X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=kernel%2Flinux%2Fmeson.build;h=5c864a465344daf32df6211f7e18ef4cdb9f34ea;hb=56bb5841fd0608989101d933f091852a3126b4fe;hp=a5b88f0c6536db2120fcbd2b1bb050febee9173a;hpb=3f708560fec4d96bc4ad892fd58815600ed79eef;p=dpdk.git

diff --git a/kernel/linux/meson.build b/kernel/linux/meson.build
index a5b88f0c65..5c864a4653 100644
--- a/kernel/linux/meson.build
+++ b/kernel/linux/meson.build
@@ -1,8 +1,28 @@
 # SPDX-License-Identifier: BSD-3-Clause
 # Copyright(c) 2018 Intel Corporation
 
-subdirs = ['igb_uio']
+subdirs = ['kni']
 
+# if we are cross-compiling we need kernel_dir specified
+if get_option('kernel_dir') == '' and meson.is_cross_build()
+	error('Need "kernel_dir" option for kmod compilation when cross-compiling')
+endif
+
+kernel_dir = get_option('kernel_dir')
+if kernel_dir == ''
+	# use default path for native builds
+	kernel_version = run_command('uname', '-r').stdout().strip()
+	kernel_dir = '/lib/modules/' + kernel_version
+endif
+
+# test running make in kernel directory, using "make kernelversion"
+make_returncode = run_command('make', '-sC', kernel_dir + '/build',
+		'kernelversion').returncode()
+if make_returncode != 0
+	error('Cannot compile kernel modules as requested - are kernel headers installed?')
+endif
+
+# DO ACTUAL MODULE BUILDING
 foreach d:subdirs
 	subdir(d)
 endforeach