docs: Move rustdoc output, cross-reference it

Generate rustdoc documentation with the rest of subsystem's documentation
in Documentation/output. Add a cross reference to the generated rustdoc in
Documentation/rust/index.rst if Sphinx target rustdoc is set.

Reviewed-by: Akira Yokosawa <akiyks@gmail.com>
Signed-off-by: Carlos Bilbao <carlos.bilbao@amd.com>
Reviewed-by: Martin Rodriguez Reboredo <yakoyoku@gmail.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/20230718151534.4067460-2-carlos.bilbao@amd.com
This commit is contained in:
Carlos Bilbao 2023-07-18 10:15:33 -05:00 committed by Jonathan Corbet
parent b4047e53ad
commit 48fadf4400
2 changed files with 17 additions and 6 deletions

View File

@ -6,6 +6,14 @@ Rust
Documentation related to Rust within the kernel. To start using Rust
in the kernel, please read the quick-start.rst guide.
.. only:: rustdoc and html
You can also browse `rustdoc documentation <rustdoc/kernel/index.html>`_.
.. only:: not rustdoc and html
This documentation does not include rustdoc generated information.
.. toctree::
:maxdepth: 1

View File

@ -1,5 +1,8 @@
# SPDX-License-Identifier: GPL-2.0
# Where to place rustdoc generated documentation
rustdoc_output := $(objtree)/Documentation/output/rust/rustdoc
obj-$(CONFIG_RUST) += core.o compiler_builtins.o
always-$(CONFIG_RUST) += exports_core_generated.h
@ -65,7 +68,7 @@ quiet_cmd_rustdoc = RUSTDOC $(if $(rustdoc_host),H, ) $<
OBJTREE=$(abspath $(objtree)) \
$(RUSTDOC) $(if $(rustdoc_host),$(rust_common_flags),$(rust_flags)) \
$(rustc_target_flags) -L$(objtree)/$(obj) \
--output $(objtree)/$(obj)/doc \
--output $(rustdoc_output) \
--crate-name $(subst rustdoc-,,$@) \
@$(objtree)/include/generated/rustc_cfg $<
@ -82,15 +85,15 @@ quiet_cmd_rustdoc = RUSTDOC $(if $(rustdoc_host),H, ) $<
# and then retouch the generated files.
rustdoc: rustdoc-core rustdoc-macros rustdoc-compiler_builtins \
rustdoc-alloc rustdoc-kernel
$(Q)cp $(srctree)/Documentation/images/logo.svg $(objtree)/$(obj)/doc
$(Q)cp $(srctree)/Documentation/images/COPYING-logo $(objtree)/$(obj)/doc
$(Q)find $(objtree)/$(obj)/doc -name '*.html' -type f -print0 | xargs -0 sed -Ei \
$(Q)cp $(srctree)/Documentation/images/logo.svg $(rustdoc_output)
$(Q)cp $(srctree)/Documentation/images/COPYING-logo $(rustdoc_output)
$(Q)find $(rustdoc_output) -name '*.html' -type f -print0 | xargs -0 sed -Ei \
-e 's:rust-logo\.svg:logo.svg:g' \
-e 's:rust-logo\.png:logo.svg:g' \
-e 's:favicon\.svg:logo.svg:g' \
-e 's:<link rel="alternate icon" type="image/png" href="[./]*favicon-(16x16|32x32)\.png">::g'
$(Q)echo '.logo-container > img { object-fit: contain; }' \
>> $(objtree)/$(obj)/doc/rustdoc.css
>> $(rustdoc_output)/rustdoc.css
rustdoc-macros: private rustdoc_host = yes
rustdoc-macros: private rustc_target_flags = --crate-type proc-macro \
@ -154,7 +157,7 @@ quiet_cmd_rustdoc_test = RUSTDOC T $<
@$(objtree)/include/generated/rustc_cfg \
$(rustc_target_flags) $(rustdoc_test_target_flags) \
--sysroot $(objtree)/$(obj)/test/sysroot $(rustdoc_test_quiet) \
-L$(objtree)/$(obj)/test --output $(objtree)/$(obj)/doc \
-L$(objtree)/$(obj)/test --output $(rustdoc_output) \
--crate-name $(subst rusttest-,,$@) $<
# We cannot use `-Zpanic-abort-tests` because some tests are dynamic,