Add buildscript for lz4 4.4.5 on UBI 9.6

l/lz4/build_info.json

@@ -0,0 +1,19 @@
+{
+   "maintainer": "varsha.kumar@ibm.com",
+   "package_name": "lz4",
+   "github_url": "https://github.com/python-lz4/python-lz4",
+   "version": "v4.4.5",
+   "default_branch": "master",
+   "build_script": "lz4_4.4.5_ubi_9.6.sh",
+   "wheel_build" : true,
+   "package_dir": "l/lz4",
+   "docker_build": false,
+   "validate_build_script": true,
+   "use_non_root_user": false,
+   "v4.4.5":{
+           "build_script": "lz4_4.4.5_ubi_9.6.sh"
+   },
+   "*": {
+       "build_script": "lz4_4.4.5_ubi_9.6.sh"
+   }
+}

l/lz4/lz4_4.4.5_ubi_9.6.sh

@@ -0,0 +1,98 @@
+#!/bin/bash -e
+# -----------------------------------------------------------------------------
+#
+# Package       : lz4
+# Version       : v4.4.5
+# Source repo   : https://github.com/python-lz4/python-lz4
+# Tested on     : UBI:9.6
+# Language      : Python
+# Ci-Check      : True
+# Script License: Apache License, Version 2 or later
+# Maintainer    : Varsha Kumar <varsha.kumar@ibm.com>
+#
+# Disclaimer: This script has been tested in root mode on given
+# ==========  platform using the mentioned version of the package.
+#             It may not work as expected with newer versions of the
+#             package and/or distribution. In such case, please
+#             contact "Maintainer" of this script.
+#
+# ----------------------------------------------------------------------------
+
+# Variables
+PACKAGE_DIR="python-lz4"
+PACKAGE_NAME="lz4"
+PACKAGE_VERSION=${1:-v4.4.5}
+PACKAGE_URL="https://github.com/python-lz4/python-lz4.git"
+SOURCE_ROOT="$(pwd)"
+
+echo "Building ${PACKAGE_NAME} ${PACKAGE_VERSION}"
+
+# Install system dependencies
+dnf install -y gcc-toolset-13 git python3.12 python3.12-devel python3.12-pip
+
+export PATH="/opt/rh/gcc-toolset-13/root/usr/bin:$PATH"
+
+# Source-built Pythons install libpythonX.Y.so.1.0 to /usr/local/lib but the
+# linker cache may not include that path yet.  Register it and also set
+# LD_LIBRARY_PATH as a fallback for environments where ldconfig has no effect.
+ldconfig
+export LD_LIBRARY_PATH="/usr/local/lib${LD_LIBRARY_PATH:+:$LD_LIBRARY_PATH}"
+
+# Install build frontend + build-time deps
+python3.12 -m pip install "build" "setuptools>=45" "wheel" "setuptools_scm[toml]>=6.2" "pkgconfig"
+
+# Clone and checkout
+rm -rf "$PACKAGE_DIR"
+git clone "$PACKAGE_URL" "$PACKAGE_DIR"
+cd "${PACKAGE_DIR}"
+git checkout "$PACKAGE_VERSION"
+git submodule update --init --depth 1
+
+# setuptools_scm derives the version from git tags.
+# Export the version explicitly so shallow/detached checkouts work correctly.
+SEMVER="${PACKAGE_VERSION#v}"
+export SETUPTOOLS_SCM_PRETEND_VERSION="${SEMVER}"
+
+# Build wheel (all lz4 C sources are bundled in lz4libs/ — no system liblz4 needed)
+python3.12 -m build --wheel --outdir "${SOURCE_ROOT}/dist/"
+
+WHEEL=$(find "${SOURCE_ROOT}/dist" -name "${PACKAGE_NAME}-*.whl" | head -1)
+if [ -z "$WHEEL" ]; then
+    echo "ERROR: wheel not found after build"
+    exit 1
+fi
+echo "Wheel: $WHEEL"
+
+cd "${SOURCE_ROOT}"
+
+# Install wheel + test dependencies
+echo "=== Installing Wheel ==="
+python3.12 -m pip install "${WHEEL}"
+python3.12 -m pip install pytest pytest-timeout psutil
+
+# Run tests
+echo "=== Running Tests ==="
+
+# 1. Version check
+python3.12 -c "import importlib.metadata; print('lz4 version:', importlib.metadata.version('lz4'))"
+
+# 2. Upstream unit tests.
+#    - block/ and frame/ tests are pure compression round-trips; no external services.
+#    - stream/ tests are skipped (only built when PYLZ4_EXPERIMENTAL=True).
+#    Run from SOURCE_ROOT so Python uses the installed wheel, not the source tree
+#    (setup.cfg sets inplace=1 which leaves no compiled extensions in the source lz4/).
+python3.12 -m pytest \
+    "${PACKAGE_DIR}/tests/block/" \
+    "${PACKAGE_DIR}/tests/frame/" \
+    -v \
+    --timeout=60 \
+    -x
+
+TEST_EXIT=$?
+if [ "$TEST_EXIT" -ne 0 ]; then
+    echo "ERROR: Tests failed (exit $TEST_EXIT)"
+    exit "$TEST_EXIT"
+fi
+
+echo -e "\n=== Build Complete ==="
+echo "Wheel: $WHEEL"