#! /bin/sh
# Print a version string.
-scriptversion=2012-07-03.20; # UTC
+scriptversion=2014-12-08.12; # UTC
# Bootstrap this package from checked-out sources.
-# Copyright (C) 2003-2012 Free Software Foundation, Inc.
+# Copyright (C) 2003-2015 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
local_gl_dir=gl
+# Honour $PERL, but work even if there is none
+PERL="${PERL-perl}"
+
me=$0
usage() {
EOF
}
+# 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.
# Name of the Makefile.am
"wget --mirror -nd -q -np -A.po -P '%s' \
http://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/[][]//g
- s/)$//
+ /^AC_INIT(\[*/{
+ s///
+ /^[^,]*,[^,]*,[^,]*,[ []*\([^][ ,)]\)/{
+ s//\1/
+ s/[],)].*//
p
q
}
- s/AC_INIT(\[*//
- s/]*,.*//
+ s/[],)].*//
s/^GNU //
y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/
- s/[^A-Za-z0-9_]/-/g
+ s/[^abcdefghijklmnopqrstuvwxyz0123456789_]/-/g
p
}
'
-package=$(sed -n "$extract_package_name" configure.ac) || exit
+package=$(sed -n "$extract_package_name" configure.ac) \
+ || die 'cannot find package name in configure.ac'
gnulib_name=lib$package
build_aux=build-aux
# Use git to update gnulib sources
use_git=true
+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
+}
+
# 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 (i.e.,
-# supports --version). If found, set ENVVAR to the program name,
-# die otherwise.
+# 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=$1
find_tool_names=$@
eval "find_tool_res=\$$find_tool_envvar"
if test x"$find_tool_res" = x; then
- for i
- do
- if ($i --version </dev/null) >/dev/null 2>&1; then
- find_tool_res=$i
- break
+ for i; do
+ if check_exists $i; then
+ find_tool_res=$i
+ break
fi
done
- else
- find_tool_error_prefix="\$$find_tool_envvar: "
fi
if test x"$find_tool_res" = x; then
- echo >&2 "$me: one of these is required: $find_tool_names"
- exit 1
+ warn_ "one of these is required: $find_tool_names;"
+ die "alternatively set $find_tool_envvar to a compatible tool"
fi
- ($find_tool_res --version </dev/null) >/dev/null 2>&1 || {
- echo >&2 "$me: ${find_tool_error_prefix}cannot run $find_tool_res --version"
- exit 1
- }
eval "$find_tool_envvar=\$find_tool_res"
eval "export $find_tool_envvar"
}
-# Find sha1sum, named gsha1sum on MacPorts, and shasum on Mac OS X 10.6.
-find_tool SHA1SUM sha1sum gsha1sum shasum
-
# Override the default configuration, if necessary.
# Make sure that bootstrap.conf is sourced from the current directory
# if we were invoked as "sh bootstrap".
# Extra files from gnulib, which override files from other sources.
test -z "${gnulib_extra_files}" && \
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
+ 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
"
--no-git)
use_git=false;;
*)
- echo >&2 "$0: $option: unknown option"
- exit 1;;
+ die "$option: unknown option";;
esac
done
-if $use_git || test -d "$GNULIB_SRCDIR"; then
- :
-else
- echo "$0: Error: --no-git requires --gnulib-srcdir" >&2
- exit 1
-fi
+$use_git || test -d "$GNULIB_SRCDIR" \
+ || die "Error: --no-git requires --gnulib-srcdir"
if test -n "$checkout_only_file" && test ! -r "$checkout_only_file"; then
- echo "$0: Bootstrapping from a non-checked-out distribution is risky." >&2
- exit 1
+ die "Bootstrapping from a non-checked-out distribution is risky."
fi
-# Ensure that lines starting with ! sort last, per gitignore conventions
-# for whitelisting exceptions after a more generic blacklist pattern.
-sort_patterns() {
- sort -u "$@" | sed '/^!/ {
- H
- d
- }
- $ {
- P
- x
- s/^\n//
- }' | sed '/^$/d'
+# Strip blank and comment lines to leave significant entries.
+gitignore_entries() {
+ sed '/^#/d; /^$/d' "$@"
}
-# If $STR is not already on a line by itself in $FILE, insert it,
-# sorting the new contents of the file and replacing $FILE with the result.
-insert_sorted_if_absent() {
+# 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 $file
- echo "$str" | sort_patterns - $file | cmp -s - $file > /dev/null \
- || { echo "$str" | sort_patterns - $file > $file.bak \
- && mv $file.bak $file; } \
- || exit 1
+ 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_sorted_if_absent.
