This is the output i get, i reinstalled mingw64
D:\opencv\build6>mingw32-make
Consolidate compiler generated dependencies of target libopenjp2
[ 1%] Built target libopenjp2
Consolidate compiler generated dependencies of target ade
[ 2%] Built target ade
[ 2%] Built target opencv_videoio_plugins
Consolidate compiler generated dependencies of target zlib
[ 4%] Built target zlib
Consolidate compiler generated dependencies of target opencv_core
[ 4%] Building CXX object modules/core/CMakeFiles/opencv_core.dir/src/cuda_gpu_mat.cpp.obj
[ 4%] Building CXX object modules/core/CMakeFiles/opencv_core.dir/src/cuda_gpu_mat_nd.cpp.obj
[ 4%] Building CXX object modules/core/CMakeFiles/opencv_core.dir/src/cuda_host_mem.cpp.obj
[ 4%] Building CXX object modules/core/CMakeFiles/opencv_core.dir/src/cuda_info.cpp.obj
[ 4%] Building CXX object modules/core/CMakeFiles/opencv_core.dir/src/cuda_stream.cpp.obj
[ 4%] Building CXX object modules/core/CMakeFiles/opencv_core.dir/src/datastructs.cpp.obj
[ 4%] Building CXX object modules/core/CMakeFiles/opencv_core.dir/src/directx.cpp.obj
[ 4%] Building CXX object modules/core/CMakeFiles/opencv_core.dir/src/downhill_simplex.cpp.obj
[ 4%] Building CXX object modules/core/CMakeFiles/opencv_core.dir/src/dxt.cpp.obj
[ 4%] Building CXX object modules/core/CMakeFiles/opencv_core.dir/src/gl_core_3_1.cpp.obj
[ 4%] Building CXX object modules/core/CMakeFiles/opencv_core.dir/src/glob.cpp.obj
[ 4%] Building CXX object modules/core/CMakeFiles/opencv_core.dir/src/hal_internal.cpp.obj
[ 4%] Building CXX object modules/core/CMakeFiles/opencv_core.dir/src/kmeans.cpp.obj
[ 5%] Building CXX object modules/core/CMakeFiles/opencv_core.dir/src/lapack.cpp.obj
[ 5%] Building CXX object modules/core/CMakeFiles/opencv_core.dir/src/lda.cpp.obj
[ 5%] Building CXX object modules/core/CMakeFiles/opencv_core.dir/src/logger.cpp.obj
[ 5%] Building CXX object modules/core/CMakeFiles/opencv_core.dir/src/lpsolver.cpp.obj
[ 5%] Building CXX object modules/core/CMakeFiles/opencv_core.dir/src/lut.cpp.obj
[ 5%] Building CXX object modules/core/CMakeFiles/opencv_core.dir/src/mathfuncs.cpp.obj
[ 5%] Building CXX object modules/core/CMakeFiles/opencv_core.dir/src/mathfuncs_core.dispatch.cpp.obj
[ 5%] Building CXX object modules/core/CMakeFiles/opencv_core.dir/src/matmul.dispatch.cpp.obj
[ 5%] Building CXX object modules/core/CMakeFiles/opencv_core.dir/src/matrix.cpp.obj
[ 5%] Building CXX object modules/core/CMakeFiles/opencv_core.dir/src/matrix_c.cpp.obj
[ 5%] Building CXX object modules/core/CMakeFiles/opencv_core.dir/src/matrix_decomp.cpp.obj
[ 5%] Building CXX object modules/core/CMakeFiles/opencv_core.dir/src/matrix_expressions.cpp.obj
[ 5%] Building CXX object modules/core/CMakeFiles/opencv_core.dir/src/matrix_iterator.cpp.obj
[ 5%] Building CXX object modules/core/CMakeFiles/opencv_core.dir/src/matrix_operations.cpp.obj
[ 5%] Building CXX object modules/core/CMakeFiles/opencv_core.dir/src/matrix_sparse.cpp.obj
