X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/e503b9cbbebde5e0ecccdcc864969b9a609b940d..a06344172a724834ea865ca2da6f685df584daf5:/bootstrap diff --git a/bootstrap b/bootstrap index 8c8d777d..2fdf2674 100755 --- a/bootstrap +++ b/bootstrap @@ -1,10 +1,10 @@ #! /bin/sh # Print a version string. -scriptversion=2010-10-08.16; # UTC +scriptversion=2014-12-08.12; # UTC # Bootstrap this package from checked-out sources. -# Copyright (C) 2003-2010 Free Software Foundation, Inc. +# Copyright (C) 2003-2015 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 @@ -36,30 +36,41 @@ nl=' 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 +# Honour $PERL, but work even if there is none +PERL="${PERL-perl}" + +me=$0 usage() { 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 @@ -80,9 +118,12 @@ gnulib_modules= # Any gnulib files needed that are not in modules. gnulib_files= -# A function to be called to edit gnulib.mk right after it's created. +: ${AUTOPOINT=autopoint} +: ${AUTORECONF=autoreconf} + +# A function to be called right after gnulib-tool is run. # Override it via your own definition in bootstrap.conf. -gnulib_mk_hook() { :; } +bootstrap_post_import_hook() { :; } # A function to be called after everything else in this script. # Override it via your own definition in bootstrap.conf. @@ -97,24 +138,31 @@ po_download_command_format=\ "rsync --delete --exclude '*.s1' -Lrtvz \ 'translationproject.org::tp/latest/%s/' '%s'" +# Fallback for downloading .po files (if rsync fails). +po_download_command_format2=\ +"wget --mirror -nd -q -np -A.po -P '%s' \ + http://translationproject.org/latest/%s/" + +# Prefer a non-empty tarname (4th argument of AC_INIT if given), else +# fall back to the package name (1st argument with munging) extract_package_name=' - /^AC_INIT(/{ - /.*,.*,.*, */{ - s/// - s/[][]//g - s/)$// + /^AC_INIT(\[*/{ + s/// + /^[^,]*,[^,]*,[^,]*,[ []*\([^][ ,)]\)/{ + s//\1/ + s/[],)].*// p q } - s/AC_INIT(\[*// - s/]*,.*// + s/[],)].*// s/^GNU // y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/ - s/[^A-Za-z0-9_]/-/g + s/[^abcdefghijklmnopqrstuvwxyz0123456789_]/-/g 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 @@ -122,18 +170,7 @@ source_base=lib m4_base=m4 doc_base=doc tests_base=tests - -# 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 -" +gnulib_extra_files='' # Additional gnulib-tool options to use. Use "\newline" to break lines. gnulib_tool_option_extras= @@ -168,12 +205,35 @@ 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 + +check_exists() { + if test "$1" = "--verbose"; then + ($2 --version /dev/null 2>&1 + if test $? -ge 126; then + # If not found, run with diagnostics as one may be + # presented with env variables to set to find the right version + ($2 --version /dev/null 2>&1 + fi + + test $? -lt 126 +} + # 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. +# otherwise find the first of the NAMES that can be run. +# If found, set ENVVAR to the program name, die otherwise. +# +# FIXME: code duplication, see also gnu-web-doc-update. find_tool () { find_tool_envvar=$1 @@ -181,31 +241,21 @@ find_tool () find_tool_names=$@ 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 + for i; do + if check_exists $i; then + find_tool_res=$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 + warn_ "one of these is required: $find_tool_names;" + die "alternatively set $find_tool_envvar to a compatible tool" fi - ($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, and shasum on MacOS 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". @@ -214,6 +264,17 @@ 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/mdate-sh + build-aux/texinfo.tex + build-aux/depcomp + build-aux/config.guess + build-aux/config.sub + doc/INSTALL +" if test "$vc_ignore" = auto; then vc_ignore= @@ -232,48 +293,70 @@ do usage exit;; --gnulib-srcdir=*) - GNULIB_SRCDIR=`expr "X$option" : 'X--gnulib-srcdir=\(.