X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/01c56de45cb6b01faa84dbdf15459b1e22640921..39f5757a95b687b334165c129ec3c95ce5fec8b5:/bootstrap diff --git a/bootstrap b/bootstrap index e6c3831d..04dbfba3 100755 --- a/bootstrap +++ b/bootstrap @@ -1,14 +1,841 @@ #! /bin/sh -echo "Bootstrapping CVS Bison..." +# Bootstrap this package from checked-out sources. -autoreconf --force --install --verbose +# Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 Free +# Software Foundation, Inc. -# Because of Gettext -mv m4/Makefile.am~ m4/Makefile.am -mv Makefile.am~ Makefile.am -mv configure.in~ configure.in -touch m4/Makefile.am Makefile.am configure.in -rm po/Makevars.template +# 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 3 of the License, or +# (at your option) any later version. -autoreconf --verbose +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# 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, see . + +# Written by Paul Eggert. + +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 + +local_gl_dir=gl + +# Temporary directory names. +bt='._bootmp' +bt_regex=`echo "$bt"| sed 's/\./[.]/g'` +bt2=${bt}2 + +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 "$0: one of these is required: $find_tool_names" + exit 1 + fi + ($find_tool_res --version /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. +find_tool SHA1SUM sha1sum gsha1sum + +# 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" && . ./"$0.conf" ;; +esac + + +if test "$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 $option in + --help) + usage + exit;; + --gnulib-srcdir=*) + GNULIB_SRCDIR=`expr "X$option" : 'X--gnulib-srcdir=\(.*\)'`;; + --skip-po) + SKIP_PO=t;; + --force) + checkout_only_file=;; + --copy) + copy=true;; + *) + echo >&2 "$0: $option: unknown option" + exit 1;; + esac +done + +if test -n "$checkout_only_file" && test ! -r "$checkout_only_file"; then + echo "$0: Bootstrapping from a non-checked-out distribution is risky." >&2 + exit 1 +fi + +# 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 -u - $file | cmp - $file > /dev/null \ + || echo "$str" | sort -u - $file -o $file \ + || exit 1 +} + +# Adjust $PATTERN for $VC_IGNORE_FILE and insert it with +# insert_sorted_if_absent. +insert_vc_ignore() { + vc_ignore_file="$1" + 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 "$2" | sed s,^,/,`;; + *) + pattern="$2";; + esac + insert_sorted_if_absent "$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 '# extract version within line + s/.*[v ]\{1,\}\([0-9]\{1,\}\.[.a-z0-9-]*\).*/\1/ + t done + + # extract version at start of line + s/^\([0-9]\{1,\}\.[.a-z0-9-]*\).*/\1/ + t done + + d + + :done + #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 + # Honor $APP variables ($TAR, $AUTOCONF, etc.) + appvar=`echo $app | tr '[a-z]' '[A-Z]'` + test "$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 + ret=1 + fi + fi + done + + return $ret +} + +print_versions() { + echo "Program Min_version" + echo "----------------------" + printf "$buildreq" + echo "----------------------" + # can't depend on column -t +} + +if ! printf "$buildreq" | check_versions; then + test -f README-prereq && + echo "See README-prereq for notes on obtaining these prerequisite programs:" >&2 + echo + print_versions + exit 1 +fi + +echo "$0: Bootstrapping from checked-out $package sources..." + +# See if we can use gnulib's git-merge-changelog merge driver. +if test -d .git && (git --version) >/dev/null 2>/dev/null ; then + if git config merge.merge-changelog.driver >/dev/null ; then + : + elif (git-merge-changelog --version) >/dev/null 2>/dev/null ; then + echo "initializing git-merge-changelog driver" + git config merge.merge-changelog.name 'GNU-style ChangeLog merge driver' + git config merge.merge-changelog.driver 'git-merge-changelog %O %A %B' + else + echo "consider installing git-merge-changelog from gnulib" + fi +fi + + +cleanup_gnulib() { + status=$? + rm -fr gnulib + exit $status +} + +git_modules_config () { + test -f .gitmodules && git config --file .gitmodules "$@" +} + +# Get gnulib files. + +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 ]; then + echo "$0: getting gnulib files..." + + trap cleanup_gnulib 1 2 13 15 + + git clone --help|grep depth > /dev/null && shallow='--depth 2' || shallow= + git clone $shallow git://git.sv.gnu.org/gnulib || + cleanup_gnulib + + trap - 1 2 13 15 + fi + GNULIB_SRCDIR=gnulib + ;; +*) + # Redirect the gnulib submodule to the directory on the command line + # if possible. + if test -d "$GNULIB_SRCDIR"/.git && \ + git_modules_config submodule.gnulib.url >/dev/null; then + git submodule init + GNULIB_SRCDIR=`cd $GNULIB_SRCDIR && pwd` + git_modules_config --replace-all submodule.gnulib.url $GNULIB_SRCDIR + echo "$0: getting gnulib files..." + git submodule update || exit $? + GNULIB_SRCDIR=gnulib + fi + ;; +esac + +gnulib_tool=$GNULIB_SRCDIR/gnulib-tool +<$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"` + eval "$cmd" +} + +# Download .po files to $po_dir/.reference and copy only the new +# or modified ones into $po_dir. Also update $po_dir/LINGUAS. +update_po_files() { + # Directory containing primary .po files. + # Overwrite them only when we're sure a .po file is new. + po_dir=$1 + domain=$2 + + # Download *.po files into this dir. + # Usually contains *.s1 checksum files. + ref_po_dir="$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" + + 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 "updated $po_dir/$po.po..." + cp "$new_po" "$po_dir/$po.po" \ + && $SHA1SUM < "$new_po" > "$cksum_file" + fi + done +} + +case $SKIP_PO in +'') + 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 + +check_dst_dir() +{ + dst=$1 + # If the destination directory doesn't exist, create it. + # This is required at least for "lib/uniwidth/cjk.h". + dst_dir=`dirname "$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 $ig `echo "$dst_dir"|sed 's,.