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Add Soong variable for optimizing SystemUI Java

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Introduce a Soong variable to allow selective enabling of Java
optimizations for SystemUI. This is analogous to the
`SYSTEM_OPTIMIZE_JAVA` flag, but scoped just to SystemUI,
decoupling the feature from system server-related development.

Opting in to optimizations can be achieved with either:
  * Env:
export SYSTEMUI_OPTIMIZE_JAVA=true
  * Make:
$(call add_soong_config_var_value,ANDROID,SYSTEMUI_OPTIMIZE_JAVA,true)

Note that the build rule changes to hook into this variable will
land separately.

Bug: 203088572
Test: `SYSTEMUI_OPTIMIZE_JAVA=true m` (observe env variable change log)
Change-Id: I24b4b76cdf844e3c00735e19e69898867162c81d
This commit is contained in:
Jared Duke
2021-12-22 12:35:59 -08:00
parent 90b0039a9d
commit 9c261d0b07
1 changed files with 3 additions and 0 deletions
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3
core/android_soong_config_vars.mk
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@@ -100,6 +100,9 @@ ifeq (true,$(MODULE_BUILD_FROM_SOURCE))
$(call add_soong_config_var_value,ANDROID,module_build_from_source,true)
endif
# TODO(b/203088572): Remove when Java optimizations enabled by default for
# SystemUI.
$(call add_soong_config_var,ANDROID,SYSTEMUI_OPTIMIZE_JAVA)
# TODO(b/196084106): Remove when Java optimizations enabled by default for
# system packages.
$(call add_soong_config_var,ANDROID,SYSTEM_OPTIMIZE_JAVA)