X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/2075a82a18ad334ec61ba777d0d61de08e2b64cb..41c11ce484cb75b3db12e602bd0169e17b3f4aaf:/bootstrap diff --git a/bootstrap b/bootstrap index 72090116..e00c8bbb 100755 --- a/bootstrap +++ b/bootstrap @@ -1,9 +1,10 @@ #! /bin/sh +# Print a version string. +scriptversion=2012-07-10.09; # UTC # Bootstrap this package from checked-out sources. -# Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009 -# 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 @@ -18,48 +19,91 @@ # You should have received a copy of the GNU General Public License # 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. + +# Please report bugs or propose patches to bug-gnulib@gnu.org. 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 -# Temporary directory names. -bt='._bootmp' -bt_regex=`echo "$bt"| sed 's/\./[.]/g'` -bt2=${bt}2 +me=$0 usage() { - echo >&2 "\ -Usage: $0 [OPTION]... + 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 @@ -71,19 +115,37 @@ gnulib_modules= # Any gnulib files needed that are not in modules. gnulib_files= +: ${AUTOPOINT=autopoint} +: ${AUTORECONF=autoreconf} + +# A function to be called right after gnulib-tool is run. +# Override it via your own definition in bootstrap.conf. +bootstrap_post_import_hook() { :; } + +# A function to be called after everything else in this script. +# Override it via your own definition in bootstrap.conf. +bootstrap_epilogue() { :; } + # The command to download all .po files for a specified domain into # a specified directory. Fill in the first %s is the domain name, and # the second with the destination directory. Use rsync's -L and -r # options because the latest/%s directory and the .po files within are # all symlinks. po_download_command_format=\ -"rsync -Lrtvz 'translationproject.org::tp/latest/%s/' '%s'" +"rsync --delete --exclude '*.s1' -Lrtvz \ + 'translationproject.org::tp/latest/%s/' '%s'" + +# Fallback for downloading .po files (if rsync fails). +po_download_command_format2=\ +"wget --mirror -nd -q -np -A.po -P '%s' \ + http://translationproject.org/latest/%s/" extract_package_name=' /^AC_INIT(/{ - /.*,.*,.*,/{ + /.*,.*,.*, */{ s/// s/[][]//g + s/)$// p q } @@ -95,21 +157,16 @@ extract_package_name=' p } ' -package=`sed -n "$extract_package_name" configure.ac` || exit +package=$(sed -n "$extract_package_name" configure.ac) \ + || die 'cannot find package name in configure.ac' gnulib_name=lib$package build_aux=build-aux -# Extra files from gnulib, which override files from other sources. -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 - $build_aux/config.sub - doc/INSTALL -" +source_base=lib +m4_base=m4 +doc_base=doc +tests_base=tests +gnulib_extra_files='' # Additional gnulib-tool options to use. Use "\newline" to break lines. gnulib_tool_option_extras= @@ -124,12 +181,16 @@ XGETTEXT_OPTIONS='\\\ --flag=error:3:c-format --flag=error_at_line:5:c-format\\\ ' +# Package bug report address and copyright holder for gettext files +COPYRIGHT_HOLDER='Free Software Foundation, Inc.' +MSGID_BUGS_ADDRESS=bug-$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=HACKING +checkout_only_file=README-hacking # Whether to use copies instead of symlinks. copy=false @@ -140,39 +201,66 @@ copy=false # 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. find_tool () { - # Find sha1sum, named gsha1sum on MacPorts. find_tool_envvar=$1 shift - if eval test x"\$$find_tool_envvar" = x; then + 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=$i - break + find_tool_res=$i + break fi done + else + find_tool_error_prefix="\$$find_tool_envvar: " fi - if test x"$find_tool_res" = x; then - echo >&2 "$0: $find_tool_name is required" - exit 1 - fi - ($find_tool_res --version /dev/null 2>&1 || { - echo >&2 "$0: cannot run $find_tool_res --version" - exit 1 - } - eval "$find_tool_envvar=\"$find_tool_res\"" + test x"$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. -find_tool SHA1SUM sha1sum gsha1sum +# 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. -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" && . ./"$0.conf" ;; +esac + +# Extra files from gnulib, which override files from other sources. +test -z "${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= @@ -191,48 +279,68 @@ do 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 +$use_git || test -d "$GNULIB_SRCDIR" \ + || die "Error: --no-git requires --gnulib-srcdir" + if test -n "$checkout_only_file" && test ! -r "$checkout_only_file"; then - echo "$0: Bootstrapping from a non-checked-out distribution is risky." >&2 - exit 1 + die "Bootstrapping from a non-checked-out distribution is risky." fi -# If each line in $STR is not already on a line by itself in $FILE, insert it, +# Ensure that lines starting with ! sort last, per gitignore conventions +# for whitelisting exceptions after a more generic blacklist pattern. +sort_patterns() { + sort -u "$@" | 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 -s - $file \ - || echo "$str" | sort -u - $file -o $file \ - || exit 1 + echo "$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" } # 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 "$2" | sed s,^,/,`;; - *) - pattern="$2";; + # A .gitignore entry that does not start with '/' applies + # recursively to subdirectories, so prepend '/' to every + # .gitignore entry. + pattern=$(echo "$pattern" | sed s,^,/,);; esac insert_sorted_if_absent "$vc_ignore_file" "$pattern" } @@ -243,11 +351,8 @@ 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 +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. @@ -259,96 +364,326 @@ if test ! -d $build_aux; then done fi -echo "$0: Bootstrapping from checked-out $package sources..." +# 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 $1" + fi + fi + break + fi + i=$(($i+1)) + done +} -cleanup_gnulib() { - status=$? - rm -fr gnulib - exit $status +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' } -# See if we can use gnulib's git-merge-changelog merge driver. +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} + ($app --version | grep '(GNU automake-ng)') >/dev/null 2>&1 || { + warn_ "Error: '$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 $ret +} + +print_versions() { + echo "Program Min_version" + echo "----------------------" + printf %s "$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 + 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 "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 "$0: consider installing git-merge-changelog from gnulib" fi fi + +cleanup_gnulib() { + status=$? + 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 $CVS_RSH in - '') CVS_RSH=ssh; export CVS_RSH;; - esac + elif [ ! -d "$gnulib_path" ]; 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 || + 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 +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 $domain..." - cmd=`printf "$po_download_command_format" "$domain" "$subdir"` + 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" } -# Download .po files to $po_dir/.reference and copy only the new +# 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=$2 - # Download *.po files into this dir. + # Mirror *.po files into this dir. # Usually contains *.s1 checksum files. ref_po_dir="$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" - - 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 + 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 } @@ -363,27 +698,6 @@ case $SKIP_PO in 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/$2 @@ -391,256 +705,213 @@ symlink_to_dir() test -f "$src" && { - check_dst_dir "$dst" + # If the destination directory doesn't exist, create it. + # This is required at least for "lib/uniwidth/cjk.h". + dst_dir=$(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 "$0: rm -f $dst" && - rm -f "$dst" - } + test ! -h "$dst" || { + echo "$me: rm -f $dst" && + rm -f "$dst" + } } && test -f "$dst" && cmp -s "$src" "$dst" || { - echo "$0: cp -fp $src $dst" && - cp -fp "$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" || { - 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" + 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 } } -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" || { - echo "$0: cp -f $cp_src $cp_dst" && - rm -f "$cp_dst" && - sed "s!$bt_regex/!!g" "$cp_src" > "$cp_dst" - } - else - check_dst_dir "$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 + parent=$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/$file" > /dev/null 2>&1 && found=yes + if test -d .git; then + git rm -n "$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 "$0: no version control for $dir/$file?" >&2 + warn_ "no version control for $file?" + false 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" - 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/$gnulib_mk - } - elif { test "${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 +# 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. - 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 _.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" - fi - done - done -} +# Import from gettext. +with_gettext=yes +grep '^[ ]*AM_GNU_GETTEXT_VERSION(' configure.ac >/dev/null || \ + with_gettext=no + +if test $with_gettext = yes || test $use_libtool = 1; then + + tempbase=.bootstrap$$ + trap "rm -f $tempbase.0 $tempbase.1" 1 2 13 15 + + > $tempbase.0 > $tempbase.1 && + find . ! -type d -print | sort > $tempbase.0 || 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 -# Create boot temporary directories to import from gnulib and gettext. -rm -fr $bt $bt2 && -mkdir $bt $bt2 || 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 $install --copy + fi + + find . ! -type d -print | sort >$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 $bt/$build_aux\ - --doc-base $bt/doc\ + --aux-dir $build_aux\ + --doc-base $doc_base\ --lib $gnulib_name\ - --m4-base $bt/m4/\ - --source-base $bt/lib/\ - --tests-base $bt/tests\ + --m4-base $m4_base/\ + --source-base $source_base/\ + --tests-base $tests_base\ --local-dir $local_gl_dir\ -$gnulib_tool_option_extras\ + $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 && -slurp $bt || exit for file in $gnulib_files; do - symlink_to_dir "$GNULIB_SRCDIR" $file || exit + symlink_to_dir "$GNULIB_SRCDIR" $file \ + || die "failed to symlink $file" done +bootstrap_post_import_hook \ + || die "bootstrap_post_import_hook failed" + +# Remove any dangling symlink matching "*.m4" or "*.[ch]" in some +# gnulib-populated directories. Such .m4 files would cause aclocal to fail. +# The following requires GNU find 4.2.3 or newer. Considering the usual +# portability constraints of this script, that may seem a very demanding +# requirement, but it should be ok. Ignore any failure, which is fine, +# since this is only a convenience to help developers avoid the relatively +# unusual case in which a symlinked-to .m4 file is git-removed from gnulib +# between successive runs of this script. +find "$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 -# 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) ..." - cp configure.ac $bt2 && - (cd $bt2 && 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 $m - done -fi - -# Reconfigure, getting other files. - -for command in \ - libtool \ - 'aclocal --force -I m4' \ - 'autoconf --force' \ - 'autoheader --force' \ - 'automake --add-missing --copy --force-missing'; -do - if test "$command" = libtool; then - grep '^[ ]*AM_PROG_LIBTOOL\>' configure.ac >/dev/null || - continue - command='libtoolize -c -f' - fi - echo "$0: $command ..." - $command || exit -done - +# Tell autoreconf not to invoke autopoint or libtoolize; they were run above. +echo "running: AUTOPOINT=true LIBTOOLIZE=true " \ + "$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/`expr "$file" : 'build-aux/\(.*\)'`;; + build-aux/*) dst=$build_aux/${file#build-aux/};; *) dst=$file;; esac - symlink_to_dir "$GNULIB_SRCDIR" $file $dst || exit + symlink_to_dir "$GNULIB_SRCDIR" $file $dst \ + || die "failed to symlink $file" done if test $with_gettext = yes; then @@ -649,13 +920,26 @@ if test $with_gettext = yes; then rm -f po/Makevars sed ' /^EXTRA_LOCALE_CATEGORIES *=/s/=.*/= '"$EXTRA_LOCALE_CATEGORIES"'/ - /^MSGID_BUGS_ADDRESS *=/s/=.*/= bug-'"$package"'@gnu.org/ + /^COPYRIGHT_HOLDER *=/s/=.*/= '"$COPYRIGHT_HOLDER"'/ + /^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 + ' 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. @@ -665,15 +949,26 @@ 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 + ' 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: