Error report of QT construction engineering makefile error 1


The project can be built and run normally. After modifying the project, the error makefile error 1 will be re built, and the shadow build has been canceled.


Multi version vs and QT are installed in win7 system

VS2010VS2015QT 5.5.1QT 5.7.1


Make a copy of the project, build the copy successfully and run normally.
PS: no specific cause was found. It is suspected that multiple versions of the same software are installed in the same system.

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