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Date: Wed, 26 Jun 2024 12:20:21 +0800
From: kernel test robot <lkp@...el.com>
To: "Ethan D. Twardy" <ethan.twardy@...il.com>,
Miguel Ojeda <ojeda@...nel.org>,
Alex Gaynor <alex.gaynor@...il.com>,
Wedson Almeida Filho <wedsonaf@...il.com>,
Boqun Feng <boqun.feng@...il.com>, Gary Guo <gary@...yguo.net>,
Björn Roy Baron <bjorn3_gh@...tonmail.com>,
Benno Lossin <benno.lossin@...ton.me>,
Andreas Hindborg <a.hindborg@...sung.com>,
Alice Ryhl <aliceryhl@...gle.com>,
Martin Rodriguez Reboredo <yakoyoku@...il.com>,
Aswin Unnikrishnan <aswinunni01@...il.com>,
Trevor Gross <tmgross@...ch.edu>, rust-for-linux@...r.kernel.org,
linux-kernel@...r.kernel.org
Cc: oe-kbuild-all@...ts.linux.dev
Subject: Re: [PATCH 1/4] kbuild: rust: Expand rusttest target for macros
Hi Ethan,
kernel test robot noticed the following build warnings:
[auto build test WARNING on a126eca844353360ebafa9088d22865cb8e022e3]
url: https://github.com/intel-lab-lkp/linux/commits/Ethan-D-Twardy/kbuild-rust-Expand-rusttest-target-for-macros/20240625-230535
base: a126eca844353360ebafa9088d22865cb8e022e3
patch link: https://lore.kernel.org/r/20240624030327.90301-2-ethan.twardy%40gmail.com
patch subject: [PATCH 1/4] kbuild: rust: Expand rusttest target for macros
config: x86_64-rhel-8.3-rust (https://download.01.org/0day-ci/archive/20240626/202406261127.VzakF8rL-lkp@intel.com/config)
compiler: clang version 18.1.5 (https://github.com/llvm/llvm-project 617a15a9eac96088ae5e9134248d8236e34b91b1)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240626/202406261127.VzakF8rL-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202406261127.VzakF8rL-lkp@intel.com/
All warnings (new ones prefixed by >>):
>> rust/Makefile:151: warning: overriding recipe for target 'rusttestlib-build_error'
>> rust/Makefile:143: warning: ignoring old recipe for target 'rusttestlib-build_error'
>> rust/Makefile:171: warning: overriding recipe for target 'rusttestlib-uapi'
>> rust/Makefile:156: warning: ignoring old recipe for target 'rusttestlib-uapi'
vim +151 rust/Makefile
59
60 core-cfgs = \
61 --cfg no_fp_fmt_parse
62
63 alloc-cfgs = \
64 --cfg no_global_oom_handling \
65 --cfg no_rc \
66 --cfg no_sync
67
68 quiet_cmd_rustdoc = RUSTDOC $(if $(rustdoc_host),H, ) $<
69 cmd_rustdoc = \
70 OBJTREE=$(abspath $(objtree)) \
71 $(RUSTDOC) $(if $(rustdoc_host),$(rust_common_flags),$(rust_flags)) \
72 $(rustc_target_flags) -L$(objtree)/$(obj) \
73 --output $(rustdoc_output) \
74 --crate-name $(subst rustdoc-,,$@) \
75 $(if $(rustdoc_host),,--sysroot=/dev/null) \
76 @$(objtree)/include/generated/rustc_cfg $<
77
78 # The `html_logo_url` and `html_favicon_url` forms of the `doc` attribute
79 # can be used to specify a custom logo. However:
80 # - The given value is used as-is, thus it cannot be relative or a local file
81 # (unlike the non-custom case) since the generated docs have subfolders.
82 # - It requires adding it to every crate.
83 # - It requires changing `core` which comes from the sysroot.
84 #
85 # Using `-Zcrate-attr` would solve the last two points, but not the first.
86 # The https://github.com/rust-lang/rfcs/pull/3226 RFC suggests two new
87 # command-like flags to solve the issue. Meanwhile, we use the non-custom case
88 # and then retouch the generated files.
89 rustdoc: rustdoc-core rustdoc-macros rustdoc-compiler_builtins \
90 rustdoc-alloc rustdoc-kernel
91 $(Q)cp $(srctree)/Documentation/images/logo.svg $(rustdoc_output)/static.files/
92 $(Q)cp $(srctree)/Documentation/images/COPYING-logo $(rustdoc_output)/static.files/
93 $(Q)find $(rustdoc_output) -name '*.html' -type f -print0 | xargs -0 sed -Ei \
94 -e 's:rust-logo-[0-9a-f]+\.svg:logo.svg:g' \
95 -e 's:favicon-[0-9a-f]+\.svg:logo.svg:g' \
96 -e 's:<link rel="alternate icon" type="image/png" href="[/.]+/static\.files/favicon-(16x16|32x32)-[0-9a-f]+\.png">::g' \
97 -e 's:<a href="srctree/([^"]+)">:<a href="$(realpath $(srctree))/\1">:g'
98 $(Q)for f in $(rustdoc_output)/static.files/rustdoc-*.css; do \
99 echo ".logo-container > img { object-fit: contain; }" >> $$f; done
100
101 rustdoc-macros: private rustdoc_host = yes
102 rustdoc-macros: private rustc_target_flags = --crate-type proc-macro \
103 --extern proc_macro
104 rustdoc-macros: $(src)/macros/lib.rs FORCE
105 +$(call if_changed,rustdoc)
106
107 rustdoc-core: private rustc_target_flags = $(core-cfgs)
108 rustdoc-core: $(RUST_LIB_SRC)/core/src/lib.rs FORCE
109 +$(call if_changed,rustdoc)
110
111 rustdoc-compiler_builtins: $(src)/compiler_builtins.rs rustdoc-core FORCE
112 +$(call if_changed,rustdoc)
113
114 # We need to allow `rustdoc::broken_intra_doc_links` because some
115 # `no_global_oom_handling` functions refer to non-`no_global_oom_handling`
116 # functions. Ideally `rustdoc` would have a way to distinguish broken links
117 # due to things that are "configured out" vs. entirely non-existing ones.
118 rustdoc-alloc: private rustc_target_flags = $(alloc-cfgs) \
119 -Arustdoc::broken_intra_doc_links
120 rustdoc-alloc: $(RUST_LIB_SRC)/alloc/src/lib.rs rustdoc-core rustdoc-compiler_builtins FORCE
121 +$(call if_changed,rustdoc)
122
123 rustdoc-kernel: private rustc_target_flags = --extern alloc \
124 --extern build_error --extern macros=$(objtree)/$(obj)/libmacros.so \
125 --extern bindings --extern uapi
126 rustdoc-kernel: $(src)/kernel/lib.rs rustdoc-core rustdoc-macros \
127 rustdoc-compiler_builtins rustdoc-alloc $(obj)/libmacros.so \
128 $(obj)/bindings.o FORCE
129 +$(call if_changed,rustdoc)
130
131 quiet_cmd_rustc_test_library = RUSTC TL $<
132 cmd_rustc_test_library = \
133 OBJTREE=$(abspath $(objtree)) \
134 $(RUSTC) $(rust_common_flags) \
135 @$(objtree)/include/generated/rustc_cfg $(rustc_target_flags) \
136 --crate-type $(if $(rustc_test_library_proc),proc-macro,rlib) \
137 --out-dir $(objtree)/$(obj)/test --cfg testlib \
138 --sysroot $(objtree)/$(obj)/test/sysroot \
139 -L$(objtree)/$(obj)/test \
140 --crate-name $(subst rusttest-,,$(subst rusttestlib-,,$@)) $<
141
142 rusttestlib-build_error: $(src)/build_error.rs rusttest-prepare FORCE
> 143 +$(call if_changed,rustc_test_library)
144
145 rusttestlib-macros: private rustc_target_flags = --extern proc_macro
146 rusttestlib-macros: private rustc_test_library_proc = yes
147 rusttestlib-macros: $(src)/macros/lib.rs rusttest-prepare FORCE
148 +$(call if_changed,rustc_test_library)
149
150 rusttestlib-build_error: $(src)/build_error.rs $(obj)/compiler_builtins.o FORCE
> 151 +$(call if_changed,rustc_test_library)
152
153 rusttestlib-uapi: $(src)/uapi/lib.rs \
154 $(obj)/compiler_builtins.o \
155 $(obj)/uapi/uapi_generated.rs FORCE
> 156 +$(call if_changed,rustc_test_library)
157
158 rusttestlib-kernel: private rustc_target_flags = --extern alloc \
159 --extern build_error --extern macros=$(objtree)/$(obj)/libmacros.so \
160 --extern bindings --extern uapi
161 rusttestlib-kernel: $(src)/kernel/lib.rs rustdoc-compiler_builtins \
162 rustdoc-alloc rusttestlib-bindings rusttestlib-uapi rusttestlib-build_error \
163 $(obj)/libmacros.so \
164 $(obj)/bindings.o FORCE
165 +$(call if_changed,rustc_test_library)
166
167 rusttestlib-bindings: $(src)/bindings/lib.rs rusttest-prepare FORCE
168 +$(call if_changed,rustc_test_library)
169
170 rusttestlib-uapi: $(src)/uapi/lib.rs rusttest-prepare FORCE
> 171 +$(call if_changed,rustc_test_library)
172
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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