Error while building libraw in QT

I downloaded libraw source files and tried to build using QT. But I am receiving the below error

:-1: warning: /MP: linker input file unused because linking not done
:-1: error: error: /MP: linker input file not found: No such file or directory

AttachmentSize
Image icon libraw_build error.png165.61 KB

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Try to remove

Try to remove
QMAKE_CXXFLAGS+=/MP
(Visual Studio specific flag)
from buildfiles/libraw-common-lib.pro

-- Alex Tutubalin @LibRaw LLC