This error occurs if object files / libraries being linked are compiled with different versions of mingw. Mingw-builds x86_64-11.2.0-release-posix-seh-rt_v9-rev1Ĭommon problems Link error 'Undefined reference to _Unwind_Resume' Mingw-builds x32-4.8.0-release-posix-dwarf-rev2 Mingw-builds x32-4.7.2-release-posix-sjlj-rev8 The binary packages were compiled gcc 4.4 toolchain that is unfortunately not officially provided anymore. Toolchains used in Qt binary packages Qt Version For Qt 5, a newer MinGW-w64 toolchain is actually required. Newer Qt 4.8 binary packages ship with a mingw-w64 based toolchain. Up to Qt 4.8.6, Qt 4 ones are built with a toolchain using gcc 4.4. There are binary installers targetting MinGW for both Qt 4 and Qt 5. The MinGW-w64 project does host several different binary packages, done by different people. By now it also supports a much larger part of the Win32 API.
MINGW W64 INSTALL 64 BIT
MinGW-w64 is a fork with the original aim to also support generation of 64 bit binaries. There are actually different MinGW toolchains and packages available:
3.1 Link error 'Undefined reference to _Unwind_Resume'.
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