X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/60aa04a236004d3d03f00aeaf07b643a52ef0760..b51cf830a6cb513ca8e357321307997672d6d6b0:/bootstrap diff --git a/bootstrap b/bootstrap index e9849102..a37fb8a0 100755 --- a/bootstrap +++ b/bootstrap @@ -1,10 +1,10 @@ #! /bin/sh # Print a version string. -scriptversion=2012-07-03.20; # UTC +scriptversion=2013-07-03.20; # UTC # Bootstrap this package from checked-out sources. -# Copyright (C) 2003-2012 Free Software Foundation, Inc. +# Copyright (C) 2003-2013 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 @@ -77,6 +77,33 @@ Running without arguments will suffice in most cases. EOF } +# warnf_ FORMAT-STRING ARG1... +warnf_ () +{ + warnf_format_=$1 + shift + nl=' +' + case $* in + *$nl*) me_=$(printf "$me"|tr "$nl|" '??') + printf "$warnf_format_" "$@" | sed "s|^|$me_: |" ;; + *) printf "$me: $warnf_format_" "$@" ;; + esac >&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 @@ -113,24 +140,26 @@ 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 @@ -186,6 +215,8 @@ use_git=true # 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. +# +# FIXME: code duplication, see also gnu-web-doc-update. find_tool () { find_tool_envvar=$1 @@ -203,14 +234,10 @@ find_tool () else find_tool_error_prefix="\$$find_tool_envvar: " fi - if test x"$find_tool_res" = x; then - echo >&2 "$me: one of these is required: $find_tool_names" - exit 1 - fi - ($find_tool_res --version /dev/null 2>&1 || { - echo >&2 "$me: ${find_tool_error_prefix}cannot run $find_tool_res --version" - exit 1 - } + test x"$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 $find_tool_envvar" } @@ -229,12 +256,12 @@ esac # Extra files from gnulib, which override files from other sources. test -z "${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 " @@ -269,51 +296,45 @@ do --no-git) use_git=false;; *) - echo >&2 "$0: $option: unknown option" - exit 1;; + die "$option: unknown option";; esac done -if $use_git || test -d "$GNULIB_SRCDIR"; then - : -else - echo "$0: Error: --no-git requires --gnulib-srcdir" >&2 - exit 1 -fi +$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 "$0: Bootstrapping from a non-checked-out distribution is risky." >&2 - exit 1 + die "Bootstrapping from a non-checked-out distribution is risky." fi -# Ensure that lines starting with ! sort last, per gitignore conventions -# for whitelisting exceptions after a more generic blacklist pattern. -sort_patterns() { - sort -u "$@" | sed '/^!/ { - H - d - } - $ { - P - x - s/^\n// - }' | sed '/^$/d' +# Strip blank and comment lines to leave significant entries. +gitignore_entries() { + sed '/^#/d; /^$/d' "$@" } -# If $STR is not already on a line by itself in $FILE, insert it, -# sorting the new contents of the file and replacing $FILE with the result. -insert_sorted_if_absent() { +# 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_patterns - $file | cmp -s - $file > /dev/null \ - || { echo "$str" | sort_patterns - $file > $file.bak \ - && mv $file.bak $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" | gitignore_entries - $file | 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="$2" @@ -324,7 +345,7 @@ insert_vc_ignore() { # .gitignore entry. pattern=$(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. @@ -333,11 +354,8 @@ 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 $build_aux doesn't exist, create it now, otherwise some bits # below will malfunction. If creating it, also mark it as ignored. @@ -443,7 +461,7 @@ check_versions() { automake-ng|aclocal-ng) app=${app%-ng} ($app --version | grep '(GNU automake-ng)') >/dev/null 2>&1 || { - echo "$me: Error: '$app' not found or not from Automake-NG" >&2 + warn_ "Error: '$app' not found or not from Automake-NG" ret=1 continue } ;; @@ -453,20 +471,21 @@ check_versions() { # so we have to rely on $? rather than get_version. $app --version >/dev/null 2>&1 if [ 126 -le $? ]; then - echo "$me: Error: '$app' not found" >&2 + warn_ "Error: '$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 - echo "$me: Error: '$app' not found" >&2 + warn_ "Error: '$app' not found" ret=1 else latest_ver=$(sort_ver $req_ver $inst_ver | cut -d' ' -f2) if [ ! "$latest_ver" = "$inst_ver" ]; then - echo "$me: Error: '$app' version == $inst_ver is too old" >&2 - echo " '$app' version >= $req_ver is required" >&2 + warnf_ '%s\n' \ + "Error: '$app' version == $inst_ver is too old" \ + " '$app' version >= $req_ver is required" ret=1 fi fi @@ -523,17 +542,16 @@ fi if ! printf "$buildreq" | check_versions; then echo >&2 if test -f README-prereq; then - echo "$0: See README-prereq for how to get the prerequisite programs" >&2 + die "See README-prereq for how to get the prerequisite programs" else - echo "$0: Please install the prerequisite programs" >&2 + die "Please install the prerequisite programs" fi - exit 1 fi echo "$0: Bootstrapping from checked-out $package sources..." # See if we can use gnulib's git-merge-changelog merge driver. -if test -d .git && (git --version) >/dev/null 2>/dev/null ; then +if $use_git && test -d .git && (git --version) >/dev/null 2>/dev/null ; then if git config merge.merge-changelog.driver >/dev/null ; then : elif (git-merge-changelog --version) >/dev/null 2>/dev/null ; then @@ -556,13 +574,17 @@ git_modules_config () { test -f .gitmodules && git config --file .gitmodules "$@" } -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 $? @@ -583,8 +605,8 @@ 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 @@ -610,12 +632,19 @@ 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}" "$@"' \ - -- "$GNULIB_SRCDIR/build-aux/bootstrap" \ + $ignored "$GNULIB_SRCDIR/build-aux/bootstrap" \ "$0" "$@" --no-bootstrap-sync } fi @@ -738,11 +767,10 @@ symlink_to_dir() *) case /$dst/ in *//* | */../* | */./* | /*/*/*/*/*/) - echo >&2 "$me: invalid symlink calculation: $src -> $dst" - exit 1;; - /*/*/*/*/) dot_dots=../../../;; - /*/*/*/) dot_dots=../../;; - /*/*/) dot_dots=../;; + die "invalid symlink calculation: $src -> $dst";; + /*/*/*/*/) dot_dots=../../../;; + /*/*/*/) dot_dots=../../;; + /*/*/) dot_dots=../;; esac;; esac @@ -764,7 +792,7 @@ version_controlled_file() { grep -F "/${file##*/}/" "$parent/CVS/Entries" 2>/dev/null | grep '^/[^/]*/[0-9]' > /dev/null else - echo "$me: no version control for $file?" >&2 + warn_ "no version control for $file?" false fi } @@ -855,11 +883,11 @@ $gnulib_tool $gnulib_tool_options --import $gnulib_modules && for file in $gnulib_files; do symlink_to_dir "$GNULIB_SRCDIR" $file \ - || { echo "$0: failed to symlink $file" 1>&2; exit 1; } + || die "failed to symlink $file" done bootstrap_post_import_hook \ - || { echo >&2 "$me: bootstrap_post_import_hook failed"; exit 1; } + || 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. @@ -873,21 +901,22 @@ find "$m4_base" "$source_base" \ -depth \( -name '*.m4' -o -name '*.[ch]' \) \ -type l -xtype l -delete > /dev/null 2>&1 +# Invoke autoreconf with --force --install to ensure upgrades of tools +# such as ylwrap. +AUTORECONFFLAGS="--verbose --install --force -I $m4_base $ACLOCAL_FLAGS" + # 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;; + *--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 --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 +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 @@ -897,7 +926,7 @@ for file in $gnulib_extra_files; do *) dst=$file;; esac symlink_to_dir "$GNULIB_SRCDIR" $file $dst \ - || { echo "$0: failed to symlink $file" 1>&2; exit 1; } + || die "failed to symlink $file" done if test $with_gettext = yes; then @@ -913,7 +942,8 @@ if test $with_gettext = yes; then a\ '"$XGETTEXT_OPTIONS"' $${end_of_xgettext_options+} } - ' po/Makevars.template >po/Makevars || exit 1 + ' po/Makevars.template >po/Makevars \ + || die 'cannot generate po/Makevars' # If the 'gettext' module is in use, grab the latest Makefile.in.in. # If only the 'gettext-h' module is in use, assume autopoint already @@ -921,7 +951,8 @@ if test $with_gettext = yes; then case $gnulib_modules in *gettext-h*) ;; *gettext*) - cp $GNULIB_SRCDIR/build-aux/po/Makefile.in.in po/Makefile.in.in || exit 1 + cp $GNULIB_SRCDIR/build-aux/po/Makefile.in.in po/Makefile.in.in \ + || die "cannot create po/Makefile.in.in" ;; esac @@ -937,7 +968,8 @@ if test $with_gettext = yes; then a\ '"$XGETTEXT_OPTIONS_RUNTIME"' $${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)