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2020-10-04meson: move sparse detection to Meson and rewrite check_sparse.pyPaolo Bonzini1-11/+45
Pass the path to the program to scripts/check_sparse.py, which previously was not included in config-host.mak. Change scripts/check_sparse.py to work with cgcc, which seems to work better with sparse 0.6.x. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-08-21meson: add sparse supportPaolo Bonzini1-0/+25
Do not use cgcc; instead, extract compilation commands from compile_commands.json and invoke sparse directly. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>