X-Git-Url: https://git.liburcu.org/?a=blobdiff_plain;f=scripts%2Fbuilt-in.sh;fp=scripts%2Fbuilt-in.sh;h=5e57e9341c03f6c0ab4e05a6cfcb68197d2e6d42;hb=6c27a5ccba05b088fbfcf8cd982c25649838298d;hp=0000000000000000000000000000000000000000;hpb=1c124020c743254923d8e76ab5dcd1f69709982e;p=lttng-modules.git

diff --git a/scripts/built-in.sh b/scripts/built-in.sh
new file mode 100755
index 00000000..5e57e934
--- /dev/null
+++ b/scripts/built-in.sh
@@ -0,0 +1,25 @@
+#!/bin/bash
+# SPDX-License-Identifier: (GPL-2.0 OR LGPL-2.1)
+
+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