xref: /dpdk/meson.build (revision ca39d3a8)
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_graph_nodes = []
20dpdk_driver_classes = []
21dpdk_drivers = []
22dpdk_extra_ldflags = []
23dpdk_libs_disabled = []
24dpdk_drvs_disabled = []
25abi_version_file = files('ABI_VERSION')
26
27if host_machine.cpu_family().startswith('x86')
28	arch_subdir = 'x86'
29elif host_machine.cpu_family().startswith('arm') or host_machine.cpu_family().startswith('aarch')
30	arch_subdir = 'arm'
31elif host_machine.cpu_family().startswith('ppc')
32	arch_subdir = 'ppc'
33endif
34
35# configure the build, and make sure configs here and in config folder are
36# able to be included in any file. We also store a global array of include dirs
37# for passing to pmdinfogen scripts
38global_inc = include_directories('.', 'config',
39	'lib/librte_eal/include',
40	'lib/librte_eal/@0@/include'.format(host_machine.system()),
41	'lib/librte_eal/@0@/include'.format(arch_subdir),
42)
43subdir('config')
44
45# build libs and drivers
46subdir('buildtools')
47subdir('lib')
48subdir('drivers')
49
50# build binaries and installable tools
51subdir('usertools')
52subdir('app')
53
54# build docs
55subdir('doc')
56
57# build any examples explicitly requested - useful for developers - and
58# install any example code into the appropriate install path
59subdir('examples')
60
61# build kernel modules if enabled
62if get_option('enable_kmods')
63	subdir('kernel')
64endif
65
66# write the build config
67build_cfg = 'rte_build_config.h'
68configure_file(output: build_cfg,
69		configuration: dpdk_conf,
70		install_dir: join_paths(get_option('includedir'),
71				get_option('include_subdir_arch')))
72
73# for static builds, include the drivers as libs and we need to "whole-archive"
74# them.
75dpdk_drivers = ['-Wl,--whole-archive'] + dpdk_drivers + ['-Wl,--no-whole-archive']
76
77pkg = import('pkgconfig')
78pkg_extra_cflags = ['-include', 'rte_config.h'] + machine_args
79if is_freebsd
80	pkg_extra_cflags += ['-D__BSD_VISIBLE']
81endif
82pkg.generate(name: meson.project_name(),
83	filebase: 'lib' + meson.project_name().to_lower(),
84	version: meson.project_version(),
85	libraries: dpdk_libraries,
86	libraries_private: dpdk_drivers + dpdk_static_libraries +
87			['-Wl,-Bdynamic'] + dpdk_extra_ldflags,
88	requires: libbsd, # apps using rte_string_fns.h may need this if enabled
89	                  # if libbsd is not enabled, then this is blank
90	description: '''The Data Plane Development Kit (DPDK).
91Note that CFLAGS might contain an -march flag higher than typical baseline.
92This is required for a number of static inline functions in the public headers.''',
93	subdirs: [get_option('include_subdir_arch'), '.'],
94	extra_cflags: pkg_extra_cflags
95)
96
97# final output, list all the libs and drivers to be built
98# this does not affect any part of the build, for information only.
99output_message = '\n=================\nLibraries Enabled\n=================\n'
100output_message += '\nlibs:\n\t'
101output_count = 0
102foreach lib:enabled_libs
103	output_message += lib + ', '
104	output_count += 1
105	if output_count == 8
106		output_message += '\n\t'
107		output_count = 0
108	endif
109endforeach
110message(output_message + '\n')
111
112output_message = '\n===============\nDrivers Enabled\n===============\n'
113foreach class:dpdk_driver_classes
114	class_drivers = get_variable(class + '_drivers')
115	output_message += '\n' + class + ':\n\t'
116	output_count = 0
117	foreach drv:class_drivers
118		output_message += drv + ', '
119		output_count += 1
120		if output_count == 8
121			output_message += '\n\t'
122			output_count = 0
123		endif
124	endforeach
125endforeach
126message(output_message + '\n')
127
128output_message = '\n=================\nContent Skipped\n=================\n'
129output_message += '\nlibs:\n\t'
130foreach lib:dpdk_libs_disabled
131	reason = get_variable(lib.underscorify() + '_disable_reason')
132	output_message += lib + ':\t' + reason + '\n\t'
133endforeach
134output_message += '\ndrivers:\n\t'
135foreach drv:dpdk_drvs_disabled
136	reason = get_variable(drv.underscorify() + '_disable_reason')
137	output_message += drv + ':\t' + reason + '\n\t'
138endforeach
139message(output_message + '\n')
140