xref: /f-stack/dpdk/examples/meson.build (revision 490ee526)
1# SPDX-License-Identifier: BSD-3-Clause
2# Copyright(c) 2017 Intel Corporation
3
4driver_libs = []
5if get_option('default_library') == 'static'
6	driver_libs = dpdk_drivers
7endif
8
9execinfo = cc.find_library('execinfo', required: false)
10
11allow_skips = true # don't flag an error if we can't build an app
12
13if get_option('examples').to_lower() == 'all'
14	dirs = run_command('sh', '-c',
15		'cd $MESON_SOURCE_ROOT/$MESON_SUBDIR && for d in * ; do if [ -d $d ] ; then echo $d ; fi ; done')
16	examples = dirs.stdout().split()
17else
18	examples = get_option('examples').split(',')
19	allow_skips = false # error out if we can't build a requested app
20endif
21default_cflags = machine_args
22if cc.has_argument('-Wno-format-truncation')
23	default_cflags += '-Wno-format-truncation'
24endif
25
26# specify -D_GNU_SOURCE unconditionally
27default_cflags += '-D_GNU_SOURCE'
28
29foreach example: examples
30	name = example
31	build = true
32	sources = []
33	allow_experimental_apis = false
34	cflags = default_cflags
35
36	ext_deps = [execinfo]
37	includes = [include_directories(example)]
38	deps = ['eal', 'mempool', 'net', 'mbuf', 'ethdev', 'cmdline']
39	subdir(example)
40
41	if build
42		dep_objs = ext_deps
43		foreach d:deps
44			var_name = get_option('default_library') + '_rte_' + d
45			if not is_variable(var_name)
46				error('Missing dependency "@0@" for example "@1@"'.format(d, name))
47			endif
48			dep_objs += [get_variable(var_name)]
49		endforeach
50		if allow_experimental_apis
51			cflags += '-DALLOW_EXPERIMENTAL_API'
52		endif
53		executable('dpdk-' + name, sources,
54			include_directories: includes,
55			link_whole: driver_libs,
56			link_args: dpdk_extra_ldflags,
57			c_args: cflags,
58			dependencies: dep_objs)
59	elif not allow_skips
60		error('Cannot build requested example "' + name + '"')
61	else
62		message('Skipping example "' + name + '"')
63	endif
64endforeach
65