+# insert_if_absent.
insert_vc_ignore() {
vc_ignore_file="$1"
pattern="$2"
# .gitignore entry.
pattern=$(echo "$pattern" | sed s,^,/,);;
esac
- insert_sorted_if_absent "$vc_ignore_file" "$pattern"
+ insert_if_absent "$vc_ignore_file" "$pattern"
}
# Die if there is no AC_CONFIG_AUX_DIR($build_aux) line in 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
+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.
get_version() {
app=$1
- $app --version >/dev/null 2>&1 || return 1
+ $app --version >/dev/null 2>&1 || { $app --version; return 1; }
$app --version 2>&1 |
sed -n '# Move version to start of line.
test "$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-$app}" ;;
esac
automake-ng|aclocal-ng)
app=${app%-ng}
($app --version | grep '(GNU automake-ng)') >/dev/null 2>&1 || {
- echo "$me: Error: '$app' not found or not from Automake-NG" >&2
+ warn_ "Error: '$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.
- $app --version >/dev/null 2>&1
- if [ 126 -le $? ]; then
- echo "$me: Error: '$app' not found" >&2
+ 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
- echo "$me: Error: '$app' not found" >&2
+ warn_ "Error: '$app' not found"
ret=1
else
latest_ver=$(sort_ver $req_ver $inst_ver | cut -d' ' -f2)
if [ ! "$latest_ver" = "$inst_ver" ]; then
- echo "$me: Error: '$app' version == $inst_ver is too old" >&2
- echo " '$app' version >= $req_ver is required" >&2
+ warnf_ '%s\n' \
+ "Error: '$app' version == $inst_ver is too old" \
+ " '$app' version >= $req_ver is required"
ret=1
fi
fi
# can't depend on column -t
}
+# Find sha1sum, named gsha1sum on MacPorts, shasum on Mac OS X 10.6.
+# Also find the compatible sha1 utility on the BSDs
+if test x"$SKIP_PO" = x; then
+ find_tool SHA1SUM sha1sum gsha1sum shasum sha1
+fi
+
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,
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
+ die "See README-prereq for how to get the prerequisite programs"
else
- echo "$0: Please install the prerequisite programs" >&2
+ die "Please install the prerequisite programs"
fi
- exit 1
+fi
+
+# Warn the user if autom4te appears to be broken; this causes known
+# issues with at least gettext 0.18.3.
+probe=$(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
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 $use_git && test -d .git && check_exists git; then
if git config merge.merge-changelog.driver >/dev/null ; then
:
- elif (git-merge-changelog --version) >/dev/null 2>/dev/null ; then
+ elif check_exists git-merge-changelog; then
echo "$0: initializing git-merge-changelog driver"
git config merge.merge-changelog.name 'GNU-style ChangeLog merge driver'
git config merge.merge-changelog.driver 'git-merge-changelog %O %A %B'
test -f .gitmodules && git config --file .gitmodules "$@"
}
-gnulib_path=$(git_modules_config submodule.gnulib.path)
-test -z "$gnulib_path" && gnulib_path=gnulib
+if $use_git; then
+ gnulib_path=$(git_modules_config submodule.gnulib.path)
+ test -z "$gnulib_path" && gnulib_path=gnulib
+fi
-# Get gnulib files.
+# Get gnulib files. Populate $GNULIB_SRCDIR, possibly updating a
+# submodule, for use in the rest of the script.
case ${GNULIB_SRCDIR--} in
-)
+ # Note that $use_git is necessarily true in this case.
if git_modules_config submodule.gnulib.url >/dev/null; then
echo "$0: getting gnulib files..."
- git submodule init || exit $?
- git submodule update || exit $?
+ git submodule init -- "$gnulib_path" || exit $?
+ git submodule update -- "$gnulib_path" || exit $?
elif [ ! -d "$gnulib_path" ]; then
echo "$0: getting gnulib files..."
GNULIB_SRCDIR=$gnulib_path
;;
*)
- # Use GNULIB_SRCDIR as a reference.
- if test -d "$GNULIB_SRCDIR"/.git && \
+ # Use GNULIB_SRCDIR directly or as a reference.
+ if $use_git && test -d "$GNULIB_SRCDIR"/.git && \
git_modules_config submodule.gnulib.url >/dev/null; then
echo "$0: getting gnulib files..."
if git submodule -h|grep -- --reference > /dev/null; then
# This fallback allows at least git 1.5.5.
if test -f "$gnulib_path"/gnulib-tool; then
# Since file already exists, assume submodule init already complete.
- git submodule update || exit $?
