X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/caa52c10c577ddf4507d6db6f92085806bc848fb..465df9c65c7022a66e9cea7145b80886174e90af:/bootstrap diff --git a/bootstrap b/bootstrap index c9a2303b..e3e270b0 100755 --- a/bootstrap +++ b/bootstrap @@ -1,13 +1,15 @@ #! /bin/sh +# Print a version string. +scriptversion=2012-07-19.14; # UTC -# Bootstrap this package from CVS. +# Bootstrap this package from checked-out sources. -# Copyright (C) 2003, 2004 Free Software Foundation, Inc. +# Copyright (C) 2003-2012 Free Software Foundation, Inc. -# This program is free software; you can redistribute it and/or modify +# 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 2, or (at your option) -# any later version. +# 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 @@ -15,13 +17,260 @@ # 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, write to the Free Software -# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA -# 02111-1307, USA. +# along with this program. If not, see . -# Written by Paul Eggert. +# Originally written by Paul Eggert. The canonical version of this +# script is maintained as build-aux/bootstrap in gnulib, however, to +# be useful to your project, you should place a copy of it under +# version control in the top-level directory of your project. 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. -package=bison +# Please report bugs or propose patches to bug-gnulib@gnu.org. + +nl=' +' + +# Ensure file names are sorted consistently across platforms. +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 + +me=$0 + +usage() { + cat <&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 +gnulib_mk=gnulib.mk + +# List of gnulib modules needed. +gnulib_modules= + +# Any gnulib files needed that are not in modules. +gnulib_files= + +: ${AUTOPOINT=autopoint} +: ${AUTORECONF=autoreconf} + +# A function to be called right after gnulib-tool is run. +# Override it via your own definition in bootstrap.conf. +bootstrap_post_import_hook() { :; } + +# A function to be called after everything else in this script. +# Override it via your own definition in bootstrap.conf. +bootstrap_epilogue() { :; } + +# The command to download all .po files for a specified domain into +# a specified directory. Fill in the first %s is the domain name, and +# the second with the destination directory. Use rsync's -L and -r +# options because the latest/%s directory and the .po files within are +# all symlinks. +po_download_command_format=\ +"rsync --delete --exclude '*.s1' -Lrtvz \ + 'translationproject.org::tp/latest/%s/' '%s'" + +# Fallback for downloading .po files (if rsync fails). +po_download_command_format2=\ +"wget --mirror -nd -q -np -A.po -P '%s' \ + http://translationproject.org/latest/%s/" + +extract_package_name=' + /^AC_INIT(/{ + /.*,.*,.*, */{ + s/// + s/[][]//g + s/)$// + p + q + } + s/AC_INIT(\[*// + s/]*,.*// + s/^GNU // + y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/ + s/[^A-Za-z0-9_]/-/g + p + } +' +package=$(sed -n "$extract_package_name" configure.ac) \ + || die 'cannot find package name in configure.ac' +gnulib_name=lib$package + +build_aux=build-aux +source_base=lib +m4_base=m4 +doc_base=doc +tests_base=tests +gnulib_extra_files='' + +# Additional gnulib-tool options to use. Use "\newline" to break lines. +gnulib_tool_option_extras= + +# Other locale categories that need message catalogs. +EXTRA_LOCALE_CATEGORIES= + +# Additional xgettext options to use. Use "\\\newline" to break lines. +XGETTEXT_OPTIONS='\\\ + --flag=_:1:pass-c-format\\\ + --flag=N_:1:pass-c-format\\\ + --flag=error:3:c-format --flag=error_at_line:5:c-format\\\ +' + +# Package bug report address and copyright holder for gettext files +COPYRIGHT_HOLDER='Free Software Foundation, Inc.' +MSGID_BUGS_ADDRESS=bug-$package@gnu.org + +# Files we don't want to import. +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 + +# Whether to use copies instead of symlinks. +copy=false + +# 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 + +# Use git to update gnulib sources +use_git=true + +# 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. +# +# 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"$find_tool_res" = x; then + for i + do + if ($i --version /dev/null 2>&1; 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 2>&1 \ + || die "${find_tool_error_prefix}cannot run $find_tool_res --version" + eval "$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". +case "$0" in + */*) test -r "$0.conf" && . "$0.conf" ;; + *) 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= + test -d .git && vc_ignore=.gitignore + test -d CVS && vc_ignore="$vc_ignore .cvsignore" +fi + +# Translate configuration into internal form. # Parse options. @@ -29,227 +278,699 @@ for option do case $option in --help) - echo "$0: usage: $0 [--gnulib-srcdir=DIR] [--cvs-user=USERNAME] [--skip-po]" + usage exit;; --gnulib-srcdir=*) - GNULIB_SRCDIR=`expr "$option" : '--gnulib-srcdir=\(.