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build: support disabling drivers with meson

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Add support for a new build option to turn off certain drivers. Any other
drivers which depend on the one being disabled will also be disabled with a
suitable debug message.

Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
Acked-by: Luca Boccassi <bluca@debian.org>
Acked-by: Maxime Coquelin <maxime.coquelin@redhat.com>
This commit is contained in:
Bruce Richardson 2019-09-25 15:55:31 +01:00 committed by Thomas Monjalon
parent 7f8f7f4d0a
commit 6f80f1cd22
2 changed files with 14 additions and 4 deletions
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16
drivers/meson.build
View File

@ -16,6 +16,8 @@ dpdk_driver_classes = ['common',
'baseband', # depends on common and bus.
'raw'] # depends on common, bus, mempool, net and event.
disabled_drivers = get_option('disable_drivers').split(',')
default_cflags = machine_args
if cc.has_argument('-Wno-format-truncation')
default_cflags += '-Wno-format-truncation'
@ -59,17 +61,23 @@ foreach class:dpdk_driver_classes
# pull in driver directory which should assign to each of the above
subdir(drv_path)
if build
if drv_path in disabled_drivers
build = false
reason = 'Explicitly disabled via build config'
elif build
# get dependency objs from strings
shared_deps = ext_deps
static_deps = ext_deps
foreach d:deps
if not is_variable('shared_rte_' + d)
error('Missing internal dependency "@0@" for @1@ [@2@]'
build = false
reason = 'Missing internal dependency, "@0@"'.format(d)
message('Disabling @1@ [@2@]: missing internal dependency "@0@"'
.format(d, name, 'drivers/' + drv_path))
else
shared_deps += [get_variable('shared_rte_' + d)]
static_deps += [get_variable('static_rte_' + d)]
endif
shared_deps += [get_variable('shared_rte_' + d)]
static_deps += [get_variable('static_rte_' + d)]
endforeach
endif

2
meson_options.txt
View File

@ -2,6 +2,8 @@
option('allow_invalid_socket_id', type: 'boolean', value: false,
description: 'allow out-of-range NUMA socket id\'s for platforms that don\'t report the value correctly')
option('disable_drivers', type: 'string', value: '',
description: 'Comma-separated list of drivers to explicitly disable.')
option('drivers_install_subdir', type: 'string', value: 'dpdk/pmds-<VERSION>',
description: 'Subdirectory of libdir where to install PMDs. Defaults to using a versioned subdirectory.')
option('enable_docs', type: 'boolean', value: false,