Add RBE mk file to support bootstrapping RBE and setting relevant
environment variables.
Test: Built aosp_arm-user with and without USE_RBE. With USE_RBE,
used a simple proxy script in place of rewrapper.
Change-Id: Ifb6bfd9f7292346f4750a6a409aa0def4e3c0363
diff --git a/core/config.mk b/core/config.mk
index 5016ff2..5ec0566 100644
--- a/core/config.mk
+++ b/core/config.mk
@@ -312,6 +312,7 @@
ifeq ($(CALLED_FROM_SETUP),true)
include $(BUILD_SYSTEM)/ccache.mk
include $(BUILD_SYSTEM)/goma.mk
+include $(BUILD_SYSTEM)/rbe.mk
endif
ifdef TARGET_PREFER_32_BIT
diff --git a/core/rbe.mk b/core/rbe.mk
new file mode 100644
index 0000000..766b121
--- /dev/null
+++ b/core/rbe.mk
@@ -0,0 +1,32 @@
+#
+# Copyright (C) 2019 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+# Notice: this works only with Google's RBE service.
+ifneq ($(filter-out false,$(USE_RBE)),)
+ ifdef RBE_DIR
+ rbe_dir := $(RBE_DIR)
+ else
+ rbe_dir := $(HOME)/rbe
+ endif
+ RBE_WRAPPER := $(rbe_dir)/rewrapper
+
+ # Append rewrapper to existing *_WRAPPER variables so it's possible to
+ # use both ccache and rewrapper.
+ CC_WRAPPER := $(strip $(CC_WRAPPER) $(RBE_WRAPPER))
+ CXX_WRAPPER := $(strip $(CXX_WRAPPER) $(RBE_WRAPPER))
+
+ rbe_dir :=
+endif
diff --git a/core/soong_config.mk b/core/soong_config.mk
index 57ab331..eae66c5 100644
--- a/core/soong_config.mk
+++ b/core/soong_config.mk
@@ -152,6 +152,7 @@
$(call add_json_bool, MinimizeJavaDebugInfo, $(filter true,$(PRODUCT_MINIMIZE_JAVA_DEBUG_INFO)))
$(call add_json_bool, UseGoma, $(filter-out false,$(USE_GOMA)))
+$(call add_json_bool, UseRBE, $(filter-out false,$(USE_RBE)))
$(call add_json_bool, Arc, $(filter true,$(TARGET_ARC)))
$(call add_json_list, NamespacesToExport, $(PRODUCT_SOONG_NAMESPACES))