1ee492bdc4
Simply compiling a C header with a C++ compiler is not enough to flag missing 'extern "C"' guards. To catch missing guards, we can just use a simple grep for the 'extern "C"' part, and error out if any files have a miss. Signed-off-by: Bruce Richardson <bruce.richardson@intel.com> Acked-by: Tyler Retzlaff <roretzla@linux.microsoft.com>
62 lines
1.9 KiB
Meson
62 lines
1.9 KiB
Meson
# SPDX-License-Identifier: BSD-3-Clause
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# Copyright(c) 2021 Intel Corporation
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if not get_option('check_includes')
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build = false
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subdir_done()
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endif
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gen_c_file_for_header = find_program('gen_c_file_for_header.py')
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gen_c_files = generator(gen_c_file_for_header,
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output: '@BASENAME@.c',
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arguments: ['@INPUT@', '@OUTPUT@'])
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cflags = machine_args
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cflags += '-DALLOW_EXPERIMENTAL_API'
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cflags += '-DALLOW_INTERNAL_API'
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sources = files('main.c')
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sources += gen_c_files.process(dpdk_chkinc_headers)
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# some driver SDK headers depend on these two buses, which are mandatory in build
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# so we always include them in deps list
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deps = [get_variable('shared_rte_bus_vdev'), get_variable('shared_rte_bus_pci')]
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# add the rest of the libs to the dependencies
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foreach l:enabled_libs
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deps += get_variable('shared_rte_' + l)
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endforeach
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executable('chkincs', sources,
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c_args: cflags,
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include_directories: includes,
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dependencies: deps,
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install: false)
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# run tests for c++ builds also
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if not add_languages('cpp', required: false)
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subdir_done()
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endif
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# check for extern C in files, since this is not detected as an error by the compiler
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grep = find_program('grep', required: false)
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if grep.found()
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errlist = run_command([grep, '--files-without-match', '^extern "C"', dpdk_chkinc_headers],
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check: false, capture: true).stdout().split()
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if errlist != []
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error('Files missing C++ \'extern "C"\' guards:\n- ' + '\n- '.join(errlist))
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endif
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endif
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gen_cpp_files = generator(gen_c_file_for_header,
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output: '@BASENAME@.cpp',
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arguments: ['@INPUT@', '@OUTPUT@'])
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cpp_sources = files('main.cpp')
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cpp_sources += gen_cpp_files.process(dpdk_chkinc_headers)
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executable('chkincs-cpp', cpp_sources,
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cpp_args: ['-include', 'rte_config.h', cflags],
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include_directories: includes,
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dependencies: deps,
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install: false)
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