Memory error, Qwt compile on windows 10

Hello,

I tried to compile Qwt-6.1.3 with Qt-5.8/Mingw-5.3.0 on a Windows 10 64bit system. Unfortunately, the compile failed with lot of Out-of-memory errors like "cc1plus out of memory allocating". The system had enough memory (8GB). Is there any workaround?

Thanks

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Added after 1 40 minutes:

I was compiling using the '-j' flag which was borking it. Without the multi-cpu option, it compiled fine.