/usr/lib/gcc/x86_64-w64-mingw32/4.8/include/ is in gcc-mingw-w64-x86-64 4.8.2-10ubuntu2+12.
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/usr/lib/gcc/x86_64-w64-mingw32/4.8/include-fixed/README
/usr/lib/gcc/x86_64-w64-mingw32/4.8/include-fixed/limits.h
/usr/lib/gcc/x86_64-w64-mingw32/4.8/include-fixed/syslimits.h
/usr/lib/gcc/x86_64-w64-mingw32/4.8/include/adxintrin.h
/usr/lib/gcc/x86_64-w64-mingw32/4.8/include/ammintrin.h
/usr/lib/gcc/x86_64-w64-mingw32/4.8/include/avx2intrin.h
/usr/lib/gcc/x86_64-w64-mingw32/4.8/include/avxintrin.h
/usr/lib/gcc/x86_64-w64-mingw32/4.8/include/bmi2intrin.h
/usr/lib/gcc/x86_64-w64-mingw32/4.8/include/bmiintrin.h
/usr/lib/gcc/x86_64-w64-mingw32/4.8/include/bmmintrin.h
/usr/lib/gcc/x86_64-w64-mingw32/4.8/include/cpuid.h
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/usr/lib/gcc/x86_64-w64-mingw32/4.8/include/emmintrin.h
/usr/lib/gcc/x86_64-w64-mingw32/4.8/include/f16cintrin.h
/usr/lib/gcc/x86_64-w64-mingw32/4.8/include/float.h
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/usr/lib/gcc/x86_64-w64-mingw32/4.8/include/mm3dnow.h
/usr/lib/gcc/x86_64-w64-mingw32/4.8/include/mm_malloc.h
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/usr/lib/gcc/x86_64-w64-mingw32/4.8/include/omp.h
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