X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/86996fca101c629ef197313a1058df26e01df950..7e508a2b2d494f32d171ac9376a80ae2b75480c3:/bootstrap diff --git a/bootstrap b/bootstrap index 2b3f24b3..31eb651f 100755 --- a/bootstrap +++ b/bootstrap @@ -1,10 +1,10 @@ #! /bin/sh # Print a version string. -scriptversion=2010-10-08.16; # UTC +scriptversion=2012-02-11.09; # UTC # Bootstrap this package from checked-out sources. -# Copyright (C) 2003-2010 Free Software Foundation, Inc. +# Copyright (C) 2003-2012 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 @@ -38,28 +38,32 @@ export LC_ALL local_gl_dir=gl -# Temporary directory names. -bt='._bootmp' -bt_regex=`echo "$bt"| sed 's/\./[.]/g'` -bt2=${bt}2 +me=$0 usage() { cat <&2 "$0: one of these is required: $find_tool_names" + echo >&2 "$me: 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 $find_tool_res --version" + echo >&2 "$me: ${find_tool_error_prefix}cannot run $find_tool_res --version" exit 1 } eval "$find_tool_envvar=\$find_tool_res" @@ -214,6 +222,18 @@ case "$0" in *) 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/missing + $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= @@ -239,28 +259,71 @@ do 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 +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 -u - $file | cmp - $file > /dev/null \ - || echo "$str" | sort -u - $file -o $file \ + echo "$str" | sort_patterns - $file | cmp - $file > /dev/null \ + || { echo "$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 \ @@ -279,7 +342,7 @@ if test ! -d $build_aux; then mkdir $build_aux for dot_ig in x $vc_ignore; do test $dot_ig = x && continue - insert_sorted_if_absent $dot_ig $build_aux + insert_vc_ignore $dot_ig $build_aux done fi @@ -329,17 +392,18 @@ get_version() { $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 + sed -n '# Move version to start of line. + s/.*[v ]\([0-9]\)/\1/ + + # Skip lines that do not start with version. + /^[0-9]/!d - # extract version at start of line - s/^\([0-9]\{1,\}\.[.a-z0-9-]*\).*/\1/ - t done + # Remove characters after the version. + s/[^.a-z0-9-].*// - d + # The first component must be digits only. + s/^\([0-9]*\)[a-z-].*/\1/ - :done #the following essentially does s/5.005/5.5/ s/\.0*\([1-9]\)/.\1/g p @@ -354,21 +418,39 @@ check_versions() { if test "$app" = libtool; then app=libtoolize fi + # Exempt git if --no-git is in effect. + if test "$app" = git; then + $use_git || continue + fi # Honor $APP variables ($TAR, $AUTOCONF, etc.) - appvar=`echo $app | tr '[a-z]-' '[A-Z]_'` + appvar=`echo $app | LC_ALL=C tr '[a-z]-' '[A-Z]_'` test "$appvar" = TAR && appvar=AMTAR - eval "app=\${$appvar-$app}" - inst_ver=$(get_version $app) - if [ ! "$inst_ver" ]; then - echo "Error: '$app' not found" >&2 - ret=1 - elif [ ! "$req_ver" = "-" ]; then - latest_ver=$(sort_ver $req_ver $inst_ver | cut -d' ' -f2) - if [ ! "$latest_ver" = "$inst_ver" ]; then - echo "Error: '$app' version == $inst_ver is too old" >&2 - echo " '$app' version >= $req_ver is required" >&2 + case $appvar in + GZIP) ;; # Do not use $GZIP: it contains gzip options. + *) eval "app=\${$appvar-$app}" ;; + esac + if [ "$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 @@ -395,12 +477,38 @@ 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 + : +else + case $buildreq in + *patch*) ;; + *) buildreq="patch - +$buildreq" ;; + esac +fi + if ! printf "$buildreq" | check_versions; then echo >&2 if test -f README-prereq; then - echo "See README-prereq for how to get the prerequisite programs" >&2 + echo "$0: See README-prereq for how to get the prerequisite programs" >&2 else - echo "Please install the prerequisite programs" >&2 + echo "$0: Please install the prerequisite programs" >&2 fi exit 1 fi @@ -412,11 +520,11 @@ 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" + echo "$0: initializing git-merge-changelog driver" git config merge.merge-changelog.name 'GNU-style ChangeLog merge driver' git config merge.merge-changelog.driver 'git-merge-changelog %O %A %B' else - echo "consider installing git-merge-changelog from gnulib" + echo "$0: consider installing git-merge-changelog from gnulib" fi fi @@ -432,7 +540,7 @@ git_modules_config () { } gnulib_path=`git_modules_config submodule.gnulib.path` -: ${gnulib_path=gnulib} +test -z "$gnulib_path" && gnulib_path=gnulib # Get gnulib files. @@ -485,16 +593,29 @@ case ${GNULIB_SRCDIR--} in ;; 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 +<$gnulib_tool || exit $? # Get translations. download_po_files() { subdir=$1 domain=$2 - echo "$0: getting translations into $subdir for $domain..." + echo "$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 "$cmd" } @@ -527,7 +648,7 @@ update_po_files() { ! test -f "$po_dir/$po.po" || ! $SHA1SUM -c --status "$cksum_file" \ < "$new_po" > /dev/null; then - echo "updated $po_dir/$po.po..." + echo "$me: updated $po_dir/$po.po..." cp "$new_po" "$po_dir/$po.po" \ && $SHA1SUM < "$new_po" > "$cksum_file" fi @@ -565,34 +686,42 @@ symlink_to_dir() for dot_ig in x $vc_ignore; do test $dot_ig = x && continue ig=$parent/$dot_ig - insert_sorted_if_absent $ig `echo "$dst_dir"|sed 's,.*/,,'` + insert_vc_ignore $ig `echo "$dst_dir"|sed 's,.*/,,'` done fi if $copy; then { test ! -h "$dst" || { - echo "$0: rm -f $dst" && + echo "$me: rm -f $dst" && rm -f "$dst" } } && test -f "$dst" && cmp -s "$src" "$dst" || { - echo "$0: cp -fp $src $dst" && + echo "$me: cp -fp $src $dst" && cp -fp "$src" "$dst" } else + # Leave any existing symlink alone, if it already points to the source, + # so that broken build tools that care about symlink times + # aren't confused into doing unnecessary builds. Conversely, if the + # existing symlink's time stamp is older than the source, make it afresh, + # so that broken tools aren't confused into skipping needed builds. See + # . test -h "$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" = "$dst_i" || { + test "$src_i" = "$dst_i" && + both_ls=`ls -dt "$src" "$dst"` && + test "X$both_ls" = "X$dst$nl$src" || { dot_dots= case $src in /*) ;; *) case /$dst/ in *//* | */../* | */./* | /*/*/*/*/*/) - echo >&2 "$0: invalid symlink calculation: $src -> $dst" + echo >&2 "$me: invalid symlink calculation: $src -> $dst" exit 1;; /*/*/*/*/) dot_dots=../../../;; /*/*/*/) dot_dots=../../;; @@ -600,63 +729,39 @@ symlink_to_dir() esac;; esac - echo "$0: ln -fs $dot_dots$src $dst" && + echo "$me: ln -fs $dot_dots$src $dst" && ln -fs "$dot_dots$src" "$dst" } fi } } -cp_mark_as_generated() -{ - cp_src=$1 - cp_dst=$2 +# NOTE: we have to be careful to run both autopoint and libtoolize +# before gnulib-tool, since gnulib-tool is likely to provide newer +# versions of files "installed" by these two programs. +# Then, *after* gnulib-tool (see below), we have to be careful to +# run autoreconf in such a way that it does not run either of these +# two just-pre-run programs. - if cmp -s "$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 $cp_dst in - *.[ch]) c1='/* '; c2=' */';; - *.texi) c1='@c '; c2= ;; - *.m4|*/Make*|Make*) c1='# ' ; c2= ;; - *) c1= ; c2= ;; - esac +# Import from gettext. +with_gettext=yes +grep '^[ ]*AM_GNU_GETTEXT_VERSION(' configure.ac >/dev/null || \ + with_gettext=no - # If the destination directory doesn't exist, create it. - # This is required at least for "lib/uniwidth/cjk.h". - dst_dir=`dirname "$cp_dst"` - test -d "$dst_dir" || mkdir -p "$dst_dir" - - if test -z "$c1"; then - cmp -s "$cp_src" "$cp_dst" || { - # Copy the file first to get proper permissions if it - # doesn't already exist. Then overwrite the copy. - echo "$0: cp -f $cp_src $cp_dst" && - rm -f "$cp_dst" && - cp "$cp_src" "$cp_dst-t" && - sed "s!$bt_regex/!!g" "$cp_src" > "$cp_dst-t" && - mv -f "$cp_dst-t" "$cp_dst" - } - else - # Copy the file first to get proper permissions if it - # doesn't already exist. Then overwrite the copy. - cp "$cp_src" "$cp_dst-t" && - ( - echo "$c1-*- buffer-read-only: t -*- vi: set ro:$c2" && - echo "${c1}DO NOT EDIT! GENERATED AUTOMATICALLY!$c2" && - sed "s!