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