SuiteSparse fails to compile on Windows (Cygwin)

[KristofferC]

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SuiteSparse package compilation options:
----------------------------------------------------------------
...
CUDA library:             CUDART_LIB=      /cygdrive/c/Program Files/NVIDIA GPU Computing Toolkit/CUDA/v10.0/lib64/libcudart.so
CUBLAS library:           CUBLAS_LIB=      /cygdrive/c/Program Files/NVIDIA GPU Computing Toolkit/CUDA/v10.0/lib64/libcublas.so

...

/usr/lib/gcc/x86_64-w64-mingw32/7.4.0/../../../../x86_64-w64-mingw32/bin/ld: cannot find -lamd
/usr/lib/gcc/x86_64-w64-mingw32/7.4.0/../../../../x86_64-w64-mingw32/bin/ld: cannot find -lcolamd
/usr/lib/gcc/x86_64-w64-mingw32/7.4.0/../../../../x86_64-w64-mingw32/bin/ld: cannot find -lbtf
/usr/lib/gcc/x86_64-w64-mingw32/7.4.0/../../../../x86_64-w64-mingw32/bin/ld: cannot find -lsuitesparseconfig
collect2: error: ld returned 1 exit status
make[4]: *** [Makefile:272: /cygdrive/c/Users/Kristoffer/julia/usr/lib/libklu.so.1.3.8] Error 1
make[3]: *** [Makefile:20: library] Error 2
make[2]: *** [Makefile:19: library] Error 2
/usr/lib/gcc/x86_64-w64-mingw32/7.4.0/../../../../x86_64-w64-mingw32/bin/ld: cannot find -lsuitesparseconfig
collect2: error: ld returned 1 exit status
make[4]: *** [Makefile:69: /cygdrive/c/Users/Kristoffer/julia/usr/lib/librbio.so.2.2.6] Error 1
make[3]: *** [Makefile:20: library] Error 2
make[2]: *** [Makefile:19: library] Error 2
x86_64-w64-mingw32-g++: error: Files/NVIDIA: No such file or directory
x86_64-w64-mingw32-g++: error: GPU: No such file or directory
x86_64-w64-mingw32-g++: error: Computing: No such file or directory
x86_64-w64-mingw32-g++: error: Toolkit/CUDA/v10.0/include/: No such file or directory
make[4]: *** [Makefile:231: spqr_rmap.o] Error 1
make[3]: *** [Makefile:20: library] Error 2
make[2]: *** [Makefile:17: library] Error 2
make[1]: *** [/cygdrive/c/Users/Kristoffer/julia/deps/suitesparse.mk:51: scratch/SuiteSparse-5.4.0/build-compiled] Error 2
make: *** [Makefile:57: julia-deps] Error 2

I'm guessing this is from #30991 which bumped the SuiteSparse version (in combination with spaces inside the path to CUDA on Windows.

Using BB for SuiteSparse makes the build go through.