X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/11daa4e73b862ca9f366af093bdf74cdc94e6a74..813f7d34824153ac3259fdd34fce5710d3b7606c:/bootstrap?ds=sidebyside diff --git a/bootstrap b/bootstrap index 62a8977e..e9849102 100755 --- a/bootstrap +++ b/bootstrap @@ -1,13 +1,15 @@ #! /bin/sh +# Print a version string. +scriptversion=2012-07-03.20; # UTC -# Bootstrap this package from CVS. +# Bootstrap this package from checked-out sources. -# Copyright (C) 2003, 2004, 2005, 2006 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 @@ -15,331 +17,941 @@ # 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., 51 Franklin Street, Fifth Floor, Boston, MA -# 02110-1301, 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. -# Translation Project URL, for the registry of all projects. -TP_URL='http://www.iro.umontreal.ca/translation/registry.cgi?domain=' +nl=' +' # Ensure file names are sorted consistently across platforms. -# Also, ensure diagnostics are in English, e.g., "wget --help" below. 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=$0 + +usage() { + cat </dev/null 2>&1; then + find_tool_res=$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: $find_tool_names" + exit 1 + fi + ($find_tool_res --version /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". +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. 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;; esac done -echo "$0: Bootstrapping CVS $package..." +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 + 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 [ ! -d gnulib ]; then + if git_modules_config submodule.gnulib.url >/dev/null; then echo "$0: getting gnulib files..." + git submodule init || exit $? + git submodule update || exit $? - case ${CVS_AUTH-pserver} in - pserver) - CVS_PREFIX=':pserver:anonymous@';; - ssh) - CVS_PREFIX="$CVS_USER${CVS_USER+@}";; - *) - echo "$0: $CVS_AUTH: Unknown CVS access method" >&2 - exit 1;; - esac - - case $CVS_RSH in - '') export CVS_RSH=ssh;; - esac + elif [ ! -d "$gnulib_path" ]; then + echo "$0: getting gnulib files..." trap cleanup_gnulib 1 2 13 15 - cvs -z3 -q -d ${CVS_PREFIX}cvs.savannah.gnu.org:/cvsroot/gnulib co gnulib || + 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 + 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 -gnulib_tool=$GNULIB_SRCDIR/gnulib-tool -<$gnulib_tool || exit - -gnulib_modules=' -argmatch -dirname -error -extensions -fopen-safer -getopt -gettext -hash -malloc -mbswidth -obstack -quote -quotearg -stdbool -stdint -stpcpy -strerror -strtoul -strverscmp -unistd-safer -unlocked-io -verify -xalloc -xalloc-die -xstrndup -' - -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_tool --extract-dependencies $gnulib_module - done) | sort -u - ` -done - -gnulib_files=` - (echo m4/warning.m4 - for gnulib_module in $gnulib_modules; do - $gnulib_tool --extract-filelist $gnulib_module - done) | sort -u -` - -gnulib_dirs=`echo "$gnulib_files" | sed 's,/[^/]*$,,' | sort -u` -mkdir -p $gnulib_dirs || exit - -for gnulib_file in $gnulib_files; do - dest=$gnulib_file - rm -f $dest && - echo "$0: Copying file $GNULIB_SRCDIR/$gnulib_file" && - cp -p $GNULIB_SRCDIR/$gnulib_file $dest || exit -done - -# This suppresses a bogus diagnostic -# "warning: macro `AM_LANGINFO_CODESET' not found in library". -echo "$0: patching m4/gettext.m4 to remove need for intl/* ..." -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], []) -' m4/gettext.m4 >m4/gettext_gl.m4 || exit +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. -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" +} - echo "$0: getting translations into $subdir for $domain..." - (cd $subdir && rm -f dummy `ls | sed -n '/\.gmo$/p; /\.po/p'`) && - - $WGET_COMMAND -O "$subdir/$domain.html" "$TP_URL$domain" && - - sed -n 's|.