273d2325b6
When a required library is missing on a platform, rather than having meson report an error about the missing variable, catch the problem earlier and provide a more readable message. Signed-off-by: Bruce Richardson <bruce.richardson@intel.com> Tested-by: Harry van Haaren <harry.van.haaren@intel.com>
56 lines
1.5 KiB
Meson
56 lines
1.5 KiB
Meson
# SPDX-License-Identifier: BSD-3-Clause
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# Copyright(c) 2017 Intel Corporation
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driver_libs = []
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if get_option('default_library') == 'static'
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driver_libs = dpdk_drivers
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endif
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execinfo = cc.find_library('execinfo', required: false)
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allow_skips = true # don't flag an error if we can't build an app
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if get_option('examples').to_lower() == 'all'
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dirs = run_command('sh', '-c',
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'cd $MESON_SOURCE_ROOT/$MESON_SUBDIR && for d in * ; do if [ -d $d ] ; then echo $d ; fi ; done')
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examples = dirs.stdout().split()
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else
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examples = get_option('examples').split(',')
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allow_skips = false # error out if we can't build a requested app
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endif
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foreach example: examples
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name = example
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build = true
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sources = []
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allow_experimental_apis = false
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cflags = machine_args
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ext_deps = [execinfo]
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includes = [include_directories(example)]
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deps = ['eal', 'mempool', 'net', 'mbuf', 'ethdev', 'cmdline']
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subdir(example)
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if build
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dep_objs = ext_deps
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foreach d:deps
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var_name = get_option('default_library') + '_rte_' + d
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if not is_variable(var_name)
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error('Missing dependency "@0@" for example "@1@"'.format(d, name))
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endif
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dep_objs += [get_variable(var_name)]
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endforeach
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if allow_experimental_apis
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cflags += '-DALLOW_EXPERIMENTAL_API'
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endif
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executable('dpdk-' + name, sources,
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include_directories: includes,
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link_whole: driver_libs,
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link_args: dpdk_extra_ldflags,
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c_args: cflags,
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dependencies: dep_objs)
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elif not allow_skips
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error('Cannot build requested example "' + name + '"')
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else
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message('Skipping example "' + name + '"')
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endif
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endforeach
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