1 # Copyright (C) 2008 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 LOCAL_PATH := $(call my-dir) 16 17 include $(CLEAR_VARS) 18 19 LOCAL_SRC_FILES := fs_config.c 20 LOCAL_MODULE := fs_config 21 LOCAL_SHARED_LIBRARIES := libcutils libselinux 22 LOCAL_CFLAGS := -Werror 23 24 include $(BUILD_HOST_EXECUTABLE) 25 26 # One can override the default android_filesystem_config.h file in one of two ways: 27 # 28 # 1. The old way: 29 # To Build the custom target binary for the host to generate the fs_config 30 # override files. The executable is hard coded to include the 31 # $(TARGET_ANDROID_FILESYSTEM_CONFIG_H) file if it exists. 32 # Expectations: 33 # device/<vendor>/<device>/android_filesystem_config.h 34 # fills in struct fs_path_config android_device_dirs[] and 35 # struct fs_path_config android_device_files[] 36 # device/<vendor>/<device>/device.mk 37 # PRODUCT_PACKAGES += fs_config_dirs fs_config_files 38 # If not specified, check if default one to be found 39 # 40 # 2. The new way: 41 # set TARGET_FS_CONFIG_GEN to contain a list of intermediate format files 42 # for generating the android_filesystem_config.h file. 43 # 44 # More information can be found in the README 45 ANDROID_FS_CONFIG_H := android_filesystem_config.h 46 47 ifneq ($(TARGET_ANDROID_FILESYSTEM_CONFIG_H),) 48 ifneq ($(TARGET_FS_CONFIG_GEN),) 49 $(error Cannot set TARGET_ANDROID_FILESYSTEM_CONFIG_H and TARGET_FS_CONFIG_GEN simultaneously) 50 endif 51 52 # One and only one file can be specified. 53 ifneq ($(words $(TARGET_ANDROID_FILESYSTEM_CONFIG_H)),1) 54 $(error Multiple fs_config files specified, \ 55 see "$(TARGET_ANDROID_FILESYSTEM_CONFIG_H)".) 56 endif 57 58 ifeq ($(filter %/$(ANDROID_FS_CONFIG_H),$(TARGET_ANDROID_FILESYSTEM_CONFIG_H)),) 59 $(error TARGET_ANDROID_FILESYSTEM_CONFIG_H file name must be $(ANDROID_FS_CONFIG_H), \ 60 see "$(notdir $(TARGET_ANDROID_FILESYSTEM_CONFIG_H))".) 61 endif 62 63 my_fs_config_h := $(TARGET_ANDROID_FILESYSTEM_CONFIG_H) 64 else ifneq ($(wildcard $(TARGET_DEVICE_DIR)/$(ANDROID_FS_CONFIG_H)),) 65 66 ifneq ($(TARGET_FS_CONFIG_GEN),) 67 $(error Cannot provide $(TARGET_DEVICE_DIR)/$(ANDROID_FS_CONFIG_H) and set TARGET_FS_CONFIG_GEN simultaneously) 68 endif 69 my_fs_config_h := $(TARGET_DEVICE_DIR)/$(ANDROID_FS_CONFIG_H) 70 71 else 72 my_fs_config_h := $(LOCAL_PATH)/default/$(ANDROID_FS_CONFIG_H) 73 endif 74 75 ################################## 76 include $(CLEAR_VARS) 77 LOCAL_SRC_FILES := fs_config_generate.c 78 LOCAL_MODULE := fs_config_generate_$(TARGET_DEVICE) 79 LOCAL_MODULE_CLASS := EXECUTABLES 80 LOCAL_SHARED_LIBRARIES := libcutils 81 LOCAL_CFLAGS := -Werror -Wno-error=\#warnings 82 83 ifneq ($(TARGET_FS_CONFIG_GEN),) 84 system_android_filesystem_config := system/core/include/private/android_filesystem_config.h 85 86 # Generate the "generated_oem_aid.h" file 87 oem := $(local-generated-sources-dir)/generated_oem_aid.h 88 $(oem): PRIVATE_LOCAL_PATH := $(LOCAL_PATH) 89 $(oem): PRIVATE_TARGET_FS_CONFIG_GEN := $(TARGET_FS_CONFIG_GEN) 90 $(oem): PRIVATE_ANDROID_FS_HDR := $(system_android_filesystem_config) 91 $(oem): PRIVATE_CUSTOM_TOOL = $(PRIVATE_LOCAL_PATH)/fs_config_generator.py oemaid --aid-header=$(PRIVATE_ANDROID_FS_HDR) $(PRIVATE_TARGET_FS_CONFIG_GEN) > $@ 92 $(oem): $(TARGET_FS_CONFIG_GEN) $(LOCAL_PATH)/fs_config_generator.py 93 $(transform-generated-source) 94 95 # Generate the fs_config header 96 gen := $(local-generated-sources-dir)/$(ANDROID_FS_CONFIG_H) 97 $(gen): PRIVATE_LOCAL_PATH := $(LOCAL_PATH) 98 $(gen): PRIVATE_TARGET_FS_CONFIG_GEN := $(TARGET_FS_CONFIG_GEN) 99 $(gen): PRIVATE_ANDROID_FS_HDR := $(system_android_filesystem_config) 100 $(gen): PRIVATE_CUSTOM_TOOL = $(PRIVATE_LOCAL_PATH)/fs_config_generator.py fsconfig --aid-header=$(PRIVATE_ANDROID_FS_HDR) $(PRIVATE_TARGET_FS_CONFIG_GEN) > $@ 101 $(gen): $(TARGET_FS_CONFIG_GEN) $(system_android_filesystem_config) $(LOCAL_PATH)/fs_config_generator.py 102 $(transform-generated-source) 103 104 LOCAL_GENERATED_SOURCES := $(oem) $(gen) 105 106 my_fs_config_h := $(gen) 107 my_gen_oem_aid := $(oem) 108 gen := 109 oem := 110 endif 111 112 LOCAL_C_INCLUDES := $(dir $(my_fs_config_h)) $(dir $(my_gen_oem_aid)) 113 114 include $(BUILD_HOST_EXECUTABLE) 115 fs_config_generate_bin := $(LOCAL_INSTALLED_MODULE) 116 117 ################################## 118 # Generate the system/etc/fs_config_dirs binary file for the target 119 # Add fs_config_dirs to PRODUCT_PACKAGES in the device make file to enable 120 include $(CLEAR_VARS) 121 122 LOCAL_MODULE := fs_config_dirs 123 LOCAL_MODULE_CLASS := ETC 124 include $(BUILD_SYSTEM)/base_rules.mk 125 $(LOCAL_BUILT_MODULE): $(fs_config_generate_bin) 126 @mkdir -p $(dir $@) 127 $< -D -o $@ 128 129 ################################## 130 # Generate the system/etc/fs_config_files binary file for the target 131 # Add fs_config_files to PRODUCT_PACKAGES in the device make file to enable 132 include $(CLEAR_VARS) 133 134 LOCAL_MODULE := fs_config_files 135 LOCAL_MODULE_CLASS := ETC 136 include $(BUILD_SYSTEM)/base_rules.mk 137 $(LOCAL_BUILT_MODULE): $(fs_config_generate_bin) 138 @mkdir -p $(dir $@) 139 $< -F -o $@ 140 141 # The newer passwd/group targets are only generated if you 142 # use the new TARGET_FS_CONFIG_GEN method. 143 ifneq ($(TARGET_FS_CONFIG_GEN),) 144 145 ################################## 146 # Build the oemaid library when fs config files are present. 147 # Intentionally break build if you require generated AIDS 148 # header file, but are not using any fs config files. 149 include $(CLEAR_VARS) 150 LOCAL_MODULE := liboemaids 151 LOCAL_EXPORT_C_INCLUDE_DIRS := $(dir $(my_gen_oem_aid)) 152 LOCAL_EXPORT_C_INCLUDE_DEPS := $(my_gen_oem_aid) 153 include $(BUILD_STATIC_LIBRARY) 154 155 ################################## 156 # Generate the system/etc/passwd text file for the target 157 # This file may be empty if no AIDs are defined in 158 # TARGET_FS_CONFIG_GEN files. 159 include $(CLEAR_VARS) 160 161 LOCAL_MODULE := passwd 162 LOCAL_MODULE_CLASS := ETC 163 164 include $(BUILD_SYSTEM)/base_rules.mk 165 166 $(LOCAL_BUILT_MODULE): PRIVATE_LOCAL_PATH := $(LOCAL_PATH) 167 $(LOCAL_BUILT_MODULE): PRIVATE_TARGET_FS_CONFIG_GEN := $(TARGET_FS_CONFIG_GEN) 168 $(LOCAL_BUILT_MODULE): PRIVATE_ANDROID_FS_HDR := $(system_android_filesystem_config) 169 $(LOCAL_BUILT_MODULE): $(LOCAL_PATH)/fs_config_generator.py $(TARGET_FS_CONFIG_GEN) $(system_android_filesystem_config) 170 @mkdir -p $(dir $@) 171 $(hide) $< passwd --aid-header=$(PRIVATE_ANDROID_FS_HDR) $(PRIVATE_TARGET_FS_CONFIG_GEN) > $@ 172 173 ################################## 174 # Generate the system/etc/group text file for the target 175 # This file may be empty if no AIDs are defined in 176 # TARGET_FS_CONFIG_GEN files. 177 include $(CLEAR_VARS) 178 179 LOCAL_MODULE := group 180 LOCAL_MODULE_CLASS := ETC 181 182 include $(BUILD_SYSTEM)/base_rules.mk 183 184 $(LOCAL_BUILT_MODULE): PRIVATE_LOCAL_PATH := $(LOCAL_PATH) 185 $(LOCAL_BUILT_MODULE): PRIVATE_TARGET_FS_CONFIG_GEN := $(TARGET_FS_CONFIG_GEN) 186 $(LOCAL_BUILT_MODULE): PRIVATE_ANDROID_FS_HDR := $(system_android_filesystem_config) 187 $(LOCAL_BUILT_MODULE): $(LOCAL_PATH)/fs_config_generator.py $(TARGET_FS_CONFIG_GEN) $(system_android_filesystem_config) 188 @mkdir -p $(dir $@) 189 $(hide) $< group --aid-header=$(PRIVATE_ANDROID_FS_HDR) $(PRIVATE_TARGET_FS_CONFIG_GEN) > $@ 190 191 system_android_filesystem_config := 192 endif 193 194 ANDROID_FS_CONFIG_H := 195 my_fs_config_h := 196 fs_config_generate_bin := 197 my_gen_oem_aid := 198