$bt_regex/!!g" "$cp_src" - ) > $cp_dst-t && - if cmp -s "$cp_dst-t" "$cp_dst"; then - rm -f "$cp_dst-t" - else - echo "$0: cp $cp_src $cp_dst # with edits" && - mv -f "$cp_dst-t" "$cp_dst" - fi - fi - fi -} +if test $with_gettext = yes; then + # Released autopoint has the tendency to install macros that have been + # obsoleted in current gnulib, so run this before gnulib-tool. + echo "$0: $AUTOPOINT --force" + $AUTOPOINT --force || exit +fi + +# Autoreconf runs aclocal before libtoolize, which causes spurious +# warnings if the initial aclocal is confused by the libtoolized +# (or worse out-of-date) macro directory. +if test $use_libtool = 1; then + echo "running: $LIBTOOLIZE --copy --install" + $LIBTOOLIZE --copy --install +fi version_controlled_file() { dir=$1 @@ -670,101 +775,22 @@ version_controlled_file() { elif test -d .svn; then svn log -r HEAD "$dir/$file" > /dev/null 2>&1 && found=yes else - echo "$0: no version control for $dir/$file?" >&2 + echo "$me: 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;; - # FIXME: should all file names starting with "." be ignored? - .*) continue;; - esac - test -d $1/$dir/$file && continue - for excluded_file in $excluded_files; do - test "$dir/$file" = "$excluded_file" && continue 2 - done - if test $file = Makefile.am && test "X$gnulib_mk" != XMakefile.am; then - copied=$copied${sep}$gnulib_mk; sep=$nl - remove_intl='/^[^#].*\/intl/s/^/#/;'"s!$bt_regex/!!g" - sed "$remove_intl" $1/$dir/$file | - cmp - $dir/$gnulib_mk > /dev/null || { - echo "$0: Copying $1/$dir/$file to $dir/$gnulib_mk ..." && - rm -f $dir/$gnulib_mk && - sed "$remove_intl" $1/$dir/$file >$dir/$gnulib_mk && - gnulib_mk_hook $dir/$gnulib_mk - } - elif { test "${2+set}" = set && test -r $2/$dir/$file; } || - version_controlled_file $dir $file; then - echo "$0: $dir/$file overrides $1/$dir/$file" - else - copied=$copied$sep$file; sep=$nl - if test $file = gettext.m4; then - echo "$0: patching m4/gettext.m4 to remove need for intl/* ..." - rm -f $dir/$file - sed ' - /^AC_DEFUN(\[AM_INTL_SUBDIR],/,/^]/c\ - AC_DEFUN([AM_INTL_SUBDIR], []) - /^AC_DEFUN(\[gt_INTL_SUBDIR_CORE],/,/^]/c\ - AC_DEFUN([gt_INTL_SUBDIR_CORE], []) - $a\ - AC_DEFUN([gl_LOCK_EARLY], []) - ' $1/$dir/$file >$dir/$file - else - cp_mark_as_generated $1/$dir/$file $dir/$file - fi - fi || exit - done - - for dot_ig in x $vc_ignore; do - test $dot_ig = x && continue - ig=$dir/$dot_ig - if test -n "$copied"; then - insert_sorted_if_absent $ig "$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_sorted_if_absent $ig "$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_sorted_if_absent $ig "$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\ + --aux-dir $build_aux\ + --doc-base $doc_base\ --lib $gnulib_name\ - --m4-base $bt/$m4_base/\ - --source-base $bt/$source_base/\ - --tests-base $bt/$tests_base\ + --m4-base $m4_base/\ + --source-base $source_base/\ + --tests-base $tests_base\ --local-dir $local_gl_dir\ $gnulib_tool_option_extras\ " @@ -776,25 +802,13 @@ if test $use_libtool = 1; then fi echo "$0: $gnulib_tool $gnulib_tool_options --import ..." $gnulib_tool $gnulib_tool_options --import $gnulib_modules && -slurp $bt || exit for file in $gnulib_files; do symlink_to_dir "$GNULIB_SRCDIR" $file || exit done - -# Import from gettext. -with_gettext=yes -grep '^[ ]*AM_GNU_GETTEXT_VERSION(' configure.ac >/dev/null || \ - with_gettext=no - -if test $with_gettext = yes; then - echo "$0: (cd $bt2; ${AUTOPOINT-autopoint}) ..." - cp configure.ac $bt2 && - (cd $bt2 && ${AUTOPOINT-autopoint} && rm configure.ac) && - slurp $bt2 $bt || exit -fi -rm -fr $bt $bt2 || exit +bootstrap_post_import_hook \ + || { echo >&2 "$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. @@ -808,28 +822,21 @@ 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 $ACLOCAL_FLAGS" \ - "${AUTOCONF-autoconf} --force" \ - "${AUTOHEADER-autoheader} --force" \ - "${AUTOMAKE-automake} --add-missing --copy --force-missing" -do - if test "$command" = libtool; then - test $use_libtool = 0 \ - && continue - command="${LIBTOOLIZE-libtoolize} -c -f" - fi - echo "$0: $command ..." - $command || exit -done +# Some systems (RHEL 5) are using ancient autotools, for which the +# --no-recursive option had not been invented. Detect that lack and +# omit the option when it's not supported. FIXME in 2017: remove this +# hack when RHEL 5 autotools are updated, or when they become irrelevant. +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 \ + || exit 1 # Get some extra files from gnulib, overriding existing files. for file in $gnulib_extra_files; do