Michael Chus
d4a2d7fa55
Builds kernel modules from the official NVIDIA installer source tree, same as a standard NVIDIA driver install. No open-gpu-kernel-modules. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
82 lines
3.0 KiB
Bash
82 lines
3.0 KiB
Bash
#!/bin/sh
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# build-nvidia-module.sh — install NVIDIA proprietary driver into ISO overlay
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#
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# Downloads the official NVIDIA .run installer, extracts kernel modules and
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# userspace tools (nvidia-smi, libnvidia-ml). Everything is proprietary NVIDIA.
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#
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# Output is cached in DIST_DIR/nvidia-<version>-<kver>/ so subsequent builds
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# are instant unless NVIDIA_DRIVER_VERSION or kernel version changes.
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#
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# Output layout:
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# $CACHE_DIR/modules/ — nvidia*.ko files
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# $CACHE_DIR/bin/ — nvidia-smi, nvidia-debugdump
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# $CACHE_DIR/lib/ — libnvidia-ml.so*, libcuda.so* (for nvidia-smi)
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set -e
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NVIDIA_VERSION="$1"
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DIST_DIR="$2"
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[ -n "$NVIDIA_VERSION" ] || { echo "usage: $0 <nvidia-version> <dist-dir>"; exit 1; }
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[ -n "$DIST_DIR" ] || { echo "usage: $0 <nvidia-version> <dist-dir>"; exit 1; }
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# Detect kernel version from installed headers
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KVER=$(ls /usr/src/ 2>/dev/null | grep '^linux-headers-' | sed 's/linux-headers-//' | head -1)
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if [ -z "$KVER" ]; then
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echo "=== installing linux-lts-dev ==="
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apk add --quiet linux-lts-dev
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KVER=$(ls /usr/src/ | grep '^linux-headers-' | sed 's/linux-headers-//' | head -1)
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fi
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KDIR="/usr/src/linux-headers-${KVER}"
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echo "=== NVIDIA ${NVIDIA_VERSION} (proprietary) for kernel ${KVER} ==="
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CACHE_DIR="${DIST_DIR}/nvidia-${NVIDIA_VERSION}-${KVER}"
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if [ -d "$CACHE_DIR/modules" ] && [ -f "$CACHE_DIR/bin/nvidia-smi" ]; then
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echo "=== NVIDIA cached, skipping build ==="
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echo "cache: $CACHE_DIR"
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echo "modules: $(ls "$CACHE_DIR/modules/"*.ko 2>/dev/null | wc -l) .ko files"
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exit 0
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fi
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# Install build dependencies
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apk add --quiet gcc make perl linux-lts-dev wget
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# Download official NVIDIA .run installer (proprietary)
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RUN_FILE="/var/tmp/NVIDIA-Linux-x86_64-${NVIDIA_VERSION}.run"
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if [ ! -f "$RUN_FILE" ]; then
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echo "=== downloading NVIDIA ${NVIDIA_VERSION} installer ==="
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wget -q --show-progress \
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-O "$RUN_FILE" \
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"https://download.nvidia.com/XFree86/Linux-x86_64/${NVIDIA_VERSION}/NVIDIA-Linux-x86_64-${NVIDIA_VERSION}.run"
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fi
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# Extract installer contents
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echo "=== extracting installer ==="
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chmod +x "$RUN_FILE"
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EXTRACT_DIR="/var/tmp/nvidia-extract-${NVIDIA_VERSION}"
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rm -rf "$EXTRACT_DIR"
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"$RUN_FILE" --extract-only --target "$EXTRACT_DIR"
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# Build kernel modules from extracted source
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echo "=== building kernel modules ($(nproc) cores) ==="
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cd "$EXTRACT_DIR/kernel"
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make -j$(nproc) KERNEL_UNAME="$KVER" SYSSRC="$KDIR" modules 2>&1 | tail -5
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# Collect outputs
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mkdir -p "$CACHE_DIR/modules" "$CACHE_DIR/bin" "$CACHE_DIR/lib"
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find "$EXTRACT_DIR/kernel" -name '*.ko' -exec cp {} "$CACHE_DIR/modules/" \;
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for ko in "$CACHE_DIR/modules/"*.ko; do
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strip --strip-debug "$ko" 2>/dev/null || true
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done
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cp "$EXTRACT_DIR/nvidia-smi" "$CACHE_DIR/bin/"
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cp "$EXTRACT_DIR/libnvidia-ml.so."* "$CACHE_DIR/lib/" 2>/dev/null || true
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# libcuda stub needed by nvidia-smi at runtime
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cp "$EXTRACT_DIR/libcuda.so."* "$CACHE_DIR/lib/" 2>/dev/null || true
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echo "=== NVIDIA build complete ==="
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echo "cache: $CACHE_DIR"
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echo "modules: $(ls "$CACHE_DIR/modules/"*.ko | wc -l) .ko files"
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ls -lh "$CACHE_DIR/bin/"
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