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|
# A library of shell functions for autopull.sh, autogen.sh, and bootstrap.
scriptlibversion=2022-12-27.16; # 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
# pre-existing 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
echo "$0: done. Now you can run './autogen.sh'."
}
# ----------------------------- 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"
# Some systems (RHEL 5) are using ancient autotools, for which the
# --no-recursive option had not been invented. Detect that lack and
# omit the option when it's not supported. FIXME in 2017: remove this
# hack when RHEL 5 autotools are updated, or when they become irrelevant.
case $($AUTORECONF --help) in
*--no-recursive*) AUTORECONFFLAGS="$AUTORECONFFLAGS --no-recursive";;
esac
# 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:
|