # so that broken build tools that care about symlink times + # aren't confused into doing unnecessary builds. Conversely, if the + # existing symlink's timestamp is older than the source, make it afresh, + # so that broken tools aren't confused into skipping needed builds. See + # <https://lists.gnu.org/r/bug-gnulib/2011-05/msg00326.html>. + test -h "$dst" && + src_ls=$(ls -diL "$src" 2>/dev/null) && set $src_ls && src_i=$1 && + dst_ls=$(ls -diL "$dst" 2>/dev/null) && set $dst_ls && dst_i=$1 && + test "$src_i" = "$dst_i" && + both_ls=$(ls -dt "$src" "$dst") && + test "X$both_ls" = "X$dst$nl$src" || { + dot_dots= + case $src in + /*) ;; + *) + case /$dst/ in + *//* | */../* | */./* | /*/*/*/*/*/) + die "invalid symlink calculation: $src -> $dst";; + /*/*/*/*/) dot_dots=../../../;; + /*/*/*/) dot_dots=../../;; + /*/*/) dot_dots=../;; + esac;; + esac + + echo "$me: ln -fs $dot_dots$src $dst" && + ln -fs "$dot_dots$src" "$dst" + } + fi + } +} + +# Regenerate all autogeneratable files that are omitted from the +# version control repository. In particular, regenerate all +# aclocal.m4, config.h.in, Makefile.in, configure files with new +# versions of autoconf or automake. +autogen() +{ + # Ensure that CDPATH is not set. Otherwise, the output from cd + # would cause trouble in at least one use below. + (unset CDPATH) >/dev/null 2>&1 && unset CDPATH + + # Environment variables that may be set by the user. + : "${AUTOPOINT=autopoint}" + : "${AUTORECONF=autoreconf}" + + if test "$vc_ignore" = auto; then + vc_ignore= + test -d .git && vc_ignore=.gitignore + test -d CVS && vc_ignore="$vc_ignore .cvsignore" + fi + + + # Parse options. + + # Whether to use copies instead of symlinks. + copy=false + + for option + do + case $option in + --help) + autogen_usage + return;; + --version) + set -e + echo "autogen.sh $scriptlibversion" + echo "$copyright" + return 0 + ;; + --force) + checkout_only_file=;; + --copy) + copy=true;; + *) + bootstrap_option_hook $option || die "$option: unknown option";; + esac + done + + test -z "$GNULIB_SRCDIR" || test -d "$GNULIB_SRCDIR" \ + || die "Error: \$GNULIB_SRCDIR environment variable or --gnulib-srcdir option is specified, but does not denote a directory" + + if test -n "$checkout_only_file" && test ! -r "$checkout_only_file"; then + die "Running this script from a non-checked-out distribution is risky." + fi + + if $use_gnulib; then + if test -z "$GNULIB_SRCDIR"; then + gnulib_path=$(test -f .gitmodules && git config --file .gitmodules submodule.gnulib.path) + test -z "$gnulib_path" && gnulib_path=gnulib + GNULIB_SRCDIR=$gnulib_path + fi + fi + + # Die if there is no AC_CONFIG_AUX_DIR($build_aux) line in configure.ac. + found_aux_dir=no + grep '^[ ]*AC_CONFIG_AUX_DIR(\['"$build_aux"'])' configure.ac \ + >/dev/null && found_aux_dir=yes + grep '^[ ]*AC_CONFIG_AUX_DIR('"$build_aux"')' configure.ac \ + >/dev/null && found_aux_dir=yes + test $found_aux_dir = yes \ + || die "configure.ac lacks 'AC_CONFIG_AUX_DIR([$build_aux])'; add it" + + # If $build_aux doesn't exist, create it now, otherwise some bits + # below will malfunction. If creating it, also mark it as ignored. + if test ! -d $build_aux; then + mkdir $build_aux + for dot_ig in x $vc_ignore; do + test $dot_ig = x && continue + insert_vc_ignore $dot_ig $build_aux/ + done + fi + + check_build_prerequisites false + + use_libtool=0 + # We'd like to use grep -E, to see if any of LT_INIT, + # AC_PROG_LIBTOOL, AM_PROG_LIBTOOL is used in configure.ac, + # but that's not portable enough (e.g., for Solaris). + grep '^[ ]*A[CM]_PROG_LIBTOOL' configure.ac >/dev/null \ + && use_libtool=1 + grep '^[ ]*LT_INIT' configure.ac >/dev/null \ + && use_libtool=1 + if test $use_libtool = 1; then + find_tool LIBTOOLIZE glibtoolize libtoolize + fi + + if $use_gnulib; then + gnulib_tool=$GNULIB_SRCDIR/gnulib-tool + <$gnulib_tool || return + fi + + # NOTE: we have to be careful to run both autopoint and libtoolize + # before gnulib-tool, since gnulib-tool is likely to provide newer + # versions of files "installed" by these two programs. + # Then, *after* gnulib-tool (see below), we have to be careful to + # run autoreconf in such a way that it does not run either of these + # two just-pre-run programs. + + # Import from gettext. + with_gettext=yes + grep '^[ ]*AM_GNU_GETTEXT_VERSION(' configure.ac >/dev/null || \ + with_gettext=no + + if test $with_gettext = yes || test $use_libtool = 1; then + + tempbase=.bootstrap$$ + trap "rm -f $tempbase.0 $tempbase.1" HUP INT PIPE TERM + + > $tempbase.0 > $tempbase.1 && + find . ! -type d -print | sort > $tempbase.0 || return + + if test $with_gettext = yes; then + # Released autopoint has the tendency to install macros that have been + # obsoleted in current gnulib, so run this before gnulib-tool. + echo "$0: $AUTOPOINT --force" + $AUTOPOINT --force || return + fi + + # Autoreconf runs aclocal before libtoolize, which causes spurious + # warnings if the initial aclocal is confused by the libtoolized + # (or worse out-of-date) macro directory. + # libtoolize 1.9b added the --install option; but we support back + # to libtoolize 1.5.22, where the install action was default. + if test $use_libtool = 1; then + install= + case $($LIBTOOLIZE --help) in + *--install*) install=--install ;; + esac + echo "running: $LIBTOOLIZE $install --copy" + $LIBTOOLIZE $install --copy + fi + + find . ! -type d -print | sort >$tempbase.1 + old_IFS=$IFS + IFS=$nl + for file in $(comm -13 $tempbase.0 $tempbase.1); do + IFS=$old_IFS + parent=${file%/*} + version_controlled_file "$parent" "$file" || { + for dot_ig in x $vc_ignore; do + test $dot_ig = x && continue + ig=$parent/$dot_ig + insert_vc_ignore "$ig" "${file##*/}" + done + } + done + IFS=$old_IFS + + rm -f $tempbase.0 $tempbase.1 + trap - HUP INT PIPE TERM + fi + + # Import from gnulib. + + if $use_gnulib; then + gnulib_tool_options="\ + --no-changelog\ + --aux-dir=$build_aux\ + --doc-base=$doc_base\ + --lib=$gnulib_name\ + --m4-base=$m4_base/\ + --source-base=$source_base/\ + --tests-base=$tests_base\ + --local-dir=$local_gl_dir\ + $gnulib_tool_option_extras\ + " + if test $use_libtool = 1; then + case "$gnulib_tool_options " in + *' --libtool '*) ;; + *) gnulib_tool_options="$gnulib_tool_options --libtool" ;; + esac + fi + echo "$0: $gnulib_tool $gnulib_tool_options --import ..." + $gnulib_tool $gnulib_tool_options --import $gnulib_modules \ + || die "gnulib-tool failed" + + for file in $gnulib_files; do + symlink_to_dir "$GNULIB_SRCDIR" $file \ + || die "failed to symlink $file" + done + fi + + bootstrap_post_import_hook \ + || die "bootstrap_post_import_hook failed" + + # Remove any dangling symlink matching "*.m4" or "*.[ch]" in some + # gnulib-populated directories. Such .m4 files would cause aclocal to fail. + # The following requires GNU find 4.2.3 or newer. Considering the usual + # portability constraints of this script, that may seem a very demanding + # requirement, but it should be ok. Ignore any failure, which is fine, + # since this is only a convenience to help developers avoid the relatively + # unusual case in which a symlinked-to .m4 file is git-removed from gnulib + # between successive runs of this script. + find "$m4_base" "$source_base" \ + -depth \( -name '*.m4' -o -name '*.[ch]' \) \ + -type l -xtype l -delete > /dev/null 2>&1 + + # Invoke autoreconf with --force --install to ensure upgrades of tools + # such as ylwrap. + AUTORECONFFLAGS="--verbose --install --force -I $m4_base $ACLOCAL_FLAGS" + AUTORECONFFLAGS="$AUTORECONFFLAGS --no-recursive" + + # Tell autoreconf not to invoke autopoint or libtoolize; they were run above. + echo "running: AUTOPOINT=true LIBTOOLIZE=true $AUTORECONF $AUTORECONFFLAGS" + AUTOPOINT=true LIBTOOLIZE=true $AUTORECONF $AUTORECONFFLAGS \ + || die "autoreconf failed" + + # Get some extra files from gnulib, overriding existing files. + for file in $gnulib_extra_files; do + case $file in + */INSTALL) dst=INSTALL;; + build-aux/*) dst=$build_aux/${file#build-aux/};; + *) dst=$file;; + esac + symlink_to_dir "$GNULIB_SRCDIR" $file $dst \ + || die "failed to symlink $file" + done + + if test $with_gettext = yes; then + # Create gettext configuration. + echo "$0: Creating po/Makevars from po/Makevars.template ..." + rm -f po/Makevars + sed ' + /^EXTRA_LOCALE_CATEGORIES *=/s/=.