X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/cc8962bdde81b04aa728aef21e53b4a08a0debfe..ee028dceff390a23da391900b5b7fe651cfe320c:/bootstrap diff --git a/bootstrap b/bootstrap index 96f1e762..2fdf2674 100755 --- a/bootstrap +++ b/bootstrap @@ -1,10 +1,10 @@ #! /bin/sh # Print a version string. -scriptversion=2013-03-08.16; # UTC +scriptversion=2014-12-08.12; # UTC # Bootstrap this package from checked-out sources. -# Copyright (C) 2003-2013 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 @@ -42,6 +42,9 @@ export LC_ALL local_gl_dir=gl +# Honour $PERL, but work even if there is none +PERL="${PERL-perl}" + me=$0 usage() { @@ -140,20 +143,21 @@ po_download_command_format2=\ "wget --mirror -nd -q -np -A.po -P '%s' \ http://translationproject.org/latest/%s/" +# Prefer a non-empty tarname (4th argument of AC_INIT if given), else +# fall back to the package name (1st argument with munging) extract_package_name=' - /^AC_INIT(/{ - /.*,.*,.*, */{ - s/// - s/[][]//g - s/)$// + /^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 } ' @@ -208,12 +212,26 @@ 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 $? -lt 126 +} + # find_tool ENVVAR NAMES... # ------------------------- # Search for a required program. Use the value of ENVVAR, if set, -# otherwise find the first of the NAMES that can be run (i.e., -# supports --version). If found, set ENVVAR to the program name, -# die otherwise. +# otherwise find the first of the NAMES that can be run. +# If found, set ENVVAR to the program name, die otherwise. # # FIXME: code duplication, see also gnu-web-doc-update. find_tool () @@ -223,27 +241,21 @@ find_tool () find_tool_names=$@ 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 - 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 $find_tool_res --version" + if test x"$find_tool_res" = x; then + warn_ "one of these is required: $find_tool_names;" + die "alternatively set $find_tool_envvar to a compatible tool" + fi eval "$find_tool_envvar=\$find_tool_res" eval "export $find_tool_envvar" } -# Find sha1sum, named gsha1sum on MacPorts, and shasum on Mac OS X 10.6. -find_tool SHA1SUM sha1sum gsha1sum shasum - # Override the default configuration, if necessary. # Make sure that bootstrap.conf is sourced from the current directory # if we were invoked as "sh bootstrap". @@ -255,12 +267,12 @@ esac # Extra files from gnulib, which override files from other sources. test -z "${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 + 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 " @@ -325,7 +337,7 @@ insert_if_absent() { die "Error: Duplicate entries in $file: " $duplicate_entries fi linesold=$(gitignore_entries $file | wc -l) - linesnew=$(echo "$str" | gitignore_entries - $file | sort -u | wc -l) + linesnew=$( { 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" @@ -409,7 +421,7 @@ 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; } $app --version 2>&1 | sed -n '# Move version to start of line. @@ -447,6 +459,7 @@ check_versions() { test "$appvar" = TAR && appvar=AMTAR case $appvar in GZIP) ;; # Do not use $GZIP: it contains gzip options. + PERL::*) ;; # Keep perl modules as-is *) eval "app=\${$appvar-$app}" ;; esac @@ -464,12 +477,22 @@ check_versions() { ret=1 continue } ;; + # Another check is for perl modules. These can be written as + # e.g. perl::XML::XPath in case of XML::XPath module, etc. + perl::*) + # Extract module name + app="${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. - $app --version >/dev/null 2>&1 - if [ 126 -le $? ]; then + if ! check_exists --verbose $app; then warn_ "Error: '$app' not found" ret=1 fi @@ -502,6 +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"$SKIP_PO" = x; then + find_tool SHA1SUM sha1sum gsha1sum shasum sha1 +fi + use_libtool=0 # We'd like to use grep -E, to see if any of LT_INIT, # AC_PROG_LIBTOOL, AM_PROG_LIBTOOL is used in configure.ac, @@ -547,13 +576,21 @@ if ! printf "$buildreq" | check_versions; then fi 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 + elif check_exists git-merge-changelog; then echo "$0: initializing git-merge-changelog driver" git config merge.merge-changelog.name 'GNU-style ChangeLog merge driver' git config merge.merge-changelog.driver 'git-merge-changelog %O %A %B' @@ -573,17 +610,21 @@ git_modules_config () { test -f .gitmodules && git config --file .gitmodules "$@" } -gnulib_path=$(git_modules_config submodule.gnulib.path) -test -z "$gnulib_path" && gnulib_path=gnulib +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..." @@ -600,8 +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 @@ -612,13 +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 @@ -627,6 +669,9 @@ 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 "$0: updating bootstrap and restarting..." @@ -684,11 +729,10 @@ update_po_files() { cksum_file="$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 + ! $SHA1SUM -c "$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 }