Hi! When building guile-2.2.0 on NetBSD, I see:
gmake[2]: Entering directory '/scratch/lang/guile21/work/guile-2.2.0/libguile' date: Expected digit in canonical time date: -d date: ^ Usage: date [-ajnu] [-d date] [-r seconds] [+format] [[[[[[CC]yy]mm]dd]HH]MM[.SS]] GEN libpath.h Thomas