X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/9aacab9ae9a16465284768f4014dc08b26819180..9b5049bd074ec26af9e216fd95eb8d618e3601a4:/bootstrap diff --git a/bootstrap b/bootstrap index 85d06a23..53d7f287 100755 --- a/bootstrap +++ b/bootstrap @@ -2,8 +2,7 @@ # Bootstrap this package from checked-out sources. -# Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008 Free Software Foundation, -# Inc. +# Copyright (C) 2003-2010 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 @@ -36,28 +35,29 @@ bt_regex=`echo "$bt"| sed 's/\./[.]/g'` bt2=${bt}2 usage() { - echo >&2 "\ + cat </dev/null 2>&1; then - find_tool_res=$i - break + find_tool_res=$i + break fi done + else + find_tool_error_prefix="\$$find_tool_envvar: " fi if test x"$find_tool_res" = x; then - echo >&2 "$0: $find_tool_name is required" + 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: cannot run $find_tool_res --version" + echo >&2 "$0: ${find_tool_error_prefix}cannot run $find_tool_res --version" exit 1 } - eval "$find_tool_envvar=\"$find_tool_res\"" + eval "$find_tool_envvar=\$find_tool_res" eval "export $find_tool_envvar" } @@ -172,7 +193,13 @@ find_tool () find_tool SHA1SUM sha1sum gsha1sum # Override the default configuration, if necessary. -test -r bootstrap.conf && . ./bootstrap.conf +# 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= @@ -191,9 +218,7 @@ do usage exit;; --gnulib-srcdir=*) - GNULIB_SRCDIR=`expr "$option" : '--gnulib-srcdir=\(.*\)'`;; - --cvs-user=*) - CVS_USER=`expr "$option" : '--cvs-user=\(.*\)'`;; + GNULIB_SRCDIR=`expr "X$option" : 'X--gnulib-srcdir=\(.*\)'`;; --skip-po) SKIP_PO=t;; --force) @@ -211,13 +236,13 @@ if test -n "$checkout_only_file" && test ! -r "$checkout_only_file"; then exit 1 fi -# If each line in $STR is not already on a line by itself in $FILE, insert it, +# 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 -s - $file \ + echo "$str" | sort -u - $file | cmp - $file > /dev/null \ || echo "$str" | sort -u - $file -o $file \ || exit 1 } @@ -259,43 +284,171 @@ if test ! -d $build_aux; then 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 [ ! -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 - '') CVS_RSH=ssh; export CVS_RSH;; - esac + elif [ ! -d gnulib ]; then + echo "$0: getting gnulib files..." trap cleanup_gnulib 1 2 13 15 - cvs -z3 -q -d ${CVS_PREFIX}pserver.git.sv.gnu.org:/gnulib.git co -d gnulib HEAD || + 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 @@ -328,13 +481,20 @@ update_po_files() { && ls "$ref_po_dir"/*.po 2>/dev/null | sed 's|.*/||; s|\.po$||' > "$po_dir/LINGUAS" - for po in `cd $ref_po_dir && echo *.po|sed 's/\.po//g'`; do - new_po="$ref_po_dir/$po.po" - cksum_file="$ref_po_dir/$po.s1" - if ! "$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 + 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 } @@ -381,37 +541,37 @@ symlink_to_dir() if $copy; then { - test ! -h "$dst" || { - echo "$0: rm -f $dst" && - rm -f "$dst" - } + 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" + 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" + 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 } @@ -436,9 +596,13 @@ cp_mark_as_generated() if test -z "$c1"; then cmp -s "$cp_src" "$cp_dst" || { - echo "$0: cp -f $cp_src $cp_dst" && - rm -f "$cp_dst" && - sed "s!$bt_regex/!!g" "$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" @@ -446,15 +610,15 @@ cp_mark_as_generated() # 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" + 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" + rm -f "$cp_dst-t" else - echo "$0: cp $cp_src $cp_dst # with edits" && - mv -f "$cp_dst-t" "$cp_dst" + echo "$0: cp $cp_src $cp_dst # with edits" && + mv -f "$cp_dst-t" "$cp_dst" fi fi fi @@ -466,9 +630,11 @@ version_controlled_file() { found=no if test -d CVS; then grep -F "/$file/" $dir/CVS/Entries 2>/dev/null | - grep '^/[^/]*/[0-9]' > /dev/null && found=yes + grep '^/[^/]*/[0-9]' > /dev/null && found=yes elif test -d .git; then - git-rm -n "$dir/$file" > /dev/null 2>&1 && found=yes + git rm -n "$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 @@ -486,35 +652,34 @@ slurp() { esac test -d $1/$dir/$file && continue for excluded_file in $excluded_files; do - test "$dir/$file" = "$excluded_file" && continue 2 + 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" - sed "$remove_intl" $1/$dir/$file | cmp -s - $dir/$gnulib_mk || { - echo "$0: Copying $1/$dir/$file to $dir/$gnulib_mk ..." && - rm -f $dir/$gnulib_mk && - sed "$remove_intl" $1/$dir/$file >$dir/$gnulib_mk - } + copied=$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" + 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 + 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 @@ -522,18 +687,18 @@ slurp() { 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 _.h, then also add - # the name with just ".h". Many gnulib headers are generated, - # e.g., stdint_.h -> stdint.h, dirent_.h ->..., etc. - # Likewise for .gperf -> .h, .y -> .c, and .sin -> .sed - f=`echo "$copied"|sed 's/_\.h$/.h/;s/\.sin$/.sed/;s/\.y$/.c/;s/\.gperf$/.h/'` - insert_vc_ignore $ig "$f" - - # For files like sys_stat_.h and sys_time_.h, record as - # ignorable the directory we might eventually create: sys/. - f=`echo "$copied"|sed 's/sys_.*_\.h$/sys/'` - insert_vc_ignore $ig "$f" + 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 @@ -550,13 +715,13 @@ gnulib_tool_options="\ --import\ --no-changelog\ --aux-dir $bt/$build_aux\ - --doc-base $bt/doc\ + --doc-base $bt/$doc_base\ --lib $gnulib_name\ - --m4-base $bt/m4/\ - --source-base $bt/lib/\ - --tests-base $bt/tests\ + --m4-base $bt/$m4_base/\ + --source-base $bt/$source_base/\ + --tests-base $bt/$tests_base\ --local-dir $local_gl_dir\ -$gnulib_tool_option_extras\ + $gnulib_tool_option_extras\ " echo "$0: $gnulib_tool $gnulib_tool_options --import ..." $gnulib_tool $gnulib_tool_options --import $gnulib_modules && @@ -573,46 +738,50 @@ grep '^[ ]*AM_GNU_GETTEXT_VERSION(' configure.ac >/dev/null || \ with_gettext=no if test $with_gettext = yes; then - echo "$0: (cd $bt2; autopoint) ..." + echo "$0: (cd $bt2; ${AUTOPOINT-autopoint}) ..." cp configure.ac $bt2 && - (cd $bt2 && autopoint && rm configure.ac) && + (cd $bt2 && ${AUTOPOINT-autopoint} && rm configure.ac) && slurp $bt2 $bt || exit - - rm -fr $bt $bt2 || exit -fi - -# Coreutils is unusual in that it generates some of its test-related -# Makefile.am files. That must be done before invoking automake. -mam_template=tests/Makefile.am.in -if test -f $mam_template; then - PERL=perl - for tool in cut head join pr sort tac tail test tr uniq wc; do - m=tests/$tool/Makefile.am - t=${m}t - rm -f $m $t - sed -n '1,/^##test-files-begin/p' $mam_template > $t - echo "x = $tool" >> $t - srcdir=tests/$tool - $PERL -I$srcdir -w -- tests/mk-script $srcdir --list >> $t - sed -n '/^##test-files-end/,$p' $mam_template >> $t - chmod -w $t - mv $t $m - done 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 --force -I m4' \ - 'autoconf --force' \ - 'autoheader --force' \ - 'automake --add-missing --copy --force-missing'; + "${ACLOCAL-aclocal} --force -I m4" \ + "${AUTOCONF-autoconf} --force" \ + "${AUTOHEADER-autoheader} --force" \ + "${AUTOMAKE-automake} --add-missing --copy --force-missing" do if test "$command" = libtool; then - grep '^[ ]*AM_PROG_LIBTOOL\>' configure.ac >/dev/null || - continue - command='libtoolize -c -f' + 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 @@ -635,11 +804,11 @@ if test $with_gettext = yes; then rm -f po/Makevars sed ' /^EXTRA_LOCALE_CATEGORIES *=/s/=.*/= '"$EXTRA_LOCALE_CATEGORIES"'/ - /^MSGID_BUGS_ADDRESS *=/s/=.*/= bug-'"$package"'@gnu.org/ + /^MSGID_BUGS_ADDRESS *=/s/=.*/= '"$MSGID_BUGS_ADDRESS"'/ /^XGETTEXT_OPTIONS *=/{ s/$/ \\/ a\ - '"$XGETTEXT_OPTIONS"' $${end_of_xgettext_options+} + '"$XGETTEXT_OPTIONS"' $${end_of_xgettext_options+} } ' po/Makevars.template >po/Makevars @@ -651,9 +820,9 @@ if test $with_gettext = yes; then /^subdir *=.*/s/=.*/= runtime-po/ /^MSGID_BUGS_ADDRESS *=/s/=.*/= bug-'"$package"'@gnu.org/ /^XGETTEXT_OPTIONS *=/{ - s/$/ \\/ - a\ - '"$XGETTEXT_OPTIONS_RUNTIME"' $${end_of_xgettext_options+} + s/$/ \\/ + a\ + '"$XGETTEXT_OPTIONS_RUNTIME"' $${end_of_xgettext_options+} } ' runtime-po/Makevars @@ -662,4 +831,10 @@ if test $with_gettext = yes; then fi fi +bootstrap_epilogue + echo "$0: done. Now you can run './configure'." + +# Local Variables: +# indent-tabs-mode: nil +# End: