On 4/25/2023 5:18 PM, Arne Vajhøj wrote: > #include "liba/include/a.h" > #include "libb/include/b.h" > $ define/nolog liba [.liba] > $ define/nolog libb [.libb] Make that: #include "libadir/include/a.h" #include "libbdir/include/b.h" $ define/nolog libadir [.liba] $ define/nolog libbdir [.libb] because otherwise it would work without logicals. Arne