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SubjectRe: [PATCH v3 1/2] docs: Move rustdoc output, cross-reference it
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On 12/7/22 2:27 AM, Jani Nikula wrote:
> On Tue, 06 Dec 2022, Carlos Bilbao <carlos.bilbao@amd.com> wrote:
>> 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.
>>
>> Signed-off-by: Carlos Bilbao <carlos.bilbao@amd.com>
>> ---
>> Documentation/rust/index.rst | 5 +++++
>> rust/Makefile | 15 +++++++++------
>> 2 files changed, 14 insertions(+), 6 deletions(-)
>>
>> diff --git a/Documentation/rust/index.rst b/Documentation/rust/index.rst
>> index 4ae8c66b94fa..416d6b3de1e4 100644
>> --- a/Documentation/rust/index.rst
>> +++ b/Documentation/rust/index.rst
>> @@ -6,6 +6,11 @@ Rust
>> Documentation related to Rust within the kernel. To start using Rust
>> in the kernel, please read the quick-start.rst guide.
>>
>> +.. only:: html
>> +
>> + If this documentation includes rustdoc-generated HTML, the entry
>> + point can be found `here <rustdoc/kernel/index.html>`_.
>> +
>
> It's a bit meh to have documentation that points to places that might
> 404 and the user has to figure it out.
>
> We can do better than that.
>
> You could use CONFIG_RUST to pass e.g. "-t rustdoc" to Sphinx in the
> Makefile, and use:
>
> .. only:: rustdoc
>
> and
>
> .. only:: not rustdoc
>
> And document accordingly.
>
> Also, please don't use "here" as the link text.

Why not?

>
> BR,
> Jani.
>
>
>> .. toctree::
>> :maxdepth: 1
>>
>> diff --git a/rust/Makefile b/rust/Makefile
>> index 7700d3853404..080c07048065 100644
>> --- a/rust/Makefile
>> +++ b/rust/Makefile
>> @@ -1,5 +1,8 @@
>> # SPDX-License-Identifier: GPL-2.0
>>
>> +# Where to place rustdoc generated documentation
>> +RUSTDOC_OUTPUT = $(objtree)/Documentation/output/rust/rustdoc
>> +
>> always-$(CONFIG_RUST) += target.json
>> no-clean-files += target.json
>>
>> @@ -58,7 +61,7 @@ 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 $<
>>
>> @@ -75,15 +78,15 @@ 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 \
>> @@ -141,7 +144,7 @@ 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,
>

Thanks,
Carlos

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