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Message #158942
[Bug 1501300] Re: [SRU] Wily (15.10) this package got not compiled with __cxx11 support
Hello Matthias, or anyone else affected,
Accepted llvm-toolchain-3.4 into wily-proposed. The package will build
now and be available at https://launchpad.net/ubuntu/+source/llvm-
toolchain-3.4/1:3.4.2-13ubuntu2.1 in a few hours, and then in the
-proposed repository.
Please help us by testing this new package. See
https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to
enable and use -proposed. Your feedback will aid us getting this update
out to other Ubuntu users.
If this package fixes the bug for you, please add a comment to this bug,
mentioning the version of the package you tested, and change the tag
from verification-needed to verification-done. If it does not fix the
bug for you, please add a comment stating that, and change the tag to
verification-failed. In either case, details of your testing will help
us make a better decision.
Further information regarding the verification process can be found at
https://wiki.ubuntu.com/QATeam/PerformingSRUVerification . Thank you in
advance!
** Changed in: llvm-toolchain-3.4 (Ubuntu)
Status: In Progress => Invalid
** Changed in: llvm-toolchain-3.4 (Ubuntu Wily)
Status: New => Fix Committed
** Tags added: verification-needed
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https://bugs.launchpad.net/bugs/1501300
Title:
[SRU] Wily (15.10) this package got not compiled with __cxx11 support
Status in llvm-toolchain-3.4 package in Ubuntu:
Invalid
Status in llvm-toolchain-3.4 source package in Wily:
Fix Committed
Bug description:
[Impact]
* with gcc-5 default, and llvm-3.4 built with the gcc-4.9, people
can't link programs using cxx11 support
[Test Case]
* compile a program using cxx11 e.g. using boost libraries
[Regression Potential]
* llvm-3.4 is a compiler, and the change should affect only cxx11
support (since the library is ABI compatible).
So, fixing cxx11 support shouln't have any regression, only the
feature will start working, while it wasn't before
[Other Info]
* Doko ack'd the SRU, and it should be the best voice here, for sure better than mine :)
This packages does not contain any __cxx11 symbols when installed. This causes the problem that user-space applications cannot link successfully to it.
Recompile the (untouched) dpkg source package on the same machine and installing it solved the problem.
There seems something in the package generation broken.
Steps to reproduce try to compile the attached minimal example
https://github.com/goldhoorn/clang-sandbox
Errors:
CMakeFiles/main.dir/main.cpp.o: In function `foo()':
/tmp/clang-sandbox/main.cpp:25: undefined reference to `clang::NamedDecl::getQualifiedNameAsString[abi:cxx11]() const'
CMakeFiles/main.dir/main.cpp.o: In function `clang::QualType::getAsString[abi:cxx11](clang::SplitQualType)':
/usr/lib/llvm-3.4/include/clang/AST/Type.h:868: undefined reference to `clang::QualType::getAsString[abi:cxx11](clang::Type const*, clang::Qualifiers)'
CMakeFiles/main.dir/main.cpp.o: In function `clang::ast_matchers::internal::matcher_matchesName0Matcher::matches(clang::NamedDecl const&, clang::ast_matchers::internal::ASTMatchFinder*, clang::ast_matchers::internal::BoundNodesTreeBuilder*) const':
/usr/lib/llvm-3.4/include/clang/ASTMatchers/ASTMatchers.h:1439: undefined reference to `clang::NamedDecl::getQualifiedNameAsString[abi:cxx11]() const'
CMakeFiles/main.dir/main.cpp.o: In function `clang::ast_matchers::internal::matcher_hasName0Matcher::matches(clang::NamedDecl const&, clang::ast_matchers::internal::ASTMatchFinder*, clang::ast_matchers::internal::BoundNodesTreeBuilder*) const':
/usr/lib/llvm-3.4/include/clang/ASTMatchers/ASTMatchers.h:1411: undefined reference to `clang::NamedDecl::getQualifiedNameAsString[abi:cxx11]() const'
/usr/lib/llvm-3.4/lib/libclangAST.a(ExprConstant.o): In function `handleIntIntBinOp((anonymous namespace)::EvalInfo&, clang::Expr const*, llvm::APSInt const&, clang::BinaryOperatorKind, llvm::APSInt, llvm::APSInt&)':
(.text+0x6a35): undefined reference to `llvm::APInt::toString(unsigned int, bool) const'
/usr/lib/llvm-3.4/lib/libclangAST.a(StmtPrinter.o): In function `(anonymous namespace)::StmtPrinter::VisitIntegerLiteral(clang::IntegerLiteral*) [clone .isra.302]':
...
This example is workign on privious ubuntus and debians
Sysinfo:
Description: Ubuntu Wily Werewolf (development branch)
Release: 15.10
In a VirtualBox
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References