#! /bin/sh
# Print a version string.
-scriptversion=2010-10-08.16; # UTC
+scriptversion=2014-12-08.12; # UTC
# Bootstrap this package from checked-out sources.
-# Copyright (C) 2003-2010 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
LC_ALL=C
export LC_ALL
+# 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
+
local_gl_dir=gl
-# Temporary directory names.
-bt='._bootmp'
-bt_regex=`echo "$bt"| sed 's/\./[.]/g'`
-bt2=${bt}2
+# Honour $PERL, but work even if there is none
+PERL="${PERL-perl}"
+
+me=$0
usage() {
cat <<EOF
-Usage: $0 [OPTION]...
+Usage: $me [OPTION]...
Bootstrap this package from the checked-out sources.
Options:
- --gnulib-srcdir=DIRNAME Specify the local directory where gnulib
+ --gnulib-srcdir=DIRNAME specify 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. Defaults to \$GNULIB_SRCDIR.
- --copy Copy files instead of creating symbolic links.
- --force Attempt to bootstrap even if the sources seem
- not to have been checked out.
- --skip-po Do not download po files.
-
-If the file $0.conf exists in the same directory as this script, its
+ them again. Defaults to \$GNULIB_SRCDIR
+ --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 point to a correct gnulib snapshot
+ --skip-po do not download po files
+
+If the file $me.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
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
# Any gnulib files needed that are not in modules.
gnulib_files=
-# A function to be called to edit gnulib.mk right after it's created.
+: ${AUTOPOINT=autopoint}
+: ${AUTORECONF=autoreconf}
+
+# A function to be called right after gnulib-tool is run.
# Override it via your own definition in bootstrap.conf.
-gnulib_mk_hook() { :; }
+bootstrap_post_import_hook() { :; }
# A function to be called after everything else in this script.
# Override it via your own definition in bootstrap.conf.
"rsync --delete --exclude '*.s1' -Lrtvz \
'translationproject.org::tp/latest/%s/' '%s'"
+# Fallback for downloading .po files (if rsync fails).
+po_download_command_format2=\
+"wget --mirror -nd -q -np -A.po -P '%s' \
+ http://translationproject.org/latest/%s/"
+
+# Prefer a non-empty tarname (4th argument of AC_INIT if given), else
+# fall back to the package name (1st argument with munging)
extract_package_name='
- /^AC_INIT(/{
- /.*,.*,.*, */{
- s///
- s/[][]//g
- s/)$//
+ /^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
m4_base=m4
doc_base=doc
tests_base=tests
-
-# Extra files from gnulib, which override files from other sources.
-gnulib_extra_files="
- $build_aux/install-sh
- $build_aux/missing
- $build_aux/mdate-sh
- $build_aux/texinfo.tex
- $build_aux/depcomp
- $build_aux/config.guess
- $build_aux/config.sub
- doc/INSTALL
-"
+gnulib_extra_files=''
# Additional gnulib-tool options to use. Use "\newline" to break lines.
gnulib_tool_option_extras=
# 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
+
+# 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 "$0: 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 "$0: ${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 MacOS 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".
*) test -r "$0.conf" && . ./"$0.conf" ;;
esac
+# Extra files from gnulib, which override files from other sources.
+test -z "${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
+ doc/INSTALL
+"
if test "$vc_ignore" = auto; then
vc_ignore=
usage
exit;;
--gnulib-srcdir=*)
- GNULIB_SRCDIR=`expr "X$option" : 'X--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: $option: unknown option"
- exit 1;;
+ die "$option: unknown option";;
esac
done
+$use_git || test -d "$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
-# If $STR is not already on a line by itself in $FILE, insert it,
-# sorting the new contents of the file and replacing $FILE with the result.
-insert_sorted_if_absent() {
+# Strip blank and comment lines to leave significant entries.
