mirror of
https://git.savannah.gnu.org/git/make.git
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80e9a422e4
* README.git: Document the changes. * bootstrap.conf: Set GNULIB_REVISION to avoid random updates. * configure.ac: Set the minimum autoconf version back to 2.69: that's the most common version deployed today, and it still works. * bootstrap: Copy the latest from gnulib. * autogen.sh: Ditto. * autopull.sh: Ditto. * bootstrap-funclib.sh: Ditto.
595 lines
19 KiB
Bash
595 lines
19 KiB
Bash
# A library of shell functions for autopull.sh, autogen.sh, and bootstrap.
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# Copyright (C) 2003-2022 Free Software Foundation, Inc.
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <https://www.gnu.org/licenses/>.
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# Originally written by Paul Eggert. The canonical version of this
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# script is maintained as top/bootstrap-funclib.sh in gnulib. However,
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# to be useful to your package, you should place a copy of it under
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# version control in the top-level directory of your package. The
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# intent is that all customization can be done with a bootstrap.conf
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# file also maintained in your version control; gnulib comes with a
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# template build-aux/bootstrap.conf to get you started.
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scriptversion=2022-07-24.15; # UTC
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nl='
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'
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# Ensure file names are sorted consistently across platforms.
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LC_ALL=C
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export LC_ALL
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# Honor $PERL, but work even if there is none.
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PERL="${PERL-perl}"
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default_gnulib_url=https://git.savannah.gnu.org/git/gnulib.git
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# Copyright year, for the --version output.
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copyright_year=`echo "$scriptversion" | sed -e 's/[^0-9].*//'`
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copyright="Copyright (C) ${copyright_year} Free Software Foundation, Inc.
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License GPLv3+: GNU GPL version 3 or later <https://gnu.org/licenses/gpl.html>.
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This is free software: you are free to change and redistribute it.
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There is NO WARRANTY, to the extent permitted by law."
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# warnf_ FORMAT-STRING ARG1...
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warnf_ ()
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{
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warnf_format_=$1
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shift
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nl='
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'
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case $* in
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*$nl*) me_=$(printf "$me"|tr "$nl|" '??')
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printf "$warnf_format_" "$@" | sed "s|^|$me_: |" ;;
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*) printf "$me: $warnf_format_" "$@" ;;
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esac >&2
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}
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# warn_ WORD1...
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warn_ ()
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{
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# If IFS does not start with ' ', set it and emit the warning in a subshell.
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case $IFS in
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' '*) warnf_ '%s\n' "$*";;
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*) (IFS=' '; warn_ "$@");;
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esac
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}
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# die WORD1...
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die() { warn_ "$@"; exit 1; }
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# ------------------------------ Configuration. ------------------------------
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# Directory that contains package-specific gnulib modules and/or overrides.
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local_gl_dir=gl
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# Name of the Makefile.am
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# XXX Not used.
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gnulib_mk=gnulib.mk
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# List of gnulib modules needed.
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gnulib_modules=
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# Any gnulib files needed that are not in modules.
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gnulib_files=
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# A function to be called for each unrecognized option. Returns 0 if
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# the option in $1 has been processed by the function. Returns 1 if
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# the option has not been processed by the function. Override it via
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# your own definition in bootstrap.conf
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bootstrap_option_hook() { return 1; }
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# A function to be called in order to print the --help information
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# corresponding to user-defined command-line options.
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bootstrap_print_option_usage_hook() { :; }
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# A function to be called at the end of autopull.sh.
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# Override it via your own definition in bootstrap.conf.
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bootstrap_post_pull_hook() { :; }
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# A function to be called right after gnulib-tool is run.
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# Override it via your own definition in bootstrap.conf.
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bootstrap_post_import_hook() { :; }
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# A function to be called after everything else in this script.
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# Override it via your own definition in bootstrap.conf.
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bootstrap_epilogue() { :; }
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# The command to download all .po files for a specified domain into a
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# specified directory. Fill in the first %s with the destination
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# directory and the second with the domain name.
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po_download_command_format=\
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"wget --mirror --level=1 -nd -nv -A.po -P '%s' \
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https://translationproject.org/latest/%s/"
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# Prefer a non-empty tarname (4th argument of AC_INIT if given), else
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# fall back to the package name (1st argument with munging).
