test

        cp -a /usr/include/linux /usr/local/musl/include/

        cp -a /usr/include/asm-generic /usr/local/musl/include/

        # Find arch-specific asm headers using dpkg

        ASM_DIR=$(dpkg -L linux-libc-dev | grep "/asm$" | head -1)

        if [ -n "$ASM_DIR" ] && [ -d "$ASM_DIR" ]; then

        # Find asm headers by locating asm/types.h directly

        ASM_TYPES=$(find /usr/include -name types.h -path "*/asm/*" 2>/dev/null | head -1)

        if [ -n "$ASM_TYPES" ]; then

            ASM_DIR=$(dirname "$ASM_TYPES")

            echo "Found asm headers at: $ASM_DIR"

            cp -a "$ASM_DIR" /usr/local/musl/include/

        elif [ -d /usr/include/x86_64-linux-gnu/asm ]; then

            cp -a /usr/include/x86_64-linux-gnu/asm /usr/local/musl/include/

        elif [ -d /usr/include/asm ]; then

            cp -a /usr/include/asm /usr/local/musl/include/

        else

            echo "WARNING: No asm headers found, generating from asm-generic"

            echo "WARNING: No asm/types.h found, generating asm/ from asm-generic/"

            mkdir -p /usr/local/musl/include/asm

            for f in /usr/local/musl/include/asm-generic/*.h; do

                name=$(basename "$f")

            done

        fi

        # Verify critical header exists

        if [ ! -f /usr/local/musl/include/asm/types.h ]; then

            echo "ERROR: asm/types.h still missing after install!"

            echo "Contents of linux-libc-dev:"

            dpkg -L linux-libc-dev | grep asm | head -20

            exit 1

        fi

        # Verify

        ls -la /usr/local/musl/include/asm/types.h || { echo "FATAL: asm/types.h not found"; exit 1; }

        echo "==> Kernel headers installed (asm/types.h verified)"

    '

}