xref: /dpdk/lib/meson.build (revision 742bde12)
1# SPDX-License-Identifier: BSD-3-Clause
2# Copyright(c) 2017 Intel Corporation
3
4
5# process all libraries equally, as far as possible
6# "core" libs first, then others alphebetically as far as possible
7# NOTE: for speed of meson runs, the dependencies in the subdirectories
8# sometimes skip deps that would be implied by others, e.g. if mempool is
9# given as a dep, no need to mention ring. This is especially true for the
10# core libs which are widely reused, so their deps are kept to a minimum.
11libraries = [
12	'kvargs', # eal depends on kvargs
13	'eal', # everything depends on eal
14	'cmdline', # ethdev depends on cmdline for parsing functions
15	'ring', 'mempool', 'mbuf', 'net', 'meter', 'ethdev', 'pci', # core
16	'metrics', # bitrate/latency stats depends on this
17	'hash',    # efd depends on this
18	'timer',   # eventdev depends on this
19	'acl', 'bbdev', 'bitratestats', 'cfgfile',
20	'compressdev', 'cryptodev',
21	'distributor', 'efd', 'eventdev',
22	'gro', 'gso', 'ip_frag', 'jobstats',
23	'kni', 'latencystats', 'lpm', 'member',
24	'power', 'pdump', 'rawdev',
25	'reorder', 'sched', 'security', 'vhost',
26	#ipsec lib depends on crypto and security
27	'ipsec',
28	# add pkt framework libs which use other libs from above
29	'port', 'table', 'pipeline',
30	# flow_classify lib depends on pkt framework table lib
31	'flow_classify', 'bpf', 'telemetry']
32
33default_cflags = machine_args
34if cc.has_argument('-Wno-format-truncation')
35	default_cflags += '-Wno-format-truncation'
36endif
37
38enabled_libs = [] # used to print summary at the end
39
40# -D_GNU_SOURCE unconditionally
41default_cflags += '-D_GNU_SOURCE'
42
43foreach l:libraries
44	build = true
45	name = l
46	version = 1
47	allow_experimental_apis = false
48	sources = []
49	headers = []
50	includes = []
51	cflags = default_cflags
52	objs = [] # other object files to link against, used e.g. for
53	          # instruction-set optimized versions of code
54
55	# use "deps" for internal DPDK dependencies, and "ext_deps" for
56	# external package/library requirements
57	ext_deps = []
58	deps = []
59	# eal is standard dependency once built
60	if dpdk_conf.has('RTE_LIBRTE_EAL')
61		deps += ['eal']
62	endif
63
64	dir_name = 'librte_' + l
65	subdir(dir_name)
66
67	if build
68		enabled_libs += name
69		dpdk_conf.set('RTE_LIBRTE_' + name.to_upper(), 1)
70		install_headers(headers)
71
72		libname = 'rte_' + name
73		includes += include_directories(dir_name)
74
75		if sources.length() == 0
76			# if no C files, just set a dependency on header path
77			shared_dep = declare_dependency(include_directories: includes)
78			static_dep = shared_dep
79		else
80			shared_deps = ext_deps
81			static_deps = ext_deps
82			foreach d:deps
83				if not is_variable('shared_rte_' + d)
84					error('Missing dependency ' + d +
85						' for library ' + libname)
86				endif
87				shared_deps += [get_variable('shared_rte_' + d)]
88				static_deps += [get_variable('static_rte_' + d)]
89			endforeach
90
91			if allow_experimental_apis
92				cflags += '-DALLOW_EXPERIMENTAL_API'
93			endif
94
95			if get_option('per_library_versions')
96				lib_version = '@[email protected]'.format(version)
97				so_version = '@0@'.format(version)
98			else
99				lib_version = major_version
100				so_version = major_version
101			endif
102
103			# first build static lib
104			static_lib = static_library(libname,
105					sources,
106					objects: objs,
107					c_args: cflags,
108					dependencies: static_deps,
109					include_directories: includes,
110					install: true)
111			static_dep = declare_dependency(link_with: static_lib,
112					include_directories: includes,
113					dependencies: static_deps)
114
115			# then use pre-build objects to build shared lib
116			sources = []
117			objs += static_lib.extract_all_objects(recursive: false)
118			version_map = '@0@/@1@/rte_@2@_version.map'.format(
119					meson.current_source_dir(), dir_name, name)
120			shared_lib = shared_library(libname,
121					sources,
122					objects: objs,
123					c_args: cflags,
124					dependencies: shared_deps,
125					include_directories: includes,
126					link_args: '-Wl,--version-script=' + version_map,
127					link_depends: version_map,
128					version: lib_version,
129					soversion: so_version,
130					install: true)
131			shared_dep = declare_dependency(link_with: shared_lib,
132					include_directories: includes,
133					dependencies: shared_deps)
134
135			dpdk_libraries = [shared_lib] + dpdk_libraries
136			dpdk_static_libraries = [static_lib] + dpdk_static_libraries
137		endif # sources.length() > 0
138
139		set_variable('shared_' + libname, shared_dep)
140		set_variable('static_' + libname, static_dep)
141	endif # if build
142endforeach
143