mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-12-29 17:25:38 +00:00
02bba8ca90
Newer versions of Sphinx have a known bug: https://github.com/sphinx-doc/sphinx/pull/8313 Those currently produces 11 false-positive warnings On Sphinx version 3.1+. While Sphinx fix is not applied, let's warn adventurers that would be using Sphinx installed via distro packages. Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org> Link: https://lore.kernel.org/r/085e0ada65c11da9303d07e70c510dc45f21315b.1656756450.git.mchehab@kernel.org Signed-off-by: Jonathan Corbet <corbet@lwn.net>
1072 lines
26 KiB
Perl
Executable File
1072 lines
26 KiB
Perl
Executable File
#!/usr/bin/env perl
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# SPDX-License-Identifier: GPL-2.0-or-later
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use strict;
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# Copyright (c) 2017-2020 Mauro Carvalho Chehab <mchehab@kernel.org>
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#
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my $prefix = "./";
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$prefix = "$ENV{'srctree'}/" if ($ENV{'srctree'});
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my $conf = $prefix . "Documentation/conf.py";
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my $requirement_file = $prefix . "Documentation/sphinx/requirements.txt";
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my $virtenv_prefix = "sphinx_";
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#
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# Static vars
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#
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my %missing;
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my $system_release;
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my $need = 0;
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my $optional = 0;
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my $need_symlink = 0;
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my $need_sphinx = 0;
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my $need_pip = 0;
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my $need_virtualenv = 0;
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my $rec_sphinx_upgrade = 0;
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my $verbose_warn_install = 1;
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my $install = "";
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my $virtenv_dir = "";
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my $python_cmd = "";
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my $activate_cmd;
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my $min_version;
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my $cur_version;
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my $rec_version = "1.7.9"; # PDF won't build here
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my $min_pdf_version = "2.4.4"; # Min version where pdf builds
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my $latest_avail_ver;
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#
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# Command line arguments
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#
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my $pdf = 1;
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my $virtualenv = 1;
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my $version_check = 0;
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#
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# List of required texlive packages on Fedora and OpenSuse
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#
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my %texlive = (
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'amsfonts.sty' => 'texlive-amsfonts',
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'amsmath.sty' => 'texlive-amsmath',
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'amssymb.sty' => 'texlive-amsfonts',
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'amsthm.sty' => 'texlive-amscls',
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'anyfontsize.sty' => 'texlive-anyfontsize',
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'atbegshi.sty' => 'texlive-oberdiek',
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'bm.sty' => 'texlive-tools',
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'capt-of.sty' => 'texlive-capt-of',
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'cmap.sty' => 'texlive-cmap',
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'ecrm1000.tfm' => 'texlive-ec',
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'eqparbox.sty' => 'texlive-eqparbox',
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'eu1enc.def' => 'texlive-euenc',
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'fancybox.sty' => 'texlive-fancybox',
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'fancyvrb.sty' => 'texlive-fancyvrb',
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'float.sty' => 'texlive-float',
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'fncychap.sty' => 'texlive-fncychap',
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'footnote.sty' => 'texlive-mdwtools',
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'framed.sty' => 'texlive-framed',
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'luatex85.sty' => 'texlive-luatex85',
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'multirow.sty' => 'texlive-multirow',
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'needspace.sty' => 'texlive-needspace',
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'palatino.sty' => 'texlive-psnfss',
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'parskip.sty' => 'texlive-parskip',
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'polyglossia.sty' => 'texlive-polyglossia',
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'tabulary.sty' => 'texlive-tabulary',
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'threeparttable.sty' => 'texlive-threeparttable',
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'titlesec.sty' => 'texlive-titlesec',
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'ucs.sty' => 'texlive-ucs',
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'upquote.sty' => 'texlive-upquote',
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'wrapfig.sty' => 'texlive-wrapfig',
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'ctexhook.sty' => 'texlive-ctex',
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);
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#
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# Subroutines that checks if a feature exists
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#
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sub check_missing(%)
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{
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my %map = %{$_[0]};
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foreach my $prog (sort keys %missing) {
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my $is_optional = $missing{$prog};
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# At least on some LTS distros like CentOS 7, texlive doesn't
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# provide all packages we need. When such distros are
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# detected, we have to disable PDF output.