*\)'`;; + 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 $STR is not already on a line by itself in $FILE, insert it, -# sorting the new contents of the file and replacing $FILE with the result. -insert_sorted_if_absent() { +# Strip blank and comment lines to leave significant entries. +gitignore_entries() { + sed '/^#/d; /^$/d' "$@" +} + +# If $STR is not already on a line by itself in $FILE, insert it at the start. +# Entries are inserted at the start of the ignore list to ensure existing +# entries starting with ! are not overridden. Such entries support +# whitelisting exceptions after a more generic blacklist pattern. +insert_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 + test -r $file || die "Error: failed to read ignore file: $file" + duplicate_entries=$(gitignore_entries $file | sort | uniq -d) + if [ "$duplicate_entries" ] ; then + die "Error: Duplicate entries in $file: " $duplicate_entries + fi + linesold=$(gitignore_entries $file | wc -l) + linesnew=$( { echo "$str"; cat $file; } | gitignore_entries | sort -u | wc -l) + if [ $linesold != $linesnew ] ; then + { echo "$str" | cat - $file > $file.bak && mv $file.bak $file; } \ + || die "insert_if_absent $file $str: failed" + fi } # Adjust $PATTERN for $VC_IGNORE_FILE and insert it with -# insert_sorted_if_absent. +# insert_if_absent. insert_vc_ignore() { vc_ignore_file="$1" pattern="$2" case $vc_ignore_file in *.gitignore) - # A .gitignore entry that does not start with `/' applies - # recursively to subdirectories, so prepend `/' to every + # A .gitignore entry that does not start with '/' applies + # recursively to subdirectories, so prepend '/' to every # .gitignore entry. - pattern=`echo "$pattern" | sed s,^,/,`;; + pattern=$(echo "$pattern" | sed s,^,/,);; esac - insert_sorted_if_absent "$vc_ignore_file" "$pattern" + insert_if_absent "$vc_ignore_file" "$pattern" } # Die if there is no AC_CONFIG_AUX_DIR($build_aux) line in configure.ac. @@ -282,11 +365,8 @@ 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. @@ -341,20 +421,21 @@ sort_ver() { # sort -V is not generally available get_version() { app=$1 - $app --version >/dev/null 2>&1 || return 1 + $app --version >/dev/null 2>&1 || { $app --version; 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/ - # extract version at start of line - s/^\([0-9]\{1,\}\.[.a-z0-9-]*\).*/\1/ - t done + # Skip lines that do not start with version. + /^[0-9]/!d - d + # Remove characters after the version. + s/[^.a-z0-9-].*// + + # 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 @@ -369,21 +450,67 @@ 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 $GZIP: it contains gzip options. + PERL::*) ;; # Keep perl modules as-is + *) eval "app=\${$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 + } ;; + # Another check is for perl modules. These can be written as + # e.g. perl::XML::XPath in case of XML::XPath module, etc. + perl::*) + # Extract module name + app="${app#perl::}" + if ! $PERL -m"$app" -e 'exit 0' >/dev/null 2>&1; then + warn_ "Error: perl module '$app' not found" + ret=1 + fi + continue + ;; + esac + if [ "$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. + if ! check_exists --verbose $app; then + warn_ "Error: '$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 >= $req_ver is required" + ret=1 + fi + fi fi done @@ -398,6 +525,12 @@ print_versions() { # can't depend on column -t } +# Find sha1sum, named gsha1sum on MacPorts, shasum on Mac OS X 10.6. +# Also find the compatible sha1 utility on the BSDs +if test x"$SKIP_PO" = x; then + find_tool SHA1SUM sha1sum gsha1sum shasum sha1 +fi + 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, @@ -410,28 +543,59 @@ 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 "$buildreq" | check_versions; then echo >&2 if test -f README-prereq; then - echo "See README-prereq for how to get the prerequisite programs" >&2 + die "See README-prereq for how to get the