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extract_package_name='
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/^AC_INIT(\[*/{
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s///
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/^[^,]*,[^,]*,[^,]*,[ []*\([^][ ,)]\)/{
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s//\1/
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s/[],)].*//
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p
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q
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}
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s/[],)].*//
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s/^GNU //
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y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/
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s/[^abcdefghijklmnopqrstuvwxyz0123456789_]/-/g
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p
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}
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'
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package=$(${AUTOCONF:-autoconf} --trace AC_INIT:\$4 configure.ac 2>/dev/null)
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if test -z "$package"; then
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package=$(sed -n "$extract_package_name" configure.ac) \
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|| die 'cannot find package name in configure.ac'
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fi
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gnulib_name=lib$package
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build_aux=build-aux
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source_base=lib
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m4_base=m4
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doc_base=doc
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tests_base=tests
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gnulib_extra_files="
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build-aux/install-sh
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build-aux/mdate-sh
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build-aux/texinfo.tex
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build-aux/depcomp
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build-aux/config.guess
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build-aux/config.sub
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doc/INSTALL
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"
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# Additional gnulib-tool options to use. Use "\newline" to break lines.
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gnulib_tool_option_extras=
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# Other locale categories that need message catalogs.
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EXTRA_LOCALE_CATEGORIES=
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# Additional xgettext options to use. Use "\\\newline" to break lines.
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XGETTEXT_OPTIONS='\\\
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--flag=_:1:pass-c-format\\\
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--flag=N_:1:pass-c-format\\\
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--flag=error:3:c-format --flag=error_at_line:5:c-format\\\
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'
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# Package bug report address and copyright holder for gettext files
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COPYRIGHT_HOLDER='Free Software Foundation, Inc.'
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MSGID_BUGS_ADDRESS=bug-$package@gnu.org
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# Files we don't want to import.
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# XXX Not used.
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excluded_files=
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# File that should exist in the top directory of a checked out hierarchy,
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# but not in a distribution tarball.
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checkout_only_file=README-hacking
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# Set this to '.cvsignore .gitignore' in bootstrap.conf if you want
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# those files to be generated in directories like lib/, m4/, and po/.
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# Or set it to 'auto' to make this script select which to use based
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# on which version control system (if any) is used in the source directory.
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vc_ignore=auto
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# Set this to true in bootstrap.conf to enable --bootstrap-sync by
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# default.
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bootstrap_sync=false
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# Override the default configuration, if necessary.
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# Make sure that bootstrap.conf is sourced from the current directory
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# if we were invoked as "sh bootstrap".
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conffile=`dirname "$me"`/bootstrap.conf
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test -r "$conffile" && . "$conffile"
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# ------------------------- Build-time prerequisites -------------------------
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check_exists() {
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if test "$1" = "--verbose"; then
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($2 --version </dev/null) >/dev/null 2>&1
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if test $? -ge 126; then
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# If not found, run with diagnostics as one may be
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# presented with env variables to set to find the right version
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($2 --version </dev/null)
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fi
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else
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($1 --version </dev/null) >/dev/null 2>&1
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fi
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test $? -lt 126
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}
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# Note this deviates from the version comparison in automake
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# in that it treats 1.5 < 1.5.0, and treats 1.4.4a < 1.4-p3a
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# but this should suffice as we won't be specifying old
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# version formats or redundant trailing .0 in bootstrap.conf.
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# If we did want full compatibility then we should probably
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# use m4_version_compare from autoconf.
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sort_ver() { # sort -V is not generally available
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ver1="$1"
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ver2="$2"
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# split on '.' and compare each component
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i=1
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while : ; do
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p1=$(echo "$ver1" | cut -d. -f$i)
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p2=$(echo "$ver2" | cut -d. -f$i)
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if [ ! "$p1" ]; then
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echo "$1 $2"
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break
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elif [ ! "$p2" ]; then
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echo "$2 $1"
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break
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elif [ ! "$p1" = "$p2" ]; then
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if [ "$p1" -gt "$p2" ] 2>/dev/null; then # numeric comparison
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echo "$2 $1"
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elif [ "$p2" -gt "$p1" ] 2>/dev/null; then # numeric comparison
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echo "$1 $2"
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else # numeric, then lexicographic comparison
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lp=$(printf "%s\n%s\n" "$p1" "$p2" | LANG=C sort -n | tail -n1)
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if [ "$lp" = "$p2" ]; then
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echo "$1 $2"
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else
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echo "$2 $1"
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fi
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fi
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break
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fi
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i=$(($i+1))
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done
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}
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get_version_sed='
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# Move version to start of line.
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s/.*[v ]\([0-9]\)/\1/
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# Skip lines that do not start with version.
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/^[0-9]/!d
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# Remove characters after the version.
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s/[^.a-z0-9-].*//
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# The first component must be digits only.
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s/^\([0-9]*\)[a-z-].*/\1/
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#the following essentially does s/5.005/5.5/
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s/\.0*\([1-9]\)/.\1/g
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p
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q'
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get_version() {
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app=$1
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$app --version >/dev/null 2>&1 || { $app --version; return 1; }
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$app --version 2>&1 | sed -n "$get_version_sed"
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}
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check_versions() {
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ret=0
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while read app req_ver; do
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# We only need libtoolize from the libtool package.
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if test "$app" = libtool; then
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app=libtoolize
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fi
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# Exempt git if git is not needed.
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if test "$app" = git; then
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$check_git || continue
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fi
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# Honor $APP variables ($TAR, $AUTOCONF, etc.)
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appvar=$(echo $app | LC_ALL=C tr '[a-z]-' '[A-Z]_')
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test "$appvar" = TAR && appvar=AMTAR
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case $appvar in
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GZIP) ;; # Do not use $GZIP: it contains gzip options.
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PERL::*) ;; # Keep perl modules as-is
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*) eval "app=\${$appvar-$app}" ;;
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esac
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# Handle the still-experimental Automake-NG programs specially.
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# They remain named as the mainstream Automake programs ("automake",
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# and "aclocal") to avoid gratuitous incompatibilities with
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# pre-existing usages (by, say, autoreconf, or custom autogen.sh
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# scripts), but correctly identify themselves (as being part of
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# "GNU automake-ng") when asked their version.
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case $app in
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automake-ng|aclocal-ng)
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app=${app%-ng}
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($app --version | grep '(GNU automake-ng)') >/dev/null 2>&1 || {
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warn_ "Error: '$app' not found or not from Automake-NG"
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ret=1
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continue
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} ;;
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# Another check is for perl modules. These can be written as
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# e.g. perl::XML::XPath in case of XML::XPath module, etc.
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perl::*)
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# Extract module name
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app="${app#perl::}"
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if ! $PERL -m"$app" -e 'exit 0' >/dev/null 2>&1; then
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warn_ "Error: perl module '$app' not found"
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ret=1
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fi
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continue
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;;
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esac
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if [ "$req_ver" = "-" ]; then
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# Merely require app to exist; not all prereq apps are well-behaved
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# so we have to rely on $? rather than get_version.
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if ! check_exists --verbose $app; then
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warn_ "Error: '$app' not found"
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ret=1
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fi
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else
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# Require app to produce a new enough version string.
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inst_ver=$(get_version $app)
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if [ ! "$inst_ver" ]; then
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warn_ "Error: '$app' not found"
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ret=1
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else
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latest_ver=$(sort_ver $req_ver $inst_ver | cut -d' ' -f2)
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if [ ! "$latest_ver" = "$inst_ver" ]; then
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warnf_ '%s\n' \
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"Error: '$app' version == $inst_ver is too old" \
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" '$app' version >= $req_ver is required"
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ret=1
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fi
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fi
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fi
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done
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return $ret
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}
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print_versions() {
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echo "Program Min_version"
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echo "----------------------"
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printf %s "$buildreq"
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echo "----------------------"
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# can't depend on column -t
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}
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# check_build_prerequisites check_git
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check_build_prerequisites()
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{
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check_git="$1"
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# gnulib-tool requires at least automake and autoconf.
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# If either is not listed, add it (with minimum version) as a prerequisite.
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case $buildreq in
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*automake*) ;;
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*) buildreq="automake 1.9
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$buildreq" ;;
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esac
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case $buildreq in
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*autoconf*) ;;
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*) buildreq="autoconf 2.59
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$buildreq" ;;
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esac
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# When we can deduce that gnulib-tool will require patch,
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# and when patch is not already listed as a prerequisite, add it, too.
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if test -d "$local_gl_dir" \
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&& ! find "$local_gl_dir" -name '*.diff' -exec false {} +; then
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case $buildreq in
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*patch*) ;;
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*) buildreq="patch -
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$buildreq" ;;
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esac
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fi
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if ! printf '%s' "$buildreq" | check_versions; then
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echo >&2
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if test -f README-prereq; then
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die "See README-prereq for how to get the prerequisite programs"
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else
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die "Please install the prerequisite programs"
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fi
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fi
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# Warn the user if autom4te appears to be broken; this causes known
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# issues with at least gettext 0.18.3.
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probe=$(echo 'm4_quote([hi])' | autom4te -l M4sugar -t 'm4_quote:$%' -)
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if test "x$probe" != xhi; then
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warn_ "WARNING: your autom4te wrapper eats stdin;"
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warn_ "if bootstrap fails, consider upgrading your autotools"
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fi
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}
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# find_tool ENVVAR NAMES...
