diff options
| author | Patrick Georgi <pgeorgi@google.com> | 2018-07-04 17:02:24 +0200 |
|---|---|---|
| committer | chrome-bot <chrome-bot@chromium.org> | 2018-07-13 05:09:33 -0700 |
| commit | 72b83f6b6c89da81248d76c25d2f7ba3066b6acf (patch) | |
| tree | a28cae126aef4a73b753c1632ab4a1d1f9349ae3 /Makefile.rules | |
| parent | 63f9c7791e874732526f1f5d0d55ab45173c48b9 (diff) | |
| download | chrome-ec-72b83f6b6c89da81248d76c25d2f7ba3066b6acf.tar.gz | |
Makefile.rules: only update version.h timestamp if it changed
BUG=none
BRANCH=none
TEST=buildall with no change is much faster now (no relinking of
ec.*.elf)
Change-Id: I844b5f6836462efaa98a1d26edcaf8f8a3c47567
Signed-off-by: Patrick Georgi <pgeorgi@google.com>
Reviewed-on: https://chromium-review.googlesource.com/1126316
Commit-Ready: Patrick Georgi <pgeorgi@chromium.org>
Tested-by: Patrick Georgi <pgeorgi@chromium.org>
Reviewed-by: Jett Rink <jettrink@chromium.org>
Diffstat (limited to 'Makefile.rules')
| -rw-r--r-- | Makefile.rules | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/Makefile.rules b/Makefile.rules index 29a1a27b85..cf7abab0c4 100644 --- a/Makefile.rules +++ b/Makefile.rules @@ -84,7 +84,8 @@ cmd_c_to_host = $(HOSTCC) $(HOST_CFLAGS) $(HOST_LDFLAGS) -MMD -MF $@.d -o $@ \ cmd_cxx_to_host = $(HOSTCXX) -std=c++0x $(COMMON_WARN) $(HOST_CXXFLAGS)\ -I ./$($(notdir $@)_ROOT) -o $@ $(filter %.cc,$^) $($(notdir $@)_LIBS) cmd_host_test = ./util/run_host_test $* $(silent) -cmd_version = ./util/getversion.sh > $@ +# generate new version.h, compare if it changed and replace if so +cmd_version = ./util/getversion.sh > $@.tmp && cmp $@.tmp $@ >/dev/null || mv $@.tmp $@; rm -f $@.tmp cmd_vif = $(out)/util/genvif -b $(BOARD) -o $(out) cmd_mv_from_tmp = mv $(out)/$*.bin.tmp $(out)/$*.bin cmd_extractrw-y = dd if=$(out)/$(PROJECT).bin.tmp of=$(out)/$(PROJECT).RW.bin \ |