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#
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# So, we need to ignore the packages that distros would
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# need for LaTeX to work
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if ($is_optional == 2 && !$pdf) {
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$optional--;
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next;
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}
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if ($verbose_warn_install) {
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if ($is_optional) {
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print "Warning: better to also install \"$prog\".\n";
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} else {
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print "ERROR: please install \"$prog\", otherwise, build won't work.\n";
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}
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}
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if (defined($map{$prog})) {
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$install .= " " . $map{$prog};
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} else {
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$install .= " " . $prog;
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}
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}
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$install =~ s/^\s//;
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}
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sub add_package($$)
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{
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my $package = shift;
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my $is_optional = shift;
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$missing{$package} = $is_optional;
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if ($is_optional) {
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$optional++;
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} else {
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$need++;
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}
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}
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sub check_missing_file($$$)
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{
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my $files = shift;
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my $package = shift;
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my $is_optional = shift;
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for (@$files) {
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return if(-e $_);
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}
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add_package($package, $is_optional);
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}
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sub findprog($)
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{
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foreach(split(/:/, $ENV{PATH})) {
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return "$_/$_[0]" if(-x "$_/$_[0]");
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}
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}
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sub find_python_no_venv()
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{
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my $prog = shift;
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my $cur_dir = qx(pwd);
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$cur_dir =~ s/\s+$//;
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foreach my $dir (split(/:/, $ENV{PATH})) {
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next if ($dir =~ m,($cur_dir)/sphinx,);
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return "$dir/python3" if(-x "$dir/python3");
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}
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foreach my $dir (split(/:/, $ENV{PATH})) {
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next if ($dir =~ m,($cur_dir)/sphinx,);
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return "$dir/python" if(-x "$dir/python");
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}
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return "python";
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}
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sub check_program($$)
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{
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my $prog = shift;
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my $is_optional = shift;
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return $prog if findprog($prog);
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add_package($prog, $is_optional);
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}
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sub check_perl_module($$)
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{
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my $prog = shift;
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my $is_optional = shift;
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my $err = system("perl -M$prog -e 1 2>/dev/null /dev/null");
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return if ($err == 0);
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add_package($prog, $is_optional);
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}
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sub check_python_module($$)
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{
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my $prog = shift;
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my $is_optional = shift;
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return if (!$python_cmd);
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my $err = system("$python_cmd -c 'import $prog' 2>/dev/null /dev/null");
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return if ($err == 0);
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add_package($prog, $is_optional);
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}
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sub check_rpm_missing($$)
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{
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my @pkgs = @{$_[0]};
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my $is_optional = $_[1];
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foreach my $prog(@pkgs) {
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my $err = system("rpm -q '$prog' 2>/dev/null >/dev/null");
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add_package($prog, $is_optional) if ($err);
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}
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}
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sub check_pacman_missing($$)
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{
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my @pkgs = @{$_[0]};
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my $is_optional = $_[1];
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foreach my $prog(@pkgs) {
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my $err = system("pacman -Q '$prog' 2>/dev/null >/dev/null");
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add_package($prog, $is_optional) if ($err);
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}
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}
