Details
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Bug
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Resolution: Done
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P3: Somewhat important
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5.8.0 Alpha
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None
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Ubuntu 16.04 x86_64
Description
When building Qt WebEngine with a Qt build with -platform linux-clang
Qt5WebEngineCore.so fails to link with error:
/usr/bin/../lib/gcc/x86_64-linux-gnu/5.3.1/../../../../include/c++/5.3.1/bits/atomic_base.h:362: error: undefined reference to '__atomic_is_lock_free' /usr/bin/../lib/gcc/x86_64-linux-gnu/5.3.1/../../../../include/c++/5.3.1/bits/atomic_base.h:354: error: undefined reference to '__atomic_is_lock_free' clang: error: linker command failed with exit code 1 (use -v to see invocation) Makefile.core_module:161: recipe for target '/home/nezticle/Code/build/qt5-5.8-nogl/qtbase/lib/libQt5WebEngineCore.so.5.8.0' failed
This seems to be because of a missing -latomic , which appears to be assumed when building with clang. However when building with clang without libc++, you still need to use -latomic.