# -*- makefile -*- # Makefile for Sphinx documentation # # for cleaning subdir- := devicetree/bindings # Check for broken documentation file references ifeq ($(CONFIG_WARN_MISSING_DOCUMENTS),y) $(shell $(srctree)/scripts/documentation-file-ref-check --warn) endif # Check for broken ABI files ifeq ($(CONFIG_WARN_ABI_ERRORS),y) $(shell $(srctree)/scripts/get_abi.pl validate --dir $(srctree)/Documentation/ABI) endif # You can set these variables from the command line. SPHINXBUILD = sphinx-build SPHINXOPTS = SPHINXDIRS = . DOCS_THEME = DOCS_CSS = _SPHINXDIRS = $(sort $(patsubst $(srctree)/Documentation/%/index.rst,%,$(wildcard $(srctree)/Documentation/*/index.rst))) SPHINX_CONF = conf.py PAPER = BUILDDIR = $(obj)/output PDFLATEX = xelatex LATEXOPTS = -interaction=batchmode -no-shell-escape ifeq ($(findstring 1, $(KBUILD_VERBOSE)),) SPHINXOPTS += "-q" endif # User-friendly check for sphinx-build HAVE_SPHINX := $(shell if which $(SPHINXBUILD) >/dev/null 2>&1; then echo 1; else echo 0; fi) ifeq ($(HAVE_SPHINX),0) .DEFAULT: $(warning The '$(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 '$(SPHINXBUILD)' executable.) @echo @$(srctree)/scripts/sphinx-pre-install @echo " SKIP Sphinx $@ target." else # HAVE_SPHINX # User-friendly check for pdflatex and latexmk HAVE_PDFLATEX := $(shell if which $(PDFLATEX) >/dev/null 2>&1; then echo 1; else echo 0; fi) HAVE_LATEXMK := $(shell if which latexmk >/dev/null 2>&1; then echo 1; else echo 0; fi) ifeq ($(HAVE_LATEXMK),1) PDFLATEX := latexmk -$(PDFLATEX) endif #HAVE_LATEXMK # Internal variables. PAPEROPT_a4 = -D latex_paper_size=a4 PAPEROPT_letter = -D latex_paper_size=letter KERNELDOC = $(srctree)/scripts/kernel-doc KERNELDOC_CONF = -D kerneldoc_srctree=$(srctree) -D kerneldoc_bin=$(KERNELDOC) ALLSPHINXOPTS = $(KERNELDOC_CONF) $(PAPEROPT_$(PAPER)) $(SPHINXOPTS) # the i18n builder cannot share the environment and doctrees with the others I18NSPHINXOPTS = $(PAPEROPT_$(PAPER)) $(SPHINXOPTS) . # commands; the 'cmd' from scripts/Kbuild.include is not *loopable* loop_cmd = $(echo-cmd) $(cmd_$(1)) || exit; # $2 sphinx builder e.g. "html" # $3 name of the build subfolder / e.g. "userspace-api/media", used as: # * dest folder relative to $(BUILDDIR) and # * cache folder relative to $(BUILDDIR)/.doctrees # $4 dest subfolder e.g. "man" for man pages at userspace-api/media/man # $5 reST source folder relative to $(srctree)/$(src), # e.g. "userspace-api/media" for the linux-tv book-set at ./Documentation/userspace-api/media quiet_cmd_sphinx = SPHINX $@ --> file://$(abspath $(BUILDDIR)/$3/$4) cmd_sphinx = $(MAKE) BUILDDIR=$(abspath $(BUILDDIR)) $(build)=Documentation/userspace-api/media $2 && \ PYTHONDONTWRITEBYTECODE=1 \ BUILDDIR=$(abspath $(BUILDDIR)) SPHINX_CONF=$(abspath $(srctree)/$(src)/$5/$(SPHINX_CONF)) \ $(PYTHON3) $(srctree)/scripts/jobserver-exec \ $(CONFIG_SHELL) $(srctree)/Documentation/sphinx/parallel-wrapper.sh \ $(SPHINXBUILD) \ -b $2 \ -c $(abspath $(srctree)/$(src)) \ -d $(abspath $(BUILDDIR)/.doctrees/$3) \ -D version=$(KERNELVERSION) -D release=$(KERNELRELEASE) \ $(ALLSPHINXOPTS) \ $(abspath $(srctree)/$(src)/$5) \ $(abspath $(BUILDDIR)/$3/$4) && \ if [ "x$(DOCS_CSS)" != "x" ]; then \ cp $(if $(patsubst /%,,$(DOCS_CSS)),$(abspath $(srctree)/$(DOCS_CSS)),$(DOCS_CSS)) $(BUILDDIR)/$3/_static/; \ fi htmldocs: @$(srctree)/scripts/sphinx-pre-install --version-check @+$(foreach var,$(SPHINXDIRS),$(call loop_cmd,sphinx,html,$(var),,$(var))) texinfodocs: @$(srctree)/scripts/sphinx-pre-install --version-check @+$(foreach var,$(SPHINXDIRS),$(call loop_cmd,sphinx,texinfo,$(var),texinfo,$(var))) # Note: the 'info' Make target is generated by sphinx itself when # running the texinfodocs target define above. infodocs: texinfodocs $(MAKE) -C $(BUILDDIR)/texinfo info linkcheckdocs: @$(foreach var,$(SPHINXDIRS),$(call loop_cmd,sphinx,linkcheck,$(var),,$(var))) latexdocs: @$(srctree)/scripts/sphinx-pre-install --version-check @+$(foreach var,$(SPHINXDIRS),$(call loop_cmd,sphinx,latex,$(var),latex,$(var))) ifeq ($(HAVE_PDFLATEX),0) pdfdocs: $(warning The '$(PDFLATEX)' command was not found. Make sure you have it installed and in PATH to produce PDF output.) @echo " SKIP Sphinx $@ target." else # HAVE_PDFLATEX pdfdocs: latexdocs @$(srctree)/scripts/sphinx-pre-install --version-check $(foreach var,$(SPHINXDIRS), \ $(MAKE) PDFLATEX="$(PDFLATEX)" LATEXOPTS="$(LATEXOPTS)" -C $(BUILDDIR)/$(var)/latex || exit; \ mkdir -p $(BUILDDIR)/$(var)/pdf; \ mv $(subst .tex,.pdf,$(wildcard $(BUILDDIR)/$(var)/latex/*.tex)) $(BUILDDIR)/$(var)/pdf/; \ ) endif # HAVE_PDFLATEX epubdocs: @$(srctree)/scripts/sphinx-pre-install --version-check @+$(foreach var,$(SPHINXDIRS),$(call loop_cmd,sphinx,epub,$(var),epub,$(var))) xmldocs: @$(srctree)/scripts/sphinx-pre-install --version-check @+$(foreach var,$(SPHINXDIRS),$(call loop_cmd,sphinx,xml,$(var),xml,$(var))) endif # HAVE_SPHINX # The following targets are independent of HAVE_SPHINX, and the rules should # work or silently pass without Sphinx. refcheckdocs: $(Q)cd $(srctree);scripts/documentation-file-ref-check cleandocs: $(Q)rm -rf $(BUILDDIR) $(Q)$(MAKE) BUILDDIR=$(abspath $(BUILDDIR)) $(build)=Documentation/userspace-api/media clean dochelp: @echo ' Linux kernel internal documentation in different formats from ReST:' @echo ' htmldocs - HTML' @echo ' texinfodocs - Texinfo' @echo ' infodocs - Info' @echo ' latexdocs - LaTeX' @echo ' pdfdocs - PDF' @echo ' epubdocs - EPUB' @echo ' xmldocs - XML' @echo ' linkcheckdocs - check for broken external links' @echo ' (will connect to external hosts)' @echo ' refcheckdocs - check for references to non-existing files under' @echo ' Documentation' @echo ' cleandocs - clean all generated files' @echo @echo ' make SPHINXDIRS="s1 s2" [target] Generate only docs of folder s1, s2' @echo ' valid values for SPHINXDIRS are: $(_SPHINXDIRS)' @echo @echo ' make SPHINX_CONF={conf-file} [target] use *additional* sphinx-build' @echo ' configuration. This is e.g. useful to build with nit-picking config.' @echo @echo ' make DOCS_THEME={sphinx-theme} selects a different Sphinx theme.' @echo @echo ' make DOCS_CSS={a .css file} adds a DOCS_CSS override file for html/epub output.' @echo @echo ' Default location for the generated documents is Documentation/output'