| commit | a82cdd58fd9ffa8c651f51de8d855f6baf708681 | |
| author | Blue Swirl <blauwirbel@gmail.com> | |
| Sat, 2 Oct 2010 14:28:12 +0000 (2 14:28 +0000) | ||
| committer | Blue Swirl <blauwirbel@gmail.com> | |
| Sat, 2 Oct 2010 14:28:12 +0000 (2 14:28 +0000) | ||
| tree | c07111dd003a2875da57d33246d350223868ac38 | treesnapshot (tar.gz zip) |
| parent | 904fe1fbd10388f384c9930fa2d8a25113b7e7aa | commitdiff |
trace: avoid unnecessary recompilation if nothing changed
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.
Based on suggestion by Paolo Bonzini.
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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.
Based on suggestion by Paolo Bonzini.
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
| Makefile | diffblobblamehistory |