+#!/bin/bash
+
+set -e
+
+usage() {
+ echo "usage: $0 <kernel source tree>" >&2
+ exit 1
+}
+
+[ "$#" -eq 1 ] || usage
+KERNEL_DIR="$(readlink --canonicalize-existing "$1")"
+
+# Symlink the lttng-modules directory in the kernel source
+ln -sf "$(pwd)" "${KERNEL_DIR}/lttng"
+
+# Graft ourself to the kernel build system
+echo 'source "lttng/Kconfig"' >> "${KERNEL_DIR}/Kconfig"
+sed -i 's#+= kernel/#+= kernel/ lttng/#' "${KERNEL_DIR}/Makefile"
+
+echo >&2
+echo " $0: done." >&2
+echo " $0: now you can build the kernel with LTTng support." >&2
+echo " $0: make sure you enable it (CONFIG_LTTNG) before building." >&2
+echo >&2