set -xe

BUILD_ARCH_TYPE=$1

V8_BUILD_OPTIONS=$2

cd deps/v8 || exit

find . -type d -name .git -print0 | xargs -0 rm -rf

../../tools/v8/fetch_deps.py .

JOBS_ARG=

if [ "${JOBS}" ]; then

JOBS_ARG="-j ${JOBS}"

ARCH=$(arch)

if [ "$ARCH" = "s390x" ] || [ "$ARCH" = "ppc64le" ]; then

TARGET_ARCH=$ARCH

if [ "$ARCH" = "ppc64le" ]; then

TARGET_ARCH="ppc64"

fi

# Propagate ccache to gn.

# shellcheck disable=SC2154

case "$CXX" in

*ccache*) CC_WRAPPER="cc_wrapper=\"ccache\"" ;;

*) ;;

esac

# shellcheck disable=SC2154

case "$CXX" in

*clang*)

CLANG_VERSION=$(clang -dumpversion | cut -d. -f1)

RUST_VERSION=$(rustc --version --verbose | awk '/release:/ {print $2}')

GN_COMPILER_OPTS="is_clang=true clang_base_path=\"/usr\" clang_use_chrome_plugins=false treat_warnings_as_errors=false use_custom_libcxx=false clang_version=\"${CLANG_VERSION}\""

GN_RUST_ARGS="rustc_version=\"${RUST_VERSION}\" rust_sysroot_absolute=\"/usr\" rust_bindgen_root=\"/usr\""

export RUSTC_BOOTSTRAP=1

# Filter out options supported in clang >= 20 when using clang 19.

if [ "${CLANG_VERSION}" -eq "19" ]; then

find build/ \( -name "*.gn" -o -name "*.gni" \) -exec sed -i \

-e '/-Wno-nontrivial-memcall/d' {} \;

fi

# Filter out compiler options not supported by non-nightly clang builds

if [ "${CLANG_VERSION}" -ge "19" ]; then

find build/ \( -name "*.gn" -o -name "*.gni" \) -exec sed -i \

-e '/-Wno-unsafe-buffer-usage-in-static-sized-array/d' \

-e '/-Wno-uninitialized-const-pointer/d' \

-e '/-Wno-unused-but-set-global/d' \

-e '/-fno-lifetime-dse/d' \

-e '/-fsanitize-ignore-for-ubsan-feature/d' \

-e '/-fdiagnostics-show-inlining-chain/d' {} \;

fi

# Patch to match libadler/libadler2 based on what is present.

LIBADLER=$(basename "$(find "$(rustc --print sysroot)/lib/rustlib/" -type f -name "libadler*")" | cut -d '-' -f 1) || true

case "$LIBADLER" in

libadler2) sed -i -e 's/"adler"/"adler2"/g' build/rust/std/BUILD.gn

;;

libadler) sed -i -e 's/"adler2"/"adler"/g' build/rust/std/BUILD.gn

;;

*) echo "Warning: unable to detect libadler/libadler2 (found ${LIBADLER})"

;;

esac

;;

*) GN_COMPILER_OPTS="treat_warnings_as_errors=false use_custom_libcxx=false" ;;

esac

gn gen -v "out.gn/$BUILD_ARCH_TYPE" --args="$GN_COMPILER_OPTS is_component_build=false is_debug=false v8_target_cpu=\"$TARGET_ARCH\" target_cpu=\"$TARGET_ARCH\" v8_enable_backtrace=true ${GN_RUST_ARGS} $CC_WRAPPER"

ninja -v -C "out.gn/$BUILD_ARCH_TYPE" "${JOBS_ARG}" d8 cctest inspector-test

DEPOT_TOOLS_DIR="$(cd depot_tools && pwd)"

# shellcheck disable=SC2086

PATH="$DEPOT_TOOLS_DIR":$PATH tools/dev/v8gen.py "$BUILD_ARCH_TYPE" $V8_BUILD_OPTIONS

PATH="$DEPOT_TOOLS_DIR":$PATH ninja -C "out.gn/$BUILD_ARCH_TYPE/" "${JOBS_ARG}" d8 cctest inspector-test