*"http://[^"]*/translation/teams/PO/\([^/"]*\)/'"$domain"'-\([^/"]*\)\.[^."]*\.po".*|\1.\2|p' <"$subdir/$domain.html" | - sort -k 1,1 -k 2,2n -k2,2 -k3,3n -k3,3 -k4,4n -k4,4 -k5,5n -k5.5 | - awk -F. ' - { if (lang && $1 != lang) print lang, ver } - { lang = $1; ver = substr($0, index($0, ".") + 1) } - END { if (lang) print lang, ver } - ' | awk -v domain="$domain" -v subdir="$subdir" ' - { - lang = $1 - - # Work around bugs in Bison 2.3 translations uncovered by gettext 0.15. - # This workaround can be removed once the translations are fixed. - if (lang == "id" || lang == "tr") next +# 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 - ver = $2 - urlfmt = "" - printf "$WGET_COMMAND -O %s/%s.po 'http://www.iro.umontreal.ca/translation/teams/PO/%s/%s-%s.%s.po' &&\n", subdir, lang, lang, domain, ver, lang - } - END { print ":" } - ' | sh && - ls "$subdir"/*.po | sed 's|.*/||; s|\.po$||' >"$subdir/LINGUAS" && - rm "$subdir/$domain.html" + # Mirror *.po files into this dir. + # Usually contains *.s1 checksum files. + ref_po_dir="$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 '') - case `wget --help` in - *'--no-cache'*) - no_cache='--no-cache';; - *'--cache=on/off'*) - no_cache='--cache=off';; - *) - no_cache='';; - esac - - WGET_COMMAND="wget -nv $no_cache" - export WGET_COMMAND - - get_translations po $package || exit + if test -d po; then + update_po_files po $package || exit + fi - case $package in - bison) - get_translations runtime-po $package-runtime || exit - esac;; + if test -d runtime-po; then + update_po_files runtime-po $package-runtime || exit + fi;; esac - -# Generate autoconf and automake snippets. - -(echo '# This file is generated automatically by "bootstrap".' && - echo 'AC_DEFUN([GNULIB_AUTOCONF_SNIPPET],[' && - $gnulib_tool --extract-autoconf-snippet $gnulib_modules | - sed 's/AM_GNU_GETTEXT(\[external]/&, [need-ngettext]/' && - echo '])' -) >m4/gnulib.m4 || exit - -(echo '# This file is generated automatically by "bootstrap".' && - $gnulib_tool --extract-automake-snippet $gnulib_modules | - sed 's/^[ ]*AM_CPPFLAGS[ ]*+=/# (commented out by bootstrap) &/' -) >lib/gnulib.mk || exit - - -# Reconfigure, getting other files. - -echo "$0: autopoint --force ..." -autopoint --force || exit - -# We don't need intl, so remove it. -intl_files_to_remove=' - intl - m4/codeset.m4 - m4/gettext.m4 - m4/glibc2.m4 - m4/glibc21.m4 - m4/intdiv0.m4 - m4/intmax.m4 - m4/inttypes-h.m4 - m4/inttypes-pri.m4 - m4/lcmessage.m4 - m4/lock.m4 - m4/longdouble.m4 - m4/printf-posix.m4 - m4/signed.m4 - m4/size_max.m4 - m4/visibility.m4 - m4/wint_t.m4 - m4/xsize.m4 -' -echo $0: rm -fr $intl_files_to_remove ... -rm -fr $intl_files_to_remove || exit - - -# Undo changes to gnulib files that autoreconf made. -for gnulib_file in $gnulib_files; do - test ! -f $gnulib_file || cmp -s $gnulib_file $GNULIB_SRCDIR/$gnulib_file || { - rm -f $gnulib_file && - echo "$0: Copying file $GNULIB_SRCDIR/$gnulib_file again" && - cp -p $GNULIB_SRCDIR/$gnulib_file $gnulib_file || exit +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 + *//* | */../* | */./* | /*/*/*/*/*/) + 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 } -done +} -# Make sure aclocal.m4 is not older than input files. -sleep 1 +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 + fi +} -for command in \ - 'aclocal --force -I m4' \ - 'autoconf --force' \ - 'autoheader --force' \ - 'automake --add-missing --copy --force-missing'; -do - echo "$0: $command ..." - $command || 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. +# Import from gettext. +with_gettext=yes +grep '^[ ]*AM_GNU_GETTEXT_VERSION(' configure.ac >/dev/null || \ + with_gettext=no -# Put bug-reporting address into po/Makevars. -echo "$0: Creating po/Makevars from po/Makevars.template ..." -sed ' - /^MSGID_BUGS_ADDRESS *=/s/=.