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scripts/sphinx-pre-install: add minimum support for RHEL

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RHEL 7.x and clone distros are shipped with Sphinx 1.1.x,
with is incompatible with Kernel ReST markups.

So, on those systems, the only alternative is to install
it via a Python virtual environment.

While seeking for "pip" on CentOS 7.3, I noticed that it
is not really needed, as python-virtualenv has its version
packaged there already. So, remove this from the list of
requirements for all distributions.

With regards to PDF, we need at least texlive-tabulary
extension, but that is not shipped there (at least on
CentOS). So, disable PDF packages as a whole.

Please notice, however, that texlive + amsmath is needed for
ReST to properly handle ReST ".. math::" tags. Yet, Sphinx
fall back to display the LaTeX math expressions as-is, if
such extension is not available.

So, let's just disable all texlive packages as a whole.

Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This commit is contained in:
Mauro Carvalho Chehab 2017-07-24 09:09:24 -03:00 committed by Jonathan Corbet
parent 3d91a35367
commit 9b756a9d07
1 changed files with 42 additions and 12 deletions
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54
scripts/sphinx-pre-install
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@ -216,7 +216,6 @@ sub check_sphinx()
$prog = findprog("virtualenv-3.5") if (!$prog);
check_program("virtualenv", 0) if (!$prog);
check_program("pip", 0) if (!findprog("pip3"));
$need_sphinx = 1;
} else {
add_package("python-sphinx", 0);
@ -256,7 +255,6 @@ sub give_debian_hints()
"python-sphinx" => "python3-sphinx",
"sphinx_rtd_theme" => "python3-sphinx-rtd-theme",
"virtualenv" => "virtualenv",
"pip" => "python3-pip",
"dot" => "graphviz",
"convert" => "imagemagick",
"Pod::Usage" => "perl-modules",
@ -282,7 +280,6 @@ sub give_redhat_hints()
"python-sphinx" => "python3-sphinx",
"sphinx_rtd_theme" => "python3-sphinx_rtd_theme",
"virtualenv" => "python3-virtualenv",
"pip" => "python3-pip",
"dot" => "graphviz",
"convert" => "ImageMagick",
"Pod::Usage" => "perl-Pod-Usage",
@ -302,6 +299,13 @@ sub give_redhat_hints()
"dejavu-sans-mono-fonts",
);
#
# Checks valid for RHEL/CentOS version 7.x.
#
if (! $system_release =~ /Fedora/) {
$map{"virtualenv"} = "python-virtualenv";
}
my $release;
$release = $1 if ($system_release =~ /Fedora\s+release\s+(\d+)/);
@ -312,7 +316,14 @@ sub give_redhat_hints()
check_missing(\%map);
return if (!$need && !$optional);
printf("You should run:\n\n\tsudo dnf install -y $install\n");
if ($release >= 18) {
# dnf, for Fedora 18+
printf("You should run:\n\n\tsudo dnf install -y $install\n");
} else {
# yum, for RHEL (and clones) or Fedora version < 18
printf("You should run:\n\n\tsudo yum install -y $install\n");
}
}
sub give_opensuse_hints()
@ -321,7 +332,6 @@ sub give_opensuse_hints()
"python-sphinx" => "python3-sphinx",
"sphinx_rtd_theme" => "python3-sphinx_rtd_theme",
"virtualenv" => "python3-virtualenv",
"pip" => "python3-pip",
"dot" => "graphviz",
"convert" => "ImageMagick",
"Pod::Usage" => "perl-Pod-Usage",
@ -360,7 +370,6 @@ sub give_mageia_hints()
"python-sphinx" => "python3-sphinx",
"sphinx_rtd_theme" => "python3-sphinx_rtd_theme",
"virtualenv" => "python3-virtualenv",
"pip" => "python3-pip",
"dot" => "graphviz",
"convert" => "ImageMagick",
"Pod::Usage" => "perl-Pod-Usage",
@ -372,8 +381,6 @@ sub give_mageia_hints()
"texlive-fontsextra",
);
my $release;
check_rpm_missing(\@tex_pkgs, 1) if ($pdf);
check_missing(\%map);
@ -386,7 +393,6 @@ sub give_arch_linux_hints()
my %map = (
"sphinx_rtd_theme" => "python-sphinx_rtd_theme",
"virtualenv" => "python-virtualenv",
"pip" => "python-pip",
"dot" => "graphviz",
"convert" => "imagemagick",
"xelatex" => "texlive-bin",
@ -410,7 +416,6 @@ sub give_gentoo_hints()
my %map = (
"sphinx_rtd_theme" => "dev-python/sphinx_rtd_theme",
"virtualenv" => "dev-python/virtualenv",
"pip" => "dev-python/pip",
"dot" => "media-gfx/graphviz",
"convert" => "media-gfx/imagemagick",
"xelatex" => "dev-texlive/texlive-xetex media-fonts/dejavu",
@ -438,6 +443,18 @@ sub check_distros()
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;
@ -488,9 +505,22 @@ sub check_distros()
sub check_needs()
{
if ($system_release) {
print "Checking if the needed tools for $system_release are available\n";
print "Detected OS: $system_release.\n";
} else {
print "Checking if the needed tools are present\n";
print "Unknown OS\n";
}
# RHEL 7.x and clones have Sphinx version 1.1.x and incomplete texlive
if (($system_release =~ /Red Hat Enterprise Linux/) ||
($system_release =~ /CentOS/) ||
($system_release =~ /Scientific Linux/) ||
($system_release =~ /Oracle Linux Server/)) {
$virtualenv = 1;
$pdf = 0;
printf("NOTE: On this distro, Sphinx and TexLive shipped versions are incompatible\n");
printf("with doc build. So, use Sphinx via a Python virtual environment.\n\n");
printf("This script can't install a TexLive version that would provide PDF.\n");
}
# Check for needed programs/tools