[bug#77653] [PATCH 2/4] gnu: Add wasm32-wasi-clang-runtime.

[Z572]

Ian Eure <ian@retrospec.tv> writes:

> * gnu/packages/wasm.scm (wasm32-wasi-clang-runtime): New variable.
>
> Change-Id: Ib0465fdc86086451782d533380a8966cdde6dc1e
> ---
>  gnu/packages/wasm.scm | 30 ++++++++++++++++++++++++++++++
>  1 file changed, 30 insertions(+)
>
> diff --git a/gnu/packages/wasm.scm b/gnu/packages/wasm.scm
> index 060e1e420f..53ea31f4a7 100644
> --- a/gnu/packages/wasm.scm
> +++ b/gnu/packages/wasm.scm
> @@ -76,3 +76,33 @@ (define-public wasi-libc
>                license:bsd-2
>                ;; For wasi-libc and musl-libc.
>                license:expat))))
> +
> +(define-public wasm32-wasi-clang-runtime
> +  (package (inherit clang-runtime-16)

Please add a line break

(package
  (inherit clang-runtime-16)
   ....
)
   

> +    (native-inputs
> +     (list clang-16
> +           wasi-libc))

Should wasi-libc be placed in inputs?

> +    (inputs (list llvm-16))
> +    (arguments
> +     (list
> +      #:build-type "Release"
> +      #:tests? #f
> +      ;; Stripping binaries breaks wasm linking, resulting in the following
> +      ;; error: "archive has no index; run ranlib to add one".
> +      #:strip-binaries? #f
> +      #:configure-flags
> +      #~(list "-DCMAKE_C_COMPILER=clang"
> +              "-DCMAKE_C_COMPILER_TARGET=wasm32-wasi"
> +              (string-append
> +               "-DCMAKE_SYSROOT=" #$wasi-libc "/wasm32-wasi")

(this-package-native-input "wasi-libc")

> +              (string-append
> +               "-DCMAKE_C_FLAGS=-I " #$wasi-libc "/wasm32-wasi/include")

(this-package-native-input "wasi-libc")

> +
> +              "-DCOMPILER_RT_OS_DIR=wasi"
> +
> +              "-DCOMPILER_RT_BAREMETAL_BUILD=On"
> +              "-DCOMPILER_RT_DEFAULT_TARGET_ONLY=On"
> +
> +              ;; WASM only needs libclang_rt.builtins-wasm32.a from
> +              ;; compiler-rt.
> +              "../source/compiler-rt/lib/builtins")))))

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