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sub check_missing_tex($)
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{
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my $is_optional = shift;
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my $kpsewhich = findprog("kpsewhich");
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foreach my $prog(keys %texlive) {
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my $package = $texlive{$prog};
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if (!$kpsewhich) {
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add_package($package, $is_optional);
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next;
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}
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my $file = qx($kpsewhich $prog);
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add_package($package, $is_optional) if ($file =~ /^\s*$/);
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}
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}
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sub get_sphinx_fname()
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{
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my $fname = "sphinx-build";
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return $fname if findprog($fname);
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$fname = "sphinx-build-3";
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if (findprog($fname)) {
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$need_symlink = 1;
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return $fname;
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}
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return "";
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}
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sub get_sphinx_version($)
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{
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my $cmd = shift;
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my $ver;
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open IN, "$cmd --version 2>&1 |";
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while (<IN>) {
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if (m/^\s*sphinx-build\s+([\d\.]+)((\+\/[\da-f]+)|(b\d+))?$/) {
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$ver=$1;
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last;
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}
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# Sphinx 1.2.x uses a different format
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if (m/^\s*Sphinx.*\s+([\d\.]+)$/) {
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$ver=$1;
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last;
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}
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}
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close IN;
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return $ver;
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}
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sub check_sphinx()
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{
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my $default_version;
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open IN, $conf or die "Can't open $conf";
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while (<IN>) {
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if (m/^\s*needs_sphinx\s*=\s*[\'\"]([\d\.]+)[\'\"]/) {
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$min_version=$1;
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last;
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}
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}
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close IN;
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die "Can't get needs_sphinx version from $conf" if (!$min_version);
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open IN, $requirement_file or die "Can't open $requirement_file";
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while (<IN>) {
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if (m/^\s*Sphinx\s*==\s*([\d\.]+)$/) {
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$default_version=$1;
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last;
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}
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}
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close IN;
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die "Can't get default sphinx version from $requirement_file" if (!$default_version);
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$virtenv_dir = $virtenv_prefix . $default_version;
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my $sphinx = get_sphinx_fname();
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if ($sphinx eq "") {
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$need_sphinx = 1;
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return;
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}
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$cur_version = get_sphinx_version($sphinx);
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die ("$sphinx returned an error") if (!$cur_version);
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die "$sphinx didn't return its version" if (!$cur_version);
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if ($cur_version lt $min_version) {
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printf "ERROR: Sphinx version is %s. It should be >= %s (recommended >= %s)\n",
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$cur_version, $min_version, $default_version;
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$need_sphinx = 1;
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return;
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}
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return if ($cur_version lt $rec_version);
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# On version check mode, just assume Sphinx has all mandatory deps
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exit (0) if ($version_check);
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}
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#
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# Ancillary subroutines
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#
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sub catcheck($)
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{
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my $res = "";
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$res = qx(cat $_[0]) if (-r $_[0]);
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return $res;
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}
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sub which($)
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{
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my $file = shift;
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my @path = split ":", $ENV{PATH};
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foreach my $dir(@path) {
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my $name = $dir.'/'.$file;
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return $name if (-x $name );
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}
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return undef;
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}
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#
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# Subroutines that check distro-specific hints
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#
