local cxxstd = [ feature.get-values cxxstd : $(properties) ] ;
local cray-cxxstd = ;
- local unsupported-values = 2a ; # I don't know what '2a' means.
+ local unsupported-values = 2a 20 ; # I don't know what '2a' means.
if $(cxxstd) && $(cxxstd) in $(unsupported-values)
{