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| author | Ying Wang <wangying@google.com> | 2012-06-12 00:32:52 +0200 |
|---|---|---|
| committer | android code review <noreply-gerritcodereview@google.com> | 2012-06-12 00:32:52 +0200 |
| commit | 6d60667de6b8e6bd8a54fb4031901e2935743308 (patch) | |
| tree | 8771f01bfa0e800809f7403515eabac52dc48832 /updater/Android.mk | |
| parent | Merge "Change the format command to always take the mount point as an argument." (diff) | |
| parent | Use a dependency file to replace the list file. (diff) | |
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Diffstat (limited to 'updater/Android.mk')
| -rw-r--r-- | updater/Android.mk | 24 |
1 files changed, 14 insertions, 10 deletions
diff --git a/updater/Android.mk b/updater/Android.mk index f8ccb76b5..2211113dd 100644 --- a/updater/Android.mk +++ b/updater/Android.mk @@ -50,18 +50,19 @@ LOCAL_C_INCLUDES += $(LOCAL_PATH)/.. inc := $(call intermediates-dir-for,PACKAGING,updater_extensions)/register.inc -# During the first pass of reading the makefiles, we dump the list of -# extension libs to a temp file, then copy that to the ".list" file if -# it is different than the existing .list (if any). The register.inc -# file then uses the .list as a prerequisite, so it is only rebuilt -# (and updater.o recompiled) when the list of extension libs changes. - -junk := $(shell mkdir -p $(dir $(inc));\ - echo $(TARGET_RECOVERY_UPDATER_LIBS) > $(inc).temp;\ - diff -q $(inc).temp $(inc).list 2>/dev/null || cp -f $(inc).temp $(inc).list) +# Encode the value of TARGET_RECOVERY_UPDATER_LIBS into the filename of the dependency. +# So if TARGET_RECOVERY_UPDATER_LIBS is changed, a new dependency file will be generated. +# Note that we have to remove any existing depency files before creating new one, +# so no obsolete dependecy file gets used if you switch back to an old value. +inc_dep_file := $(inc).dep.$(subst $(space),-,$(sort $(TARGET_RECOVERY_UPDATER_LIBS))) +$(inc_dep_file): stem := $(inc).dep +$(inc_dep_file) : + $(hide) mkdir -p $(dir $@) + $(hide) rm -f $(stem).* + $(hide) touch $@ $(inc) : libs := $(TARGET_RECOVERY_UPDATER_LIBS) -$(inc) : $(inc).list +$(inc) : $(inc_dep_file) $(hide) mkdir -p $(dir $@) $(hide) echo "" > $@ $(hide) $(foreach lib,$(libs),echo "extern void Register_$(lib)(void);" >> $@;) @@ -72,6 +73,9 @@ $(inc) : $(inc).list $(call intermediates-dir-for,EXECUTABLES,updater)/updater.o : $(inc) LOCAL_C_INCLUDES += $(dir $(inc)) +inc := +inc_dep_file := + LOCAL_MODULE := updater LOCAL_FORCE_STATIC_EXECUTABLE := true |