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      1 # -*- mode: makefile -*-
      2 # Copyright (C) 2007 The Android Open Source Project
      3 #
      4 # Licensed under the Apache License, Version 2.0 (the "License");
      5 # you may not use this file except in compliance with the License.
      6 # You may obtain a copy of the License at
      7 #
      8 #      http://www.apache.org/licenses/LICENSE-2.0
      9 #
     10 # Unless required by applicable law or agreed to in writing, software
     11 # distributed under the License is distributed on an "AS IS" BASIS,
     12 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13 # See the License for the specific language governing permissions and
     14 # limitations under the License.
     15 
     16 #
     17 # Definitions for building the native code needed for the core library.
     18 #
     19 
     20 #
     21 # Common definitions for host and target.
     22 #
     23 
     24 # Get the list of all native directories that contain sub.mk files.
     25 # We're using "sub.mk" to make it clear that these are not typical
     26 # android makefiles.
     27 define all-core-native-dirs
     28 $(patsubst %/sub.mk,%,$(shell cd $(LOCAL_PATH) && ls -d */src/$(1)/native/sub.mk 2> /dev/null))
     29 endef
     30 
     31 # These two definitions are used to help sanity check what's put in
     32 # sub.mk. See, the "error" directives immediately below.
     33 core_magic_local_target := ...//::default:://...
     34 core_local_path := $(LOCAL_PATH)
     35 
     36 # Include a submakefile, resolve its source file locations,
     37 # and stick them on core_src_files.  The submakefiles are
     38 # free to append to LOCAL_SRC_FILES, LOCAL_C_INCLUDES,
     39 # LOCAL_SHARED_LIBRARIES, or LOCAL_STATIC_LIBRARIES, but nothing
     40 # else. All other LOCAL_* variables will be ignored.
     41 #
     42 # $(1): directory containing the makefile to include
     43 define include-core-native-dir
     44     LOCAL_SRC_FILES :=
     45     include $(LOCAL_PATH)/$(1)/sub.mk
     46     ifneq ($$(LOCAL_MODULE),$(core_magic_local_target))
     47         $$(error $(LOCAL_PATH)/$(1)/sub.mk should not include CLEAR_VARS \
     48             or define LOCAL_MODULE)
     49     endif
     50     ifneq ($$(LOCAL_PATH),$(core_local_path))
     51         $$(error $(LOCAL_PATH)/$(1)/sub.mk should not define LOCAL_PATH)
     52     endif
     53     core_src_files += $$(addprefix $(1)/,$$(LOCAL_SRC_FILES))
     54     LOCAL_SRC_FILES :=
     55 endef
     56 
     57 # Find any native directories containing sub.mk files.
     58 core_native_dirs := $(strip $(call all-core-native-dirs,main))
     59 ifeq ($(core_native_dirs),)
     60     $(error No native code defined for libcore)
     61 endif
     62 
     63 # Set up the default state. Note: We use CLEAR_VARS here, even though
     64 # we aren't quite defining a new rule yet, to make sure that the
     65 # sub.mk files don't see anything stray from the last rule that was
     66 # set up.
     67 include $(CLEAR_VARS)
     68 LOCAL_MODULE := $(core_magic_local_target)
     69 core_src_files :=
     70 
     71 # Include the sub.mk files.
     72 $(foreach dir, \
     73     $(core_native_dirs), \
     74     $(eval $(call include-core-native-dir,$(dir))))
     75 
     76 # Extract out the allowed LOCAL_* variables. Note: $(sort) also
     77 # removes duplicates.
     78 core_c_includes := $(sort libcore/include $(LOCAL_C_INCLUDES) $(JNI_H_INCLUDE))
     79 core_shared_libraries := $(sort $(LOCAL_SHARED_LIBRARIES))
     80 core_static_libraries := $(sort $(LOCAL_STATIC_LIBRARIES))
     81 core_cflags := -fvisibility=hidden -fvisibility-inlines-hidden
     82 core_cflags += '-DGCC_HIDDEN=__attribute__((visibility("hidden")))'
     83 
     84 
     85 #
     86 # Build for the target (device).
     87 #
     88 
     89 include $(CLEAR_VARS)
     90 
     91 LOCAL_CFLAGS += -Wall -Wextra -Werror
     92 LOCAL_CFLAGS += $(core_cflags)
     93 ifeq ($(TARGET_ARCH),arm)
     94 # Ignore "note: the mangling of 'va_list' has changed in GCC 4.4"
     95 LOCAL_CFLAGS += -Wno-psabi
     96 endif
     97 
     98 # Define the rules.
     99 LOCAL_SRC_FILES := $(core_src_files)
    100 LOCAL_C_INCLUDES := $(core_c_includes)
    101 LOCAL_SHARED_LIBRARIES := $(core_shared_libraries)
    102 LOCAL_STATIC_LIBRARIES := $(core_static_libraries)
    103 LOCAL_MODULE_TAGS := optional
    104 LOCAL_MODULE := libjavacore
    105 
    106 LOCAL_C_INCLUDES += external/stlport/stlport bionic/ bionic/libstdc++/include
    107 LOCAL_SHARED_LIBRARIES += libstlport
    108 
    109 include $(BUILD_STATIC_LIBRARY)
    110 
    111 #
    112 # Build for the host.
    113 #
    114 
    115 ifeq ($(WITH_HOST_DALVIK),true)
    116     include $(CLEAR_VARS)
    117     # Define the rules.
    118     LOCAL_SRC_FILES := $(core_src_files)
    119     LOCAL_CFLAGS += $(core_cflags)
    120     LOCAL_C_INCLUDES := $(core_c_includes)
    121     LOCAL_SHARED_LIBRARIES := $(core_shared_libraries)
    122     LOCAL_STATIC_LIBRARIES := $(core_static_libraries)
    123     LOCAL_MODULE_TAGS := optional
    124     LOCAL_MODULE := libjavacore-host
    125     include $(BUILD_HOST_STATIC_LIBRARY)
    126 endif
    127