1# Copyright 2009 The Android Open Source Project
2
3LOCAL_PATH := $(call my-dir)
4
5updater_src_files := \
6	install.c \
7	blockimg.c \
8	updater.c
9
10#
11# Build a statically-linked binary to include in OTA packages
12#
13include $(CLEAR_VARS)
14
15# Build only in eng, so we don't end up with a copy of this in /system
16# on user builds.  (TODO: find a better way to build device binaries
17# needed only for OTA packages.)
18LOCAL_MODULE_TAGS := eng
19
20LOCAL_SRC_FILES := $(updater_src_files)
21
22ifeq ($(TARGET_USERIMAGES_USE_EXT4), true)
23LOCAL_CFLAGS += -DUSE_EXT4
24LOCAL_CFLAGS += -Wno-unused-parameter
25LOCAL_C_INCLUDES += system/extras/ext4_utils
26LOCAL_STATIC_LIBRARIES += \
27    libext4_utils_static \
28    libsparse_static \
29    libz
30endif
31
32LOCAL_STATIC_LIBRARIES += $(TARGET_RECOVERY_UPDATER_LIBS) $(TARGET_RECOVERY_UPDATER_EXTRA_LIBS)
33LOCAL_STATIC_LIBRARIES += libapplypatch libedify libmtdutils libminzip libz
34LOCAL_STATIC_LIBRARIES += libmincrypt libbz
35LOCAL_STATIC_LIBRARIES += libcutils liblog libstdc++ libc
36LOCAL_STATIC_LIBRARIES += libselinux
37tune2fs_static_libraries := \
38 libext2_com_err \
39 libext2_blkid \
40 libext2_quota \
41 libext2_uuid_static \
42 libext2_e2p \
43 libext2fs
44LOCAL_STATIC_LIBRARIES += libtune2fs $(tune2fs_static_libraries)
45
46LOCAL_C_INCLUDES += external/e2fsprogs/misc
47LOCAL_C_INCLUDES += $(LOCAL_PATH)/..
48
49# Each library in TARGET_RECOVERY_UPDATER_LIBS should have a function
50# named "Register_<libname>()".  Here we emit a little C function that
51# gets #included by updater.c.  It calls all those registration
52# functions.
53
54# Devices can also add libraries to TARGET_RECOVERY_UPDATER_EXTRA_LIBS.
55# These libs are also linked in with updater, but we don't try to call
56# any sort of registration function for these.  Use this variable for
57# any subsidiary static libraries required for your registered
58# extension libs.
59
60inc := $(call intermediates-dir-for,PACKAGING,updater_extensions)/register.inc
61
62# Encode the value of TARGET_RECOVERY_UPDATER_LIBS into the filename of the dependency.
63# So if TARGET_RECOVERY_UPDATER_LIBS is changed, a new dependency file will be generated.
64# Note that we have to remove any existing depency files before creating new one,
65# so no obsolete dependecy file gets used if you switch back to an old value.
66inc_dep_file := $(inc).dep.$(subst $(space),-,$(sort $(TARGET_RECOVERY_UPDATER_LIBS)))
67$(inc_dep_file): stem := $(inc).dep
68$(inc_dep_file) :
69	$(hide) mkdir -p $(dir $@)
70	$(hide) rm -f $(stem).*
71	$(hide) touch $@
72
73$(inc) : libs := $(TARGET_RECOVERY_UPDATER_LIBS)
74$(inc) : $(inc_dep_file)
75	$(hide) mkdir -p $(dir $@)
76	$(hide) echo "" > $@
77	$(hide) $(foreach lib,$(libs),echo "extern void Register_$(lib)(void);" >> $@;)
78	$(hide) echo "void RegisterDeviceExtensions() {" >> $@
79	$(hide) $(foreach lib,$(libs),echo "  Register_$(lib)();" >> $@;)
80	$(hide) echo "}" >> $@
81
82$(call intermediates-dir-for,EXECUTABLES,updater,,,$(TARGET_PREFER_32_BIT))/updater.o : $(inc)
83LOCAL_C_INCLUDES += $(dir $(inc))
84
85inc :=
86inc_dep_file :=
87
88LOCAL_MODULE := updater
89
90LOCAL_FORCE_STATIC_EXECUTABLE := true
91
92include $(BUILD_EXECUTABLE)
93