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sub give_debian_hints()
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{
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my %map = (
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"python-sphinx" => "python3-sphinx",
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"sphinx_rtd_theme" => "python3-sphinx-rtd-theme",
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"ensurepip" => "python3-venv",
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"virtualenv" => "virtualenv",
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"dot" => "graphviz",
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"convert" => "imagemagick",
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"Pod::Usage" => "perl-modules",
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"xelatex" => "texlive-xetex",
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"rsvg-convert" => "librsvg2-bin",
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);
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if ($pdf) {
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check_missing_file(["/usr/share/texlive/texmf-dist/tex/latex/ctex/ctexhook.sty"],
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"texlive-lang-chinese", 2);
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check_missing_file(["/usr/share/fonts/truetype/dejavu/DejaVuSans.ttf"],
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"fonts-dejavu", 2);
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check_missing_file(["/usr/share/fonts/noto-cjk/NotoSansCJK-Regular.ttc",
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"/usr/share/fonts/opentype/noto/NotoSansCJK-Regular.ttc",
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"/usr/share/fonts/opentype/noto/NotoSerifCJK-Regular.ttc"],
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"fonts-noto-cjk", 2);
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}
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check_program("dvipng", 2) if ($pdf);
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check_missing(\%map);
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return if (!$need && !$optional);
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printf("You should run:\n") if ($verbose_warn_install);
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printf("\n\tsudo apt-get install $install\n");
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}
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sub give_redhat_hints()
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{
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my %map = (
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"python-sphinx" => "python3-sphinx",
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"sphinx_rtd_theme" => "python3-sphinx_rtd_theme",
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"virtualenv" => "python3-virtualenv",
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"dot" => "graphviz",
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"convert" => "ImageMagick",
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"Pod::Usage" => "perl-Pod-Usage",
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"xelatex" => "texlive-xetex-bin",
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"rsvg-convert" => "librsvg2-tools",
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);
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my @fedora26_opt_pkgs = (
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"graphviz-gd", # Fedora 26: needed for PDF support
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);
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my @fedora_tex_pkgs = (
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"texlive-collection-fontsrecommended",
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"texlive-collection-latex",
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"texlive-xecjk",
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"dejavu-sans-fonts",
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"dejavu-serif-fonts",
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"dejavu-sans-mono-fonts",
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);
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#
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# Checks valid for RHEL/CentOS version 7.x.
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#
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my $old = 0;
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my $rel;
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$rel = $1 if ($system_release =~ /release\s+(\d+)/);
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if (!($system_release =~ /Fedora/)) {
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$map{"virtualenv"} = "python-virtualenv";
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if ($rel && $rel < 8) {
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$old = 1;
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$pdf = 0;
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printf("Note: texlive packages on RHEL/CENTOS <= 7 are incomplete. Can't support PDF output\n");
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printf("If you want to build PDF, please read:\n");
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printf("\thttps://www.systutorials.com/241660/how-to-install-tex-live-on-centos-7-linux/\n");
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}
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} else {
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if ($rel && $rel < 26) {
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$old = 1;
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}
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}
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if (!$rel) {
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printf("Couldn't identify release number\n");
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$old = 1;
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$pdf = 0;
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}
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if ($pdf) {
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check_missing_file(["/usr/share/fonts/google-noto-cjk/NotoSansCJK-Regular.ttc"],
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"google-noto-sans-cjk-ttc-fonts", 2);
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}
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check_rpm_missing(\@fedora26_opt_pkgs, 2) if ($pdf && !$old);
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check_rpm_missing(\@fedora_tex_pkgs, 2) if ($pdf);
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check_missing_tex(2) if ($pdf);
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check_missing(\%map);
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return if (!$need && !$optional);
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if (!$old) {
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# dnf, for Fedora 18+
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printf("You should run:\n") if ($verbose_warn_install);
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printf("\n\tsudo dnf install -y $install\n");
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} else {
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# yum, for RHEL (and clones) or Fedora version < 18
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printf("You should run:\n") if ($verbose_warn_install);
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printf("\n\tsudo yum install -y $install\n");
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}
