net/bnxt: modify mark manager validity checks

[dpdk.git] / kernel / linux / meson.build

diff --git a/kernel/linux/meson.build b/kernel/linux/meson.build
index a5b88f0..1796cc6 100644 (file)
--- a/kernel/linux/meson.build
+++ b/kernel/linux/meson.build
@@ -1,8 +1,30 @@
 # SPDX-License-Identifier: BSD-3-Clause
 # Copyright(c) 2018 Intel Corporation
 
-subdirs = ['igb_uio']
+subdirs = ['igb_uio', 'kni']
 
+# if we are cross-compiling we need kernel_dir specified
+if get_option('kernel_dir') == '' and meson.is_cross_build()
+       warning('Need "kernel_dir" option for kmod compilation when cross-compiling')
+       subdir_done()
+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
+       warning('Cannot compile kernel modules as requested - are kernel headers installed?')
+       subdir_done()
+endif
+
+# DO ACTUAL MODULE BUILDING
 foreach d:subdirs
        subdir(d)
 endforeach