linux-kernel - [PATCH v2 13/39] scripts: sphinx-pre-install: cleanup rhel support

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Message-ID: <65ae48c45bf7aada8b90a7bdb8d97bc661ead4f8.1752067814.git.mchehab+huawei@kernel.org>
Date: Wed,  9 Jul 2025 15:51:45 +0200
From: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
To: Linux Doc Mailing List <linux-doc@...r.kernel.org>,
	Jonathan Corbet <corbet@....net>
Cc: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>,
	"Akira Yokosawa" <akiyks@...il.com>,
	Mauro Carvalho Chehab <mchehab@...nel.org>,
	linux-kernel@...r.kernel.org
Subject: [PATCH v2 13/39] scripts: sphinx-pre-install: cleanup rhel support

Rhel < 8.0 is not supported anymore. Drop support for it.

Rhel 8 is problematic: at least on the tests I did with a
docker repo, it didn't work, but it could be due to the issue
that it is actually different than a real One.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
---
 scripts/sphinx-pre-install.py | 26 +++++++++++++++++++++-----
 1 file changed, 21 insertions(+), 5 deletions(-)

diff --git a/scripts/sphinx-pre-install.py b/scripts/sphinx-pre-install.py
index 808d31bfa790..42f55e67256d 100755
--- a/scripts/sphinx-pre-install.py
+++ b/scripts/sphinx-pre-install.py
@@ -487,15 +487,31 @@ class SphinxDependencyChecker:
 
             progs["virtualenv"] = "python-virtualenv"
 
-            if rel and rel < 8:
+            if not rel or rel < 8:
                 old = 1
                 self.pdf = False
 
-                # RHEL 7 is in ELS, currently up to Jun, 2026
+                print("ERROR: Distro not supported. Too old?")
+                return
+
+            # TODO: check if RHEL8 still works.
+            # On my tests with  docker "redhat/ubi8" image, there's no
+            # python3-sphinx (or similar) package. It comes with Python 3.6,
+            # but there are other python packages over there, so it may be
+            # possible to work with venv.
+
+            if self.first_hint:
+                print("Note: RHEL-based distros typically require extra repositories.\n" \
+                      "For most, enabling epel and crb are enough:\n" \
+                      "\tsudo dnf install -y epel-release", \
+                      "\tsudo dnf config-manager --set-enabled crb\n" \
+                      "Yet, some may have other required repositories. Those commands could be useful:" \
+                      "\tsudo dnf repolist all" \
+                      "\tsudo repoquery --available --info <pkgs>",
+                      "\tsudo dnf config-manager --set-enabled '*' # enable all - probably not what you want")
+
+                self.first_hint = False
 
-                print("Note: texlive packages on RHEL/CENTOS <= 7 are incomplete. Can't support PDF output")
-                print("If you want to build PDF, please read:")
-                print("\thttps://www.systutorials.com/241660/how-to-install-tex-live-on-centos-7-linux/")
 
         if self.pdf:
             pdf_pkgs = [
-- 
2.49.0