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Mauro Carvalho Chehabcb43fb52017-05-14 11:50:01 -03001# -*- makefile -*-
2# Makefile for Sphinx documentation
3#
4
Shuah Khan18489292016-10-06 16:00:50 -06005subdir-y :=
Mauro Carvalho Chehabcb43fb52017-05-14 11:50:01 -03006
7# You can set these variables from the command line.
8SPHINXBUILD = sphinx-build
9SPHINXOPTS =
10SPHINXDIRS = .
11_SPHINXDIRS = $(patsubst $(srctree)/Documentation/%/conf.py,%,$(wildcard $(srctree)/Documentation/*/conf.py))
12SPHINX_CONF = conf.py
13PAPER =
14BUILDDIR = $(obj)/output
15PDFLATEX = xelatex
16LATEXOPTS = -interaction=batchmode
17
18# User-friendly check for sphinx-build
19HAVE_SPHINX := $(shell if which $(SPHINXBUILD) >/dev/null 2>&1; then echo 1; else echo 0; fi)
20
21ifeq ($(HAVE_SPHINX),0)
22
23.DEFAULT:
24 $(warning The '$(SPHINXBUILD)' command was not found. Make sure you have Sphinx installed and in PATH, or set the SPHINXBUILD make variable to point to the full path of the '$(SPHINXBUILD)' executable.)
Mauro Carvalho Chehab92a037f2017-07-16 19:08:06 -030025 @echo
26 @./scripts/sphinx-pre-install
Mauro Carvalho Chehabcb43fb52017-05-14 11:50:01 -030027 @echo " SKIP Sphinx $@ target."
28
29else # HAVE_SPHINX
30
31# User-friendly check for pdflatex
32HAVE_PDFLATEX := $(shell if which $(PDFLATEX) >/dev/null 2>&1; then echo 1; else echo 0; fi)
33
34# Internal variables.
35PAPEROPT_a4 = -D latex_paper_size=a4
36PAPEROPT_letter = -D latex_paper_size=letter
37KERNELDOC = $(srctree)/scripts/kernel-doc
38KERNELDOC_CONF = -D kerneldoc_srctree=$(srctree) -D kerneldoc_bin=$(KERNELDOC)
39ALLSPHINXOPTS = $(KERNELDOC_CONF) $(PAPEROPT_$(PAPER)) $(SPHINXOPTS)
40# the i18n builder cannot share the environment and doctrees with the others
41I18NSPHINXOPTS = $(PAPEROPT_$(PAPER)) $(SPHINXOPTS) .
42
43# commands; the 'cmd' from scripts/Kbuild.include is not *loopable*
44loop_cmd = $(echo-cmd) $(cmd_$(1)) || exit;
45
46# $2 sphinx builder e.g. "html"
47# $3 name of the build subfolder / e.g. "media", used as:
48# * dest folder relative to $(BUILDDIR) and
49# * cache folder relative to $(BUILDDIR)/.doctrees
50# $4 dest subfolder e.g. "man" for man pages at media/man
51# $5 reST source folder relative to $(srctree)/$(src),
52# e.g. "media" for the linux-tv book-set at ./Documentation/media
53
54quiet_cmd_sphinx = SPHINX $@ --> file://$(abspath $(BUILDDIR)/$3/$4)
55 cmd_sphinx = $(MAKE) BUILDDIR=$(abspath $(BUILDDIR)) $(build)=Documentation/media $2 && \
56 PYTHONDONTWRITEBYTECODE=1 \
57 BUILDDIR=$(abspath $(BUILDDIR)) SPHINX_CONF=$(abspath $(srctree)/$(src)/$5/$(SPHINX_CONF)) \
58 $(SPHINXBUILD) \
59 -b $2 \
60 -c $(abspath $(srctree)/$(src)) \
61 -d $(abspath $(BUILDDIR)/.doctrees/$3) \
62 -D version=$(KERNELVERSION) -D release=$(KERNELRELEASE) \
63 $(ALLSPHINXOPTS) \
64 $(abspath $(srctree)/$(src)/$5) \
65 $(abspath $(BUILDDIR)/$3/$4)
66
67htmldocs:
68 @+$(foreach var,$(SPHINXDIRS),$(call loop_cmd,sphinx,html,$(var),,$(var)))
69
70linkcheckdocs:
71 @$(foreach var,$(SPHINXDIRS),$(call loop_cmd,sphinx,linkcheck,$(var),,$(var)))
72
73latexdocs:
74 @+$(foreach var,$(SPHINXDIRS),$(call loop_cmd,sphinx,latex,$(var),latex,$(var)))
75
76ifeq ($(HAVE_PDFLATEX),0)
77
78pdfdocs:
79 $(warning The '$(PDFLATEX)' command was not found. Make sure you have it installed and in PATH to produce PDF output.)
80 @echo " SKIP Sphinx $@ target."
81
82else # HAVE_PDFLATEX
83
84pdfdocs: latexdocs
85 $(foreach var,$(SPHINXDIRS), $(MAKE) PDFLATEX=$(PDFLATEX) LATEXOPTS="$(LATEXOPTS)" -C $(BUILDDIR)/$(var)/latex || exit;)
86
87endif # HAVE_PDFLATEX
88
89epubdocs:
90 @+$(foreach var,$(SPHINXDIRS),$(call loop_cmd,sphinx,epub,$(var),epub,$(var)))
91
92xmldocs:
93 @+$(foreach var,$(SPHINXDIRS),$(call loop_cmd,sphinx,xml,$(var),xml,$(var)))
94
95endif # HAVE_SPHINX
96
97# The following targets are independent of HAVE_SPHINX, and the rules should
98# work or silently pass without Sphinx.
99
Jani Nikulae8939222017-10-09 18:26:15 +0300100refcheckdocs:
101 $(Q)cd $(srctree);scripts/documentation-file-ref-check
102
Mauro Carvalho Chehabcb43fb52017-05-14 11:50:01 -0300103cleandocs:
104 $(Q)rm -rf $(BUILDDIR)
105 $(Q)$(MAKE) BUILDDIR=$(abspath $(BUILDDIR)) $(build)=Documentation/media clean
106
107dochelp:
108 @echo ' Linux kernel internal documentation in different formats from ReST:'
109 @echo ' htmldocs - HTML'
110 @echo ' latexdocs - LaTeX'
111 @echo ' pdfdocs - PDF'
112 @echo ' epubdocs - EPUB'
113 @echo ' xmldocs - XML'
114 @echo ' linkcheckdocs - check for broken external links (will connect to external hosts)'
Jani Nikulae8939222017-10-09 18:26:15 +0300115 @echo ' refcheckdocs - check for references to non-existing files under Documentation'
Mauro Carvalho Chehabcb43fb52017-05-14 11:50:01 -0300116 @echo ' cleandocs - clean all generated files'
117 @echo
118 @echo ' make SPHINXDIRS="s1 s2" [target] Generate only docs of folder s1, s2'
119 @echo ' valid values for SPHINXDIRS are: $(_SPHINXDIRS)'
120 @echo
121 @echo ' make SPHINX_CONF={conf-file} [target] use *additional* sphinx-build'
122 @echo ' configuration. This is e.g. useful to build with nit-picking config.'
Shuah Khan9effc8f2017-10-02 17:44:18 -0600123 @echo
124 @echo ' Default location for the generated documents is Documentation/output'