*/,,'` + done + fi +} + +symlink_to_dir() +{ + src=$1/$2 + dst=${3-$2} + + test -f "$src" && { + + check_dst_dir "$dst" + + if $copy; then + { + test ! -h "$dst" || { + echo "$0: rm -f $dst" && + rm -f "$dst" + } + } && + test -f "$dst" && + cmp -s "$src" "$dst" || { + echo "$0: cp -fp $src $dst" && + cp -fp "$src" "$dst" + } + else + test -h "$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" || { + dot_dots= + case $src in + /*) ;; + *) + case /$dst/ in + *//* | */../* | */./* | /*/*/*/*/*/) + echo >&2 "$0: invalid symlink calculation: $src -> $dst" + exit 1;; + /*/*/*/*/) dot_dots=../../../;; + /*/*/*/) dot_dots=../../;; + /*/*/) dot_dots=../;; + esac;; + esac + + echo "$0: 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 $cp_dst in + *.[ch]) c1='/* '; c2=' */';; + *.texi) c1='@c '; c2= ;; + *.m4|*/Make*|Make*) c1='# ' ; c2= ;; + *) c1= ; c2= ;; + esac + + if test -z "$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" "$cp_dst" + } + else + check_dst_dir "$cp_dst" + # 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 + 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/$file" > /dev/null 2>&1 && found=yes + elif test -d .svn; then + svn log -r HEAD "$dir/$file" > /dev/null 2>&1 && found=yes + else + echo "$0: no version control for $dir/$file?" >&2 + 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;; + .*) continue;; # FIXME: should all file names starting with "." be ignored? + esac + test -d $1/$dir/$file && continue + for excluded_file in $excluded_files; do + test "$dir/$file" = "$excluded_file" && continue 2 + done + if test $file = Makefile.am; then + copied=$copied${sep}$gnulib_mk; sep=$nl + remove_intl='/^[^#].*\/intl/s/^/#/;'"s!$bt_regex/!!g" + echo "$0: Copying $1/$dir/$file to $dir/$gnulib_mk ..." + rm -f $dir/$gnulib_mk + sed "$remove_intl" $1/$dir/$file >$dir/$gnulib_mk + etc/prefix-gnulib-mk $dir/$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 + + 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 +} + + +# Create boot temporary directories to import from gnulib and gettext. +rm -fr $bt $bt2 && +mkdir $bt $bt2 || exit + +# Import from gnulib. + +gnulib_tool_options="\ + --import\ + --no-changelog\ + --aux-dir $bt/$build_aux\ + --doc-base $bt/$doc_base\ + --lib $gnulib_name\ + --m4-base $bt/$m4_base/\ + --source-base $bt/$source_base/\ + --tests-base $bt/$tests_base\ + --local-dir $local_gl_dir\ + $gnulib_tool_option_extras\ +" +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 +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 $bt2 || exit + +# Remove any dangling symlink matching "*.m4" or "*.[ch]" in some +# gnulib-populated directories. Such .m4 files would cause aclocal to fail. +# The following requires GNU find 4.2.3 or newer. Considering the usual +# portability constraints of this script, that may seem a very demanding +# requirement, but it should be ok. Ignore any failure, which is fine, +# since this is only a convenience to help developers avoid the relatively +# unusual case in which a symlinked-to .m4 file is git-removed from gnulib +# between successive runs of this script. +find "$m4_base" "$source_base" \ + -depth \( -name '*.m4' -o -name '*.[ch]' \) \ + -type l -xtype l -delete > /dev/null 2>&1 + +# Reconfigure, getting other files. + +# Skip autoheader if it's not needed. +grep -E '^[ ]*AC_CONFIG_HEADERS?\>' configure.ac >/dev/null || + AUTOHEADER=true + +for command in \ + libtool \ + "${ACLOCAL-aclocal} --force -I m4" \ + "${AUTOCONF-autoconf} --force" \ + "${AUTOHEADER-autoheader} --force" \ + "${AUTOMAKE-automake} --add-missing --copy --force-missing" +do + if test "$command" = libtool; then + 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 + test $use_libtool = 0 \ + && continue + command="${LIBTOOLIZE-libtoolize} -c -f" + fi + echo "$0: $command ..." + $command || exit +done + + +# 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/\(.*\)'`;; + *) dst=$file;; + esac + symlink_to_dir "$GNULIB_SRCDIR" $file $dst || exit +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"'/ + /^MSGID_BUGS_ADDRESS *=/s/=.*/= '"$MSGID_BUGS_ADDRESS"'/ + /^XGETTEXT_OPTIONS *=/{ + s/$/ \\/ + a\ + '"$XGETTEXT_OPTIONS"' $${end_of_xgettext_options+} + } + ' po/Makevars.template >po/Makevars + + if test -d runtime-po; then + # Similarly for runtime-po/Makevars, but not quite the same. + rm -f runtime-po/Makevars + sed ' + /^DOMAIN *=.*/s/=.*/= '"$package"'-runtime/ + /^subdir *=.*/s/=.*/= runtime-po/ + /^MSGID_BUGS_ADDRESS *=/s/=.*/= bug-'"$package"'@gnu.org/ + /^XGETTEXT_OPTIONS *=/{ + s/$/ \\/ + a\ + '"$XGETTEXT_OPTIONS_RUNTIME"' $${end_of_xgettext_options+} + } + ' 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: +# indent-tabs-mode: nil +# End: