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# SPDX-License-Identifier: BSD-3-Clause
# Copyright(c) 2018 Intel Corporation
subdirs = ['igb_uio', 'kni']
WARN_CROSS_COMPILE='Need "kernel_dir" option for kmod compilation when cross-compiling'
WARN_NO_HEADERS='Cannot compile kernel modules as requested - are kernel headers installed?'
# if we are cross-compiling we need kernel_dir specified
# NOTE: warning() function only available from version 0.44 onwards
if get_option('kernel_dir') == '' and meson.is_cross_build()
if meson.version().version_compare('>=0.44')
warning(WARN_CROSS_COMPILE)
else
message('WARNING: ' + WARN_CROSS_COMPILE)
endif
else
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 + '/build'
endif
# test running make in kernel directory, using "make kernelversion"
make_returncode = run_command('make', '-sC', kernel_dir,
'kernelversion').returncode()
if make_returncode != 0
if meson.version().version_compare('>=0.44')
warning(WARN_NO_HEADERS)
else
message('WARNING: ' + WARN_NO_HEADERS)
endif
else # returncode == 0
# DO ACTUAL MODULE BUILDING
foreach d:subdirs
subdir(d)
endforeach
endif
endif
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