On 06/04/2018 08:46 AM, Rasmus Villemoes wrote: > In order to build crtstuff.c, I need to ensure the headers in > target/h/wrn/coreip are also searched. Of course, that can be done > similar to how wrn/coreip gets manually added for libgcc, e.g. by adding > > CRTSTUFF_T_CFLAGS += -I$(WIND_BASE)/target/h > -I$(WIND_BASE)/target/h/wrn/coreip > > But without target/h/wrn/coreip in the default search path, all > user-code that include <unistd.h> (crtstuff.c just being one such > example) will have to manually add an -isystem > flag adding the wrn/coreip directory: unistd.h include ioLib.h, which > has > > #include "net/uio.h" > > and that header is found in target/h/wrn/coreip. In other words, the > VxWorks system headers (at least for VxWorks 5.5) are written in a way > that assumes wrn/coreip is in the search path, so I think it makes sense > to have that by default. > > It will change the search order for existing setups that pass > -I.../target/h/wrn/coreip (without -nostdinc), since that flag will now > be ignored. I can't know whether that will break anything, but I do > believe it makes sense to have the defaults actually usable without > expecting all invocations to add -I/-isystem flags. > > 2018-06-04 Rasmus Villemoes <rasmus.villem...@prevas.dk> > > gcc/ > > * config/vxworks.h: Add $(WIND_BASE)/target/h/wrn/coreip to > default search path. I'm going to defer to Olivier on all 6 parts of this kit. He knows vxworks far better than I.
jeff
