New upstream version 18.08
[deb_dpdk.git] / config / meson.build
1 # SPDX-License-Identifier: BSD-3-Clause
2 # Copyright(c) 2017 Intel Corporation
3
4 # set the machine type and cflags for it
5 if meson.is_cross_build()
6         machine = host_machine.cpu()
7 else
8         machine = get_option('machine')
9 endif
10 dpdk_conf.set('RTE_MACHINE', machine)
11 machine_args = []
12 machine_args += '-march=' + machine
13
14 toolchain = cc.get_id()
15 dpdk_conf.set_quoted('RTE_TOOLCHAIN', toolchain)
16 dpdk_conf.set('RTE_TOOLCHAIN_' + toolchain.to_upper(), 1)
17
18 # use pthreads
19 add_project_link_arguments('-pthread', language: 'c')
20 dpdk_extra_ldflags += '-pthread'
21
22 # some libs depend on maths lib
23 add_project_link_arguments('-lm', language: 'c')
24 dpdk_extra_ldflags += '-lm'
25
26 # for linux link against dl, for bsd execinfo
27 if host_machine.system() == 'linux'
28         link_lib = 'dl'
29 else
30         link_lib = 'execinfo'
31 endif
32 add_project_link_arguments('-l' + link_lib, language: 'c')
33 dpdk_extra_ldflags += '-l' + link_lib
34
35 # check for libraries used in multiple places in DPDK
36 has_libnuma = 0
37 numa_dep = cc.find_library('numa', required: false)
38 if numa_dep.found() and cc.has_header('numaif.h')
39         dpdk_conf.set10('RTE_HAS_LIBNUMA', true)
40         has_libnuma = 1
41         add_project_link_arguments('-lnuma', language: 'c')
42         dpdk_extra_ldflags += '-lnuma'
43 endif
44
45 # check for strlcpy
46 if host_machine.system() == 'linux' and cc.find_library('bsd',
47                 required: false).found() and cc.has_header('bsd/string.h')
48         dpdk_conf.set('RTE_USE_LIBBSD', 1)
49         add_project_link_arguments('-lbsd', language: 'c')
50         dpdk_extra_ldflags += '-lbsd'
51 endif
52
53 # add -include rte_config to cflags
54 add_project_arguments('-include', 'rte_config.h', language: 'c')
55
56 # enable extra warnings and disable any unwanted warnings
57 warning_flags = [
58         '-Wsign-compare',
59         '-Wcast-qual',
60         '-Wno-address-of-packed-member'
61 ]
62 if cc.sizeof('void *') == 4
63 # for 32-bit, don't warn about casting a 32-bit pointer to 64-bit int - it's fine!!
64         warning_flags += '-Wno-pointer-to-int-cast'
65 endif
66 foreach arg: warning_flags
67         if cc.has_argument(arg)
68                 add_project_arguments(arg, language: 'c')
69         endif
70 endforeach
71
72 # set other values pulled from the build options
73 dpdk_conf.set('RTE_MAX_LCORE', get_option('max_lcores'))
74 dpdk_conf.set('RTE_MAX_NUMA_NODES', get_option('max_numa_nodes'))
75 dpdk_conf.set('RTE_LIBEAL_USE_HPET', get_option('use_hpet'))
76 dpdk_conf.set('RTE_EAL_ALLOW_INV_SOCKET_ID', get_option('allow_invalid_socket_id'))
77 # values which have defaults which may be overridden
78 dpdk_conf.set('RTE_MAX_VFIO_GROUPS', 64)
79 dpdk_conf.set('RTE_DRIVER_MEMPOOL_BUCKET_SIZE_KB', 64)
80 dpdk_conf.set('RTE_LIBRTE_DPAA2_USE_PHYS_IOVA', true)
81
82 compile_time_cpuflags = []
83 if host_machine.cpu_family().startswith('x86')
84         arch_subdir = 'x86'
85 elif host_machine.cpu_family().startswith('arm') or host_machine.cpu_family().startswith('aarch')
86         arch_subdir = 'arm'
87 endif
88 subdir(arch_subdir)
89 dpdk_conf.set('RTE_COMPILE_TIME_CPUFLAGS', ','.join(compile_time_cpuflags))
90
91 # set the install path for the drivers
92 dpdk_conf.set_quoted('RTE_EAL_PMD_PATH', eal_pmd_path)
93
94 install_headers('rte_config.h', subdir: get_option('include_subdir_arch'))