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Feature detection is done in tools/build/Makefile.feature, we may exit there with some features not detected and then, in tools/perf/Makefile.config try adding extra libraries to link and then do extra feature checks to see if we now find the feature. This is the case with the disassembler-four-args that checks if the diassembler() function in libopcodes (binutils) has a signature with one or with four arguments, as this is not ABI and they changed it at some point. This is not a problem when doing normal builds, for instance: $ make -C tools/perf O=/tmp/build/perf As we don't use what is in FEATURE-DUMP at that point, but is a problem if we pass FEATURE_DUMP=/previously-detected-features as we do in 'make -C tools/perf build-test' to reuse the feature detection in the many build combinations we test there. When that is done feature-disassembler-four-args will be set to 0, but opensuse 15.1 has the four arguments function signature in disassembler(). The build thus fails. Fix it by rewriting the FEATURE-DUMP file at the end of tools/perf/Makefile.config to register features we retested in that make file. Signed-off-by: Jiri Olsa <jolsa@redhat.com> Reported-by: Arnaldo Carvalho de Melo <acme@redhat.com> Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> |
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| bpf | ||
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| debugging | ||
| edid | ||
| firewire | ||
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| include | ||
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| memory-model | ||
| objtool | ||
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