netcdf's tarball came with full configure/autotool files and so skip #316

Job	Run time
ucvm-build-cvmh-taper (3.7)	27m 44s
ucvm-build-cvms-cvmh (3.7)	28m 12s
ucvm-build-albacore-cvlsu-ivlsu-wfcvm (3.7)	27m 4s
	1h 23m 0s

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