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}
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sub give_opensuse_hints()
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{
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my %map = (
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"python-sphinx" => "python3-sphinx",
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"sphinx_rtd_theme" => "python3-sphinx_rtd_theme",
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"virtualenv" => "python3-virtualenv",
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"dot" => "graphviz",
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"convert" => "ImageMagick",
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"Pod::Usage" => "perl-Pod-Usage",
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"xelatex" => "texlive-xetex-bin",
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);
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# On Tumbleweed, this package is also named rsvg-convert
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$map{"rsvg-convert"} = "rsvg-view" if (!($system_release =~ /Tumbleweed/));
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my @suse_tex_pkgs = (
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"texlive-babel-english",
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"texlive-caption",
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"texlive-colortbl",
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"texlive-courier",
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"texlive-dvips",
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"texlive-helvetic",
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|
"texlive-makeindex",
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"texlive-metafont",
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"texlive-metapost",
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"texlive-palatino",
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"texlive-preview",
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"texlive-times",
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"texlive-zapfchan",
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"texlive-zapfding",
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);
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|
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$map{"latexmk"} = "texlive-latexmk-bin";
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|
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# FIXME: add support for installing CJK fonts
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#
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|
# I tried hard, but was unable to find a way to install
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# "Noto Sans CJK SC" on openSUSE
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|
|
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check_rpm_missing(\@suse_tex_pkgs, 2) if ($pdf);
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check_missing_tex(2) if ($pdf);
|
|
check_missing(\%map);
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|
|
|
return if (!$need && !$optional);
|
|
printf("You should run:\n") if ($verbose_warn_install);
|
|
printf("\n\tsudo zypper install --no-recommends $install\n");
|
|
}
|
|
|
|
sub give_mageia_hints()
|
|
{
|
|
my %map = (
|
|
"python-sphinx" => "python3-sphinx",
|
|
"sphinx_rtd_theme" => "python3-sphinx_rtd_theme",
|
|
"virtualenv" => "python3-virtualenv",
|
|
"dot" => "graphviz",
|
|
"convert" => "ImageMagick",
|
|
"Pod::Usage" => "perl-Pod-Usage",
|
|
"xelatex" => "texlive",
|
|
"rsvg-convert" => "librsvg2",
|
|
);
|
|
|
|
my @tex_pkgs = (
|
|
"texlive-fontsextra",
|
|
);
|
|
|
|
$map{"latexmk"} = "texlive-collection-basic";
|
|
|
|
my $packager_cmd;
|
|
my $noto_sans;
|
|
if ($system_release =~ /OpenMandriva/) {
|
|
$packager_cmd = "dnf install";
|
|
$noto_sans = "noto-sans-cjk-fonts";
|
|
@tex_pkgs = ( "texlive-collection-fontsextra" );
|
|
} else {
|
|
$packager_cmd = "urpmi";
|
|
$noto_sans = "google-noto-sans-cjk-ttc-fonts";
|
|
}
|
|
|
|
|
|
if ($pdf) {
|
|
check_missing_file(["/usr/share/fonts/google-noto-cjk/NotoSansCJK-Regular.ttc",
|
|
"/usr/share/fonts/TTF/NotoSans-Regular.ttf"],
|
|
$noto_sans, 2);
|
|
}
|
|
|
|
check_rpm_missing(\@tex_pkgs, 2) if ($pdf);
|
|
check_missing(\%map);
|
|
|
|
return if (!$need && !$optional);
|
|
printf("You should run:\n") if ($verbose_warn_install);
|
|
printf("\n\tsudo $packager_cmd $install\n");
|
|
}
|
|
|
|
sub give_arch_linux_hints()
|
|
{
|
|
my %map = (
|
|
"sphinx_rtd_theme" => "python-sphinx_rtd_theme",
|
|
"virtualenv" => "python-virtualenv",
|
|
"dot" => "graphviz",
|
|
"convert" => "imagemagick",
|
|
"xelatex" => "texlive-bin",
|
|
"latexmk" => "texlive-core",
|
|
"rsvg-convert" => "extra/librsvg",
|
|
);
|
|
|
|
my @archlinux_tex_pkgs = (
|
|
"texlive-core",
|
|
"texlive-latexextra",
|
|
"ttf-dejavu",
|
|
);
|
|
check_pacman_missing(\@archlinux_tex_pkgs, 2) if ($pdf);
|
|
|
|
if ($pdf) {
|
|
check_missing_file(["/usr/share/fonts/noto-cjk/NotoSansCJK-Regular.ttc"],
|
|
"noto-fonts-cjk", 2);
|
|
}
|
|
|
|
check_missing(\%map);
|
|
|
|
return if (!$need && !$optional);
|
|
printf("You should run:\n") if ($verbose_warn_install);
|
|
printf("\n\tsudo pacman -S $install\n");
|
|
}
|
|
|
|
sub give_gentoo_hints()
|
|
{
|
|
my %map = (
|
|
"sphinx_rtd_theme" => "dev-python/sphinx_rtd_theme",
|
|
"virtualenv" => "dev-python/virtualenv",
|
|
"dot" => "media-gfx/graphviz",
|
|
"convert" => "media-gfx/imagemagick",
|
|
"xelatex" => "dev-texlive/texlive-xetex media-fonts/dejavu",
|
|
"rsvg-convert" => "gnome-base/librsvg",
|
|
);
|
|
|
|
check_missing_file(["/usr/share/fonts/dejavu/DejaVuSans.ttf"],
|
|
"media-fonts/dejavu", 2) if ($pdf);
|
|
|
|
if ($pdf) {
|
|
check_missing_file(["/usr/share/fonts/noto-cjk/NotoSansCJKsc-Regular.otf",
|
|
"/usr/share/fonts/noto-cjk/NotoSerifCJK-Regular.ttc"],
|
|
"media-fonts/noto-cjk", 2);
|
|
}
|
|
|
|
check_missing(\%map);
|
|
|
|
return if (!$need && !$optional);
|
|
|
|
printf("You should run:\n") if ($verbose_warn_install);
|
|
printf("\n");
|
|
|
|
my $imagemagick = "media-gfx/imagemagick svg png";
|
|
my $cairo = "media-gfx/graphviz cairo pdf";
|
|
my $portage_imagemagick = "/etc/portage/package.use/imagemagick";
|
|
my $portage_cairo = "/etc/portage/package.use/graphviz";
|
|
|
|
if (qx(grep imagemagick $portage_imagemagick 2>/dev/null) eq "") {
|
|
printf("\tsudo su -c 'echo \"$imagemagick\" > $portage_imagemagick'\n")
|
|
}
|
|
if (qx(grep graphviz $portage_cairo 2>/dev/null) eq "") {
|
|
printf("\tsudo su -c 'echo \"$cairo\" > $portage_cairo'\n");
|
|
}
|
|
|
|
printf("\tsudo emerge --ask $install\n");
|
|
|
|
}
|
|
|
|
sub check_distros()
|
|
{
|
|
# Distro-specific hints
|
|
if ($system_release =~ /Red Hat Enterprise Linux/) {
|
|
give_redhat_hints;
|
|
return;
|
|
}
|
|
if ($system_release =~ /CentOS/) {
|
|
give_redhat_hints;
|
|
return;
|
|
}
|
|
if ($system_release =~ /Scientific Linux/) {
|
|
give_redhat_hints;
|
|
return;
|
|
}
|
|
if ($system_release =~ /Oracle Linux Server/) {
|
|
give_redhat_hints;
|
|
return;
|
|
}
|
|
if ($system_release =~ /Fedora/) {
|
|
give_redhat_hints;
|
|
return;
|
|
}
|
|
if ($system_release =~ /Ubuntu/) {
|
|
give_debian_hints;
|
|
return;
|
|
}
|
|
if ($system_release =~ /Debian/) {
|
|
give_debian_hints;
|
|
return;
|
|
}
|
|
if ($system_release =~ /openSUSE/) {
|
|
give_opensuse_hints;
|
|
return;
|
|
}
|
|
if ($system_release =~ /Mageia/) {
|
|
give_mageia_hints;
|
|
return;
|
|
}
|
|
if ($system_release =~ /OpenMandriva/) {
|
|
give_mageia_hints;
|
|
return;
|
|
}
|
|
if ($system_release =~ /Arch Linux/) {
|
|
give_arch_linux_hints;
|
|
return;
|
|
}
|
|
if ($system_release =~ /Gentoo/) {
|
|
give_gentoo_hints;
|
|
return;
