Hi Hans, On Tue, Jun 19, 2012 at 3:34 AM, Hans Verkuil <hverkuil@xxxxxxxxx> wrote: > Hi all, > > Yesterday I upgraded the gcc version I use to compile the daily build to > 4.7.1. > > This causes very strange errors when compiling 2.6.39 - 3.3: > > FATAL: media_build/v4l/tuner: sizeof(struct i2c_device_id)=32 is not a > modulo of the size of section __mod_i2c_device_table=18. > Fix definition of struct i2c_device_id in mod_devicetable.h > > This error does not appear when compiling with gcc 4.6.3, and I see > absolutely nothing > wrong with mod_devicetable.h. > > I tried very hard to figure out what is going on and why older and newer > kernels > are not affected, but I still have no idea. > > The error itself it reported by scripts/mod/file2alias.c. I can suppress > that error > but that will just lead to a modpost crash later in the compile process. > > The tuner.o file always causes this. Commenting tuner.o in the Makefile will > cause > the same problems in other modules (cafe_ccic), but there are also i2c > modules that > compile just fine. > > Does anyone have an insight into this? Did something magical change in > kernel 3.4 > that fixed this? > Perhaps this thread could be useful: https://lkml.org/lkml/2012/6/15/323 Hope it helps, Ezequiel. -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