*\)'`;; - --cvs-user=*) - CVS_USER=`expr "$option" : '--cvs-user=\(.*\)'`;; + 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 -echo "$0: Bootstrapping CVS $package..." +$use_git || test -d "$GNULIB_SRCDIR" \ + || die "Error: --no-git requires --gnulib-srcdir" + +if test -n "$checkout_only_file" && test ! -r "$checkout_only_file"; then + die "Bootstrapping from a non-checked-out distribution is risky." +fi + +# Ensure that lines starting with ! sort last, per gitignore conventions +# for whitelisting exceptions after a more generic blacklist pattern. +sort_patterns() { + sort -u "$@" | sed '/^!/ { + H + d + } + $ { + P + x + s/^\n// + }' | sed '/^$/d' +} -build_cvs_prefix() { - CVS_PREFIX=:${1}: - if [ "${2}" != - ]; then - CVS_PREFIX=${CVS_PREFIX}${2}@ - 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() { + 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; } \ + || die "insert_sorted_if_absent $file $str: failed" } -# Get gnulib files. +# 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" +} -case ${GNULIB_SRCDIR--} in --) - if [ ! -d gnulib ]; then - echo "$0: getting gnulib files..." +# Die if there is no AC_CONFIG_AUX_DIR($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 + +# 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 - trap exit 1 2 13 15 - trap 'rm -fr gnulib; exit 1' 0 - - case ${CVS_AUTH-anoncvs} in - anoncvs) - CVS_PREFIX='anoncvs@';; - ssh) - CVS_PREFIX="$CVS_USER${CVS_USER+@}";; - *) - echo "$0: $CVS_AUTH: Unknown CVS access method" >&2 - exit 1;; + # 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 - case $CVS_RSH in - '') export CVS_RSH=ssh;; + # 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 + } ;; 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 $? ]; then + warn_ "Error: '$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 +} - cvs -z3 -q -d ${CVS_PREFIX}subversions.gnu.org:/cvsroot/gnulib co gnulib || exit +print_versions() { + echo "Program Min_version" + echo "----------------------" + printf %s "$buildreq" + echo "----------------------" + # can't depend on column -t +} - trap 0 - fi - GNULIB_SRCDIR=gnulib +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 -<$GNULIB_SRCDIR/gnulib-tool || exit - -gnulib_modules=' -alloca -argmatch -dirname -error -getopt -hard-locale -hash -malloc -mbswidth -obstack -quote -quotearg -stdbool -stpcpy -xalloc -xstrndup -' +# When we can deduce that gnulib-tool will require patch, +# and when patch is not already listed as a prerequisite, add it, too. +if test -d "$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 + die "See README-prereq for how to get the prerequisite programs" + else + die "Please install the prerequisite programs" + fi +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 "$0: consider installing git-merge-changelog from gnulib" + fi +fi -previous_gnulib_modules= -while [ "$gnulib_modules" != "$previous_gnulib_modules" ]; do - previous_gnulib_modules=$gnulib_modules - gnulib_modules=` - (echo "$gnulib_modules" - for gnulib_module in $gnulib_modules; do - $GNULIB_SRCDIR/gnulib-tool --extract-dependencies $gnulib_module - done) | sort -u - ` -done -gnulib_files=` - (for gnulib_module in $gnulib_modules; do - $GNULIB_SRCDIR/gnulib-tool --extract-filelist $gnulib_module - done) | sort -u -` +cleanup_gnulib() { + status=$? + rm -fr "$gnulib_path" + exit $status +} -gnulib_dirs=`echo "$gnulib_files" | sed 's,/[^/]*$,,' | sort -u` -mkdir -p $gnulib_dirs || exit +git_modules_config () { + test -f .gitmodules && git config --file .gitmodules "$@" +} -for gnulib_file in $gnulib_files; do - dest=$gnulib_file +gnulib_path=$(git_modules_config submodule.gnulib.path) +test -z "$gnulib_path" && gnulib_path=gnulib - case $gnulib_file in - m4/onceonly_2_57.m4) dest=m4/onceonly.m4;; - esac +# Get gnulib files. - rm -f $dest && - echo "$0: Copying file $GNULIB_SRCDIR/$gnulib_file" && - cp -p $GNULIB_SRCDIR/$gnulib_file $dest || exit -done +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 '') - echo "$0: getting translations into po (please ignore the robots.txt ERROR 404)..." - (cd po && - rm -f dummy `ls | sed -n '/\.gmo$/p; /\.po/p'` && - wget -nv -nd -r -l 1 -A .po -C off \ - http://www2.iro.umontreal.ca/~gnutra/po/maint/$package/ && - ls *.po | sed 's/\.po$//' >LINGUAS - ) || exit;; + 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" "$dst" + } + else + # Leave any existing symlink alone, if it already points to the source, + # so that broken build tools that care about symlink times + # aren't confused into doing unnecessary builds. Conversely, if the + # existing symlink's time stamp is older than the source, make it afresh, + # so