xref: /f-stack/dpdk/lib/meson.build (revision d30ea906)
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	'cmdline', # ethdev depends on cmdline for parsing functions
13	'kvargs', # eal depends on kvargs
14	'eal', 'ring', 'mempool', 'mbuf', 'net', 'ethdev', 'pci', # core
15	'metrics', # bitrate/latency stats depends on this
16	'hash',    # efd depends on this
17	'timer',   # eventdev depends on this
18	'acl', 'bbdev', 'bitratestats', 'cfgfile',
19	'compressdev', 'cryptodev',
20	'distributor', 'efd', 'eventdev',
21	'gro', 'gso', 'ip_frag', 'jobstats',
22	'kni', 'latencystats', 'lpm', 'member',
23	'meter', 'power', 'pdump', 'rawdev',
24	'reorder', 'sched', 'security', 'vhost',
25	# add pkt framework libs which use other libs from above
26	'port', 'table', 'pipeline',
27	# flow_classify lib depends on pkt framework table lib
28	'flow_classify', 'bpf', 'telemetry']
29
30default_cflags = machine_args
31if cc.has_argument('-Wno-format-truncation')
32	default_cflags += '-Wno-format-truncation'
33endif
34
35enabled_libs = [] # used to print summary at the end
36
37# -D_GNU_SOURCE unconditionally
38default_cflags += '-D_GNU_SOURCE'
39
40foreach l:libraries
41	build = true
42	name = l
43	version = 1
44	allow_experimental_apis = false
45	sources = []
46	headers = []
47	includes = []
48	cflags = default_cflags
49	objs = [] # other object files to link against, used e.g. for
50	          # instruction-set optimized versions of code
51
52	# use "deps" for internal DPDK dependencies, and "ext_deps" for
53	# external package/library requirements
54	ext_deps = []
55	deps = []
56	# eal is standard dependency once built
57	if dpdk_conf.has('RTE_LIBRTE_EAL')
58		deps += ['eal']
59	endif
60
61	dir_name = 'librte_' + l
62	subdir(dir_name)
63
64	if build
65		enabled_libs += name
66		dpdk_conf.set('RTE_LIBRTE_' + name.to_upper(), 1)
67		install_headers(headers)
68
69		libname = 'rte_' + name
70		includes += include_directories(dir_name)
71
72		if sources.length() == 0
73			# if no C files, just set a dependency on header path
74			shared_dep = declare_dependency(include_directories: includes)
75			static_dep = shared_dep
76		else
77			shared_deps = ext_deps
78			static_deps = ext_deps
79			foreach d:deps
80				if not is_variable('shared_rte_' + d)
81					error('Missing dependency ' + d +
82						' for library ' + lib_name)
83				endif
84				shared_deps += [get_variable('shared_rte_' + d)]
85				static_deps += [get_variable('static_rte_' + d)]
86			endforeach
87
88			if allow_experimental_apis
89				cflags += '-DALLOW_EXPERIMENTAL_API'
90			endif
91
92			if get_option('per_library_versions')
93				lib_version = '@[email protected]'.format(version)
94				so_version = '@0@'.format(version)
95			else
96				lib_version = major_version
97				so_version = major_version
98			endif
99
100			# first build static lib
101			static_lib = static_library(libname,
102					sources,
103					objects: objs,
104					c_args: cflags,
105					dependencies: static_deps,
106					include_directories: includes,
107					install: true)
108			static_dep = declare_dependency(link_with: static_lib,
109					include_directories: includes,
110					dependencies: static_deps)
111
112			# then use pre-build objects to build shared lib
113			sources = []
114			objs += static_lib.extract_all_objects(recursive: false)
115			version_map = '@0@/@1@/rte_@2@_version.map'.format(
116					meson.current_source_dir(), dir_name, name)
117			shared_lib = shared_library(libname,
118					sources,
119					objects: objs,
120					c_args: cflags,
121					dependencies: shared_deps,
122					include_directories: includes,
123					link_args: '-Wl,--version-script=' + version_map,
124					link_depends: version_map,
125					version: lib_version,
126					soversion: so_version,
127					install: true)
128			shared_dep = declare_dependency(link_with: shared_lib,
129					include_directories: includes,
130					dependencies: shared_deps)
131
132			dpdk_libraries = [shared_lib] + dpdk_libraries
133			dpdk_static_libraries = [static_lib] + dpdk_static_libraries
134		endif # sources.length() > 0
135
136		set_variable('shared_' + libname, shared_dep)
137		set_variable('static_' + libname, static_dep)
138	endif # if build
139endforeach
140