+gitignore_entries() {
+ sed '/^#/d; /^$/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 $file
- echo "$str" | sort -u - $file | cmp - $file > /dev/null \
- || echo "$str" | sort -u - $file -o $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"
case $vc_ignore_file in
*.gitignore)
- # A .gitignore entry that does not start with `/' applies
- # recursively to subdirectories, so prepend `/' to every
+ # A .gitignore entry that does not start with '/' applies
+ # recursively to subdirectories, so prepend '/' to every
# .gitignore entry.
- pattern=`echo "$pattern" | sed s,^,/,`;;
+ 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 '# extract version within line
- s/.*[v ]\{1,\}\([0-9]\{1,\}\.[.a-z0-9-]*\).*/\1/
- t done
+ sed -n '# Move version to start of line.
+ s/.*[v ]\([0-9]\)/\1/
- # extract version at start of line
- s/^\([0-9]\{1,\}\.[.a-z0-9-]*\).*/\1/
- t done
+ # Skip lines that do not start with version.
+ /^[0-9]/!d
- d
+ # Remove characters after the version.
+ s/[^.a-z0-9-].*//
+
+ # The first component must be digits only.
+ s/^\([0-9]*\)[a-z-].*/\1/
- :done
#the following essentially does s/5.005/5.5/
s/\.0*\([1-9]\)/.\1/g
p
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 $app | tr '[a-z]-' '[A-Z]_'`
+ appvar=$(echo $app | LC_ALL=C tr '[a-z]-' '[A-Z]_')
test "$appvar" = TAR && appvar=AMTAR
- eval "app=\${$appvar-$app}"
- inst_ver=$(get_version $app)
- if [ ! "$inst_ver" ]; then
- echo "Error: '$app' not found" >&2
- ret=1
- elif [ ! "$req_ver" = "-" ]; then
- latest_ver=$(sort_ver $req_ver $inst_ver | cut -d' ' -f2)
- if [ ! "$latest_ver" = "$inst_ver" ]; then
- echo "Error: '$app' version == $inst_ver is too old" >&2
- echo " '$app' version >= $req_ver is required" >&2
+ 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 >= $req_ver is required"
+ ret=1
+ fi
+ fi
fi
done
# can't depend on column -t
}
+# Find sha1sum, named gsha1sum on MacPorts, shasum on Mac OS X 10.6.
+# Also find the compatible sha1 utility on the BSDs
+if test x"$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,
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 "$buildreq" | check_versions; then
echo >&2
if test -f README-prereq; then
- echo "See README-prereq for how to get the prerequisite programs" >&2
+ die "See README-prereq for how to get the prerequisite programs"
else
- echo "Please install the prerequisite programs" >&2
+ die "Please install the prerequisite programs"
fi
- exit 1
+fi
+
+# Warn the user if autom4te appears to be broken; this causes known
+# issues with at least gettext 0.18.3.
+probe=$(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
- echo "initializing git-merge-changelog driver"
+ 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 "consider installing git-merge-changelog from gnulib"
+ echo "$0: consider installing git-merge-changelog from gnulib"
fi
fi
test -f .gitmodules && git config --file .gitmodules "$@"
}
-gnulib_path=`git_modules_config submodule.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}" "$@"' \
+ $ignored "$GNULIB_SRCDIR/build-aux/bootstrap" \
+ "$0" "$@" --no-bootstrap-sync
+ }
+fi
+
gnulib_tool=$GNULIB_SRCDIR/gnulib-tool
-<$gnulib_tool || exit
+<$gnulib_tool || exit $?
# Get translations.
download_po_files() {
subdir=$1
domain=$2
- echo "$0: getting translations into $subdir for $domain..."
