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Message-Id: <ca4759045f92716cc190e5e27d2cd011e4843064.1616675785.git.mchehab+huawei@kernel.org>
Date: Thu, 25 Mar 2021 13:37:34 +0100
From: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
To: Linux Doc Mailing List <linux-doc@...r.kernel.org>
Cc: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>,
"Jonathan Corbet" <corbet@....net>,
Masahiro Yamada <masahiroy@...nel.org>,
Mauro Carvalho Chehab <mchehab@...nel.org>,
Michal Marek <michal.lkml@...kovi.net>,
linux-kbuild@...r.kernel.org, linux-kernel@...r.kernel.org,
linux-media@...r.kernel.org
Subject: [PATCH v4] docs: experimental: build PDF with rst2pdf
Add an experimental PDF builder using rst2pdf.
This extension is only enabled when "pdf" builder is selected.
So, it won't interfere with normal documentation builds. I opted
to not add a try..except block, as the message is already
good enough if one tries to do a "make rst2pdf" but the extension
is missed:
Extension error:
Could not import extension rst2pdf.pdfbuilder (exception: No module named 'rst2pdf')
This won't affect "make pdfdocs", as it uses the "latex" builder
instead.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
---
v4:
- only enable the rst2pdf extension when required, e. g. when
$ make rst2pdf
is used.
Documentation/Makefile | 5 +++++
Documentation/conf.py | 20 ++++++++++++++------
Documentation/sphinx/load_config.py | 12 ++++++++++++
Documentation/userspace-api/media/Makefile | 1 +
Makefile | 4 ++--
5 files changed, 34 insertions(+), 8 deletions(-)
diff --git a/Documentation/Makefile b/Documentation/Makefile
index 9c42dde97671..42b76f25681f 100644
--- a/Documentation/Makefile
+++ b/Documentation/Makefile
@@ -115,6 +115,10 @@ pdfdocs: latexdocs
endif # HAVE_PDFLATEX
+rst2pdf:
+ @$(srctree)/scripts/sphinx-pre-install --version-check
+ @+$(foreach var,$(SPHINXDIRS),$(call loop_cmd,sphinx,pdf,$(var),pdf,$(var)))
+
epubdocs:
@$(srctree)/scripts/sphinx-pre-install --version-check
@+$(foreach var,$(SPHINXDIRS),$(call loop_cmd,sphinx,epub,$(var),epub,$(var)))
@@ -140,6 +144,7 @@ dochelp:
@echo ' htmldocs - HTML'
@echo ' latexdocs - LaTeX'
@echo ' pdfdocs - PDF'
+ @echo ' rst2pdf - PDF, using experimental rst2pdf support'
@echo ' epubdocs - EPUB'
@echo ' xmldocs - XML'
@echo ' linkcheckdocs - check for broken external links'
diff --git a/Documentation/conf.py b/Documentation/conf.py
index 879e86dbea66..217a9e682099 100644
--- a/Documentation/conf.py
+++ b/Documentation/conf.py
@@ -118,6 +118,11 @@ autosectionlabel_maxdepth = 2
extensions.append("sphinx.ext.imgmath")
+# Enable experimental rst2pdf, if available and selected by the user
+for i in range(1, len(sys.argv)):
+ if sys.argv[i] == "pdf":
+ extensions.append('rst2pdf.pdfbuilder')
+
# Add any paths that contain templates here, relative to this directory.
templates_path = ['_templates']
@@ -553,12 +558,15 @@ epub_exclude_files = ['search.html']
#
# See the Sphinx chapter of https://ralsina.me/static/manual.pdf
#
-# FIXME: Do not add the index file here; the result will be too big. Adding
-# multiple PDF files here actually tries to get the cross-referencing right
-# *between* PDF files.
-pdf_documents = [
- ('kernel-documentation', u'Kernel', u'Kernel', u'J. Random Bozo'),
-]
+
+# Add all LaTeX files to PDF documents as well
+pdf_documents = []
+for l in latex_documents:
+ doc = l[0]
+ fn = l[1].replace(".tex", "")
+ name = l[2]
+ authors = l[3]
+ pdf_documents.append((doc, fn, name, authors))
# kernel-doc extension configuration for running Sphinx directly (e.g. by Read
# the Docs). In a normal build, these are supplied from the Makefile via command
diff --git a/Documentation/sphinx/load_config.py b/Documentation/sphinx/load_config.py
index eeb394b39e2c..8266afd438aa 100644
--- a/Documentation/sphinx/load_config.py
+++ b/Documentation/sphinx/load_config.py
@@ -43,6 +43,18 @@ def loadConfig(namespace):
namespace['latex_documents'] = new_latex_docs
+ new_pdf_docs = []
+ pdf_documents = namespace['pdf_documents']
+
+ for l in pdf_documents:
+ if l[0].find(dir + '/') == 0:
+ has = True
+ fn = l[0][len(dir) + 1:]
+ new_pdf_docs.append((fn, l[1], l[2], l[3]))
+ break
+
+ namespace['pdf_documents'] = new_pdf_docs
+
# If there is an extra conf.py file, load it
if os.path.isfile(config_file):
sys.stdout.write("load additional sphinx-config: %s\n" % config_file)
diff --git a/Documentation/userspace-api/media/Makefile b/Documentation/userspace-api/media/Makefile
index 81a4a1a53bce..8c6b3ac4ecb0 100644
--- a/Documentation/userspace-api/media/Makefile
+++ b/Documentation/userspace-api/media/Makefile
@@ -59,6 +59,7 @@ all: $(IMGDOT) $(BUILDDIR) ${TARGETS}
html: all
epub: all
xml: all
+pdf: all
latex: $(IMGPDF) all
linkcheck:
diff --git a/Makefile b/Makefile
index 193ebb83c34a..741c580b3626 100644
--- a/Makefile
+++ b/Makefile
@@ -270,7 +270,7 @@ no-dot-config-targets := $(clean-targets) \
cscope gtags TAGS tags help% %docs check% coccicheck \
$(version_h) headers headers_% archheaders archscripts \
%asm-generic kernelversion %src-pkg dt_binding_check \
- outputmakefile rustfmt rustfmtcheck
+ outputmakefile rustfmt rustfmtcheck rst2pdf
# Installation targets should not require compiler. Unfortunately, vdso_install
# is an exception where build artifacts may be updated. This must be fixed.
no-compiler-targets := $(no-dot-config-targets) install dtbs_install \
@@ -1816,7 +1816,7 @@ $(help-board-dirs): help-%:
# Documentation targets
# ---------------------------------------------------------------------------
-DOC_TARGETS := xmldocs latexdocs pdfdocs htmldocs epubdocs cleandocs \
+DOC_TARGETS := xmldocs latexdocs pdfdocs rst2pdf htmldocs epubdocs cleandocs \
linkcheckdocs dochelp refcheckdocs
PHONY += $(DOC_TARGETS)
$(DOC_TARGETS):
--
2.30.2
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