*/= '"$EXTRA_LOCALE_CATEGORIES"'/ + /^COPYRIGHT_HOLDER *=/s/=.*/= '"$COPYRIGHT_HOLDER"'/ + /^MSGID_BUGS_ADDRESS *=/s|=.*|= '"$MSGID_BUGS_ADDRESS"'| + /^XGETTEXT_OPTIONS *=/{ + s/$/ \\/ + a\ + '"$XGETTEXT_OPTIONS"' $${end_of_xgettext_options+} + } + ' po/Makevars.template >po/Makevars \ + || die 'cannot generate po/Makevars' + + # If the 'gettext' module is in use, grab the latest Makefile.in.in. + # If only the 'gettext-h' module is in use, assume autopoint already + # put the correct version of this file into place. + case $gnulib_modules in + *gettext-h*) ;; + *gettext*) + cp $GNULIB_SRCDIR/build-aux/po/Makefile.in.in po/Makefile.in.in \ + || die "cannot create po/Makefile.in.in" + ;; + esac + + if test -d runtime-po; then + # Similarly for runtime-po/Makevars, but not quite the same. + rm -f runtime-po/Makevars + sed ' + /^DOMAIN *=.*/s/=.*/= '"$package"'-runtime/ + /^subdir *=.*/s/=.*/= runtime-po/ + /^MSGID_BUGS_ADDRESS *=/s/=.*/= bug-'"$package"'@gnu.org/ + /^XGETTEXT_OPTIONS *=/{ + s/$/ \\/ + a\ + '"$XGETTEXT_OPTIONS_RUNTIME"' $${end_of_xgettext_options+} + } + ' po/Makevars.template >runtime-po/Makevars \ + || die 'cannot generate runtime-po/Makevars' + + # Copy identical files from po to runtime-po. + (cd po && cp -p Makefile.in.in *-quot *.header *.sed *.sin ../runtime-po) + fi + fi + + bootstrap_epilogue + + echo "$0: done. Now you can run './configure'." +} + +# ---------------------------------------------------------------------------- + +# Local Variables: +# eval: (add-hook 'before-save-hook 'time-stamp) +# time-stamp-start: "scriptlibversion=" +# time-stamp-format: "%:y-%02m-%02d.%02H" +# time-stamp-time-zone: "UTC0" +# time-stamp-end: "; # UTC" +# End: + +usage() { + cat <<EOF +Usage: $me [OPTION]... +Bootstrap this package from the checked-out sources. + +Optional environment variables: + GNULIB_SRCDIR Specifies the local directory where gnulib + sources reside. Use this if you already + have gnulib sources on your machine, and + do not want to waste your bandwidth downloading + them again. + GNULIB_URL Cloneable URL of the gnulib repository. + +Options: + + --pull Do phase 1: pull files from network + --gen Do phase 2: generate from local files. + (The default is to do both phases.) + + --gnulib-srcdir=DIRNAME specify the local directory where gnulib + sources reside. Use this if you already + have gnulib sources on your machine, and + you want to use these sources. Defaults + to \$GNULIB_SRCDIR + --gnulib-refdir=DIRNAME specify the local directory where a gnulib + repository (with a .git subdirectory) resides. + Use this if you already have gnulib sources + and history on your machine, and do not want + to waste your bandwidth downloading them again. + Defaults to \$GNULIB_REFDIR + + --bootstrap-sync if this bootstrap script is not identical to + the version in the local gnulib sources, + update this script, and then restart it with + /bin/sh or the shell \$CONFIG_SHELL + --no-bootstrap-sync do not check whether bootstrap is out of sync + + --copy copy files instead of creating symbolic links + --force attempt to bootstrap even if the sources seem + not to have been checked out + --no-git do not use git to update gnulib. Requires that + \$GNULIB_SRCDIR or the --gnulib-srcdir option + points to a gnulib repository with the correct + revision + --skip-po do not download po files +EOF + bootstrap_print_option_usage_hook + cat <<EOF +If the file bootstrap.conf exists in the same directory as this script, its +contents are read as shell variables to configure the bootstrap. + +For build prerequisites, environment variables like \$AUTOCONF and \$AMTAR +are honored. + +Gnulib sources can be fetched in various ways: + + * If the environment variable GNULIB_SRCDIR is set (either as an + environment variable or via the --gnulib-srcdir option), then sources + are fetched from that local directory. If it is a git repository and + the configuration variable GNULIB_REVISION is set in bootstrap.conf, + then that revision is checked out. + + * Otherwise, if this package is in a git repository with a 'gnulib' + submodule configured, then that submodule is initialized and updated + and sources are fetched from there. If GNULIB_REFDIR is set (either + as an environment variable or via the --gnulib-refdir option) and is + a git repository, then it is used as a reference. + + * Otherwise, if the 'gnulib' directory does not exist, Gnulib sources + are cloned into that directory using git from \$GNULIB_URL, defaulting + to $default_gnulib_url. + If the configuration variable GNULIB_REVISION is set in bootstrap.conf, + then that revision is checked out. + + * Otherwise, the existing Gnulib sources in the 'gnulib' directory are + used. If it is a git repository and the configuration variable + GNULIB_REVISION is set in bootstrap.conf, then that revision is + checked out. + +If you maintain a package and want to pin a particular revision of the +Gnulib sources that has been tested with your package, then there are +two possible approaches: either configure a 'gnulib' submodule with the +appropriate revision, or set GNULIB_REVISION (and if necessary +GNULIB_URL) in bootstrap.conf. + +Running without arguments will suffice in most cases. +EOF +} + +# Parse options. + +# Whether to pull and generate. +pull=false +gen=false + +# Whether to use copies instead of symlinks. +copy=false + +# Use git to update gnulib sources +use_git=true + +for option +do + case $option in + --help) + usage + exit;; + --version) + set -e + echo "bootstrap $scriptversion lib $scriptlibversion" + echo "$copyright" + exit 0 + ;; + --pull) + pull=true;; + --gen) + gen=true;; + --gnulib-srcdir=*) + GNULIB_SRCDIR=${option#--gnulib-srcdir=};; + --gnulib-refdir=*) + GNULIB_REFDIR=${option#--gnulib-refdir=};; + --skip-po) + SKIP_PO=t;; + --force) + checkout_only_file=;; + --copy) + copy=true;; + --bootstrap-sync) + bootstrap_sync=true;; + --no-bootstrap-sync) + bootstrap_sync=false;; + --no-git) + use_git=false;; + *) + bootstrap_option_hook $option || die "$option: unknown option";; + esac +done + +# Default is to do both. +$pull || $gen || pull=true gen=true + +$use_git || test -n "$GNULIB_SRCDIR" \ + || die "Error: --no-git requires \$GNULIB_SRCDIR environment variable or --gnulib-srcdir option" +test -z "$GNULIB_SRCDIR" || test -d "$GNULIB_SRCDIR" \ + || die "Error: \$GNULIB_SRCDIR environment variable or --gnulib-srcdir option is specified, but does not denote a directory" + +if test -n "$checkout_only_file" && test ! -r "$checkout_only_file"; then + die "Bootstrapping from a non-checked-out distribution is risky." +fi + +check_build_prerequisites $use_git + +if $bootstrap_sync; then + prepare_GNULIB_SRCDIR + upgrade_bootstrap + # Since we have now upgraded if needed, no need to try it a second time below. + bootstrap_sync=false +fi + +echo "$0: Bootstrapping from checked-out $package sources..." + +# Pass GNULIB_SRCDIR and GNULIB_REFDIR to any subsidiary commands that care. +export GNULIB_SRCDIR +export GNULIB_REFDIR + +if $pull && { $use_git || test -z "$SKIP_PO"; }; then + autopull \ + `if $bootstrap_sync; then echo ' --bootstrap-sync'; else echo ' --no-bootstrap-sync'; fi` \ + `if test -z "$checkout_only_file"; then echo ' --force'; fi` \ + `if ! $use_git; then echo ' --no-git'; fi` \ + `if test -n "$SKIP_PO"; then echo ' --skip-po'; fi` \ + || die "could not fetch auxiliary files" +fi + +if $gen; then + autogen \ + `if $copy; then echo ' --copy'; fi` \ + `if test -z "$checkout_only_file"; then echo ' --force'; fi` \ + || die "could not generate auxiliary files" +fi + +# ---------------------------------------------------------------------------- + +# Local Variables: +# eval: (add-hook 'before-save-hook 'time-stamp) +# time-stamp-start: "scriptversion=" +# time-stamp-format: "%:y-%02m-%02d.%02H" +# time-stamp-time-zone: "UTC0" +# time-stamp-end: "; # UTC" +# End: |