Add support for TARGET_BOARD_INFO_FILES
This makes it so that portions of android-info.txt can come from
different sources.
Bug: b/301141632
Test: manual
Change-Id: I82793b37162f52805db425b802a2e0762526bd91
diff --git a/target/board/Android.mk b/target/board/Android.mk
index 21c0c10..decc345 100644
--- a/target/board/Android.mk
+++ b/target/board/Android.mk
@@ -10,15 +10,29 @@
# device we're building for. This file is typically packaged up
# with everything else.
#
-# If TARGET_BOARD_INFO_FILE (which can be set in BoardConfig.mk) is
-# defined, it is used, otherwise board-info.txt is looked for in
-# $(TARGET_DEVICE_DIR).
+# The following logic is used to find the contents of the info file:
+# 1. TARGET_BOARD_INFO_FILES (can be set in BoardConfig.mk) will be combined.
+# 2. TARGET_BOARD_INFO_FILE (can be set in BoardConfig.mk) will be used.
+# 3. $(TARGET_DEVICE_DIR)/board-info.txt will be used if present.
+#
+# Specifying both TARGET_BOARD_INFO_FILES and TARGET_BOARD_INFO_FILE is an
+# error.
#
INSTALLED_ANDROID_INFO_TXT_TARGET := $(PRODUCT_OUT)/android-info.txt
-board_info_txt := $(TARGET_BOARD_INFO_FILE)
-ifndef board_info_txt
-board_info_txt := $(wildcard $(TARGET_DEVICE_DIR)/board-info.txt)
+ifdef TARGET_BOARD_INFO_FILES
+ ifdef TARGET_BOARD_INFO_FILE
+ $(warning Both TARGET_BOARD_INFO_FILES and TARGET_BOARD_INFO_FILE are defined.)
+ $(warning Using $(TARGET_BOARD_INFO_FILES) rather than $(TARGET_BOARD_INFO_FILE) for android-info.txt)
+ endif
+ board_info_txt := $(call intermediates-dir-for,PACKAGING,board-info)/board-info.txt
+$(board_info_txt): $(TARGET_BOARD_INFO_FILES)
+ $(hide) cat $(TARGET_BOARD_INFO_FILES) > $@
+else ifdef TARGET_BOARD_INFO_FILE
+ board_info_txt := $(TARGET_BOARD_INFO_FILE)
+else
+ board_info_txt := $(wildcard $(TARGET_DEVICE_DIR)/board-info.txt)
endif
+
CHECK_RADIO_VERSIONS := $(HOST_OUT_EXECUTABLES)/check_radio_versions$(HOST_EXECUTABLE_SUFFIX)
$(INSTALLED_ANDROID_INFO_TXT_TARGET): $(board_info_txt) $(CHECK_RADIO_VERSIONS)
$(hide) $(CHECK_RADIO_VERSIONS) \