+ git submodule update -- "$gnulib_path" || exit $?
else
# Older git can't clone into an empty directory.
rmdir "$gnulib_path" 2>/dev/null
git clone --reference "$GNULIB_SRCDIR" \
"$(git_modules_config submodule.gnulib.url)" "$gnulib_path" \
- && git submodule init && git submodule update \
+ && git submodule init -- "$gnulib_path" \
+ && git submodule update -- "$gnulib_path" \
|| exit $?
fi
fi
;;
esac
+# $GNULIB_SRCDIR now points to the version of gnulib to use, and
+# we no longer need to use git or $gnulib_path below here.
+
if $bootstrap_sync; then
cmp -s "$0" "$GNULIB_SRCDIR/build-aux/bootstrap" || {
echo "$0: updating bootstrap and restarting..."
+ case $(sh -c 'echo "$1"' -- a) in
+ a) ignored=--;;
+ *) ignored=ignored;;
+ esac
exec sh -c \
'cp "$1" "$2" && shift && exec "${CONFIG_SHELL-/bin/sh}" "$@"' \
- -- "$GNULIB_SRCDIR/build-aux/bootstrap" \
+ $ignored "$GNULIB_SRCDIR/build-aux/bootstrap" \
"$0" "$@" --no-bootstrap-sync
}
fi
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
+ ! $SHA1SUM -c "$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"
+ && $SHA1SUM < "$new_po" > "$cksum_file" || return
fi
done
}
*)
case /$dst/ in
*//* | */../* | */./* | /*/*/*/*/*/)
- echo >&2 "$me: invalid symlink calculation: $src -> $dst"
- exit 1;;
- /*/*/*/*/) dot_dots=../../../;;
- /*/*/*/) dot_dots=../../;;
- /*/*/) dot_dots=../;;
+ die "invalid symlink calculation: $src -> $dst";;
+ /*/*/*/*/) dot_dots=../../../;;
+ /*/*/*/) dot_dots=../../;;
+ /*/*/) dot_dots=../;;
esac;;
esac
grep -F "/${file##*/}/" "$parent/CVS/Entries" 2>/dev/null |
grep '^/[^/]*/[0-9]' > /dev/null
else
- echo "$me: no version control for $file?" >&2
+ warn_ "no version control for $file?"
false
fi
}
for file in $gnulib_files; do
symlink_to_dir "$GNULIB_SRCDIR" $file \
- || { echo "$0: failed to symlink $file" 1>&2; exit 1; }
+ || die "failed to symlink $file"
done
bootstrap_post_import_hook \
- || { echo >&2 "$me: bootstrap_post_import_hook failed"; exit 1; }
+ || 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.
-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.
-no_recursive=
case $($AUTORECONF --help) in
- *--no-recursive*) no_recursive=--no-recursive;;
+ *--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 --verbose --install $no_recursive -I $m4_base $ACLOCAL_FLAGS"
-AUTOPOINT=true LIBTOOLIZE=true \
- $AUTORECONF --verbose --install $no_recursive -I $m4_base $ACLOCAL_FLAGS \
- || exit 1
+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 $gnulib_extra_files; do
*) dst=$file;;
esac
symlink_to_dir "$GNULIB_SRCDIR" $file $dst \
- || { echo "$0: failed to symlink $file" 1>&2; exit 1; }
+ || die "failed to symlink $file"
done
if test $with_gettext = yes; then
a\
'"$XGETTEXT_OPTIONS"' $${end_of_xgettext_options+}
}
- ' po/Makevars.template >po/Makevars || exit 1
+ ' po/Makevars.template >po/Makevars \
+ || die 'cannot generate po/Makevars'
# If the 'gettext' module is in use, grab the latest Makefile.in.in.
# If only the 'gettext-h' module is in use, assume autopoint already
case $gnulib_modules in
*gettext-h*) ;;
*gettext*)
- cp $GNULIB_SRCDIR/build-aux/po/Makefile.in.in po/Makefile.in.in || exit 1
+ cp $GNULIB_SRCDIR/build-aux/po/Makefile.in.in po/Makefile.in.in \
+ || die "cannot create po/Makefile.in.in"
;;
esac
a\
'"$XGETTEXT_OPTIONS_RUNTIME"' $${end_of_xgettext_options+}
}
- ' po/Makevars.template >runtime-po/Makevars || exit 1
+ ' 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)
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