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web-wasi: Bump to WASI-SDK 17

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The binary linux SDK in version 17 requires a newer glibc than we have
available, so we have to use our own patched clang. This follows the
approach in:

  https://github.com/WebAssembly/wasi-sdk/pull/271
This commit is contained in:
Matt McCormick 2022-12-21 22:57:29 -05:00
parent 7a4b4c636a
commit e0dcb396b6
4 changed files with 33 additions and 7 deletions
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34
web-wasi/Dockerfile.in
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@ -3,24 +3,48 @@ FROM ${ORG}/base:latest
LABEL maintainer="Matt McCormick matt.mccormick@kitware.com"
ENV WASI_VERSION 16
ENV WASI_VERSION 17
ENV WASI_VERSION_FULL ${WASI_VERSION}.0
RUN cd /usr/ && \
curl -L -O https://github.com/WebAssembly/wasi-sdk/releases/download/wasi-sdk-${WASI_VERSION}/wasi-sdk-${WASI_VERSION_FULL}-linux.tar.gz && \
tar xvzf wasi-sdk-${WASI_VERSION_FULL}-linux.tar.gz && \
rm wasi-sdk-${WASI_VERSION_FULL}-linux.tar.gz
ENV WASI_SYSROOT /usr/wasi-sdk-${WASI_VERSION_FULL}/share/wasi-sysroot
ENV WASI_SDK_PATH /usr/wasi-sdk-${WASI_VERSION_FULL}
ENV WASI_SYSROOT ${WASI_SDK_PATH}/share/wasi-sysroot
ENV LLVM_VERSION 15
# Build LLVM / Clang that supports our glibc
RUN apt-get update && \
# Temporarily install to setup apt repositories
apt-get install -y && \
\
curl -sS https://apt.llvm.org/llvm-snapshot.gpg.key | gpg --dearmor > /etc/apt/trusted.gpg.d/llvm.gpg && \
echo "deb [signed-by=/etc/apt/trusted.gpg.d/llvm.gpg] http://apt.llvm.org/bullseye/ llvm-toolchain-bullseye-${LLVM_VERSION} main" >> /etc/apt/sources.list.d/llvm.list && \
echo "deb-src [signed-by=/etc/apt/trusted.gpg.d/llvm.gpg] http://apt.llvm.org/bullseye/ llvm-toolchain-bullseye-${LLVM_VERSION} main" >> /etc/apt/sources.list.d/llvm.list && \
\
apt-get update && \
apt-get install -y clang-${LLVM_VERSION} lld-${LLVM_VERSION} && \
rm -rf /var/lib/apt/lists/*
# The path to the rt directory contains the LLVM patch version which is not reflected in the LLVM apt repository
# or package. To make adding the RT robust to changing patch versions without needing to duplicate the folder
# content, we copy after extracting using a bash glob to resolve the patch version
RUN cd /usr/ && \
curl -L -O https://github.com/WebAssembly/wasi-sdk/releases/download/wasi-sdk-${WASI_VERSION}/libclang_rt.builtins-wasm32-wasi-${WASI_VERSION_FULL}.tar.gz && \
tar xvzf libclang_rt.builtins-wasm32-wasi-${WASI_VERSION_FULL}.tar.gz && \
rm libclang_rt.builtins-wasm32-wasi-${WASI_VERSION_FULL}.tar.gz && \
cp -a /usr/lib/wasi/* $(echo /usr/lib/llvm-${LLVM_VERSION}/lib/clang/${LLVM_VERSION}.*)/lib/wasi/
COPY clang-wasi-sysroot.sh clang++-wasi-sysroot.sh /usr/local/bin/
ENV CROSS_TRIPLE=wasm32-wasi
ENV CROSS_ROOT=${WASI_SDK_PATH}
ENV ANDROID_NDK=${CROSS_ROOT}
ENV AR=${CROSS_ROOT}/bin/llvm-ar \
ENV AR=llvm-ar-${LLVM_VERSION} \
CC=clang-wasi-sysroot.sh \
CXX=clang++-wasi-sysroot.sh \
LD=${CROSS_ROOT}/bin/wasm-ld
LD=wasm-ld-${LLVM_VERSION} \
RANLIB=llvm-ranlib-${LLVM_VERSION}
#include "common.webassembly"

2
web-wasi/Toolchain.cmake
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@ -6,5 +6,7 @@ set(CMAKE_SYSROOT $ENV{WASI_SYSROOT})
set(CMAKE_C_COMPILER /usr/local/bin/clang-wasi-sysroot.sh)
set(CMAKE_CXX_COMPILER /usr/local/bin/clang++-wasi-sysroot.sh)
set(CMAKE_AR llvm-ar-$ENV{LLVM_VERSION})
set(CMAKE_RANLIB llvm-ranlib-$ENV{LLVM_VERSION})
set(CMAKE_CROSSCOMPILING_EMULATOR /wasi-runtimes/wasmtime/bin/wasmtime-pwd.sh)

2
web-wasi/clang++-wasi-sysroot.sh
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@ -1,3 +1,3 @@
#!/usr/bin/env sh
exec ${WASI_SDK_PATH}/bin/clang++ --sysroot=${WASI_SYSROOT} "$@"
exec clang++-${LLVM_VERSION} --target=wasm32-wasi --sysroot=${WASI_SYSROOT} "$@"

2
web-wasi/clang-wasi-sysroot.sh
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@ -1,3 +1,3 @@
#!/usr/bin/env sh
exec ${WASI_SDK_PATH}/bin/clang --sysroot=${WASI_SYSROOT} "$@"
exec clang-${LLVM_VERSION} --target=wasm32-wasi --sysroot=${WASI_SYSROOT} "$@"