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SubjectRe: [PATCH v3 10/30] perf clang: Add builtin clang support ant test case
Em Mon, Dec 05, 2016 at 07:02:48PM -0200, Arnaldo Carvalho de Melo escreveu:
> Em Mon, Dec 05, 2016 at 08:51:01AM -0800, Alexei Starovoitov escreveu:
> > yeah. it's kinda high. I'm guessing rpm llvm libs are in debug mode.
> > Try llvm-config --build-mode --assertion-mode
> > it should be Release OFF
>
> Probably this was with 3.9 and built from git, quite a while ago, now I
> removed it from /usr/local/ and installed what is in f25, but I fear it
> will be insufficient, does 3.8 cuts it for what we're testing? Humm, it
> looks like it will:
>
> [root@jouet ~]# llc --version
> LLVM (http://llvm.org/):
> LLVM version 3.8.0
>
> But I'm now running the container based tests to send a pull req, will
> check later, after that.

Not really, Wang, we need to update that feature detection test to state what
is the minimum required LLVM/clang version, one that has those functions,
which, unfortunately, isn't the one in the latest fedora, fedora 25:

[acme@jouet linux]$ rpm -q llvm-devel clang-devel
llvm-devel-3.8.0-1.fc25.x86_64
clang-devel-3.8.0-2.fc25.x86_64
[acme@jouet linux]$


LINK /tmp/build/perf/libperf-gtk.so
INSTALL GTK UI
/tmp/build/perf/libperf.a(libperf-in.o): In function `perf::createCompilerInvocation(llvm::SmallVector<char const*, 16u>, llvm::StringRef&, clang::DiagnosticsEngine&)':
/home/acme/git/linux/tools/perf/util/c++/clang.cpp:56: undefined reference to `clang::tooling::newInvocation(clang::DiagnosticsEngine*, llvm::SmallVector<char const*, 16u> const&)'
/tmp/build/perf/libperf.a(libperf-in.o): In function `perf::getModuleFromSource(llvm::SmallVector<char const*, 16u>, llvm::StringRef, llvm::IntrusiveRefCntPtr<clang::vfs::FileSystem>)':
/home/acme/git/linux/tools/perf/util/c++/clang.cpp:68: undefined reference to `clang::CompilerInstance::CompilerInstance(std::shared_ptr<clang::PCHContainerOperations>, bool)'
/home/acme/git/linux/tools/perf/util/c++/clang.cpp:69: undefined reference to `clang::CompilerInstance::createDiagnostics(clang::DiagnosticConsumer*, bool)'
/home/acme/git/linux/tools/perf/util/c++/clang.cpp:76: undefined reference to `clang::CompilerInstance::setInvocation(clang::CompilerInvocation*)'
/home/acme/git/linux/tools/perf/util/c++/clang.cpp:78: undefined reference to `clang::EmitLLVMOnlyAction::EmitLLVMOnlyAction(llvm::LLVMContext*)'
/home/acme/git/linux/tools/perf/util/c++/clang.cpp:79: undefined reference to `clang::CompilerInstance::ExecuteAction(clang::FrontendAction&)'
/home/acme/git/linux/tools/perf/util/c++/clang.cpp:82: undefined reference to `clang::CodeGenAction::takeModule()'
/home/acme/git/linux/tools/perf/util/c++/clang.cpp:68: undefined reference to `clang::CompilerInstance::~CompilerInstance()'
/tmp/build/perf/libperf.a(libperf-in.o): In function `perf::getModuleFromSource(llvm::SmallVector<char const*, 16u>, llvm::StringRef, llvm::StringRef)':
/home/acme/git/linux/tools/perf/util/c++/clang.cpp:92: undefined reference to `clang::vfs::getRealFileSystem()'
/home/acme/git/linux/tools/perf/util/c++/clang.cpp:92: undefined reference to `clang::vfs::OverlayFileSystem::OverlayFileSystem(llvm::IntrusiveRefCntPtr<clang::vfs::FileSystem>)'
/home/acme/git/linux/tools/perf/util/c++/clang.cpp:94: undefined reference to `clang::vfs::InMemoryFileSystem::InMemoryFileSystem(bool)'
/home/acme/git/linux/tools/perf/util/c++/clang.cpp:100: undefined reference to `clang::vfs::OverlayFileSystem::pushOverlay(llvm::IntrusiveRefCntPtr<clang::vfs::FileSystem>)'
/home/acme/git/linux/tools/perf/util/c++/clang.cpp:101: undefined reference to `clang::vfs::InMemoryFileSystem::addFile(llvm::Twine const&, long, std::unique_ptr<llvm::MemoryBuffer, std::default_delete<llvm::MemoryBuffer> >)'
/tmp/build/perf/libperf.a(libperf-in.o): In function `perf::getModuleFromSource(llvm::SmallVector<char const*, 16u>, llvm::StringRef)':
/home/acme/git/linux/tools/perf/util/c++/clang.cpp:109: undefined reference to `clang::vfs::getRealFileSystem()'
/tmp/build/perf/libperf.a(libperf-in.o): In function `clang::CompilerInvocation::~CompilerInvocation()':
/usr/include/clang/Frontend/CompilerInvocation.h:102: undefined reference to `clang::CompilerInvocationBase::~CompilerInvocationBase()'
/tmp/build/perf/libperf.a(libperf-in.o): In function `void __gnu_cxx::new_allocator<clang::PCHContainerOperations>::construct<clang::PCHContainerOperations>(clang::PCHContainerOperations*)':
/usr/include/c++/6.2.1/ext/new_allocator.h:120: undefined reference to `clang::PCHContainerOperations::PCHContainerOperations()'
collect2: error: ld returned 1 exit status
Makefile.perf:491: recipe for target '/tmp/build/perf/perf' failed
make[1]: *** [/tmp/build/perf/perf] Error 1
Makefile:108: recipe for target 'install-bin' failed
make: *** [install-bin] Error 2
make: Leaving directory '/home/acme/git/linux/tools/perf'
[acme@jouet linux]$

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