|
|
}
|
|
|
|
#
|
|
# Fall-back to generic hint code for other distros
|
|
# That's far from ideal, specially for LaTeX dependencies.
|
|
#
|
|
my %map = (
|
|
"sphinx-build" => "sphinx"
|
|
);
|
|
check_missing_tex(2) if ($pdf);
|
|
check_missing(\%map);
|
|
print "I don't know distro $system_release.\n";
|
|
print "So, I can't provide you a hint with the install procedure.\n";
|
|
print "There are likely missing dependencies.\n";
|
|
}
|
|
|
|
#
|
|
# Common dependencies
|
|
#
|
|
|
|
sub deactivate_help()
|
|
{
|
|
printf "\n If you want to exit the virtualenv, you can use:\n";
|
|
printf "\tdeactivate\n";
|
|
}
|
|
|
|
sub get_virtenv()
|
|
{
|
|
my $ver;
|
|
my $min_activate = "$ENV{'PWD'}/${virtenv_prefix}${min_version}/bin/activate";
|
|
my @activates = glob "$ENV{'PWD'}/${virtenv_prefix}*/bin/activate";
|
|
|
|
@activates = sort {$b cmp $a} @activates;
|
|
|
|
foreach my $f (@activates) {
|
|
next if ($f lt $min_activate);
|
|
|
|
my $sphinx_cmd = $f;
|
|
$sphinx_cmd =~ s/activate/sphinx-build/;
|
|
next if (! -f $sphinx_cmd);
|
|
|
|
my $ver = get_sphinx_version($sphinx_cmd);
|
|
|
|
if (!$ver) {
|
|
$f =~ s#/bin/activate##;
|
|
print("Warning: virtual environment $f is not working.\nPython version upgrade? Remove it with:\n\n\trm -rf $f\n\n");
|
|
}
|
|
|
|
if ($need_sphinx && ($ver ge $min_version)) {
|
|
return ($f, $ver);
|
|
} elsif ($ver gt $cur_version) {
|
|
return ($f, $ver);
|
|
}
|
|
}
|
|
return ("", "");
|
|
}
|
|
|
|
sub recommend_sphinx_upgrade()
|
|
{
|
|
my $venv_ver;
|
|
|
|
# Avoid running sphinx-builds from venv if $cur_version is good
|
|
if ($cur_version && ($cur_version ge $rec_version)) {
|
|
$latest_avail_ver = $cur_version;
|
|
return;
|
|
}
|
|
|
|
# Get the highest version from sphinx_*/bin/sphinx-build and the
|
|
# corresponding command to activate the venv/virtenv
|
|
($activate_cmd, $venv_ver) = get_virtenv();
|
|
|
|
# Store the highest version from Sphinx existing virtualenvs
|
|
if (($activate_cmd ne "") && ($venv_ver gt $cur_version)) {
|
|
$latest_avail_ver = $venv_ver;
|
|
} else {
|
|
$latest_avail_ver = $cur_version if ($cur_version);
|
|
}
|
|
|
|
# As we don't know package version of Sphinx, and there's no
|
|
# virtual environments, don't check if upgrades are needed
|
|
if (!$virtualenv) {
|
|
return if (!$latest_avail_ver);
|
|
}
|
|
|
|
# Either there are already a virtual env or a new one should be created
|
|
$need_pip = 1;
|
|
|
|
return if (!$latest_avail_ver);
|
|
|
|
# Return if the reason is due to an upgrade or not
|
|
if ($latest_avail_ver lt $rec_version) {
|
|
$rec_sphinx_upgrade = 1;
|
|
}
|
|
|
|
return $latest_avail_ver;
|
|
}
|
|
|
|
#
|
|
# The logic here is complex, as it have to deal with different versions:
|
|
# - minimal supported version;
|
|
# - minimal PDF version;
|
|
# - recommended version.
|
|
# It also needs to work fine with both distro's package and venv/virtualenv
|
|
sub recommend_sphinx_version($)
|
|
{
|
|
my $virtualenv_cmd = shift;
|
|
|
|
# Version is OK. Nothing to do.
|
|
if ($cur_version && ($cur_version ge $rec_version)) {
|
|
if ($cur_version lt $min_pdf_version) {
|
|
print "note: If you want pdf, you need at least Sphinx $min_pdf_version.\n";
|
|
}
|
|
return;
|
|
};
|
|
|
|
if (!$need_sphinx) {
|
|
# sphinx-build is present and its version is >= $min_version
|
|
|
|
#only recommend enabling a newer virtenv version if makes sense.
|
|
if ($latest_avail_ver gt $cur_version) {
|
|
printf "\nYou may also use the newer Sphinx version $latest_avail_ver with:\n";
|
|
printf "\tdeactivate\n" if ($ENV{'PWD'} =~ /${virtenv_prefix}/);
|
|
printf "\t. $activate_cmd\n";
|
|
deactivate_help();
|
|
|
|
return;
|
|
}
|
|
return if ($latest_avail_ver ge $rec_version);
|
|
}
|
|
|
|
if (!$virtualenv) {
|
|
# No sphinx either via package or via virtenv. As we can't
|
|
# Compare the versions here, just return, recommending the
|
|
# user to install it from the package distro.
|
|
return if (!$latest_avail_ver);
