1dnl SPDX-License-Identifier: GPL-2.0-or-later
2dnl Copyright (c) 2013 Oracle and/or its affiliates. All Rights Reserved.
3dnl Author: Alexey Kodanev <alexey.kodanev@oracle.com>
4dnl Building kernel modules
5dnl kernel development headers installed
6
7AC_DEFUN([LTP_CHECK_KERNEL_DEVEL],[
8
9AC_MSG_CHECKING([for kernel-devel])
10AC_ARG_WITH(
11	[linux-version],
12	[AC_HELP_STRING([--with-linux-version=VERSION],
13			[specify the Linux version to build modules for])],
14	[LINUX_VERSION="${withval}"],
15	AS_IF([test "$cross_compiling" = "no"],
16		[LINUX_VERSION=`uname -r`]))
17
18AC_SUBST(LINUX_VERSION)
19
20AC_ARG_WITH([linux-dir],
21	[AC_HELP_STRING([--with-linux-dir=DIR],
22			[specify path to kernel-devel directory])],
23	[LINUX_DIR="${withval}"],
24	AS_IF([test -n "$LINUX_VERSION"],
25		[LINUX_DIR="/lib/modules/$LINUX_VERSION/build"]))
26
27AC_SUBST(LINUX_DIR)
28
29if test -f "$LINUX_DIR/Makefile"; then
30	LINUX_VERSION_MAJOR=`make -C ${LINUX_DIR} -s kernelversion | cut -d. -f1`
31	LINUX_VERSION_PATCH=`make -C ${LINUX_DIR} -s kernelversion | cut -d. -f2`
32fi
33
34if test -n "$LINUX_VERSION_MAJOR" -a -n "$LINUX_VERSION_PATCH"; then
35	WITH_MODULES="yes"
36else
37	WITH_MODULES="no"
38fi
39
40AC_SUBST(LINUX_VERSION_MAJOR)
41AC_SUBST(LINUX_VERSION_PATCH)
42
43AC_MSG_RESULT([$WITH_MODULES])
44
45AC_ARG_WITH(
46	[modules],
47	[AC_HELP_STRING([--without-modules],
48			[disable auto-building kernel modules])],
49			[WITH_MODULES="no"],
50			[])
51
52AC_SUBST(WITH_MODULES)
53])
54