Hello, It occurs that ghc-5.00 --make spends the memory in a particular way. Making my project via Makefile (envoking ghc driver many times) succeeds within -M29m. While ghc --make ... -Mxxx Mk.hs needs more than 50Mb, probably, because it keeps much intermediate information between compiling the modules. Still I managed to `make' it with -M29m by issueing the latter command two times more, after the insufficient-heap break. ghc --make still looks faster and better to arrange. Each time it compiles only remainging modules. Maybe, something can be done to avoid these heap-exhausted breaks? For, seeing that some modules remain to compile and heap is exhausted, ghc can save the intermediate information to disk giving the room for the next module compilation. Also it can restart the driver itself - with appropriate message - ? ----------------- Serge Mechveliani mechvel@botik.ru