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Dockerfile.musl
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ARG MARCH_FLAG=""
ARG WEBKIT_RELEASE_TYPE=Release
ARG CPU=native
ARG LTO_FLAG="-flto=full -fwhole-program-vtables -fforce-emit-vtables "
ARG LLVM_VERSION="18"
ARG DEFAULT_CFLAGS="-mno-omit-leaf-frame-pointer -g -fno-omit-frame-pointer -ffunction-sections -fdata-sections -faddrsig -fno-unwind-tables -fno-asynchronous-unwind-tables -DU_STATIC_IMPLEMENTATION=1 "
FROM alpine:edge as base
ARG MARCH_FLAG
ARG WEBKIT_RELEASE_TYPE
ARG CPU
ARG LTO_FLAG
ARG LLVM_VERSION
ARG DEFAULT_CFLAGS
RUN apk update
RUN apk add --no-cache cmake make clang18 clang18-static clang18-dev llvm18-dev llvm18-static musl-dev git lld18 libgcc gcc g++ libstdc++ build-base lld18-dev llvm18-libs libc-dev xz zlib zlib-dev libxml2 libxml2-dev
ENV CXX=clang++-18
ENV CC=clang-18
ENV LDFLAGS='-L/usr/include -L/usr/include/llvm18'
ENV CXXFLAGS="-I/usr/include -I/usr/include/llvm18"
ENV PATH="/usr/bin:/usr/local/bin:/zig/bin:/usr/lib/llvm18/bin:$PATH"
ENV CPU=${CPU}
ENV MARCH_FLAG=${MARCH_FLAG}
ENV WEBKIT_OUT_DIR=/webkitbuild
RUN mkdir -p /output/lib /output/include /output/include/JavaScriptCore /output/include/wtf /output/include/bmalloc /output/include/unicode
ENV AR llvm-ar
ENV RANLIB llvm-ranlib
ENV LD lld
ENV LTO_FLAG="${LTO_FLAG}"
ENV WEBKIT_RELEASE_TYPE="${WEBKIT_RELEASE_TYPE}"
FROM base as build_icu
ARG MARCH_FLAG
ARG WEBKIT_RELEASE_TYPE
ARG CPU
ARG LTO_FLAG
ARG LLVM_VERSION
ARG DEFAULT_CFLAGS
RUN apk add --no-cache cpio curl tar
ADD https://github.com/unicode-org/icu/releases/download/release-75-1/icu4c-75_1-src.tgz /icu.tgz
RUN --mount=type=tmpfs,target=/icu \
export CFLAGS="${DEFAULT_CFLAGS} $CFLAGS -O3 -std=c17 $LTO_FLAG" && \
export CXXFLAGS="${DEFAULT_CFLAGS} $CXXFLAGS -O3 -std=c++20 -fno-exceptions $LTO_FLAG -fno-c++-static-destructors " && \
export LDFLAGS="-fuse-ld=lld " && \
cd /icu && \
tar -xf /icu.tgz --strip-components=1 && \
rm /icu.tgz && \
cd source && \
./configure --enable-static --disable-shared --with-data-packaging=static --disable-samples --disable-debug --disable-tests && \
make -j$(nproc) && \
make install && cp -r /icu/source/lib/* /output/lib && cp -r /icu/source/i18n/unicode/* /icu/source/common/unicode/* /output/include/unicode
FROM base as build_webkit
ARG MARCH_FLAG
ARG WEBKIT_RELEASE_TYPE
ARG CPU
ARG LTO_FLAG
ARG LLVM_VERSION
ARG DEFAULT_CFLAGS
RUN apk add --no-cache cpio curl file gnupg ninja ruby unzip rsync perl python3 openssl-dev openssl linux-headers
