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build: detect macOS architecture for CMake #414

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Merged
qzhuyan merged 1 commit into from
May 7, 2026
Merged

build: detect macOS architecture for CMake #414

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39 changes: 38 additions & 1 deletion build.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -6,6 +6,40 @@ MSQUIC_VERSION="$1"
TARGET_SO='priv/libquicer_nif.so'
PKGNAME="$(./pkgname.sh)"

detect_macos_arch() {
local arch=""

# The NIF must match the architecture of the running Erlang VM. Prefer
# Erlang's own target triplet so Rosetta shells don't accidentally choose
# the host/shell architecture instead of the VM architecture.
if command -v erl >/dev/null 2>&1; then
arch="$(erl -noshell -eval 'io:format("~s", [erlang:system_info(system_architecture)]), halt().' 2>/dev/null | cut -d- -f1 || true)"
fi

case "$arch" in
aarch64 | arm64)
echo arm64
;;
x86_64 | amd64)
echo x86_64
;;
*)
arch="$(uname -m)"
case "$arch" in
aarch64 | arm64)
echo arm64
;;
x86_64 | amd64)
echo x86_64
;;
*)
echo "$arch"
;;
esac
;;
esac
}

build() {
# default: 4 concurrent jobs
JOBS=4
Expand All @@ -19,7 +53,10 @@ build() {
fi
if [ "$(uname -s)" = 'Darwin' ]; then
JOBS="$(sysctl -n hw.ncpu)"
export SDKROOT="$(xcrun --sdk macosx --show-sdk-path)"
export CMAKE_OSX_ARCHITECTURES="${CMAKE_OSX_ARCHITECTURES:-$(detect_macos_arch)}"
if [ -z "${SDKROOT:-}" ]; then
export SDKROOT="$(xcrun --sdk macosx --show-sdk-path)"
fi
else
JOBS="$(nproc)"
fi
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