On 7/15/19 1:39 PM, Markus Armbruster wrote: > Back in 2016, we discussed[1] rules for headers, and these were > generally liked: > > 1. Have a carefully curated header that's included everywhere first. We > got that already thanks to Peter: osdep.h. > > 2. Headers should normally include everything they need beyond osdep.h. > If exceptions are needed for some reason, they must be documented in > the header. If all that's needed from a header is typedefs, put > those into qemu/typedefs.h instead of including the header. > > 3. Cyclic inclusion is forbidden. > > This patch gets include/ closer to obeying 2.
A step forward using precompiled headers? https://gcc.gnu.org/onlinedocs/gcc/Precompiled-Headers.html > > It's actually extracted from my "[RFC] Baby steps towards saner > headers" series[2], which demonstrates a possible path towards > checking 2 automatically. It passes the RFC test there. > > [1] Message-ID: <87h9g8j57d....@blackfin.pond.sub.org> > https://lists.nongnu.org/archive/html/qemu-devel/2016-03/msg03345.html > [2] Message-Id: <20190711122827.18970-1-arm...@redhat.com> > https://lists.nongnu.org/archive/html/qemu-devel/2019-07/msg02715.html > > Signed-off-by: Markus Armbruster <arm...@redhat.com>