ENV WEBKIT_OUT_DIR=/webkitbuild
# These are unnecessary on musl
# ENV CFLAGS="$CFLAGS -ffat-lto-objects"
# ENV CXXFLAGS="$CXXFLAGS -ffat-lto-objects"
COPY . /webkit
WORKDIR /webkit
COPY --from=build_icu /output /icu
RUN --mount=type=tmpfs,target=/webkitbuild \
export CFLAGS="${DEFAULT_CFLAGS} $CFLAGS $LTO_FLAG -ffile-prefix-map=/webkit/Source=vendor/WebKit/Source -ffile-prefix-map=/webkitbuild/=. " && \
export CXXFLAGS="${DEFAULT_CFLAGS} $CXXFLAGS $LTO_FLAG -fno-c++-static-destructors -ffile-prefix-map=/webkit/Source=vendor/WebKit/Source -ffile-prefix-map=/webkitbuild/=. " && \
export LDFLAGS="-fuse-ld=lld $LDFLAGS " && \
cd /webkitbuild && \
cmake \
-DPORT="JSCOnly" \
-DENABLE_STATIC_JSC=ON \
-DENABLE_BUN_SKIP_FAILING_ASSERTIONS=ON \
-DCMAKE_BUILD_TYPE=${WEBKIT_RELEASE_TYPE} \
-DUSE_THIN_ARCHIVES=OFF \
-DUSE_BUN_JSC_ADDITIONS=ON \
-DUSE_BUN_EVENT_LOOP=ON \
-DENABLE_FTL_JIT=ON \
-DCMAKE_EXPORT_COMPILE_COMMANDS=ON \
-DALLOW_LINE_AND_COLUMN_NUMBER_IN_BUILTINS=ON \
-DENABLE_REMOTE_INSPECTOR=ON \
-DCMAKE_EXE_LINKER_FLAGS="-fuse-ld=lld" \
-DCMAKE_AR=$(which llvm-ar) \
-DCMAKE_RANLIB=$(which llvm-ranlib) \
-DCMAKE_C_FLAGS="$CFLAGS" \
-DCMAKE_CXX_FLAGS="$CXXFLAGS" \
-DICU_ROOT=/icu \
-G Ninja \
/webkit && \
cd /webkitbuild && \
cmake --build /webkitbuild --config ${WEBKIT_RELEASE_TYPE} --target "jsc" && \
cp -r $WEBKIT_OUT_DIR/lib/*.a /output/lib && \
cp $WEBKIT_OUT_DIR/*.h /output/include && \
cp -r $WEBKIT_OUT_DIR/bin /output/bin && \
cp $WEBKIT_OUT_DIR/*.json /output && \
find $WEBKIT_OUT_DIR/JavaScriptCore/DerivedSources/ -name "*.h" -exec sh -c 'cp "$1" "/output/include/JavaScriptCore/$(basename "$1")"' sh {} \; && \
find $WEBKIT_OUT_DIR/JavaScriptCore/DerivedSources/ -name "*.json" -exec sh -c 'cp "$1" "/output/$(basename "$1")"' sh {} \; && \
find $WEBKIT_OUT_DIR/JavaScriptCore/Headers/JavaScriptCore/ -name "*.h" -exec cp {} /output/include/JavaScriptCore/ \; && \
find $WEBKIT_OUT_DIR/JavaScriptCore/PrivateHeaders/JavaScriptCore/ -name "*.h" -exec cp {} /output/include/JavaScriptCore/ \; && \
cp -r $WEBKIT_OUT_DIR/WTF/Headers/wtf/ /output/include && \
cp -r $WEBKIT_OUT_DIR/bmalloc/Headers/bmalloc/ /output/include && \
mkdir -p /output/Source/JavaScriptCore && \
cp -r /webkit/Source/JavaScriptCore/Scripts /output/Source/JavaScriptCore && \
cp /webkit/Source/JavaScriptCore/create_hash_table /output/Source/JavaScriptCore && \
echo "";
FROM scratch as artifact
COPY --from=build_icu /output /
COPY --from=build_webkit /output /