- cmd=`printf "$po_download_command_format" "$domain" "$subdir"`
+ 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 "$cmd"
}
&& ls "$ref_po_dir"/*.po 2>/dev/null |
sed 's|.*/||; s|\.po$||' > "$po_dir/LINGUAS" || return
- langs=`cd $ref_po_dir && echo *.po|sed 's/\.po//g'`
+ langs=$(cd $ref_po_dir && echo *.po | sed 's/\.po//g')
test "$langs" = '*' && langs=x
for po in $langs; do
case $po in x) continue;; esac
cksum_file="$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 "updated $po_dir/$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"
+ && $SHA1SUM < "$new_po" > "$cksum_file" || return
fi
done
}
# If the destination directory doesn't exist, create it.
# This is required at least for "lib/uniwidth/cjk.h".
- dst_dir=`dirname "$dst"`
+ 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 "$dst_dir"`
+ parent=$(dirname "$dst_dir")
for dot_ig in x $vc_ignore; do
test $dot_ig = x && continue
ig=$parent/$dot_ig
- insert_vc_ignore $ig `echo "$dst_dir"|sed 's,.*/,,'`
+ insert_vc_ignore $ig "${dst_dir##*/}"
done
fi
if $copy; then
{
test ! -h "$dst" || {
- echo "$0: rm -f $dst" &&
+ echo "$me: rm -f $dst" &&
rm -f "$dst"
}
} &&
test -f "$dst" &&
cmp -s "$src" "$dst" || {
- echo "$0: cp -fp $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" = "$dst_i" || {
+ src_ls=$(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 "$0: 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
- echo "$0: ln -fs $dot_dots$src $dst" &&
+ echo "$me: ln -fs $dot_dots$src $dst" &&
ln -fs "$dot_dots$src" "$dst"
}
fi
}
}
-cp_mark_as_generated()
-{
- cp_src=$1
- cp_dst=$2
-
- if cmp -s "$cp_src" "$GNULIB_SRCDIR/$cp_dst"; then
- symlink_to_dir "$GNULIB_SRCDIR" "$cp_dst"
- elif cmp -s "$cp_src" "$local_gl_dir/$cp_dst"; then
- symlink_to_dir $local_gl_dir "$cp_dst"
- else
- case $cp_dst in
- *.[ch]) c1='/* '; c2=' */';;
- *.texi) c1='@c '; c2= ;;
- *.m4|*/Make*|Make*) c1='# ' ; c2= ;;
- *) c1= ; c2= ;;
- esac
-
- # If the destination directory doesn't exist, create it.
- # This is required at least for "lib/uniwidth/cjk.h".
- dst_dir=`dirname "$cp_dst"`
- test -d "$dst_dir" || mkdir -p "$dst_dir"
-
- if test -z "$c1"; then
- cmp -s "$cp_src" "$cp_dst" || {
- # Copy the file first to get proper permissions if it
- # doesn't already exist. Then overwrite the copy.
- echo "$0: cp -f $cp_src $cp_dst" &&
- rm -f "$cp_dst" &&
- cp "$cp_src" "$cp_dst-t" &&
- sed "s!$bt_regex/!!g" "$cp_src" > "$cp_dst-t" &&
- mv -f "$cp_dst-t" "$cp_dst"
- }
- else
- # Copy the file first to get proper permissions if it
- # doesn't already exist. Then overwrite the copy.
- cp "$cp_src" "$cp_dst-t" &&
- (
- echo "$c1-*- buffer-read-only: t -*- vi: set ro:$c2" &&
- echo "${c1}DO NOT EDIT! GENERATED AUTOMATICALLY!$c2" &&
- sed "s!$bt_regex/!!g" "$cp_src"
- ) > $cp_dst-t &&
- if cmp -s "$cp_dst-t" "$cp_dst"; then
- rm -f "$cp_dst-t"
- else
- echo "$0: cp $cp_src $cp_dst # with edits" &&
- mv -f "$cp_dst-t" "$cp_dst"
- fi
- fi
- fi
-}
-
version_controlled_file() {
- dir=$1
+ parent=$1
file=$2
- found=no
- if test -d CVS; then
- grep -F "/$file/" $dir/CVS/Entries 2>/dev/null |
- grep '^/[^/]*/[0-9]' > /dev/null && found=yes
- elif test -d .git; then
- git rm -n "$dir/$file" > /dev/null 2>&1 && found=yes
+ if test -d .git; then
+ git rm -n "$file" > /dev/null 2>&1
elif test -d .svn; then
- svn log -r HEAD "$dir/$file" > /dev/null 2>&1 && found=yes
+ 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 "$0: no version control for $dir/$file?" >&2
+ warn_ "no version control for $file?"
