#! /bin/sh
# Print a version string.
-scriptversion=2013-05-08.20; # UTC
+scriptversion=2014-12-08.12; # UTC
# Bootstrap this package from checked-out sources.
-# Copyright (C) 2003-2013 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() {
# 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 $? -lt 126
+}
+
# find_tool ENVVAR NAMES...
# -------------------------
# Search for a required program. Use the value of ENVVAR, if set,
-# otherwise find the first of the NAMES that can be run (i.e.,
-# supports --version). If found, set ENVVAR to the program name,
-# die otherwise.
+# otherwise find the first of the NAMES that can be run.
+# If found, set ENVVAR to the program name, die otherwise.
#
# FIXME: code duplication, see also gnu-web-doc-update.
find_tool ()
find_tool_names=$@
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
- test x"$find_tool_res" != x \
- || die "one of these is required: $find_tool_names"
- ($find_tool_res --version </dev/null) >/dev/null 2>&1 \
- || die "${find_tool_error_prefix}cannot run $find_tool_res --version"
+ if test x"$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 $find_tool_envvar"
}
-# Find sha1sum, named gsha1sum on MacPorts, and shasum on Mac OS X 10.6.
-find_tool SHA1SUM sha1sum gsha1sum shasum
-
# Override the default configuration, if necessary.
# Make sure that bootstrap.conf is sourced from the current directory
# if we were invoked as "sh bootstrap".
# Extra files from gnulib, which override files from other sources.
test -z "${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
"
die "Error: Duplicate entries in $file: " $duplicate_entries
fi
linesold=$(gitignore_entries $file | wc -l)
- linesnew=$(echo "$str" | gitignore_entries - $file | sort -u | wc -l)
+ linesnew=$( { 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"
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-$app}" ;;
esac
ret=1
continue
} ;;
+ # Another check is for perl modules. These can be written as
+ # e.g. perl::XML::XPath in case of XML::XPath module, etc.
+ perl::*)
+ # Extract module name
+ app="${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
+ if ! check_exists --verbose $app; then
warn_ "Error: '$app' not found"
ret=1
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"$SKIP_PO" = x; then
+ find_tool SHA1SUM sha1sum gsha1sum shasum sha1
+fi
+
use_libtool=0
# We'd like to use grep -E, to see if any of LT_INIT,
# AC_PROG_LIBTOOL, AM_PROG_LIBTOOL is used in configure.ac,
fi
fi
+# Warn the user if autom4te appears to be broken; this causes known
+# issues with at least gettext 0.18.3.
+probe=$(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
+
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 "$0: updating bootstrap and restarting..."
cksum_file="$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
}
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