[ 5%] Building CXX object modules/core/CMakeFiles/opencv_core.dir/src/matrix_transform.cpp.obj
[ 6%] Building CXX object modules/core/CMakeFiles/opencv_core.dir/src/matrix_wrap.cpp.obj
[ 6%] Building CXX object modules/core/CMakeFiles/opencv_core.dir/src/mean.dispatch.cpp.obj
[ 6%] Building CXX object modules/core/CMakeFiles/opencv_core.dir/src/merge.dispatch.cpp.obj
[ 6%] Building CXX object modules/core/CMakeFiles/opencv_core.dir/src/minmax.cpp.obj
[ 6%] Building CXX object modules/core/CMakeFiles/opencv_core.dir/src/norm.cpp.obj
[ 6%] Building CXX object modules/core/CMakeFiles/opencv_core.dir/src/ocl.cpp.obj
[ 6%] Building CXX object modules/core/CMakeFiles/opencv_core.dir/src/opencl/runtime/opencl_clamdblas.cpp.obj
[ 6%] Building CXX object modules/core/CMakeFiles/opencv_core.dir/src/opencl/runtime/opencl_clamdfft.cpp.obj
[ 6%] Building CXX object modules/core/CMakeFiles/opencv_core.dir/src/opencl/runtime/opencl_core.cpp.obj
[ 6%] Building CXX object modules/core/CMakeFiles/opencv_core.dir/src/opengl.cpp.obj
[ 6%] Building CXX object modules/core/CMakeFiles/opencv_core.dir/src/out.cpp.obj
[ 6%] Building CXX object modules/core/CMakeFiles/opencv_core.dir/src/ovx.cpp.obj
[ 6%] Building CXX object modules/core/CMakeFiles/opencv_core.dir/src/parallel.cpp.obj
[ 6%] Building CXX object modules/core/CMakeFiles/opencv_core.dir/src/parallel/parallel.cpp.obj
[ 6%] Building CXX object modules/core/CMakeFiles/opencv_core.dir/src/parallel/parallel_openmp.cpp.obj
[ 6%] Building CXX object modules/core/CMakeFiles/opencv_core.dir/src/parallel/parallel_tbb.cpp.obj
[ 7%] Building CXX object modules/core/CMakeFiles/opencv_core.dir/src/parallel_impl.cpp.obj
[ 7%] Building CXX object modules/core/CMakeFiles/opencv_core.dir/src/pca.cpp.obj
[ 7%] Building CXX object modules/core/CMakeFiles/opencv_core.dir/src/persistence.cpp.obj
[ 7%] Building CXX object modules/core/CMakeFiles/opencv_core.dir/src/persistence_json.cpp.obj
[ 7%] Building CXX object modules/core/CMakeFiles/opencv_core.dir/src/persistence_types.cpp.obj
[ 7%] Building CXX object modules/core/CMakeFiles/opencv_core.dir/src/persistence_xml.cpp.obj
[ 7%] Building CXX object modules/core/CMakeFiles/opencv_core.dir/src/persistence_yml.cpp.obj
[ 7%] Building CXX object modules/core/CMakeFiles/opencv_core.dir/src/rand.cpp.obj
[ 7%] Building CXX object modules/core/CMakeFiles/opencv_core.dir/src/softfloat.cpp.obj
[ 7%] Building CXX object modules/core/CMakeFiles/opencv_core.dir/src/split.dispatch.cpp.obj
[ 7%] Building CXX object modules/core/CMakeFiles/opencv_core.dir/src/stat.dispatch.cpp.obj
[ 7%] Building CXX object modules/core/CMakeFiles/opencv_core.dir/src/stat_c.cpp.obj
[ 7%] Building CXX object modules/core/CMakeFiles/opencv_core.dir/src/stl.cpp.obj
[ 7%] Building CXX object modules/core/CMakeFiles/opencv_core.dir/src/sum.dispatch.cpp.obj
[ 7%] Building CXX object modules/core/CMakeFiles/opencv_core.dir/src/system.cpp.obj
