xref: /dpdk/meson.build (revision 814ad2a9) 
1# SPDX-License-Identifier: BSD-3-Clause
2# Copyright(c) 2017 Intel Corporation
3
4project('DPDK', 'C',
5	version: '19.05.0-rc0',
6	license: 'BSD',
7	default_options: ['buildtype=release', 'default_library=static'],
8	meson_version: '>= 0.41'
9)
10
11# set up some global vars for compiler, platform, configuration, etc.
12cc = meson.get_compiler('c')
13dpdk_conf = configuration_data()
14dpdk_libraries = []
15dpdk_static_libraries = []
16dpdk_drivers = []
17dpdk_extra_ldflags = []
18dpdk_app_link_libraries = []
19
20# set the major version, which might be used by drivers and libraries
21# depending on the configuration options
22pver = meson.project_version().split('.')
23major_version = '@0@.@1@'.format(pver.get(0), pver.get(1))
24
25pmd_subdir_opt = get_option('drivers_install_subdir')
26if pmd_subdir_opt.contains('<VERSION>')
27	pmd_subdir_opt = major_version.join(pmd_subdir_opt.split('<VERSION>'))
28endif
29driver_install_path = join_paths(get_option('libdir'), pmd_subdir_opt)
30eal_pmd_path = join_paths(get_option('prefix'), driver_install_path)
31
32# configure the build, and make sure configs here and in config folder are
33# able to be included in any file. We also store a global array of include dirs
34# for passing to pmdinfogen scripts
35global_inc = include_directories('.', 'config')
36subdir('config')
37
38# build libs and drivers
39subdir('lib')
40subdir('buildtools')
41subdir('drivers')
42
43# build binaries and installable tools
44subdir('usertools')
45subdir('app')
46subdir('test')
47
48# build docs
49subdir('doc')
50
51# build any examples explicitly requested - useful for developers
52if get_option('examples') != ''
53	subdir('examples')
54endif
55
56# build kernel modules if enabled
57if get_option('enable_kmods')
58	subdir('kernel')
59endif
60
61# write the build config
62build_cfg = 'rte_build_config.h'
63configure_file(output: build_cfg,
64		configuration: dpdk_conf,
65		install_dir: join_paths(get_option('includedir'),
66				get_option('include_subdir_arch')))
67
68# for static builds, include the drivers as libs and we need to "whole-archive"
69# them.
70dpdk_drivers = ['-Wl,--whole-archive'] + dpdk_drivers + ['-Wl,--no-whole-archive']
71
72# driver .so files often depend upon the bus drivers for their connect bus,
73# e.g. ixgbe depends on librte_bus_pci. This means that the bus drivers need
74# to be in the library path, so symlink the drivers from the main lib directory.
75meson.add_install_script('buildtools/symlink-drivers-solibs.sh',
76		driver_install_path,
77		get_option('libdir'))
78
79pkg = import('pkgconfig')
80pkg.generate(name: meson.project_name(),
81	filebase: 'lib' + meson.project_name().to_lower(),
82	version: meson.project_version(),
83	libraries: dpdk_libraries,
84	libraries_private: dpdk_drivers + dpdk_static_libraries +
85			['-Wl,-Bdynamic'] + dpdk_extra_ldflags,
86	description: '''The Data Plane Development Kit (DPDK).
87Note that CFLAGS might contain an -march flag higher than typical baseline.
88This is required for a number of static inline functions in the public headers.''',
89	subdirs: [get_option('include_subdir_arch'), '.'],
90	extra_cflags: ['-include', 'rte_config.h'] + machine_args
91)
92
93# final output, list all the libs and drivers to be built
94# this does not affect any part of the build, for information only.
95output_message = '\n=================\nLibraries Enabled\n=================\n'
96output_message += '\nlibs:\n\t'
97output_count = 0
98foreach lib:enabled_libs
99	output_message += lib + ', '
100	output_count += 1
101	if output_count == 8
102		output_message += '\n\t'
103		output_count = 0
104	endif
105endforeach
106message(output_message + '\n')
107
108
109# prior to 0.47 set_variable didn't work with arrays, so we can't
110# track driver lists easily
111if meson.version().version_compare('>=0.47')
112	output_message = '\n===============\nDrivers Enabled\n===============\n'
113	foreach class: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
125	endforeach
126	message(output_message + '\n')
127endif
128