my $prefix = "./";
$prefix = "$ENV{'srctree'}/"if ($ENV{'srctree'});
my $conf = $prefix . "Documentation/conf.py";
my $requirement_file = $prefix . "Documentation/sphinx/requirements.txt";
my $virtenv_prefix = "sphinx_";
java.lang.NullPointerException # Static vars
java.lang.NullPointerException
my %missing;
my $system_release;
my $need = 0;
my $optional = 0;
my $need_symlink = 0;
my $need_sphinx = 0;
my $need_pip = 0;
my $need_virtualenv = 0;
my $rec_sphinx_upgrade = 0;
my $verbose_warn_install = 1;
my $install = "";
my $virtenv_dir = "";
my $python_cmd = "";
my $activate_cmd;
my $min_version;
my $cur_version;
my $rec_version = "3.4.3";
my $latest_avail_ver;
java.lang.NullPointerException # Command line arguments
java.lang.NullPointerException
my $pdf = 1;
my $virtualenv = 1;
my $version_check = 0;
java.lang.NullPointerException # List of required texlive packages on Fedora and OpenSuse
java.lang.NullPointerException
java.lang.NullPointerException # Subroutines that checks if a feature exists
java.lang.NullPointerException
sub check_missing(%)
{
my %map = %{$_[0]};
foreach my $prog (sort keys %missing) {
my $is_optional = $missing{$prog};
# At least on some LTS distros like CentOS 7, texlive doesn't # provide all packages we need. When such distros are # detected, we have to disable PDF output.
java.lang.NullPointerException # So, we need to ignore the packages that distros would # need for LaTeX to work if ($is_optional == 2 && !$pdf) {
$optional--;
next;
}
if ($verbose_warn_install) { if ($is_optional) {
print "Warning: better to also install \"$prog\".\n";
} else {
print "ERROR: please install \"$prog\", otherwise, build won't work.\n";
}
} if (defined($map{$prog})) {
$install .= " " . $map{$prog};
} else {
$install .= " " . $prog;
}
}
$install =~ s/^\s//;
}
sub add_package($$)
{
my $package = shift;
my $is_optional = shift;
sub check_missing_file($$$)
{
my $files = shift;
my $package = shift;
my $is_optional = shift;
for (@$files) { returnif(-e $_);
}
add_package($package, $is_optional);
}
sub findprog($)
{
foreach(split(/:/, $ENV{PATH})) { return"$_/$_[0]"if(-x "$_/$_[0]");
}
}
sub find_python_no_venv()
{
my $prog = shift;
my $cur_dir = qx(pwd);
$cur_dir =~ s/\s+$//;
foreach my $dir (split(/:/, $ENV{PATH})) {
next if ($dir =~ m,($cur_dir)/sphinx,); return"$dir/python3"if(-x "$dir/python3");
}
foreach my $dir (split(/:/, $ENV{PATH})) {
next if ($dir =~ m,($cur_dir)/sphinx,); return"$dir/python"if(-x "$dir/python");
} return"python";
}
sub check_program($$)
{
my $prog = shift;
my $is_optional = shift;
return $prog if findprog($prog);
add_package($prog, $is_optional);
}
sub check_perl_module($$)
{
my $prog = shift;
my $is_optional = shift;
sub get_sphinx_version($)
{
my $cmd = shift;
my $ver;
open IN, "$cmd --version 2>&1 |"; while (<IN>) { if (m/^\s*sphinx-build\s+([\d\.]+)((\+\/[\da-f]+)|(b\d+))?$/) {
$ver=$1;
last;
} # Sphinx 1.2.x uses a different format if (m/^\s*Sphinx.*\s+([\d\.]+)$/) {
$ver=$1;
last;
}
}
close IN; return $ver;
}
sub check_sphinx()
{
open IN, $conf or die "Can't open $conf"; while (<IN>) { if (m/^\s*needs_sphinx\s*=\s*[\'\"]([\d\.]+)[\'\"]/) {
$min_version=$1;
last;
}
}
close IN;
die "Can't get needs_sphinx version from $conf"if (!$min_version);
$virtenv_dir = $virtenv_prefix . "latest";
my $sphinx = get_sphinx_fname(); if ($sphinx eq "") {
$need_sphinx = 1; return;
}
$cur_version = get_sphinx_version($sphinx);
die "$sphinx didn't return its version"if (!$cur_version);
if ($cur_version lt $min_version) {
printf "ERROR: Sphinx version is %s. It should be >= %s\n",
$cur_version, $min_version;
$need_sphinx = 1; return;
}
returnif ($cur_version lt $rec_version);
# On version check mode, just assume Sphinx has all mandatory deps exit (0) if ($version_check);
}
java.lang.NullPointerException # Checks valid for RHEL/CentOS version 7.x.