prerequisite programs" else - echo "Please install the prerequisite programs" >&2 + die "Please install the prerequisite programs" fi - exit 1 +fi + +# Warn the user if autom4te appears to be broken; this causes known +# issues with at least gettext 0.18.3. +probe=$(echo 'm4_quote([hi])' | autom4te -l M4sugar -t 'm4_quote:$%' -) +if test "x$probe" != xhi; then + warn_ "WARNING: your autom4te wrapper eats stdin;" + warn_ "if bootstrap fails, consider upgrading your autotools" 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 $use_git && test -d .git && check_exists git; 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" + elif check_exists git-merge-changelog; 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 "consider installing git-merge-changelog from gnulib" + echo "$0: consider installing git-merge-changelog from gnulib" fi fi @@ -446,17 +610,21 @@ git_modules_config () { test -f .gitmodules && git config --file .gitmodules "$@" } -gnulib_path=`git_modules_config submodule.gnulib.path` -: ${gnulib_path=gnulib} +if $use_git; then + gnulib_path=$(git_modules_config submodule.gnulib.path) + test -z "$gnulib_path" && gnulib_path=gnulib +fi -# Get gnulib files. +# Get gnulib files. Populate $GNULIB_SRCDIR, possibly updating a +# submodule, for use in the rest of the script. case ${GNULIB_SRCDIR--} in -) + # Note that $use_git is necessarily true in this case. if git_modules_config submodule.gnulib.url >/dev/null; then echo "$0: getting gnulib files..." - git submodule init || exit $? - git submodule update || exit $? + git submodule init -- "$gnulib_path" || exit $? + git submodule update -- "$gnulib_path" || exit $? elif [ ! -d "$gnulib_path" ]; then echo "$0: getting gnulib files..." @@ -473,8 +641,8 @@ case ${GNULIB_SRCDIR--} in GNULIB_SRCDIR=$gnulib_path ;; *) - # Use GNULIB_SRCDIR as a reference. - if test -d "$GNULIB_SRCDIR"/.git && \ + # Use GNULIB_SRCDIR directly or as a reference. + if $use_git && test -d "$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 @@ -485,13 +653,14 @@ case ${GNULIB_SRCDIR--} in # This fallback allows at least git 1.5.5. if test -f "$gnulib_path"/gnulib-tool; then # Since file already exists, assume submodule init already complete. - git submodule update || exit $? + git submodule update -- "$gnulib_path" || 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)" "$gnulib_path" \ - && git submodule init && git submodule update \ + && git submodule init -- "$gnulib_path" \ + && git submodule update -- "$gnulib_path" \ || exit $? fi fi @@ -500,16 +669,36 @@ case ${GNULIB_SRCDIR--} in ;; esac +# $GNULIB_SRCDIR now points to the version of gnulib to use, and +# we no longer need to use git or $gnulib_path below here. + +if $bootstrap_sync; then + cmp -s "$0" "$GNULIB_SRCDIR/build-aux/bootstrap" || { + echo "$0: updating bootstrap and restarting..." + case $(sh -c 'echo "$1"' -- a) in + a) ignored=--;; + *) ignored=ignored;; + esac + exec sh -c \ + 'cp "$1" "$2" && shift && exec "${CONFIG_SHELL-/bin/sh}" "$@"' \ + $ignored "$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 "$cmd" } @@ -532,7 +721,7 @@ update_po_files() { && ls "$ref_po_dir"/*.po 2>/dev/null | sed 's|.*/||; s|\.po$||' > "$po_dir/LINGUAS" || return - langs=`cd $ref_po_dir && echo *.po|sed 's/\.po//g'` + langs=$(cd $ref_po_dir && echo *.po | sed 's/\.po//g') test "$langs" = '*' && langs=x for po in $langs; do case $po in x) continue;; esac @@ -540,11 +729,10 @@ update_po_files() { cksum_file="$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..." + ! $SHA1SUM -c "$cksum_file" < "$new_po" > /dev/null 2>&1; then + echo "$me: updated $po_dir/$po.po..." cp "$new_po" "$po_dir/$po.po" \ - && $SHA1SUM < "$new_po" > "$cksum_file" + && $SHA1SUM < "$new_po" > "$cksum_file" || return fi done } @@ -569,217 +757,154 @@ symlink_to_dir() # If the destination directory doesn't exist, create it. # This is required at least for "lib/uniwidth/cjk.h". - dst_dir=`dirname "$dst"` + 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 "$dst_dir"` + parent=$(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,.