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# -------------------------
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# Search for a required program. Use the value of ENVVAR, if set,
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# otherwise find the first of the NAMES that can be run.
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# If found, set ENVVAR to the program name, die otherwise.
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#
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# FIXME: code duplication, see also gnu-web-doc-update.
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find_tool ()
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{
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find_tool_envvar=$1
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shift
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find_tool_names=$@
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eval "find_tool_res=\$$find_tool_envvar"
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if test x"$find_tool_res" = x; then
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for i; do
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if check_exists $i; then
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find_tool_res=$i
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break
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fi
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done
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fi
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if test x"$find_tool_res" = x; then
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warn_ "one of these is required: $find_tool_names;"
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die "alternatively set $find_tool_envvar to a compatible tool"
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fi
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eval "$find_tool_envvar=\$find_tool_res"
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eval "export $find_tool_envvar"
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}
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# --------------------- Preparing GNULIB_SRCDIR for use. ---------------------
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# This is part of autopull.sh, but bootstrap needs it too, for self-upgrading.
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cleanup_gnulib() {
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status=$?
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# XXX It's a bad idea to erase the submodule directory if it contains local
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# modifications.
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rm -fr "$gnulib_path"
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exit $status
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}
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git_modules_config () {
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test -f .gitmodules && git config --file .gitmodules "$@"
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}
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prepare_GNULIB_SRCDIR ()
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{
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if test -n "$GNULIB_SRCDIR"; then
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# Use GNULIB_SRCDIR directly.
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# We already checked that $GNULIB_SRCDIR references a directory.
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# Verify that it contains a gnulib checkout.
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test -f "$GNULIB_SRCDIR/gnulib-tool" \
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|| die "Error: --gnulib-srcdir or \$GNULIB_SRCDIR is specified, but does not contain gnulib-tool"
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elif $use_git; then
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gnulib_path=$(git_modules_config submodule.gnulib.path)
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test -z "$gnulib_path" && gnulib_path=gnulib
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# Get gnulib files. Populate $gnulib_path, possibly updating a
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# submodule, for use in the rest of the script.
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if test -n "$GNULIB_REFDIR" && test -d "$GNULIB_REFDIR"/.git \
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&& git_modules_config submodule.gnulib.url >/dev/null; then
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# Use GNULIB_REFDIR as a reference.
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echo "$0: getting gnulib files..."
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if git submodule -h|grep -- --reference > /dev/null; then
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# Prefer the one-liner available in git 1.6.4 or newer.
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git submodule update --init --reference "$GNULIB_REFDIR" \
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"$gnulib_path" || exit $?
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else
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# This fallback allows at least git 1.5.5.
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if test -f "$gnulib_path"/gnulib-tool; then
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# Since file already exists, assume submodule init already complete.
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git submodule update -- "$gnulib_path" || exit $?
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else
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# Older git can't clone into an empty directory.
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rmdir "$gnulib_path" 2>/dev/null
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git clone --reference "$GNULIB_REFDIR" \
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"$(git_modules_config submodule.gnulib.url)" "$gnulib_path" \
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|
&& git submodule init -- "$gnulib_path" \
|
|
&& git submodule update -- "$gnulib_path" \
|
|
|| exit $?
|
|
fi
|
|
fi
|
|
else
|
|
# GNULIB_REFDIR is not set or not usable. Ignore it.
|
|
if git_modules_config submodule.gnulib.url >/dev/null; then
|
|
echo "$0: getting gnulib files..."
|
|
git submodule init -- "$gnulib_path" || exit $?
|
|
git submodule update -- "$gnulib_path" || exit $?
|
|
|
|
elif [ ! -d "$gnulib_path" ]; then
|
|
echo "$0: getting gnulib files..."
|
|
|
|
trap cleanup_gnulib 1 2 13 15
|
|
|
|
shallow=
|
|
if test -z "$GNULIB_REVISION"; then
|
|
if git clone -h 2>&1 | grep -- --depth > /dev/null; then
|
|
shallow='--depth 2'
|
|
fi
|
|
git clone $shallow ${GNULIB_URL:-$default_gnulib_url} "$gnulib_path" \
|
|
|| cleanup_gnulib
|
|
else
|
|
if git fetch -h 2>&1 | grep -- --depth > /dev/null; then
|
|
shallow='--depth 2'
|
|
fi
|
|
mkdir -p "$gnulib_path"
