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      1 # Copyright (C) 2007 The Android Open Source Project
      2 #
      3 # Licensed under the Apache License, Version 2.0 (the "License");
      4 # you may not use this file except in compliance with the License.
      5 # You may obtain a copy of the License at
      6 #
      7 #      http://www.apache.org/licenses/LICENSE-2.0
      8 #
      9 # Unless required by applicable law or agreed to in writing, software
     10 # distributed under the License is distributed on an "AS IS" BASIS,
     11 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     12 # See the License for the specific language governing permissions and
     13 # limitations under the License.
     14 
     15 #
     16 # Definitions for building the native code needed for the core library.
     17 #
     18 
     19 #
     20 # Common definitions for host and target.
     21 #
     22 
     23 # Get the list of all native directories that contain sub.mk files.
     24 # We're using "sub.mk" to make it clear that these are not typical
     25 # android makefiles.
     26 define all-core-native-dirs
     27 $(patsubst %/sub.mk,%,$(shell cd $(LOCAL_PATH) && ls -d */src/$(1)/native/sub.mk 2> /dev/null))
     28 endef
     29 
     30 # These two definitions are used to help sanity check what's put in
     31 # sub.mk. See, the "error" directives immediately below.
     32 core_magic_local_target := ...//::default:://...
     33 core_local_path := $(LOCAL_PATH)
     34 
     35 # Include a submakefile, resolve its source file locations,
     36 # and stick them on core_src_files.  The submakefiles are
     37 # free to append to LOCAL_SRC_FILES, LOCAL_C_INCLUDES,
     38 # LOCAL_SHARED_LIBRARIES, or LOCAL_STATIC_LIBRARIES, but nothing
     39 # else. All other LOCAL_* variables will be ignored.
     40 #
     41 # $(1): directory containing the makefile to include
     42 define include-core-native-dir
     43     LOCAL_SRC_FILES :=
     44     include $(LOCAL_PATH)/$(1)/sub.mk
     45     ifneq ($$(LOCAL_MODULE),$(core_magic_local_target))
     46         $$(error $(LOCAL_PATH)/$(1)/sub.mk should not include CLEAR_VARS \
     47             or define LOCAL_MODULE)
     48     endif
     49     ifneq ($$(LOCAL_PATH),$(core_local_path))
     50         $$(error $(LOCAL_PATH)/$(1)/sub.mk should not define LOCAL_PATH)
     51     endif
     52     core_src_files += $$(addprefix $(1)/,$$(LOCAL_SRC_FILES))
     53     LOCAL_SRC_FILES :=
     54 endef
     55 
     56 # Find any native directories containing sub.mk files.
     57 core_native_dirs := $(strip $(call all-core-native-dirs,main))
     58 ifeq ($(core_native_dirs),)
     59     $(error No native code defined for libcore)
     60 endif
     61 
     62 # Set up the default state. Note: We use CLEAR_VARS here, even though
     63 # we aren't quite defining a new rule yet, to make sure that the
     64 # sub.mk files don't see anything stray from the last rule that was
     65 # set up.
     66 include $(CLEAR_VARS)
     67 LOCAL_MODULE := $(core_magic_local_target)
     68 core_src_files :=
     69 
     70 # Include the sub.mk files.
     71 $(foreach dir, \
     72     $(core_native_dirs), \
     73     $(eval $(call include-core-native-dir,$(dir))))
     74 
     75 # Extract out the allowed LOCAL_* variables. Note: $(sort) also
     76 # removes duplicates.
     77 core_c_includes := $(sort libcore/include $(LOCAL_C_INCLUDES) $(JNI_H_INCLUDE))
     78 core_shared_libraries := $(sort $(LOCAL_SHARED_LIBRARIES))
     79 core_static_libraries := $(sort $(LOCAL_STATIC_LIBRARIES))
     80 
     81 
     82 #
     83 # Build for the target (device).
     84 #
     85 
     86 include $(CLEAR_VARS)
     87 
     88 LOCAL_CFLAGS += -Wall -Wextra -Werror
     89 
     90 ifeq ($(TARGET_ARCH),arm)
     91 # Ignore "note: the mangling of 'va_list' has changed in GCC 4.4"
     92 LOCAL_CFLAGS += -Wno-psabi
     93 endif
     94 
     95 # Define the rules.
     96 LOCAL_SRC_FILES := $(core_src_files)
     97 LOCAL_C_INCLUDES := $(core_c_includes)
     98 LOCAL_SHARED_LIBRARIES := $(core_shared_libraries)
     99 LOCAL_STATIC_LIBRARIES := $(core_static_libraries)
    100 LOCAL_MODULE_TAGS := optional
    101 LOCAL_MODULE := libjavacore
    102 include $(BUILD_STATIC_LIBRARY)
    103 
    104 # Deal with keystores required for security. Note: The path to this file
    105 # is hardcoded in TrustManagerFactoryImpl.java.
    106 ALL_PREBUILT += $(TARGET_OUT)/etc/security/cacerts.bks
    107 $(TARGET_OUT)/etc/security/cacerts.bks : $(LOCAL_PATH)/luni/src/main/files/cacerts.bks | $(ACP)
    108 	$(transform-prebuilt-to-target)
    109 
    110 
    111 #
    112 # Build for the host.
    113 #
    114 
    115 ifeq ($(WITH_HOST_DALVIK),true)
    116 
    117     include $(CLEAR_VARS)
    118 
    119     # Define the rules.
    120     LOCAL_SRC_FILES := $(core_src_files)
    121     LOCAL_C_INCLUDES := $(core_c_includes)
    122     LOCAL_SHARED_LIBRARIES := $(core_shared_libraries)
    123     LOCAL_STATIC_LIBRARIES := $(core_static_libraries)
    124     LOCAL_MODULE_TAGS := optional
    125     LOCAL_MODULE := libjavacore-host
    126     LOCAL_ADDITIONAL_DEPENDENCIES += $(HOST_OUT)/etc/security/cacerts.bks
    127     include $(BUILD_HOST_STATIC_LIBRARY)
    128 
    129     $(eval $(call copy-one-file,$(LOCAL_PATH)/luni/src/main/files/cacerts.bks,$(HOST_OUT)/etc/security/cacerts.bks))
    130 
    131 endif
    132