Hello, Cristian. Not only the MinGW 12.2.0 choco package have the 106395 – [12 regression] > [mingw] "redeclared without dllimport attribute: previous dllimport > ignored" on C++ friend since r12-299-ga0fdff3cf33f72 (gnu.org) > <https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106395> bug, but it can't > actually configure Qt.
Do you mean that I should downgrade the MinGW from *12.2.0* to *11.2.0*? If so, how about install mingw 11.2.0 using choco? - *choco install mingw --version=11.2.0* - *choco install mingw --version=11.2.0.07112021 * Link: https://community.chocolatey.org/packages/mingw/11.2.0 Link: https://community.chocolatey.org/packages/mingw/11.2.0.07112021 --- Haowei Hsu
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