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c6555c1457
Arnaldo reported the perf build failure with latest llvm/clang compiler
(7.0).
$ make LIBCLANGLLVM=1 -C tools/perf/
<SNIP>
CC /tmp/tmp.t53Qo38zci/tests/kmod-path.o
util/c++/clang.cpp: In function ‘std::unique_ptr<llvm::SmallVectorImpl<char> >
perf::getBPFObjectFromModule(llvm::Module*)’:
util/c++/clang.cpp:150:43: error: no matching function for call to
‘llvm::TargetMachine::addPassesToEmitFile(llvm::legacy::PassManager&,
llvm::raw_svector_ostream&, llvm::TargetMachine::CodeGenFileType)’
TargetMachine::CGFT_ObjectFile)) {
^
In file included from util/c++/clang.cpp:25:0:
/usr/local/include/llvm/Target/TargetMachine.h:254:16: note: candidate:
virtual bool llvm::TargetMachine::addPassesToEmitFile(
llvm::legacy::PassManagerBase&, llvm::raw_pwrite_stream&,
llvm::raw_pwrite_stream*, llvm::TargetMachine::CodeGenFileType, bool,
llvm::MachineModuleInfo*)
virtual bool addPassesToEmitFile(PassManagerBase &, raw_pwrite_stream &,
^~~~~~~~~~~~~~~~~~~
/usr/local/include/llvm/Target/TargetMachine.h:254:16: note:
candidate expects 6 arguments, 3 provided
mv: cannot stat '/tmp/tmp.t53Qo38zci/util/c++/.clang.o.tmp': No such file or directory
make[7]: *** [/home/acme/git/perf/tools/build/Makefile.build:101:
/tmp/tmp.t53Qo38zci/util/c++/clang.o] Error 1
make[6]: *** [/home/acme/git/perf/tools/build/Makefile.build:139: c++] Error 2
make[5]: *** [/home/acme/git/perf/tools/build/Makefile.build:139: util] Error 2
make[5]: *** Waiting for unfinished jobs....
CC /tmp/tmp.t53Qo38zci/tests/thread-map.o
The function addPassesToEmitFile signature changed in llvm 7.0 and such
a change caused the failure. This patch fixed the issue with using
proper function signatures under different compiler versions.
Reported-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Yonghong Song <yhs@fb.com>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Alexei Starovoitov <ast@fb.com>
Cc: Daniel Borkmann <daniel@iogearbox.net>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Martin KaFai Lau <kafai@fb.com>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/r/20180616174739.1076733-1-yhs@fb.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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| .. | ||
| Build | ||
| clang-c.h | ||
| clang-test.cpp | ||
| clang.cpp | ||
| clang.h | ||