xref: /dpdk/lib/meson.build (revision c7e9729d)
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 = [ 'compat', # just a header, used for versioning
12	'eal', 'ring', 'mempool', 'mbuf', 'net', 'ether', 'pci', # core
13	'metrics', # bitrate/latency stats depends on this
14	'hash',    # efd depends on this
15	'kvargs',  # cryptodev depends on this
16	'acl', 'bbdev', 'bitratestats', 'cfgfile',
17	'cmdline', 'cryptodev',
18	'distributor', 'efd', 'eventdev',
19	'gro', 'gso', 'ip_frag', 'jobstats',
20	'kni', 'latencystats', 'lpm', 'member',
21	'meter', 'power', 'pdump',
22	'reorder', 'sched', 'security', 'timer', 'vhost',
23	# add pkt framework libs which use other libs from above
24	'port', 'table', 'pipeline',
25	# flow_classify lib depends on pkt framework table lib
26	'flow_classify']
27
28foreach l:libraries
29	build = true
30	name = l
31	version = 1
32	allow_experimental_apis = false
33	sources = []
34	headers = []
35	includes = []
36	cflags = machine_args
37	objs = [] # other object files to link against, used e.g. for
38	          # instruction-set optimized versions of code
39
40	# use "deps" for internal DPDK dependencies, and "ext_deps" for
41	# external package/library requirements
42	ext_deps = []
43	deps = ['eal']   # eal is standard dependency except for itself
44	if l == 'eal'
45		deps = []
46	endif
47
48	dir_name = 'librte_' + l
49	subdir(dir_name)
50
51	if build
52		dpdk_conf.set('RTE_LIBRTE_' + name.to_upper(), 1)
53		install_headers(headers)
54
55		libname = 'rte_' + name
56		includes += include_directories(dir_name)
57
58		if sources.length() == 0
59			# if no C files, just set a dependency on header path
60			shared_dep = declare_dependency(include_directories: includes)
61			static_dep = shared_dep
62		else
63			shared_deps = ext_deps
64			static_deps = ext_deps
65			foreach d:deps
66				shared_deps += [get_variable('shared_rte_' + d)]
67				static_deps += [get_variable('static_rte_' + d)]
68			endforeach
69
70			if allow_experimental_apis
71				cflags += '-DALLOW_EXPERIMENTAL_API'
72			endif
73
74			if get_option('per_library_versions')
75				lib_version = '@[email protected]'.format(version)
76				so_version = '@0@'.format(version)
77			else
78				prj_ver = meson.project_version().split('.')
79				lib_version = '@0@.@1@'.format(
80						prj_ver.get(0), prj_ver.get(1))
81				so_version = lib_version
82			endif
83
84			# first build static lib
85			static_lib = static_library(libname,
86					sources,
87					objects: objs,
88					c_args: cflags,
89					dependencies: static_deps,
90					include_directories: includes,
91					install: true)
92			static_dep = declare_dependency(link_with: static_lib,
93					include_directories: includes,
94					dependencies: static_deps)
95
96			# then use pre-build objects to build shared lib
97			sources = []
98			objs += static_lib.extract_all_objects()
99			version_map = '@0@/@1@/rte_@2@_version.map'.format(
100					meson.current_source_dir(), dir_name, name)
101			shared_lib = shared_library(libname,
102					sources,
103					objects: objs,
104					c_args: cflags,
105					dependencies: shared_deps,
106					include_directories: includes,
107					link_args: '-Wl,--version-script=' + version_map,
108					link_depends: version_map,
109					version: lib_version,
110					soversion: so_version,
111					install: true)
112			shared_dep = declare_dependency(link_with: shared_lib,
113					include_directories: includes,
114					dependencies: shared_deps)
115
116			dpdk_libraries = [shared_lib] + dpdk_libraries
117		endif # sources.length() > 0
118
119		set_variable('shared_' + libname, shared_dep)
120		set_variable('static_' + libname, static_dep)
121	endif # if build
122endforeach
123