[ 7%] Building CXX object modules/core/CMakeFiles/opencv_core.dir/src/tables.cpp.obj
[ 8%] Building CXX object modules/core/CMakeFiles/opencv_core.dir/src/trace.cpp.obj
[ 8%] Building CXX object modules/core/CMakeFiles/opencv_core.dir/src/types.cpp.obj
[ 8%] Building CXX object modules/core/CMakeFiles/opencv_core.dir/src/umatrix.cpp.obj
[ 8%] Building CXX object modules/core/CMakeFiles/opencv_core.dir/src/utils/datafile.cpp.obj
[ 8%] Building CXX object modules/core/CMakeFiles/opencv_core.dir/src/utils/filesystem.cpp.obj
[ 8%] Building CXX object modules/core/CMakeFiles/opencv_core.dir/src/utils/logtagconfigparser.cpp.obj
[ 8%] Building CXX object modules/core/CMakeFiles/opencv_core.dir/src/utils/logtagmanager.cpp.obj
[ 8%] Building CXX object modules/core/CMakeFiles/opencv_core.dir/src/utils/samples.cpp.obj
[ 8%] Building CXX object modules/core/CMakeFiles/opencv_core.dir/src/va_intel.cpp.obj
[ 8%] Building CXX object modules/core/CMakeFiles/opencv_core.dir/opencl_kernels_core.cpp.obj
[ 8%] Building CXX object modules/core/CMakeFiles/opencv_core.dir/arithm.sse4_1.cpp.obj
[ 8%] Building CXX object modules/core/CMakeFiles/opencv_core.dir/matmul.sse4_1.cpp.obj
[ 8%] Building CXX object modules/core/CMakeFiles/opencv_core.dir/stat.sse4_2.cpp.obj
[ 8%] Building CXX object modules/core/CMakeFiles/opencv_core.dir/mathfuncs_core.avx.cpp.obj
[ 8%] Building CXX object modules/core/CMakeFiles/opencv_core.dir/mathfuncs_core.avx2.cpp.obj
[ 8%] Building CXX object modules/core/CMakeFiles/opencv_core.dir/stat.avx2.cpp.obj
[ 9%] Building CXX object modules/core/CMakeFiles/opencv_core.dir/arithm.avx2.cpp.obj
[ 9%] Building CXX object modules/core/CMakeFiles/opencv_core.dir/convert.avx2.cpp.obj
[ 9%] Building CXX object modules/core/CMakeFiles/opencv_core.dir/convert_scale.avx2.cpp.obj
[ 9%] Building CXX object modules/core/CMakeFiles/opencv_core.dir/count_non_zero.avx2.cpp.obj
[ 9%] Building CXX object modules/core/CMakeFiles/opencv_core.dir/matmul.avx2.cpp.obj
[ 9%] Building CXX object modules/core/CMakeFiles/opencv_core.dir/mean.avx2.cpp.obj
[ 9%] Building CXX object modules/core/CMakeFiles/opencv_core.dir/merge.avx2.cpp.obj
[ 9%] Building CXX object modules/core/CMakeFiles/opencv_core.dir/split.avx2.cpp.obj
[ 9%] Building CXX object modules/core/CMakeFiles/opencv_core.dir/sum.avx2.cpp.obj
[ 9%] Building RC object modules/core/CMakeFiles/opencv_core.dir/vs_version.rc.obj
gcc: error: (1)\opencv-master\modules\core\include: No such file or directory
gcc: error: (1)\opencv-master\3rdparty\zlib: No such file or directory
gcc: error: (1)\opencv-master\3rdparty\include\opencl\1.2: No such file or directory
D:\mingw64\mingw64\bin\windres.exe: preprocessing failed.
mingw32-make[2]: *** [modules\core\CMakeFiles\opencv_core.dir\build.make:1661: modules/core/CMakeFiles/opencv_core.dir/vs_version.rc.obj] Error 1
mingw32-make[1]: *** [CMakeFiles\Makefile2:1776: modules/core/CMakeFiles/opencv_core.dir/all] Error 2
mingw32-make: *** [Makefile:165: all] Error 2