<div dir="ltr">Try adding <font face="monospace, monospace">clangFrontend </font>to <span style="background-color:rgb(240,240,240);color:rgb(51,51,51)"><font face="monospace, monospace">target_link_libraries </font>in <font face="monospace, monospace">CMakeLists.txt</font>.</span></div><br><div class="gmail_quote"><div dir="ltr">Lou Wynn via cfe-dev <<a href="mailto:cfe-dev@lists.llvm.org">cfe-dev@lists.llvm.org</a>> ezt írta (időpont: 2018. okt. 22., H, 12:14):<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div text="#000000" bgcolor="#FFFFFF">
<p><font size="+1">I followed the libTooling tutorial at here:
<a class="m_-2790850193459753337moz-txt-link-freetext" href="http://clang.llvm.org/docs/LibASTMatchersTutorial.html" target="_blank">http://clang.llvm.org/docs/LibASTMatchersTutorial.html</a> to write
the loop-convert program. When I built it, I got the following
error (I used the unofficial monorepo to build clang):<br>
</font></p>
<p><tt><font size="+1"><br>
</font></tt></p>
<p><tt><font size="+1">$ ninja loop-convert<br>
[1/1] Linking CXX executable bin/loop-convert<br>
FAILED: : && /usr/bin/clang++-6.0 -fPIC
-fvisibility-inlines-hidden -Werror=date-time
-Werror=unguarded-availability-new -std=c++11 -Wall -Wextra
-Wno-unused-parameter -Wwrite-strings -Wcast-qual
-Wmissing-field-initializers -pedantic -Wno-long-long
-Wcovered-switch-default -Wno-noexcept-type -Wnon-virtual-dtor
-Wdelete-non-virtual-dtor -Wstring-conversion
-fdiagnostics-color -fno-common -Woverloaded-virtual
-Wno-nested-anon-types -g -fuse-ld=lld-6.0
-Wl,--color-diagnostics -Wl,-allow-shlib-undefined
tools/clang/tools/extra/loop-convert/CMakeFiles/loop-convert.dir/LoopConvert.cpp.o
-o bin/loop-convert lib/libLLVMSupport.so.8svn -lpthread
lib/libclangTooling.so.8svn lib/libclangBasic.so.8svn
lib/libclangASTMatchers.so.8svn -Wl,-rpath,"\$ORIGIN/../lib"
&& :<br>
/usr/bin/ld.lld-6.0: error: undefined symbol:
clang::PCHContainerOperations::PCHContainerOperations()<br>
>>> referenced by new_allocator.h:120
(/usr/bin/../lib/gcc/x86_64-linux-gnu/5.4.0/../../../../include/c++/5.4.0/ext/new_allocator.h:120)<br>
>>>
tools/clang/tools/extra/loop-convert/CMakeFiles/loop-convert.dir/LoopConvert.cpp.o:(void
__gnu_cxx::new_allocator<clang::PCHContainerOperations>::construct<clang::PCHContainerOperations>(clang::PCHContainerOperations*))<br>
<br>
/usr/bin/ld.lld-6.0: error: undefined symbol: vtable for
clang::SyntaxOnlyAction<br>
>>> referenced by FrontendActions.h:158
(/home/lu/work/git-repos/llvm-mono/llvm-project/clang/include/clang/Frontend/FrontendActions.h:158)<br>
>>>
tools/clang/tools/extra/loop-convert/CMakeFiles/loop-convert.dir/LoopConvert.cpp.o:(clang::SyntaxOnlyAction::SyntaxOnlyAction())<br>
<br>
/usr/bin/ld.lld-6.0: error: undefined symbol:
clang::FrontendAction::FrontendAction()<br>
>>> referenced by FrontendAction.h:253
(/home/lu/work/git-repos/llvm-mono/llvm-project/clang/include/clang/Frontend/FrontendAction.h:253)<br>
>>>
tools/clang/tools/extra/loop-convert/CMakeFiles/loop-convert.dir/LoopConvert.cpp.o:(clang::ASTFrontendAction::ASTFrontendAction())<br>
<br>
/usr/bin/ld.lld-6.0: error: undefined symbol: vtable for
clang::ASTFrontendAction<br>
>>> referenced by FrontendAction.h:253
(/home/lu/work/git-repos/llvm-mono/llvm-project/clang/include/clang/Frontend/FrontendAction.h:253)<br>
>>>
tools/clang/tools/extra/loop-convert/CMakeFiles/loop-convert.dir/LoopConvert.cpp.o:(clang::ASTFrontendAction::ASTFrontendAction())<br>
clang: error: linker command failed with exit code 1 (use -v
to see invocation)<br>
ninja: build stopped: subcommand failed.</font></tt></p>
<p><tt><font size="+1"><br>
</font></tt></p>
<p><font size="+1">Can anyone point me to the right direction to fix
it?</font></p>
<p><font size="+1">Thanks.<br>
</font></p>
<pre class="m_-2790850193459753337moz-signature" cols="72">--
Love,
Lou
</pre>
</div>
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