Confusing variable in auto generated Makefile by qmake

Question

I recently started to take over a QT4.8 project for embedded Linux. After using qmake and .pro file to generate Makefiles in the project, it could not build properly.

The Makefile.Debug snippet causing problem is as following:

{..\GriduiWin}.cpp{debug\}.obj::
    $(CXX) -c $(CXXFLAGS) $(INCPATH) -Fodebug\ @<<
    $<
<<

For << in the end, make is complaining for the missing tab at the beginning.

For @<< at the end of the second line, I couldn't figure out what is the issue here. The error message is << was unexpected at this time.

What does @<< mean in Makefile? Is this specific from qmake generated files? Or is this a reasonable syntax? How could I deal with this error? Thanks for help.

Answer 1

This generated Makefile turns out to be for nmake instead. Errors no longer shows when compiling with Microsoft Visual Studio command line tools. Thanks to MadScientist for the hint.