Implement vendor snapshot
Vendor snapshot can be captured with "m dist vendor-snapshot". With
vendor snapshot and vndk snapshot, older version of /vendor and newer
version of /system will be able to be built together by setting
BOARD_VNDK_VERSION to past vendor's version.
Only vendor modules under AOSP are to be captured. In detail, modules
under following directories are ignored:
- cts/
- device/
- external/clang/
- external/llvm/
- hardware/, except for:
- interfaces/, libhardware/, libhardware_legacy/, ril/
- vendor/
Bug: 65377115
Test: m dist vendor-snapshot
Change-Id: Ib5859e409f8ab281ca137cae21e9ea08abd8a0b1
diff --git a/core/tasks/vendor_snapshot.mk b/core/tasks/vendor_snapshot.mk
new file mode 100644
index 0000000..8234e3f
--- /dev/null
+++ b/core/tasks/vendor_snapshot.mk
@@ -0,0 +1,34 @@
+# Copyright (C) 2020 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.
+
+current_makefile := $(lastword $(MAKEFILE_LIST))
+
+# BOARD_VNDK_VERSION must be set to 'current' in order to generate a vendor snapshot.
+ifeq ($(BOARD_VNDK_VERSION),current)
+
+.PHONY: vendor-snapshot
+vendor-snapshot: $(SOONG_VENDOR_SNAPSHOT_ZIP)
+
+$(call dist-for-goals, vendor-snapshot, $(SOONG_VENDOR_SNAPSHOT_ZIP))
+
+else # BOARD_VNDK_VERSION is NOT set to 'current'
+
+.PHONY: vendor-snapshot
+vendor-snapshot: PRIVATE_MAKEFILE := $(current_makefile)
+vendor-snapshot:
+ $(call echo-error,$(PRIVATE_MAKEFILE),\
+ "CANNOT generate Vendor snapshot. BOARD_VNDK_VERSION must be set to 'current'.")
+ exit 1
+
+endif # BOARD_VNDK_VERSION
diff --git a/core/tasks/vndk.mk b/core/tasks/vndk.mk
index dccb5f6..a2973b4 100644
--- a/core/tasks/vndk.mk
+++ b/core/tasks/vndk.mk
@@ -43,8 +43,9 @@
ifneq (,$(error_msg))
.PHONY: vndk
+vndk: PRIVATE_MAKEFILE := $(current_makefile)
vndk:
- $(call echo-error,$(current_makefile),$(error_msg))
+ $(call echo-error,$(PRIVATE_MAKEFILE),$(error_msg))
exit 1
endif