New upstream version 18.11-rc1
[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 # ppc64 does not support -march=native
13 if host_machine.cpu_family().startswith('ppc') and machine == 'native'
14         machine_args += '-mcpu=' + machine
15         machine_args += '-mtune=' + machine
16 else
17         machine_args += '-march=' + machine
18 endif
19
20 toolchain = cc.get_id()
21 dpdk_conf.set_quoted('RTE_TOOLCHAIN', toolchain)
22 dpdk_conf.set('RTE_TOOLCHAIN_' + toolchain.to_upper(), 1)
23
24 add_project_link_arguments('-Wl,--no-as-needed', language: 'c')
25 dpdk_extra_ldflags += '-Wl,--no-as-needed'
26
27 # use pthreads
28 add_project_link_arguments('-pthread', language: 'c')
29 dpdk_extra_ldflags += '-pthread'
30
31 # some libs depend on maths lib
32 add_project_link_arguments('-lm', language: 'c')
33 dpdk_extra_ldflags += '-lm'
34
35 # for linux link against dl, for bsd execinfo
36 if host_machine.system() == 'linux'
37         link_lib = 'dl'
38 else
39         link_lib = 'execinfo'
40 endif
41 add_project_link_arguments('-l' + link_lib, language: 'c')
42 dpdk_extra_ldflags += '-l' + link_lib
43
44 # check for libraries used in multiple places in DPDK
45 has_libnuma = 0
46 numa_dep = cc.find_library('numa', required: false)
47 if numa_dep.found() and cc.has_header('numaif.h')
48         dpdk_conf.set10('RTE_HAS_LIBNUMA', true)
49         has_libnuma = 1
50         add_project_link_arguments('-lnuma', language: 'c')
51         dpdk_extra_ldflags += '-lnuma'
52 endif
53
54 # check for strlcpy
55 if host_machine.system() == 'linux' and cc.find_library('bsd',
56                 required: false).found() and cc.has_header('bsd/string.h')
57         dpdk_conf.set('RTE_USE_LIBBSD', 1)
58         add_project_link_arguments('-lbsd', language: 'c')
59         dpdk_extra_ldflags += '-lbsd'
60 endif
61
62 # add -include rte_config to cflags
63 add_project_arguments('-include', 'rte_config.h', language: 'c')
64
65 # enable extra warnings and disable any unwanted warnings
66 warning_flags = [
67         '-Wsign-compare',
68         '-Wcast-qual',
69         '-Wno-address-of-packed-member'
70 ]
71 if cc.sizeof('void *') == 4
72 # for 32-bit, don't warn about casting a 32-bit pointer to 64-bit int - it's fine!!
73         warning_flags += '-Wno-pointer-to-int-cast'
74 endif
75 foreach arg: warning_flags
76         if cc.has_argument(arg)
77                 add_project_arguments(arg, language: 'c')
78         endif
79 endforeach
80
81 # set other values pulled from the build options
82 dpdk_conf.set('RTE_MAX_LCORE', get_option('max_lcores'))
83 dpdk_conf.set('RTE_MAX_NUMA_NODES', get_option('max_numa_nodes'))
84 dpdk_conf.set('RTE_LIBEAL_USE_HPET', get_option('use_hpet'))
85 dpdk_conf.set('RTE_EAL_ALLOW_INV_SOCKET_ID', get_option('allow_invalid_socket_id'))
86 # values which have defaults which may be overridden
87 dpdk_conf.set('RTE_MAX_VFIO_GROUPS', 64)
88 dpdk_conf.set('RTE_DRIVER_MEMPOOL_BUCKET_SIZE_KB', 64)
89 dpdk_conf.set('RTE_LIBRTE_DPAA2_USE_PHYS_IOVA', true)
90
91 compile_time_cpuflags = []
92 if host_machine.cpu_family().startswith('x86')
93         arch_subdir = 'x86'
94 elif host_machine.cpu_family().startswith('arm') or host_machine.cpu_family().startswith('aarch')
95         arch_subdir = 'arm'
96 elif host_machine.cpu_family().startswith('ppc')
97         arch_subdir = 'ppc_64'
98 endif
99 subdir(arch_subdir)
100 dpdk_conf.set('RTE_COMPILE_TIME_CPUFLAGS', ','.join(compile_time_cpuflags))
101
102 # set the install path for the drivers
103 dpdk_conf.set_quoted('RTE_EAL_PMD_PATH', eal_pmd_path)
104
105 install_headers('rte_config.h', subdir: get_option('include_subdir_arch'))
106
107 # enable VFIO only if it is linux OS
108 dpdk_conf.set('RTE_EAL_VFIO', host_machine.system() == 'linux')