|
|
# Only want a shallow checkout of $GNULIB_REVISION, but git does not
|
|
# support cloning by commit hash. So attempt a shallow fetch by commit
|
|
# hash to minimize the amount of data downloaded and changes needed to
|
|
# be processed, which can drastically reduce download and processing
|
|
# time for checkout. If the fetch by commit fails, a shallow fetch can
|
|
# not be performed because we do not know what the depth of the commit
|
|
# is without fetching all commits. So fallback to fetching all commits.
|
|
git -C "$gnulib_path" init
|
|
git -C "$gnulib_path" remote add origin \
|
|
${GNULIB_URL:-$default_gnulib_url}
|
|
git -C "$gnulib_path" fetch $shallow origin "$GNULIB_REVISION" \
|
|
|| git -C "$gnulib_path" fetch origin \
|
|
|| cleanup_gnulib
|
|
git -C "$gnulib_path" reset --hard FETCH_HEAD
|
|
fi
|
|
|
|
trap - 1 2 13 15
|
|
fi
|
|
fi
|
|
GNULIB_SRCDIR=$gnulib_path
|
|
# Verify that the submodule contains a gnulib checkout.
|
|
test -f "$gnulib_path/gnulib-tool" \
|
|
|| die "Error: $gnulib_path is supposed to contain a gnulib checkout, but does not contain gnulib-tool"
|
|
fi
|
|
|
|
# XXX Should this be done if $use_git is false?
|
|
if test -d "$GNULIB_SRCDIR"/.git && test -n "$GNULIB_REVISION" \
|
|
&& ! git_modules_config submodule.gnulib.url >/dev/null; then
|
|
(cd "$GNULIB_SRCDIR" && git checkout "$GNULIB_REVISION") || cleanup_gnulib
|
|
fi
|
|
|
|
# $GNULIB_SRCDIR now points to the version of gnulib to use, and
|
|
# we no longer need to use git or $gnulib_path below here.
|
|
}
|
|
|
|
# -------- Upgrading bootstrap to the version found in GNULIB_SRCDIR. --------
|
|
|
|
upgrade_bootstrap ()
|
|
{
|
|
{ cmp -s "$medir"/bootstrap "$GNULIB_SRCDIR/top/bootstrap" \
|
|
&& cmp -s "$medir"/bootstrap-funclib.sh "$GNULIB_SRCDIR/top/bootstrap-funclib.sh" \
|
|
&& cmp -s "$medir"/autopull.sh "$GNULIB_SRCDIR/top/autopull.sh" \
|
|
&& cmp -s "$medir"/autogen.sh "$GNULIB_SRCDIR/top/autogen.sh"; \
|
|
} || {
|
|
echo "$0: updating bootstrap & companions and restarting..."
|
|
case $(sh -c 'echo "$1"' -- a) in
|
|
a) ignored=--;;
|
|
*) ignored=ignored;;
|
|
esac
|
|
exec sh -c \
|
|
'{ if test -f "$1"; then cp "$1" "$3"; else cp "$2" "$3"; fi; } && { if test -f "$4"; then cp "$4" "$5"; else rm -f "$5"; fi; } && { if test -f "$6"; then cp "$6" "$7"; else rm -f "$7"; fi; } && { if test -f "$8"; then cp "$8" "$9"; else rm -f "$9"; fi; } && shift && shift && shift && shift && shift && shift && shift && shift && shift && exec "${CONFIG_SHELL-/bin/sh}" "$@"' \
|
|
$ignored \
|
|
"$GNULIB_SRCDIR/top/bootstrap" "$GNULIB_SRCDIR/build-aux/bootstrap" "$medir/bootstrap" \
|
|
"$GNULIB_SRCDIR/top/bootstrap-funclib.sh" "$medir/bootstrap-funclib.sh" \
|
|
"$GNULIB_SRCDIR/top/autopull.sh" "$medir/autopull.sh" \
|
|
"$GNULIB_SRCDIR/top/autogen.sh" "$medir/autogen.sh" \
|
|
"$0" "$@" --no-bootstrap-sync
|
|
}
|
|
}
|
|
|
|
# ----------------------------------------------------------------------------
|
|
|
|
if test x"$gnulib_modules$gnulib_files$gnulib_extra_files" = x; then
|
|
use_gnulib=false
|
|
else
|
|
use_gnulib=true
|
|
fi
|
|
|
|
# ----------------------------------------------------------------------------
|
|
|
|
# Local Variables:
|
|
# eval: (add-hook 'before-save-hook 'time-stamp)
|
|
# time-stamp-start: "scriptversion="
|
|
# time-stamp-format: "%:y-%02m-%02d.%02H"
|
|
# time-stamp-time-zone: "UTC0"
|
|
# time-stamp-end: "; # UTC"
|
|
# End:
|