14 duplicated lines in:
  - ports/gmp/portfile.cmake (18:34, 13%)
  - ports/nettle/portfile.cmake (15:31, 11%)

10 duplicated lines in:
  - ports/gmp/portfile.cmake (55:64, 9%)
  - ports/nettle/portfile.cmake (66:76, 8%)

7 duplicated lines in:
  - ports/gmp/portfile.cmake (108:116, 6%)
  - ports/nettle/portfile.cmake (123:131, 5%)