that broken tools aren't confused into skipping needed builds. See + # . + test -h "$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 + } +} -# Generate autoconf and automake snippets. - -(echo '# This file is generated automatically by "bootstrap".' && - echo 'AC_DEFUN([GNULIB_AUTOCONF_SNIPPET],[' && - $GNULIB_SRCDIR/gnulib-tool --extract-autoconf-snippet $gnulib_modules && - echo '])' -) >m4/gnulib.m4 || exit - -(echo '# This file is generated automatically by "bootstrap".' && - $GNULIB_SRCDIR/gnulib-tool --extract-automake-snippet $gnulib_modules -) >lib/gnulib.mk || exit - - -# Reconfigure, getting other files. - -echo "$0: autoreconf --verbose --install --force ..." -autoreconf --verbose --install --force || exit - - -# We don't need intl, so remove it. -# Remove aclocal.m4 too, so that it gets rebuilt. -intl_files_to_remove=' - aclocal.m4 - intl - m4/codeset.m4 - m4/glibc21.m4 - m4/intdiv0.m4 - m4/intmax.m4 - m4/inttypes_h.m4 - m4/inttypes.m4 - m4/inttypes-pri.m4 - m4/isc-posix.m4 - m4/lcmessage.m4 - m4/longdouble.m4 - m4/longlong.m4 - m4/printf-posix.m4 - m4/signed.m4 - m4/size_max.m4 - m4/stdint_h.m4 - m4/uintmax_t.m4 - m4/ulonglong.m4 - m4/wchar_t.m4 - m4/wint_t.m4 - m4/xsize.m4 -' -echo $0: rm -fr $intl_files_to_remove ... -rm -fr $intl_files_to_remove || exit - -echo "$0: patching m4/gettext.m4 so that AM_INTL_SUBDIR is empty ..." -sed ' - /^AC_DEFUN(\[AM_INTL_SUBDIR],/,/^]/c\ - AC_DEFUN([AM_INTL_SUBDIR], []) -' m4/gettext.m4 >m4/gettext.m4t && -mv m4/gettext.m4t m4/gettext.m4 || exit - -# Patch what appears to be a bug in gettext 0.14.1; -# remove this once the bug is fixed. -grep @top_builddir@ po/Makefile.in.in >/dev/null || { - echo "$0: prepending 'top_builddir=@top_builddir@' to po/Makefile.in.in ... " - old_contents=`cat po/Makefile.in.in` || exit - cat >po/Makefile.in.in < /dev/null 2>&1 + elif test -d .svn; then + svn log -r HEAD "$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 } -# Put bug-reporting address into po/Makevars. -echo "$0: sed '/^MSGID_BUGS_ADDRESS *=/s/=.*/= bug-bison@gnu.org/' po/Makevars.template >po/Makevars ..." -sed '/^MSGID_BUGS_ADDRESS *=/s/=.*/= bug-bison@gnu.org/' po/Makevars.template >po/Makevars +# 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 src/parse-gram.[ch] are out of date, rebuild them. -parse_gram_y=`find src/parse-gram.y \ - '(' -newer src/parse-gram.c -o -newer src/parse-gram.h ')' \ - -print` || exit -case $parse_gram_y in -?*) - echo "$0: warning: bootstrapping with old src/parse-gram.[ch] files." +if test $with_gettext = yes || test $use_libtool = 1; then - echo "$0: touch -c src/parse-gram.[ch] ... " - touch -c src/parse-gram.[ch] || exit + tempbase=.bootstrap$$ + trap "rm -f $tempbase.0 $tempbase.1" 1 2 13 15 - echo "$0: ./configure --disable-nls ..." - ./configure --disable-nls || exit + > $tempbase.0 > $tempbase.1 && + find . ! -type d -print | sort > $tempbase.0 || exit - echo "$0: (cd lib && make) ..." - (cd lib && make) || 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 - echo "$0: (cd src && make) ..." - (cd src && make) || exit + # 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 - echo "$0: rm -f src/parse-gram.c src/parse-gram.h ..." - rm -f src/parse-gram.c src/parse-gram.h || exit + find . ! -type d -print | sort >$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 $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 && - echo "$0: (cd src && make parse-gram.c parse-gram.h) ..." - (cd src && make parse-gram.c parse-gram.h) || exit +for file in $gnulib_files; do + symlink_to_dir "$GNULIB_SRCDIR" $file \ + || die "failed to symlink $file" +done - echo "$0: make distclean ..." - make distclean || exit;; +bootstrap_post_import_hook \ + || die "bootstrap_post_import_hook failed" + +# Remove any dangling symlink matching "*.m4" or "*.[ch]" in some +# gnulib-populated directories. Such .m4 files would cause aclocal to fail. +# The following requires GNU find 4.2.3 or newer. Considering the usual +# portability constraints of this script, that may seem a very demanding +# requirement, but it should be ok. Ignore any failure, which is fine, +# since this is only a convenience to help developers avoid the relatively +# unusual case in which a symlinked-to .m4 file is git-removed from gnulib +# between successive runs of this script. +find "$m4_base" "$source_base" \ + -depth \( -name '*.m4' -o -name '*.[ch]' \) \ + -type l -xtype l -delete > /dev/null 2>&1 + +# 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;; 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 \ + || 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 'write-file-hooks 'time-stamp) +# time-stamp-start: "scriptversion=" +# time-stamp-format: "%:y-%02m-%02d.%02H" +# time-stamp-time-zone: "UTC" +# time-stamp-end: "; # UTC" +# End: