Re: [Qemu-devel] [PATCH 2/2] trace: avoid unnecessary recompilation if nothing changed

2010-09-28 Thread Markus Armbruster
Markus Armbruster writes: > Blue Swirl writes: > >> Add logic to detect changes in generated files. If the old >> and new files are identical, don't touch the generated file. >> This avoids a lot of churn since many files depend on trace.h. >> >> Signed-off-by: Blue Swirl >> --- >> Makefile |

Re: [Qemu-devel] [PATCH 2/2] trace: avoid unnecessary recompilation if nothing changed

2010-09-27 Thread Markus Armbruster
Blue Swirl writes: > Add logic to detect changes in generated files. If the old > and new files are identical, don't touch the generated file. > This avoids a lot of churn since many files depend on trace.h. > > Signed-off-by: Blue Swirl > --- > Makefile | 18 -- > 1 files cha

Re: [Qemu-devel] [PATCH 2/2] trace: avoid unnecessary recompilation if nothing changed

2010-09-26 Thread Stefan Hajnoczi
On Sun, Sep 26, 2010 at 10:05 AM, Blue Swirl wrote: > Add logic to detect changes in generated files. If the old > and new files are identical, don't touch the generated file. > This avoids a lot of churn since many files depend on trace.h. > > Signed-off-by: Blue Swirl > --- >  Makefile |   18 +

[Qemu-devel] [PATCH 2/2] trace: avoid unnecessary recompilation if nothing changed

2010-09-26 Thread Blue Swirl
Add logic to detect changes in generated files. If the old and new files are identical, don't touch the generated file. This avoids a lot of churn since many files depend on trace.h. Signed-off-by: Blue Swirl --- Makefile | 18 -- 1 files changed, 16 insertions(+), 2 deletions(