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Diffstat (limited to 'Documentation/kbuild/llvm.rst')
| -rw-r--r-- | Documentation/kbuild/llvm.rst | 26 |
1 files changed, 13 insertions, 13 deletions
diff --git a/Documentation/kbuild/llvm.rst b/Documentation/kbuild/llvm.rst index 2aac50b97921..334df758dce3 100644 --- a/Documentation/kbuild/llvm.rst +++ b/Documentation/kbuild/llvm.rst @@ -23,8 +23,8 @@ supports C and the GNU C extensions required by the kernel, and is pronounced Clang ----- -The compiler used can be swapped out via `CC=` command line argument to `make`. -`CC=` should be set when selecting a config and during a build. +The compiler used can be swapped out via ``CC=`` command line argument to ``make``. +``CC=`` should be set when selecting a config and during a build. :: make CC=clang defconfig @@ -34,33 +34,33 @@ Cross Compiling --------------- A single Clang compiler binary will typically contain all supported backends, -which can help simplify cross compiling. +which can help simplify cross compiling. :: ARCH=arm64 CROSS_COMPILE=aarch64-linux-gnu- make CC=clang -`CROSS_COMPILE` is not used to prefix the Clang compiler binary, instead -`CROSS_COMPILE` is used to set a command line flag: `--target <triple>`. For -example: +``CROSS_COMPILE`` is not used to prefix the Clang compiler binary, instead +``CROSS_COMPILE`` is used to set a command line flag: ``--target <triple>``. For +example: :: clang --target aarch64-linux-gnu foo.c LLVM Utilities -------------- -LLVM has substitutes for GNU binutils utilities. Kbuild supports `LLVM=1` -to enable them. +LLVM has substitutes for GNU binutils utilities. Kbuild supports ``LLVM=1`` +to enable them. :: make LLVM=1 -They can be enabled individually. The full list of the parameters: +They can be enabled individually. The full list of the parameters: :: - make CC=clang LD=ld.lld AR=llvm-ar NM=llvm-nm STRIP=llvm-strip \\ - OBJCOPY=llvm-objcopy OBJDUMP=llvm-objdump OBJSIZE=llvm-size \\ - READELF=llvm-readelf HOSTCC=clang HOSTCXX=clang++ HOSTAR=llvm-ar \\ + make CC=clang LD=ld.lld AR=llvm-ar NM=llvm-nm STRIP=llvm-strip \ + OBJCOPY=llvm-objcopy OBJDUMP=llvm-objdump OBJSIZE=llvm-size \ + READELF=llvm-readelf HOSTCC=clang HOSTCXX=clang++ HOSTAR=llvm-ar \ HOSTLD=ld.lld Currently, the integrated assembler is disabled by default. You can pass -`LLVM_IAS=1` to enable it. +``LLVM_IAS=1`` to enable it. Getting Help ------------ |