xref: /dpdk/meson.build (revision 85cf6dc3)
1# SPDX-License-Identifier: BSD-3-Clause
2# Copyright(c) 2017-2019 Intel Corporation
3
4project('DPDK', 'C',
5	# Get version number from file.
6	# Fallback to "more" for Windows compatibility.
7	version: run_command(find_program('cat', 'more'),
8		files('VERSION')).stdout().strip(),
9	license: 'BSD',
10	default_options: ['buildtype=release', 'default_library=static'],
11	meson_version: '>= 0.47.1'
12)
13
14# set up some global vars for compiler, platform, configuration, etc.
15cc = meson.get_compiler('c')
16dpdk_conf = configuration_data()
17dpdk_libraries = []
18dpdk_static_libraries = []
19dpdk_driver_classes = []
20dpdk_drivers = []
21dpdk_extra_ldflags = []
22dpdk_app_link_libraries = []
23dpdk_libs_disabled = []
24dpdk_drvs_disabled = []
25
26# configure the build, and make sure configs here and in config folder are
27# able to be included in any file. We also store a global array of include dirs
28# for passing to pmdinfogen scripts
29global_inc = include_directories('.', 'config',
30	'lib/librte_eal/common/include',
31	'lib/librte_eal/@0@/eal/include'.format(host_machine.system()),
32)
33subdir('config')
34
35# build libs and drivers
36subdir('buildtools')
37subdir('lib')
38subdir('drivers')
39
40# build binaries and installable tools
41subdir('usertools')
42subdir('app')
43
44# build docs
45subdir('doc')
46
47# build any examples explicitly requested - useful for developers - and
48# install any example code into the appropriate install path
49subdir('examples')
50
51# build kernel modules if enabled
52if get_option('enable_kmods')
53	subdir('kernel')
54endif
55
56# write the build config
57build_cfg = 'rte_build_config.h'
58configure_file(output: build_cfg,
59		configuration: dpdk_conf,
60		install_dir: join_paths(get_option('includedir'),
61				get_option('include_subdir_arch')))
62
63# for static builds, include the drivers as libs and we need to "whole-archive"
64# them.
65dpdk_drivers = ['-Wl,--whole-archive'] + dpdk_drivers + ['-Wl,--no-whole-archive']
66
67pkg = import('pkgconfig')
68pkg_extra_cflags = ['-include', 'rte_config.h'] + machine_args
69if is_freebsd
70	pkg_extra_cflags += ['-D__BSD_VISIBLE']
71endif
72pkg.generate(name: meson.project_name(),
73	filebase: 'lib' + meson.project_name().to_lower(),
74	version: meson.project_version(),
75	libraries: dpdk_libraries,
76	libraries_private: dpdk_drivers + dpdk_static_libraries +
77			['-Wl,-Bdynamic'] + dpdk_extra_ldflags,
78	requires: libbsd, # apps using rte_string_fns.h may need this if enabled
79	                  # if libbsd is not enabled, then this is blank
80	description: '''The Data Plane Development Kit (DPDK).
81Note that CFLAGS might contain an -march flag higher than typical baseline.
82This is required for a number of static inline functions in the public headers.''',
83	subdirs: [get_option('include_subdir_arch'), '.'],
84	extra_cflags: pkg_extra_cflags
85)
86
87# final output, list all the libs and drivers to be built
88# this does not affect any part of the build, for information only.
89output_message = '\n=================\nLibraries Enabled\n=================\n'
90output_message += '\nlibs:\n\t'
91output_count = 0
92foreach lib:enabled_libs
93	output_message += lib + ', '
94	output_count += 1
95	if output_count == 8
96		output_message += '\n\t'
97		output_count = 0
98	endif
99endforeach
100message(output_message + '\n')
101
102output_message = '\n===============\nDrivers Enabled\n===============\n'
103foreach class:dpdk_driver_classes
104	class_drivers = get_variable(class + '_drivers')
105	output_message += '\n' + class + ':\n\t'
106	output_count = 0
107	foreach drv:class_drivers
108		output_message += drv + ', '
109		output_count += 1
110		if output_count == 8
111			output_message += '\n\t'
112			output_count = 0
113		endif
114	endforeach
115endforeach
116message(output_message + '\n')
117
118output_message = '\n=================\nContent Skipped\n=================\n'
119output_message += '\nlibs:\n\t'
120foreach lib:dpdk_libs_disabled
121	reason = get_variable(lib.underscorify() + '_disable_reason')
122	output_message += lib + ':\t' + reason + '\n\t'
123endforeach
124output_message += '\ndrivers:\n\t'
125foreach drv:dpdk_drvs_disabled
126	reason = get_variable(drv.underscorify() + '_disable_reason')
127	output_message += drv + ':\t' + reason + '\n\t'
128endforeach
129message(output_message + '\n')
130