On 2008-04-22 at 20:10:02 [+0200], Duane Ryan <bailey.d.r@xxxxxxxxx> wrote: > Yes, but the ObjectCc/C++Flags is *limited* to single object files, You can pass multiple files at once to those. So the writing overhead is very small, if you use a variable for you source files: local sources = ... ; ObjectCcFlags $(sources) : ... ; Application app1 : $(sources) : ... ; > and the > jam build system is used explicitly to avoid using things such as CCFLAGS. If you ask me, using CCFLAGS in Haiku's build system is just fine (one of the advantages of the config variables concept). In other jam-based build systems setting those variables might cause problems, though. CU, Ingo