*/= bug-bison@gnu.org/ - /^XGETTEXT_OPTIONS *=/{ - s/$/ \\/ - a\ - --flag=_:1:pass-c-format \\\ - --flag=N_:1:pass-c-format \\\ - --flag=error:3:c-format --flag=error_at_line:5:c-format \\\ - --flag=warn:1:c-format --flag=warn_at:2:c-format \\\ - --flag=complain:1:c-format --flag=complain_at:2:c-format \\\ - --flag=fatal:1:c-format --flag=fatal_at:2:c-format - } -' po/Makevars.template >po/Makevars +if test $with_gettext = yes || test $use_libtool = 1; then -# Likewise for runtime-po/Makevars, except also change a few other parameters. -sed ' - s/^\(DOMAIN\) *=.*/\1 = bison-runtime/ - s/^\(subdir\) *=.*/\1 = runtime-po/ - s/^\(XGETTEXT_OPTIONS\) *=.*/\1 = --keyword=YY_/ -' runtime-po/Makevars + tempbase=.bootstrap$$ + trap "rm -f $tempbase.0 $tempbase.1" 1 2 13 15 -# Copy identical files from po to runtime-po. -(cd po && cp -p Makefile.in.in *-quot *.header *.sed *.sin ../runtime-po) + > $tempbase.0 > $tempbase.1 && + find . ! -type d -print | sort > $tempbase.0 || exit -# 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; 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: touch -c src/parse-gram.[ch] ... " - touch -c src/parse-gram.[ch] || 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 "$0: ./configure --disable-nls ..." - ./configure --disable-nls || exit + find . ! -type d -print | sort >$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 && + +for file in $gnulib_files; do + symlink_to_dir "$GNULIB_SRCDIR" $file \ + || { echo "$0: failed to symlink $file" 1>&2; exit 1; } +done - echo "$0: (cd lib && make) ..." - (cd lib && make) || exit +bootstrap_post_import_hook \ + || { echo >&2 "$me: bootstrap_post_import_hook failed"; exit 1; } + +# 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 - echo "$0: (cd src && make) ..." - (cd src && make) || exit +# Tell autoreconf not to invoke autopoint or libtoolize; they were run above. +echo "running: AUTOPOINT=true LIBTOOLIZE=true " \ + "$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 + +# 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 \ + || { echo "$0: failed to symlink $file" 1>&2; exit 1; } +done - echo "$0: rm -f src/parse-gram.c src/parse-gram.h ..." - rm -f src/parse-gram.c src/parse-gram.h || exit +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"' $${end_of_xgettext_options+} + } + ' po/Makevars.template >po/Makevars || exit 1 + + # If the 'gettext' module is in use, grab the latest Makefile.in.in. + # If only the 'gettext-h' module is in use, assume autopoint already + # put the correct version of this file into place. + case $gnulib_modules in + *gettext-h*) ;; + *gettext*) + cp $GNULIB_SRCDIR/build-aux/po/Makefile.in.in po/Makefile.in.in || exit 1 + ;; + esac - echo "$0: (cd src && make parse-gram.c parse-gram.h) ..." - (cd src && make parse-gram.c parse-gram.h) || exit + if test -d runtime-po; then + # Similarly for runtime-po/Makevars, but not quite the same. + rm -f runtime-po/Makevars + sed ' + /^DOMAIN *=.*/s/=.*/= '"$package"'-runtime/ + /^subdir *=.*/s/=.*/= runtime-po/ + /^MSGID_BUGS_ADDRESS *=/s/=.*/= bug-'"$package"'@gnu.org/ + /^XGETTEXT_OPTIONS *=/{ + s/$/ \\/ + a\ + '"$XGETTEXT_OPTIONS_RUNTIME"' $${end_of_xgettext_options+} + } + ' po/Makevars.template >runtime-po/Makevars || exit 1 + + # Copy identical files from po to runtime-po. + (cd po && cp -p Makefile.in.in *-quot *.header *.sed *.sin ../runtime-po) + fi +fi - echo "$0: make distclean ..." - make distclean || exit;; -esac +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: