+ case $option in
+ --help)
+ usage
+ exit;;
+ --gnulib-srcdir=*)
+ GNULIB_SRCDIR=${option#--gnulib-srcdir=};;
+ --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;;
+ *)
+ echo >&2 "$0: $option: unknown option"
+ exit 1;;
+ esac
+done
+
+if $use_git || test -d "$GNULIB_SRCDIR"; then
+ :
+else
+ echo "$0: Error: --no-git requires --gnulib-srcdir" >&2
+ exit 1
+fi
+
+if test -n "$checkout_only_file" && test ! -r "$checkout_only_file"; then
+ echo "$0: Bootstrapping from a non-checked-out distribution is risky." >&2
+ exit 1
+fi
+
+# Ensure that lines starting with ! sort last, per gitignore conventions
+# for whitelisting exceptions after a more generic blacklist pattern.
+sort_patterns() {
+ sort -u "$@" | sed '/^!/ {
+ H
+ d
+ }
+ $ {
+ P
+ x
+ s/^\n//
+ }' | sed '/^$/d'
+}
+
+# If $STR is not already on a line by itself in $FILE, insert it,
+# sorting the new contents of the file and replacing $FILE with the result.
+insert_sorted_if_absent() {
+ file=$1
+ str=$2
+ test -f $file || touch $file
+ echo "$str" | sort_patterns - $file | cmp -s - $file > /dev/null \
+ || { echo "$str" | sort_patterns - $file > $file.bak \
+ && mv $file.bak $file; } \
+ || exit 1
+}
+
+# Adjust $PATTERN for $VC_IGNORE_FILE and insert it with
+# insert_sorted_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 "$pattern" | sed s,^,/,);;
+ esac
+ insert_sorted_if_absent "$vc_ignore_file" "$pattern"
+}
+
+# Die if there is no AC_CONFIG_AUX_DIR($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
+if test $found_aux_dir = no; then
+ echo "$0: expected line not found in configure.ac. Add the following:" >&2
+ echo " AC_CONFIG_AUX_DIR([$build_aux])" >&2
+ exit 1
+fi
+
+# 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
+
+# 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 "$p1\n$p2\n" | 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() {
+ app=$1
+
+ $app --version >/dev/null 2>&1 || return 1
+
+ $app --version 2>&1 |
+ sed -n '# 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'
+}
+
+check_versions() {
+ ret=0
+
+ while read app req_ver; do
+ # We only need libtoolize from the libtool package.
+ if test "$app" = libtool; then
+ app=libtoolize
+ fi
+ # Exempt git if --no-git is in effect.
+ if test "$app" = git; then
+ $use_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 $GZIP: it contains gzip options.
+ *) eval "app=\${$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}
+ ($app --version | grep '(GNU automake-ng)') >/dev/null 2>&1 || {
+ echo "$me: Error: '$app' not found or not from Automake-NG" >&2
+ ret=1
+ continue
+ } ;;
+ esac
+ if [ "$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.
+ $app --version >/dev/null 2>&1
+ if [ 126 -le $? ]; then
+ echo "$me: Error: '$app' not found" >&2
+ ret=1
+ fi
+ else
+ # Require app to produce a new enough version string.
+ inst_ver=$(get_version $app)
+ if [ ! "$inst_ver" ]; then
+ echo "$me: Error: '$app' not found" >&2
+ ret=1
+ else
+ latest_ver=$(sort_ver $req_ver $inst_ver | cut -d' ' -f2)
+ if [ ! "$latest_ver" = "$inst_ver" ]; then
+ echo "$me: Error: '$app' version == $inst_ver is too old" >&2
+ echo " '$app' version >= $req_ver is required" >&2
+ 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
+}
+
+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
+
+# 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 "$buildreq" | check_versions; then
+ echo >&2
+ if test -f README-prereq; then
+ echo "$0: See README-prereq for how to get the prerequisite programs" >&2
+ else
+ echo "$0: Please install the prerequisite programs" >&2
+ fi
+ exit 1
+fi
+
+echo "$0: Bootstrapping from checked-out $package sources..."
+
+# See if we can use gnulib's git-merge-changelog merge driver.
+if test -d .git && (git --version) >/dev/null 2>/dev/null ; then
+ if git config merge.merge-changelog.driver >/dev/null ; then
+ :
+ elif (git-merge-changelog --version) >/dev/null 2>/dev/null ; 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 "$0: consider installing git-merge-changelog from gnulib"
+ fi
+fi
+
+
+cleanup_gnulib() {
+ status=$?
+ rm -fr "$gnulib_path"
+ exit $status
+}
+
+git_modules_config () {
+ test -f .gitmodules && git config --file .gitmodules "$@"
+}
+
+gnulib_path=$(git_modules_config submodule.gnulib.path)
+test -z "$gnulib_path" && gnulib_path=gnulib
+
+# Get gnulib files.
+
+case ${GNULIB_SRCDIR--} in
+-)
+ if git_modules_config submodule.gnulib.url >/dev/null; then
+ echo "$0: getting gnulib files..."
+ git submodule init || exit $?
+ git submodule update || exit $?
+
+ elif [ ! -d "$gnulib_path" ]; then
+ echo "$0: getting gnulib files..."
+
+ trap cleanup_gnulib 1 2 13 15
+
+ shallow=
+ git clone -h 2>&1 | grep -- --depth > /dev/null && shallow='--depth 2'
+ git clone $shallow git://git.sv.gnu.org/gnulib "$gnulib_path" ||
+ cleanup_gnulib
+
+ trap - 1 2 13 15
+ fi
+ GNULIB_SRCDIR=$gnulib_path
+ ;;
+*)
+ # Use GNULIB_SRCDIR as a reference.
+ if test -d "$GNULIB_SRCDIR"/.git && \
+ git_modules_config submodule.gnulib.url >/dev/null; then
+ 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_SRCDIR" \
+ "$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 || exit $?
+ else
+ # Older git can't clone into an empty directory.
+ rmdir "$gnulib_path" 2>/dev/null
+ git clone --reference "$GNULIB_SRCDIR" \
+ "$(git_modules_config submodule.gnulib.url)" "$gnulib_path" \
+ && git submodule init && git submodule update \
+ || exit $?
+ fi
+ fi
+ GNULIB_SRCDIR=$gnulib_path
+ fi
+ ;;
+esac
+
+if $bootstrap_sync; then
+ cmp -s "$0" "$GNULIB_SRCDIR/build-aux/bootstrap" || {
+ echo "$0: updating bootstrap and restarting..."
+ exec sh -c \
+ 'cp "$1" "$2" && shift && exec "${CONFIG_SHELL-/bin/sh}" "$@"' \
+ -- "$GNULIB_SRCDIR/build-aux/bootstrap" \
+ "$0" "$@" --no-bootstrap-sync
+ }
+fi
+
+gnulib_tool=$GNULIB_SRCDIR/gnulib-tool
+<$gnulib_tool || exit $?
+
+# Get translations.
+
+download_po_files() {
+ subdir=$1
+ domain=$2
+ echo "$me: getting translations into $subdir for $domain..."
+ cmd=$(printf "$po_download_command_format" "$domain" "$subdir")
+ eval "$cmd" && return
+ # Fallback to HTTP.
+ cmd=$(printf "$po_download_command_format2" "$subdir" "$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" ||
+ ! $SHA1SUM -c --status "$cksum_file" \
+ < "$new_po" > /dev/null; then
+ echo "$me: updated $po_dir/$po.po..."
+ cp "$new_po" "$po_dir/$po.po" \
+ && $SHA1SUM < "$new_po" > "$cksum_file"
+ fi
+ done
+}
+
+case $SKIP_PO in
+'')
+ if test -d po; then
+ update_po_files po $package || exit
+ fi
+
+ if test -d runtime-po; then
+ update_po_files runtime-po $package-runtime || exit
+ fi;;
+esac
+
+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" "$dst"
+ }
+ else
+ # Leave any existing symlink alone, if it already points to the source,
+ # so that broken build tools that care about symlink times
+ # aren't confused into doing unnecessary builds. Conversely, if the
+ # existing symlink's time stamp is older than the source, make it afresh,
+ # so that broken tools aren't confused into skipping needed builds. See
+ # <http://lists.gnu.org/archive/html/bug-gnulib/2011-05/msg00326.html>.
+ test -h "$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
+ *//* | */../* | */./* | /*/*/*/*/*/)
+ echo >&2 "$me: invalid symlink calculation: $src -> $dst"
+ exit 1;;
+ /*/*/*/*/) dot_dots=../../../;;
+ /*/*/*/) dot_dots=../../;;
+ /*/*/) dot_dots=../;;
+ esac;;
+ esac
+
+ echo "$me: ln -fs $dot_dots$src $dst" &&
+ ln -fs "$dot_dots$src" "$dst"
+ }
+ fi
+ }
+}
+
+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##*/}/" "$parent/CVS/Entries" 2>/dev/null |
+ grep '^/[^/]*/[0-9]' > /dev/null
+ else
+ echo "$me: no version control for $file?" >&2
+ false
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