f77: -Xlist-vn - Set level of checking strictness

n is 1,2, 3, or 4. The default is 2 (-Xlistv2):

• -Xlistv1

  Shows the cross-checked information of all names in summary form only, with no line numbers. This is the lowest level of checking strictness--syntax errors only.

• -Xlistv2

  Shows cross-checked information with summaries and line numbers. This is the default level of checking strictness and includes argument inconsistency errors and variable usage errors.

• -Xlistv3

  Shows cross-checking with summaries, line numbers, and common block maps. This is a high level of checking strictness and includes errors caused by incorrect usage of data types in common blocks in different subprograms.

• -Xlistv4

  Shows cross-checking with summaries, line numbers, common block maps, and equivalence block maps. This is the strictest level of checking with maximum error detection.