makefile skip FFTW-related test(s) if FFT=DUCC; would have been caugh… #386

Job	Run time
prepare	2s
Build with Pip (ubuntu-22.04, 3.8, llvm, -march=native)	1m 6s
Build with Pip (ubuntu-22.04, 3.8, llvm, -march=x86-64)	1m 4s
Build with Pip (ubuntu-22.04, 3.8, gcc, -march=native)	45s
Build with Pip (ubuntu-22.04, 3.8, gcc, -march=x86-64)	46s
Build with Pip (ubuntu-22.04, 3.11, llvm, -march=native)	1m 9s
Build with Pip (ubuntu-22.04, 3.11, llvm, -march=x86-64)	1m 1s
Build with Pip (ubuntu-22.04, 3.11, gcc, -march=native)	52s
Build with Pip (ubuntu-22.04, 3.11, gcc, -march=x86-64)	49s
Build with Pip (windows-2022, 3.8, msvc, /arch:AVX2)	11m 43s
Build with Pip (windows-2022, 3.8, msvc, /arch:SSE2)	11m 43s
Build with Pip (windows-2022, 3.8, llvm, /arch:AVX2)	12m 2s
Build with Pip (windows-2022, 3.8, llvm, /arch:SSE2)	12m 49s
Build with Pip (windows-2022, 3.11, msvc, /arch:AVX2)	12m 46s
Build with Pip (windows-2022, 3.11, msvc, /arch:SSE2)	11m 42s
Build with Pip (windows-2022, 3.11, llvm, /arch:AVX2)	12m 27s
Build with Pip (windows-2022, 3.11, llvm, /arch:SSE2)	11m 37s
Build with Pip (macos-13, 3.8, llvm, -march=native)	3m 38s
Build with Pip (macos-13, 3.8, llvm, -march=x86-64)	2m 32s
Build with Pip (macos-13, 3.8, gcc-14, -march=native)	1m 49s
Build with Pip (macos-13, 3.8, gcc-14, -march=x86-64)	1m 47s
Build with Pip (macos-13, 3.11, llvm, -march=native)	2m 40s
Build with Pip (macos-13, 3.11, llvm, -march=x86-64)	4m 42s
Build with Pip (macos-13, 3.11, gcc-14, -march=native)	2m 10s
Build with Pip (macos-13, 3.11, gcc-14, -march=x86-64)	1m 48s
	2h 5m 29s

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