I am building the Qt 5.7 with MingW64, I have the following errors:
ar -M < object_script.libQt5PlatformSupport.Release
mingw32-make[4]: Leaving directory 'C:/Qt/Qt57_build/qtbase/src/platformsupport'
ar -M < object_script.libQt5PlatformSupportd.Debug
mingw32-make[4]: Leaving directory 'C:/Qt/Qt57_build/qtbase/src/platformsupport'
mingw32-make[3]: Leaving directory 'C:/Qt/Qt57_build/qtbase/src/platformsupport'
mingw32-make[2]: Leaving directory 'C:/Qt/Qt57_build/qtbase/src'
Makefile:41: recipe for target 'sub-src-make_first' failed
mingw32-make[1]: *** [sub-src-make_first] Error 2
mingw32-make[1]: Leaving directory 'C:/Qt/Qt57_build/qtbase'
Makefile:73: recipe for target 'module-qtbase-make_first' failed
mingw32-make: *** [module-qtbase-make_first] Error 2
Any ideas what could be the reason?