java.lang.NullPointerException
my $old = 0;
my $rel;
my $noto_sans_redhat = "google-noto-sans-cjk-ttc-fonts";
$rel = $1 if ($system_release =~ /(release|Linux)\s+(\d+)/);
if (!($system_release =~ /Fedora/)) {
$map{"virtualenv"} = "python-virtualenv";
if ($rel && $rel < 8) {
$old = 1;
$pdf = 0;
printf("Note: texlive packages on RHEL/CENTOS <= 7 are incomplete. Can't support PDF output\n");
printf("If you want to build PDF, please read:\n");
printf("\thttps://www.systutorials.com/241660/how-to-install-tex-live-on-centos-7-linux/\n");
}
} else { if ($rel && $rel < 26) {
$old = 1;
} if ($rel && $rel >= 38) {
$noto_sans_redhat = "google-noto-sans-cjk-fonts";
}
} if (!$rel) {
printf("Couldn't identify release number\n");
$old = 1;
$pdf = 0;
}
if ($pdf) {
check_missing_file(["/usr/share/fonts/google-noto-cjk/NotoSansCJK-Regular.ttc", "/usr/share/fonts/google-noto-sans-cjk-fonts/NotoSansCJK-Regular.ttc"],
$noto_sans_redhat, 2);
}
check_rpm_missing(\@fedora26_opt_pkgs, 2) if ($pdf && !$old);
check_rpm_missing(\@fedora_tex_pkgs, 2) if ($pdf);
check_missing_tex(2) if ($pdf);
check_missing(\%map);
returnif (!$need && !$optional);
if (!$old) { # dnf, for Fedora 18+
printf("You should run:\n") if ($verbose_warn_install);
printf("\n\tsudo dnf install -y $install\n");
} else { # yum, for RHEL (and clones) or Fedora version < 18
printf("You should run:\n") if ($verbose_warn_install);
printf("\n\tsudo yum install -y $install\n");
}
}
# FIXME: add support for installing CJK fonts
java.lang.NullPointerException # I tried hard, but was unable to find a way to install # "Noto Sans CJK SC" on openSUSE
check_rpm_missing(\@suse_tex_pkgs, 2) if ($pdf);
check_missing_tex(2) if ($pdf);
check_missing(\%map);
returnif (!$need && !$optional);
printf("You should run:\n") if ($verbose_warn_install);
printf("\n\tsudo zypper install --no-recommends $install\n");
}
check_missing_file(["/usr/share/fonts/dejavu/DejaVuSans.ttf"], "media-fonts/dejavu", 2) if ($pdf);
if ($pdf) {
check_missing_file(["/usr/share/fonts/noto-cjk/NotoSansCJKsc-Regular.otf", "/usr/share/fonts/noto-cjk/NotoSerifCJK-Regular.ttc"], "media-fonts/noto-cjk", 2);
}
check_missing(\%map);
returnif (!$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 ($system_release =~ /Gentoo/) {
give_gentoo_hints; return;
}
java.lang.NullPointerException # Fall-back to generic hint code for other distros # That's far from ideal, specially for LaTeX dependencies.
java.lang.NullPointerException
my %map = ( "sphinx-build" => "sphinx"
);
check_missing_tex(2) if ($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";
}
java.lang.NullPointerException # Common dependencies
java.lang.NullPointerException
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");
}
# 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 (!$virtualenv) { returnif (!$latest_avail_ver);
}
# Either there are already a virtual env or a new one should be created
$need_pip = 1;
returnif (!$latest_avail_ver);
# Returnif the reason is due to an upgrade ornot if ($latest_avail_ver lt $rec_version) {
$rec_sphinx_upgrade = 1;
}
return $latest_avail_ver;
}
java.lang.NullPointerException # The logic here is complex, as it have to deal with different versions: # - minimal supported version; # - minimal PDF version; # - recommended version. # It also needs to work fine with both distro's package and venv/virtualenv
sub recommend_sphinx_version($)
{
my $virtualenv_cmd = shift;
# Version is OK. Nothing to do. if ($cur_version && ($cur_version ge $rec_version)) { return;
};
if (!$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. $activate_cmd\n";
deactivate_help();
return;
} returnif ($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. returnif (!$latest_avail_ver);
# User doesn't want a virtenv recommendation, but he already # installed one via virtenv with a newer version. # So, print commands to enable it if ($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. $activate_cmd\n";
deactivate_help();
# Suggest newer versions if current ones are too old if ($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. $activate_cmd\n";
deactivate_help();
return;
}
# Version is above the minimal required one, but may be # below the recommended one. So, print warnings/notes
if ($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";
}
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();
# 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);
}
}
# 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");
}
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";
}
java.lang.NullPointerException # Main
java.lang.NullPointerException
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;
}
}
java.lang.NullPointerException # 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.
java.lang.NullPointerException # By default, it will use lsb_release function. Ifnot available, it will # fail back to reading the known different places where the distro name # is stored
java.lang.NullPointerException
$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;
Messung V0.5 in Prozent
¤ Dauer der Verarbeitung: 0.16 Sekunden
(vorverarbeitet am 2026-04-28)
¤
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Bemerkung:
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