+ false
fi
- test $found = yes
}
-slurp() {
- for dir in . `(cd $1 && find * -type d -print)`; do
- copied=
- sep=
- for file in `ls -a $1/$dir`; do
- case $file in
- .|..) continue;;
- # FIXME: should all file names starting with "." be ignored?
- .*) continue;;
- esac
- test -d $1/$dir/$file && continue
- for excluded_file in $excluded_files; do
- test "$dir/$file" = "$excluded_file" && continue 2
- done
- if test $file = Makefile.am && test "X$gnulib_mk" != XMakefile.am; then
- copied=$copied${sep}$gnulib_mk; sep=$nl
- remove_intl='/^[^#].*\/intl/s/^/#/;'"s!$bt_regex/!!g"
- sed "$remove_intl" $1/$dir/$file |
- cmp - $dir/$gnulib_mk > /dev/null || {
- echo "$0: Copying $1/$dir/$file to $dir/$gnulib_mk ..." &&
- rm -f $dir/$gnulib_mk &&
- sed "$remove_intl" $1/$dir/$file >$dir/$gnulib_mk &&
- gnulib_mk_hook $dir/$gnulib_mk
- }
- elif { test "${2+set}" = set && test -r $2/$dir/$file; } ||
- version_controlled_file $dir $file; then
- echo "$0: $dir/$file overrides $1/$dir/$file"
- else
- copied=$copied$sep$file; sep=$nl
- if test $file = gettext.m4; then
- echo "$0: patching m4/gettext.m4 to remove need for intl/* ..."
- rm -f $dir/$file
- sed '
- /^AC_DEFUN(\[AM_INTL_SUBDIR],/,/^]/c\
- AC_DEFUN([AM_INTL_SUBDIR], [])
- /^AC_DEFUN(\[gt_INTL_SUBDIR_CORE],/,/^]/c\
- AC_DEFUN([gt_INTL_SUBDIR_CORE], [])
- $a\
- AC_DEFUN([gl_LOCK_EARLY], [])
- ' $1/$dir/$file >$dir/$file
- else
- cp_mark_as_generated $1/$dir/$file $dir/$file
- fi
- fi || exit
- done
+# 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.
- for dot_ig in x $vc_ignore; do
- test $dot_ig = x && continue
- ig=$dir/$dot_ig
- if test -n "$copied"; then
- insert_vc_ignore $ig "$copied"
- # If an ignored file name ends with .in.h, then also add
- # the name with just ".h". Many gnulib headers are generated,
- # e.g., stdint.in.h -> stdint.h, dirent.in.h ->..., etc.
- # Likewise for .gperf -> .h, .y -> .c, and .sin -> .sed
- f=`echo "$copied" |
- sed '
- s/\.in\.h$/.h/
- s/\.sin$/.sed/
- s/\.y$/.c/
- s/\.gperf$/.h/
- '
- `
- insert_vc_ignore $ig "$f"
-
- # For files like sys_stat.in.h and sys_time.in.h, record as
- # ignorable the directory we might eventually create: sys/.
- f=`echo "$copied"|sed 's/sys_.*\.in\.h$/sys/'`
- insert_vc_ignore $ig "$f"
- fi
- done
- done
-}
+# 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" 1 2 13 15
+ > $tempbase.0 > $tempbase.1 &&
+ find . ! -type d -print | sort > $tempbase.0 || exit
+
+ 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 || exit
+ 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
-# Create boot temporary directories to import from gnulib and gettext.
