修改led为gpio

hc

2024-10-12 a5969cabbb4660eab42b6ef0412cbbd1200cf14d

 kernel/Documentation/kbuild/llvm.rst
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+.. _kbuild_llvm:
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 ==============================
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 Building Linux with Clang/LLVM
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 ==============================
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 Clang
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 -----
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-The compiler used can be swapped out via `CC=` command line argument to `make`.
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-`CC=` should be set when selecting a config and during a build.
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+The compiler used can be swapped out via ``CC=`` command line argument to ``make``.
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+``CC=`` should be set when selecting a config and during a build. ::
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 	make CC=clang defconfig
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 ---------------
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 A single Clang compiler binary will typically contain all supported backends,
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-which can help simplify cross compiling.
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+which can help simplify cross compiling. ::
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 	ARCH=arm64 CROSS_COMPILE=aarch64-linux-gnu- make CC=clang
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-`CROSS_COMPILE` is not used to prefix the Clang compiler binary, instead
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-`CROSS_COMPILE` is used to set a command line flag: `--target <triple>`. For
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-example:
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+``CROSS_COMPILE`` is not used to prefix the Clang compiler binary, instead
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+``CROSS_COMPILE`` is used to set a command line flag: ``--target=<triple>``. For
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+example: ::
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-	clang --target aarch64-linux-gnu foo.c
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+	clang --target=aarch64-linux-gnu foo.c
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 LLVM Utilities
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 --------------
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-LLVM has substitutes for GNU binutils utilities. Kbuild supports `LLVM=1`
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-to enable them.
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+LLVM has substitutes for GNU binutils utilities. Kbuild supports ``LLVM=1``
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+to enable them. ::
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 	make LLVM=1
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-They can be enabled individually. The full list of the parameters:
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+They can be enabled individually. The full list of the parameters: ::
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-	make CC=clang LD=ld.lld AR=llvm-ar NM=llvm-nm STRIP=llvm-strip \\
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-	  OBJCOPY=llvm-objcopy OBJDUMP=llvm-objdump OBJSIZE=llvm-size \\
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-	  READELF=llvm-readelf HOSTCC=clang HOSTCXX=clang++ HOSTAR=llvm-ar \\
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-	  HOSTLD=ld.lld
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+	make CC=clang LD=ld.lld AR=llvm-ar NM=llvm-nm STRIP=llvm-strip \
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+	  OBJCOPY=llvm-objcopy OBJDUMP=llvm-objdump READELF=llvm-readelf \
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+	  HOSTCC=clang HOSTCXX=clang++ HOSTAR=llvm-ar HOSTLD=ld.lld
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 Currently, the integrated assembler is disabled by default. You can pass
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-`LLVM_IAS=1` to enable it.
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+``LLVM_IAS=1`` to enable it.
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 Getting Help
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 ------------
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 - `Wiki <https://github.com/ClangBuiltLinux/linux/wiki>`_
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 - `Beginner Bugs <https://github.com/ClangBuiltLinux/linux/issues?q=is%3Aopen+is%3Aissue+label%3A%22good+first+issue%22>`_
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+.. _getting_llvm:
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+
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 Getting LLVM
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 -------------
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-- http://releases.llvm.org/download.html
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+- https://releases.llvm.org/download.html
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 - https://github.com/llvm/llvm-project
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 - https://llvm.org/docs/GettingStarted.html
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 - https://llvm.org/docs/CMake.html