*/,,'` + insert_vc_ignore $ig "${dst_dir##*/}" 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" = "$dst_i" || { + src_ls=$(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 "$0: invalid symlink calculation: $src -> $dst" - exit 1;; - /*/*/*/*/) dot_dots=../../../;; - /*/*/*/) dot_dots=../../;; - /*/*/) dot_dots=../;; + die "invalid symlink calculation: $src -> $dst";; + /*/*/*/*/) dot_dots=../../../;; + /*/*/*/) dot_dots=../../;; + /*/*/) dot_dots=../;; 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=$2 - - if cmp -s "$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 $cp_dst in - *.[ch]) c1='/* '; c2=' */';; - *.texi) c1='@c '; c2= ;; - *.m4|*/Make*|Make*) c1='# ' ; c2= ;; - *) c1= ; c2= ;; - esac - - # If the destination directory doesn't exist, create it. - # This is required at least for "lib/uniwidth/cjk.h". - dst_dir=`dirname "$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 -} - 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 "$dir/$file" > /dev/null 2>&1 && found=yes + 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;; - # 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 +# 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 .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 -} +# 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 + + # 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 -# Create boot temporary directories to import from gnulib and gettext. -rm -fr $bt $bt2 && -mkdir $bt $bt2 || exit + find . ! -type d -print | sort >$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 $bt/$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\ " @@ -791,25 +916,14 @@ 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" $file || exit + symlink_to_dir "$GNULIB_SRCDIR" $file \ + || die "failed to symlink $file" 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 $bt2 || exit +bootstrap_post_import_hook \ + || die "bootstrap_post_import_hook failed" # Remove any dangling symlink matching "*.m4" or "*.[ch]" in some # gnulib-populated directories. Such .m4 files would cause aclocal to fail. @@ -823,37 +937,32 @@ find "$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 +# Invoke autoreconf with --force --install to ensure upgrades of tools +# such as ylwrap. +AUTORECONFFLAGS="--verbose --install --force -I $m4_base $ACLOCAL_FLAGS" -for command in \ - libtool \ - "${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. +case $($AUTORECONF --help) in + *--no-recursive*) AUTORECONFFLAGS="$AUTORECONFFLAGS --no-recursive";; +esac +# Tell autoreconf not to invoke autopoint or libtoolize; they were run above. +echo "running: AUTOPOINT=true LIBTOOLIZE=true $AUTORECONF $AUTORECONFFLAGS" +AUTOPOINT=true LIBTOOLIZE=true $AUTORECONF $AUTORECONFFLAGS \ + || 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 @@ -869,7 +978,19 @@ if test $with_gettext = yes; then a\ '"$XGETTEXT_OPTIONS"' $${end_of_xgettext_options+} } - ' po/Makevars.template >po/Makevars || exit 1 + ' po/Makevars.template >po/Makevars \ + || die 'cannot generate po/Makevars' + + # If the 'gettext' module is in use, grab the latest Makefile.in.in. + # If only the 'gettext-h' module is in use, assume autopoint already + # put the correct version of this file into place. + case $gnulib_modules in + *gettext-h*) ;; + *gettext*) + cp $GNULIB_SRCDIR/build-aux/po/Makefile.in.in po/Makefile.in.in \ + || die "cannot create po/Makefile.in.in" + ;; + esac if test -d runtime-po; then # Similarly for runtime-po/Makevars, but not quite the same. @@ -883,7 +1004,8 @@ if test $with_gettext = yes; then a\ '"$XGETTEXT_OPTIONS_RUNTIME"' $${end_of_xgettext_options+} } - ' po/Makevars.template >runtime-po/Makevars || exit 1 + ' 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)