-rm -fr $bt $bt2 &&
-mkdir $bt $bt2 || exit
+ find . ! -type d -print | sort >$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 - 1 2 13 15
+fi
# Import from gnulib.
gnulib_tool_options="\
--import\
--no-changelog\
- --aux-dir $bt/$build_aux\
- --doc-base $bt/$doc_base\
+ --aux-dir $build_aux\
+ --doc-base $doc_base\
--lib $gnulib_name\
- --m4-base $bt/$m4_base/\
- --source-base $bt/$source_base/\
- --tests-base $bt/$tests_base\
+ --m4-base $m4_base/\
+ --source-base $source_base/\
+ --tests-base $tests_base\
--local-dir $local_gl_dir\
$gnulib_tool_option_extras\
"
fi
echo "$0: $gnulib_tool $gnulib_tool_options --import ..."
$gnulib_tool $gnulib_tool_options --import $gnulib_modules &&
-slurp $bt || exit
for file in $gnulib_files; do
- symlink_to_dir "$GNULIB_SRCDIR" $file || exit
+ symlink_to_dir "$GNULIB_SRCDIR" $file \
+ || die "failed to symlink $file"
done
-
-# Import from gettext.
-with_gettext=yes
-grep '^[ ]*AM_GNU_GETTEXT_VERSION(' configure.ac >/dev/null || \
- with_gettext=no
-
-if test $with_gettext = yes; then
- echo "$0: (cd $bt2; ${AUTOPOINT-autopoint}) ..."
- cp configure.ac $bt2 &&
- (cd $bt2 && ${AUTOPOINT-autopoint} && rm configure.ac) &&
- slurp $bt2 $bt || exit
-fi
-rm -fr $bt $bt2 || exit
+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.
-depth \( -name '*.m4' -o -name '*.[ch]' \) \
-type l -xtype l -delete > /dev/null 2>&1
-# Reconfigure, getting other files.
-
-# Skip autoheader if it's not needed.
-grep -E '^[ ]*AC_CONFIG_HEADERS?\>' configure.ac >/dev/null ||
- AUTOHEADER=true
+# Invoke autoreconf with --force --install to ensure upgrades of tools
+# such as ylwrap.
+AUTORECONFFLAGS="--verbose --install --force -I $m4_base $ACLOCAL_FLAGS"
-for command in \
- libtool \
- "${ACLOCAL-aclocal} --force -I m4 $ACLOCAL_FLAGS" \
- "${AUTOCONF-autoconf} --force" \
- "${AUTOHEADER-autoheader} --force" \
- "${AUTOMAKE-automake} --add-missing --copy --force-missing"
-do
- if test "$command" = libtool; then
- test $use_libtool = 0 \
- && continue
- command="${LIBTOOLIZE-libtoolize} -c -f"
- fi
- echo "$0: $command ..."
- $command || exit
-done
+# 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/`expr "$file" : 'build-aux/\(.*\)'`;;
+ build-aux/*) dst=$build_aux/${file#build-aux/};;
*) dst=$file;;
esac
- symlink_to_dir "$GNULIB_SRCDIR" $file $dst || exit
+ symlink_to_dir "$GNULIB_SRCDIR" $file $dst \
+ || die "failed to symlink $file"
done
if test $with_gettext = yes; then
a\
'"$XGETTEXT_OPTIONS"' $${end_of_xgettext_options+}
}
- ' po/Makevars.template >po/Makevars || exit 1
+ ' po/Makevars.template >po/Makevars \
+ || die 'cannot generate po/Makevars'
+
+ # If the 'gettext' module is in use, grab the latest Makefile.in.in.
+ # If only the 'gettext-h' module is in use, assume autopoint already
+ # put the correct version of this file into place.
+ case $gnulib_modules in
+ *gettext-h*) ;;
+ *gettext*)
+ cp $GNULIB_SRCDIR/build-aux/po/Makefile.in.in po/Makefile.in.in \
+ || die "cannot create po/Makefile.in.in"
+ ;;
+ esac
if test -d runtime-po; then
# Similarly for runtime-po/Makevars, but not quite the same.
a\
'"$XGETTEXT_OPTIONS_RUNTIME"' $${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)