|
|
|
|
# User doesn't want a virtenv recommendation, but he already
|
|
# installed one via virtenv with a newer version.
|
|
# So, print commands to enable it
|
|
if ($latest_avail_ver gt $cur_version) {
|
|
printf "\nYou may also use the Sphinx virtualenv version $latest_avail_ver with:\n";
|
|
printf "\tdeactivate\n" if ($ENV{'PWD'} =~ /${virtenv_prefix}/);
|
|
printf "\t. $activate_cmd\n";
|
|
deactivate_help();
|
|
|
|
return;
|
|
}
|
|
print "\n";
|
|
} else {
|
|
$need++ if ($need_sphinx);
|
|
}
|
|
|
|
# Suggest newer versions if current ones are too old
|
|
if ($latest_avail_ver && $latest_avail_ver ge $min_version) {
|
|
# If there's a good enough version, ask the user to enable it
|
|
if ($latest_avail_ver ge $rec_version) {
|
|
printf "\nNeed to activate Sphinx (version $latest_avail_ver) on virtualenv with:\n";
|
|
printf "\t. $activate_cmd\n";
|
|
deactivate_help();
|
|
|
|
if ($latest_avail_ver lt $min_pdf_version) {
|
|
print "note: If you want pdf, you need at least Sphinx $min_pdf_version.\n";
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
# Version is above the minimal required one, but may be
|
|
# below the recommended one. So, print warnings/notes
|
|
|
|
if ($latest_avail_ver lt $rec_version) {
|
|
print "Warning: It is recommended at least Sphinx version $rec_version.\n";
|
|
}
|
|
}
|
|
|
|
# At this point, either it needs Sphinx or upgrade is recommended,
|
|
# both via pip
|
|
|
|
if ($rec_sphinx_upgrade) {
|
|
if (!$virtualenv) {
|
|
print "Instead of install/upgrade Python Sphinx pkg, you could use pip/pypi with:\n\n";
|
|
} else {
|
|
print "To upgrade Sphinx, use:\n\n";
|
|
}
|
|
} else {
|
|
print "\nSphinx needs to be installed either:\n1) via pip/pypi with:\n\n";
|
|
}
|
|
|
|
$python_cmd = find_python_no_venv();
|
|
|
|
printf "\t$virtualenv_cmd $virtenv_dir\n";
|
|
|
|
printf "\t. $virtenv_dir/bin/activate\n";
|
|
printf "\tpip install -r $requirement_file\n";
|
|
deactivate_help();
|
|
|
|
printf "\n2) As a package with:\n";
|
|
|
|
my $old_need = $need;
|
|
my $old_optional = $optional;
|
|
%missing = ();
|
|
$pdf = 0;
|
|
$optional = 0;
|
|
$install = "";
|
|
$verbose_warn_install = 0;
|
|
|
|
add_package("python-sphinx", 0);
|
|
check_python_module("sphinx_rtd_theme", 1);
|
|
|
|
check_distros();
|
|
|
|
$need = $old_need;
|
|
$optional = $old_optional;
|
|
|
|
printf "\n Please note that Sphinx >= 3.0 will currently produce false-positive\n";
|
|
printf " warning when the same name is used for more than one type (functions,\n";
|
|
printf " structs, enums,...). This is known Sphinx bug. For more details, see:\n";
|
|
printf "\thttps://github.com/sphinx-doc/sphinx/pull/8313\n";
|
|
}
|
|
|
|
sub check_needs()
|
|
{
|
|
# Check if Sphinx is already accessible from current environment
|
|
check_sphinx();
|
|
|
|
if ($system_release) {
|
|
print "Detected OS: $system_release.\n";
|
|
} else {
|
|
print "Unknown OS\n";
|
|
}
|
|
printf "Sphinx version: %s\n\n", $cur_version if ($cur_version);
|
|
|
|
# Check python command line, trying first python3
|
|
$python_cmd = findprog("python3");
|
|
$python_cmd = check_program("python", 0) if (!$python_cmd);
|
|
|
|
# Check the type of virtual env, depending on Python version
|
|
if ($python_cmd) {
|
|
if ($virtualenv) {
|
|
my $tmp = qx($python_cmd --version 2>&1);
|
|
if ($tmp =~ m/(\d+\.)(\d+\.)/) {
|
|
if ($1 < 3) {
|
|
# Fail if it finds python2 (or worse)
|
|
die "Python 3 is required to build the kernel docs\n";
|
|
}
|
|
if ($1 == 3 && $2 < 3) {
|
|
# Need Python 3.3 or upper for venv
|
|
$need_virtualenv = 1;
|
|
}
|
|
} else {
|
|
die "Warning: couldn't identify $python_cmd version!";
|
|
}
|
|
} else {
|
|
add_package("python-sphinx", 0);
|
|
}
|
|
}
|
|
|
|
my $venv_ver = recommend_sphinx_upgrade();
|
|
|
|
my $virtualenv_cmd;
|
|
|
|
if ($need_pip) {
