DO NOT MERGE: Enable mainline prebuilts for device targets
Ignore-AOSP-First: Android Mainline prebuilts are not used for AOSP targets
Bug: 286892268
Change-Id: I6f89f47a8e545e563b184cdc9395eddd49950228
Test: pre-submit
diff --git a/core/android_soong_config_vars.mk b/core/android_soong_config_vars.mk
index b5f7b22..140acf0 100644
--- a/core/android_soong_config_vars.mk
+++ b/core/android_soong_config_vars.mk
@@ -40,7 +40,7 @@
# Default behavior for the tree wrt building modules or using prebuilts. This
# can always be overridden by setting the environment variable
# MODULE_BUILD_FROM_SOURCE.
-BRANCH_DEFAULT_MODULE_BUILD_FROM_SOURCE := true
+BRANCH_DEFAULT_MODULE_BUILD_FROM_SOURCE := false
ifneq ($(SANITIZE_TARGET)$(EMMA_INSTRUMENT_FRAMEWORK),)
# Always use sources when building the framework with Java coverage or
@@ -49,6 +49,18 @@
BRANCH_DEFAULT_MODULE_BUILD_FROM_SOURCE := true
endif
+ifneq ($(CLANG_COVERAGE)$(NATIVE_COVERAGE_PATHS),)
+ # Always use sources when building with clang coverage and native coverage.
+ # It is possible that there are certain situations when building with coverage
+ # would work with prebuilts, e.g. when the coverage is not being applied to
+ # modules for which we provide prebuilts. Unfortunately, determining that
+ # would require embedding knowledge of which coverage paths affect which
+ # modules here. That would duplicate a lot of information, add yet another
+ # location module authors have to update and complicate the logic here.
+ # For nowe we will just always build from sources when doing coverage builds.
+ BRANCH_DEFAULT_MODULE_BUILD_FROM_SOURCE := true
+endif
+
# ART does not provide linux_bionic variants needed for products that
# set HOST_CROSS_OS=linux_bionic.
ifeq (linux_bionic,${HOST_CROSS_OS})
