docs: Integrate rustdoc generation into htmldocs

[thirdparty/linux.git] / Documentation / Makefile

diff --git a/Documentation/Makefile b/Documentation/Makefile
index 023fa658a0a878f749be6ddc609c92246ebe6e92..2f35793acd2a18000d97f4f7d896865ebceefa3c 100644 (file)
--- a/Documentation/Makefile
+++ b/Documentation/Makefile
@@ -59,6 +59,12 @@ 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)) $(SPHINXOPTS)
+ifneq ($(wildcard $(srctree)/.config),)
+ifeq ($(CONFIG_RUST),y)
+       # Let Sphinx know we will include rustdoc
+       ALLSPHINXOPTS   +=  -t rustdoc
+endif
+endif
 # the i18n builder cannot share the environment and doctrees with the others
 I18NSPHINXOPTS  = $(PAPEROPT_$(PAPER)) $(SPHINXOPTS) .
 
@@ -95,6 +101,16 @@ htmldocs:
        @$(srctree)/scripts/sphinx-pre-install --version-check
        @+$(foreach var,$(SPHINXDIRS),$(call loop_cmd,sphinx,html,$(var),,$(var)))
 
+# If Rust support is available and .config exists, add rustdoc generated contents.
+# If there are any, the errors from this make rustdoc will be displayed but
+# won't stop the execution of htmldocs
+
+ifneq ($(wildcard $(srctree)/.config),)
+ifeq ($(CONFIG_RUST),y)
+       $(Q)$(MAKE) rustdoc || true
+endif
+endif
+
 texinfodocs:
        @$(srctree)/scripts/sphinx-pre-install --version-check
        @+$(foreach var,$(SPHINXDIRS),$(call loop_cmd,sphinx,texinfo,$(var),texinfo,$(var)))