2 # Makefile for Sphinx documentation
5 # You can set these variables from the command line.
6 SPHINXBUILD = sphinx-build
9 BUILDDIR = $(obj)/output
11 # User-friendly check for sphinx-build
12 HAVE_SPHINX := $(shell if which $(SPHINXBUILD) >/dev/null 2>&1; then echo 1; else echo 0; fi)
14 ifeq ($(HAVE_SPHINX),0)
17 $(warning The '$(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.)
18 @echo " SKIP Sphinx $@ target."
20 else ifneq ($(DOCBOOKS),)
22 # Skip Sphinx build if the user explicitly requested DOCBOOKS.
24 @echo " SKIP Sphinx $@ target (DOCBOOKS specified)."
28 # User-friendly check for rst2pdf
29 HAVE_RST2PDF := $(shell if python -c "import rst2pdf" >/dev/null 2>&1; then echo 1; else echo 0; fi)
32 PAPEROPT_a4 = -D latex_paper_size=a4
33 PAPEROPT_letter = -D latex_paper_size=letter
34 KERNELDOC = $(srctree)/scripts/kernel-doc
35 KERNELDOC_CONF = -D kerneldoc_srctree=$(srctree) -D kerneldoc_bin=$(KERNELDOC)
36 ALLSPHINXOPTS = -D version=$(KERNELVERSION) -D release=$(KERNELRELEASE) -d $(BUILDDIR)/.doctrees $(KERNELDOC_CONF) $(PAPEROPT_$(PAPER)) -c $(srctree)/$(src) $(SPHINXOPTS) $(srctree)/$(src)
37 # the i18n builder cannot share the environment and doctrees with the others
38 I18NSPHINXOPTS = $(PAPEROPT_$(PAPER)) $(SPHINXOPTS) .
40 quiet_cmd_sphinx = SPHINX $@
41 cmd_sphinx = BUILDDIR=$(BUILDDIR) $(SPHINXBUILD) -b $2 $(ALLSPHINXOPTS) $(BUILDDIR)/$2
44 $(MAKE) BUILDDIR=$(BUILDDIR) -f $(srctree)/Documentation/media/Makefile $@
45 $(call cmd,sphinx,html)
48 ifeq ($(HAVE_RST2PDF),0)
49 $(warning The Python 'rst2pdf' module was not found. Make sure you have the module installed to produce PDF output.)
50 @echo " SKIP Sphinx $@ target."
52 $(call cmd,sphinx,pdf)
56 $(call cmd,sphinx,epub)
59 $(call cmd,sphinx,xml)
61 # no-ops for the Sphinx toolchain
68 $(Q)rm -rf $(BUILDDIR)
73 @echo ' Linux kernel internal documentation in different formats (Sphinx):'
74 @echo ' htmldocs - HTML'
75 @echo ' pdfdocs - PDF'
76 @echo ' epubdocs - EPUB'
77 @echo ' xmldocs - XML'
78 @echo ' cleandocs - clean all generated files'