xref: /dpdk/meson.build (revision 4bcb9b76) 
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: '>= 0.47.1'
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', 'lib/librte_eal/common/include')
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')
46
47# build docs
48subdir('doc')
49
50# build any examples explicitly requested - useful for developers
51if get_option('examples') != ''
52	subdir('examples')
53endif
54
55# build kernel modules if enabled
56if get_option('enable_kmods')
57	subdir('kernel')
58endif
59
60# write the build config
61build_cfg = 'rte_build_config.h'
62configure_file(output: build_cfg,
63		configuration: dpdk_conf,
64		install_dir: join_paths(get_option('includedir'),
65				get_option('include_subdir_arch')))
66
67# for static builds, include the drivers as libs and we need to "whole-archive"
68# them.
69dpdk_drivers = ['-Wl,--whole-archive'] + dpdk_drivers + ['-Wl,--no-whole-archive']
70
71# driver .so files often depend upon the bus drivers for their connect bus,
72# e.g. ixgbe depends on librte_bus_pci. This means that the bus drivers need
73# to be in the library path, so symlink the drivers from the main lib directory.
74meson.add_install_script('buildtools/symlink-drivers-solibs.sh',
75		driver_install_path,
76		get_option('libdir'))
77
78pkg = import('pkgconfig')
79pkg.generate(name: meson.project_name(),
80	filebase: 'lib' + meson.project_name().to_lower(),
81	version: meson.project_version(),
82	libraries: dpdk_libraries,
83	libraries_private: dpdk_drivers + dpdk_static_libraries +
84			['-Wl,-Bdynamic'] + dpdk_extra_ldflags,
85	description: '''The Data Plane Development Kit (DPDK).
86Note that CFLAGS might contain an -march flag higher than typical baseline.
87This is required for a number of static inline functions in the public headers.''',
88	subdirs: [get_option('include_subdir_arch'), '.'],
89	extra_cflags: ['-include', 'rte_config.h'] + machine_args
90)
91
92# final output, list all the libs and drivers to be built
93# this does not affect any part of the build, for information only.
94output_message = '\n=================\nLibraries Enabled\n=================\n'
95output_message += '\nlibs:\n\t'
96output_count = 0
97foreach lib:enabled_libs
98	output_message += lib + ', '
99	output_count += 1
100	if output_count == 8
101		output_message += '\n\t'
102		output_count = 0
103	endif
104endforeach
105message(output_message + '\n')
106
107output_message = '\n===============\nDrivers Enabled\n===============\n'
108foreach class:driver_classes
109	class_drivers = get_variable(class + '_drivers')
110	output_message += '\n' + class + ':\n\t'
111	output_count = 0
112	foreach drv:class_drivers
113		output_message += drv + ', '
114		output_count += 1
115		if output_count == 8
116			output_message += '\n\t'
117			output_count = 0
118		endif
119	endforeach
120endforeach
121message(output_message + '\n')
122