|
|
# Set virtualenv command line, if python < 3.3
|
|
if ($need_virtualenv) {
|
|
$virtualenv_cmd = findprog("virtualenv-3");
|
|
$virtualenv_cmd = findprog("virtualenv-3.5") if (!$virtualenv_cmd);
|
|
if (!$virtualenv_cmd) {
|
|
check_program("virtualenv", 0);
|
|
$virtualenv_cmd = "virtualenv";
|
|
}
|
|
} else {
|
|
$virtualenv_cmd = "$python_cmd -m venv";
|
|
check_python_module("ensurepip", 0);
|
|
}
|
|
}
|
|
|
|
# Check for needed programs/tools
|
|
check_perl_module("Pod::Usage", 0);
|
|
check_program("make", 0);
|
|
check_program("gcc", 0);
|
|
check_python_module("sphinx_rtd_theme", 1) if (!$virtualenv);
|
|
check_program("dot", 1);
|
|
check_program("convert", 1);
|
|
|
|
# Extra PDF files - should use 2 for is_optional
|
|
check_program("xelatex", 2) if ($pdf);
|
|
check_program("rsvg-convert", 2) if ($pdf);
|
|
check_program("latexmk", 2) if ($pdf);
|
|
|
|
# Do distro-specific checks and output distro-install commands
|
|
check_distros();
|
|
|
|
if (!$python_cmd) {
|
|
if ($need == 1) {
|
|
die "Can't build as $need mandatory dependency is missing";
|
|
} elsif ($need) {
|
|
die "Can't build as $need mandatory dependencies are missing";
|
|
}
|
|
}
|
|
|
|
# Check if sphinx-build is called sphinx-build-3
|
|
if ($need_symlink) {
|
|
printf "\tsudo ln -sf %s /usr/bin/sphinx-build\n\n",
|
|
which("sphinx-build-3");
|
|
}
|
|
|
|
recommend_sphinx_version($virtualenv_cmd);
|
|
printf "\n";
|
|
|
|
print "All optional dependencies are met.\n" if (!$optional);
|
|
|
|
if ($need == 1) {
|
|
die "Can't build as $need mandatory dependency is missing";
|
|
} elsif ($need) {
|
|
die "Can't build as $need mandatory dependencies are missing";
|
|
}
|
|
|
|
print "Needed package dependencies are met.\n";
|
|
}
|
|
|
|
#
|
|
# Main
|
|
#
|
|
|
|
while (@ARGV) {
|
|
my $arg = shift(@ARGV);
|
|
|
|
if ($arg eq "--no-virtualenv") {
|
|
$virtualenv = 0;
|
|
} elsif ($arg eq "--no-pdf"){
|
|
$pdf = 0;
|
|
} elsif ($arg eq "--version-check"){
|
|
$version_check = 1;
|
|
} else {
|
|
print "Usage:\n\t$0 <--no-virtualenv> <--no-pdf> <--version-check>\n\n";
|
|
print "Where:\n";
|
|
print "\t--no-virtualenv\t- Recommend installing Sphinx instead of using a virtualenv\n";
|
|
print "\t--version-check\t- if version is compatible, don't check for missing dependencies\n";
|
|
print "\t--no-pdf\t- don't check for dependencies required to build PDF docs\n\n";
|
|
exit -1;
|
|
}
|
|
}
|
|
|
|
#
|
|
# Determine the system type. There's no standard unique way that would
|
|
# work with all distros with a minimal package install. So, several
|
|
# methods are used here.
|
|
#
|
|
# By default, it will use lsb_release function. If not available, it will
|
|
# fail back to reading the known different places where the distro name
|
|
# is stored
|
|
#
|
|
|
|
$system_release = qx(lsb_release -d) if which("lsb_release");
|
|
$system_release =~ s/Description:\s*// if ($system_release);
|
|
$system_release = catcheck("/etc/system-release") if !$system_release;
|
|
$system_release = catcheck("/etc/redhat-release") if !$system_release;
|
|
$system_release = catcheck("/etc/lsb-release") if !$system_release;
|
|
$system_release = catcheck("/etc/gentoo-release") if !$system_release;
|
|
|
|
# This seems more common than LSB these days
|
|
if (!$system_release) {
|
|
my %os_var;
|
|
if (open IN, "cat /etc/os-release|") {
|
|
while (<IN>) {
|
|
if (m/^([\w\d\_]+)=\"?([^\"]*)\"?\n/) {
|
|
$os_var{$1}=$2;
|
|
}
|
|
}
|
|
$system_release = $os_var{"NAME"};
|
|
if (defined($os_var{"VERSION_ID"})) {
|
|
$system_release .= " " . $os_var{"VERSION_ID"} if (defined($os_var{"VERSION_ID"}));
|
|
} else {
|
|
$system_release .= " " . $os_var{"VERSION"};
|
|
}
|
|
}
|
|
}
|
|
$system_release = catcheck("/etc/issue") if !$system_release;
|
|
$system_release =~ s/\s+$//;
|
|
|
|
check_needs;
|