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Drop the unused LLVM download from setup-qnn-deps.sh #24098

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Merged
shoumikhin merged 1 commit into from
Oct 23, 2026
Merged

Drop the unused LLVM download from setup-qnn-deps.sh #24098

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1 change: 0 additions & 1 deletion .ci/scripts/setup-qnn-deps.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -9,7 +9,6 @@ set -ex

source "$(dirname "${BASH_SOURCE[0]}")/../../backends/qualcomm/scripts/install_qnn_sdk.sh"

setup_libcpp 12
setup_android_ndk
install_qnn
pip install -r backends/qualcomm/requirements.txt
65 changes: 0 additions & 65 deletions backends/qualcomm/scripts/install_qnn_sdk.sh
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Expand Up @@ -203,68 +203,3 @@ install_hexagon_sdk() {
echo "Set HEXAGON_SDK_ROOT=${HEXAGON_SDK_ROOT}"
echo "Set HEXAGON_TOOLS_ROOT=${HEXAGON_TOOLS_ROOT}"
}

setup_libcpp() {
clang_version=$1
LLVM_VERSION="14.0.0"
INSTALL_DIR="/tmp/libcxx-${LLVM_VERSION}"

# Check if we already have a local installation
if [ -d "${INSTALL_DIR}/include" ] && [ -d "${INSTALL_DIR}/lib" ]; then
echo "Local libc++ already installed at ${INSTALL_DIR} - skipping"
# Set environment variables
export CPLUS_INCLUDE_PATH="${INSTALL_DIR}/include:$CPLUS_INCLUDE_PATH"
export LD_LIBRARY_PATH="${INSTALL_DIR}/lib:$LD_LIBRARY_PATH"
export LIBRARY_PATH="${INSTALL_DIR}/lib:$LIBRARY_PATH"
return
fi

echo "Installing libc++ manually to ${INSTALL_DIR}"

# Create temporary directory
TEMP_DIR=$(mktemp -d)
# Ensure cleanup on exit or return
trap 'rm -rf "$TEMP_DIR"' RETURN

pushd "${TEMP_DIR}" >/dev/null

BASE_NAME="clang+llvm-${LLVM_VERSION}-x86_64-linux-gnu-ubuntu-18.04"
LLVM_URL="https://github.com/llvm/llvm-project/releases/download/llvmorg-${LLVM_VERSION}/${BASE_NAME}.tar.xz"

echo "Downloading LLVM from ${LLVM_URL}"
curl --retry 3 -fLO "${LLVM_URL}" || {
echo "Error: Failed to download LLVM"
exit 1
}

echo "Extracting ${BASE_NAME}.tar.xz"
tar -xf "${BASE_NAME}.tar.xz" || {
echo "Error: Failed to extract LLVM archive"
exit 1
}

# Create installation directory
mkdir -p "${INSTALL_DIR}/include"
mkdir -p "${INSTALL_DIR}/lib"

# Copy libc++ headers and libraries
cp -r "${BASE_NAME}/include/c++/v1/"* "${INSTALL_DIR}/include/"
cp -r "${BASE_NAME}/lib/"*.so* "${INSTALL_DIR}/lib/"

popd >/dev/null

# Create necessary symlinks locally
pushd "${INSTALL_DIR}/lib" >/dev/null
ln -sf libc++.so.1.0 libc++.so.1
ln -sf libc++.so.1 libc++.so
ln -sf libc++abi.so.1.0 libc++abi.so.1
ln -sf libc++abi.so.1 libc++abi.so
popd >/dev/null

# Set environment variables
export CPLUS_INCLUDE_PATH="${INSTALL_DIR}/include:${CPLUS_INCLUDE_PATH:-}"
export LD_LIBRARY_PATH="${INSTALL_DIR}/lib:${LD_LIBRARY_PATH:-}"
export LIBRARY_PATH="${INSTALL_DIR}/lib:${LIBRARY_PATH:-}"

echo "libc++ installed to ${INSTALL_DIR}"
}
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