On Thursday, May 22, 2003, at 10:51 PM, Long Fei wrote: > I am modifying some gcc source files ... > Can anybody tell me how to "quick rebuild" gcc (i.e. rebuild only > modified > source files) instead of starting from "make bootstrap" everytime ? cd build-tree/gcc make -j2 cc1plus or make -j2 cc1 is not an uncommon way to do this. Takes 15 seconds on my machine.