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| author | Blue Swirl | 2010-10-02 16:28:12 +0200 |
|---|---|---|
| committer | Blue Swirl | 2010-10-02 16:28:12 +0200 |
| commit | a82cdd58fd9ffa8c651f51de8d855f6baf708681 (patch) | |
| tree | c07111dd003a2875da57d33246d350223868ac38 /linux-user | |
| parent | Makefile: fix config-devices.mak generation (diff) | |
| download | qemu-a82cdd58fd9ffa8c651f51de8d855f6baf708681.tar.gz qemu-a82cdd58fd9ffa8c651f51de8d855f6baf708681.tar.xz qemu-a82cdd58fd9ffa8c651f51de8d855f6baf708681.zip | |
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>
Diffstat (limited to 'linux-user')
0 files changed, 0 insertions, 0 deletions