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igb_uio: build with meson

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Support building igb_uio using meson and ninja. For this, we still use the
kernel's kbuild system, by calling out to make, since it's safer and easier
than trying to reproduce that in meson. A list of suitable file
dependencies is given so that we have a reasonable chance of a rebuild when
necessary.

Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
Reviewed-by: Harry van Haaren <harry.van.haaren@intel.com>
Acked-by: Keith Wiles <keith.wiles@intel.com>
Acked-by: Luca Boccassi <luca.boccassi@gmail.com>
This commit is contained in:
Bruce Richardson 2017-08-28 17:00:52 +01:00
parent 844514c735
commit a52f4574f7
4 changed files with 59 additions and 0 deletions
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1
lib/librte_eal/linuxapp/igb_uio/Kbuild Normal file
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@ -0,0 +1 @@
obj-m := igb_uio.o

46
lib/librte_eal/linuxapp/igb_uio/meson.build Normal file
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@ -0,0 +1,46 @@
# BSD LICENSE
#
# Copyright(c) 2017 Intel Corporation.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in
# the documentation and/or other materials provided with the
# distribution.
# * Neither the name of Intel Corporation nor the names of its
# contributors may be used to endorse or promote products derived
# from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
mkfile = custom_target('igb_uio_makefile',
output: 'Makefile',
command: ['touch', '@OUTPUT@'])
custom_target('igb_uio',
input: ['igb_uio.c', 'Kbuild'],
output: 'igb_uio.ko',
command: ['make', '-C', kernel_dir,
'M=' + meson.current_build_dir(),
'src=' + meson.current_source_dir(),
'EXTRA_CFLAGS=-I' + meson.current_source_dir() +
'/../../common/include',
'modules'],
depends: mkfile,
build_by_default: true)

10
lib/librte_eal/linuxapp/meson.build
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@ -30,3 +30,13 @@
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
subdir('eal')
if get_option('enable_kmods')
kernel_dir = get_option('kernel_dir')
if kernel_dir == ''
kernel_version = run_command('uname', '-r').stdout().strip()
kernel_dir = '/lib/modules/' + kernel_version + '/build'
endif
subdir('igb_uio')
endif

2
meson_options.txt
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@ -4,3 +4,5 @@ option('max_numa_nodes', type: 'string', value: '4', description: 'maximum numbe
option('use_hpet', type: 'boolean', value: false, description: 'use HPET timer in EAL')
option('allow_invalid_socket_id', type: 'boolean', value: false,
description: 'allow out-of-range NUMA socket id\'s for platforms that don\'t report the value correctly')
option('enable_kmods', type: 'boolean', value: true, description: 'build kernel modules')
option('kernel_dir', type: 'string', value: '', description: 'path to the kernel for building kernel modules')