{"id":5099,"date":"2024-02-02T23:10:31","date_gmt":"2024-02-02T15:10:31","guid":{"rendered":"https:\/\/blog.coderfan.org\/?p=5099"},"modified":"2024-02-02T23:14:03","modified_gmt":"2024-02-02T15:14:03","slug":"android-bp-conditional-compile-in-android","status":"publish","type":"post","link":"https:\/\/blog.coderfan.org\/en\/android-bp-conditional-compile-in-android.html","title":{"rendered":"Android.bp\u4e2d\u652f\u6301\u6761\u4ef6\u7f16\u8bd1"},"content":{"rendered":"<div class='booster-block booster-read-block'>\n                <div class=\"twp-read-time\">\n                \t<i class=\"booster-icon twp-clock\"><\/i> <span>Read Time:<\/span>2 Minute, 49 Second                <\/div>\n\n            <\/div>\n<p class=\"has-text-align-justify\">\u81eaAndroid P\uff08Android 9.0\uff09\u4ee5\u6765\uff0c\u5b89\u5353\u7cfb\u7edf\u5728\u6784\u5efa\u65f6\u5f00\u59cb\u91c7\u7528Blueprint\u63cf\u8ff0\u6587\u4ef6\u7528\u4e8e\u6307\u5bfc\u7f16\u8bd1\u6784\u5efa\uff0c\u540c\u65f6\u5f15\u5165\u4e86\u65b0\u7684\u7f16\u8bd1\u7cfb\u7edfsoong\uff1b\u800c\u539f\u672c\u7684Kati+GNU Make\u7684\u7ec4\u5408\u5c06\u4f1a\u88ab\u9010\u6e10\u88ab\u66ff\u4ee3\uff1b\u539f\u672c\u4f7f\u7528\u7684Android.mk\u7f16\u8bd1\u914d\u7f6e\u6587\u4ef6\u5c06\u4f1a\u88abAndroid.bp\u66ff\u4ee3\u3002<\/p>\n\n\n\n<p class=\"has-text-align-justify\">\u4f7f\u7528Android.bp\u8fdb\u884c\u6784\u5efa\u65f6\u7ecf\u5e38\u4f1a\u9047\u5230\u4e00\u4e2a\u95ee\u9898\u5c31\u662f\u5982\u4f55\u5728Android.bp\u4e2d\u652f\u6301\u6761\u4ef6\u7f16\u8bd1\uff0c\u8fd9\u662f\u56e0\u4e3aAndroid.bp\u4e2d\u5bf9\u6761\u4ef6\u7f16\u8bd1\u7684\u652f\u6301\u662f\u76f8\u5f53\u6709\u9650\u7684\u3002<\/p>\n\n\n\n<p class=\"has-text-align-justify\">\u6bd4\u8f83\u5e38\u89c1\u7684\u4e00\u4e2a\u573a\u666f\u662f\uff0c\u5f53\u6211\u4eec\u7684\u4ee3\u7801\u6d89\u53ca\u5230\u4e00\u4e9b\u4e0e\u5e73\u53f0\u3001\u786c\u4ef6\u6216\u529f\u80fd\u76f8\u5173\u7684\u7279\u6027\u65f6\uff0c\u5f80\u5f80\u4f1a\u4f7f\u7528\u4e0d\u540c\u7684\u6e90\u7801\u6587\u4ef6\u6216\u8005\u8bf4\u4f9d\u8d56\u4e0d\u540c\u7684\u5e93\uff0c\u8bbe\u5b9a\u4e0d\u540c\u7684\u7f16\u8bd1\u5b8f\u7b49\u7b49\u3002\u5982\u679c\u6211\u4eec\u4f7f\u7528Android.mk\uff0c\u53ef\u4ee5\u76f4\u63a5\u901a\u8fc7ifeq\u6216\u8005ifneq\u8fd9\u7c7b\u903b\u8f91\u63a7\u5236\u8bed\u53e5\u5b9e\u73b0\u5dee\u5f02\u5316\u914d\u7f6e\uff0c\u5982\u4e0b\u793a\u4f8b\uff1a<\/p>\n\n\n\n<pre class=\"io-enlighter-pre\"><code class=\"gl\" data-enlighter-language=\"php\" data-enlighter-linenumbers=\"true\" data-enlighter-lineoffset=\"\" data-enlighter-highlight=\"\">  ifeq ($(TARGET_ARCH),x86_64)\n    LOCAL_SRC_FILES+=win64.cc\n  else ifeq ($(TARGET_ARCH),i686)\n    LOCAL_SRC_FILES+=win32.cc\n  else\n    LOCAL_SRC_FILES+=win64.cc\n  endif<\/code><\/pre>\n\n\n\n<p>\u5982\u679c\u6211\u4eec\u4f7f\u7528Android.bp\uff0c\u90a3\u4e48\u6211\u4eec\u53ef\u4ee5\u5728Android.bp\u4e2d\u901a\u8fc7arch\u5b57\u6bb5\u8fdb\u884c\u914d\u7f6e\u4ece\u800c\u5b9e\u73b0\u4e0e\u4e0a\u8ff0\u7c7b\u4f3c\u6761\u4ef6\u7f16\u8bd1\u7684\u6548\u679c\u3002\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n\n\n\n<pre class=\"io-enlighter-pre\"><code class=\"gl\" data-enlighter-language=\"generic\" data-enlighter-linenumbers=\"true\" data-enlighter-lineoffset=\"\" data-enlighter-highlight=\"\">\/frameworks\/libs\/native_bridge_support\/libOpenMAXAL\/Android.bp\ncc_library {\n    defaults: [\"native_bridge_stub_library_defaults\"],\n    name: \"libnative_bridge_guest_libOpenMAXAL\",\n    overrides: [\"libOpenMAXAL\"],\n    stem: \"libOpenMAXAL\",\n    arch: {\n        arm: {\n            srcs: [\"stubs_arm.cc\"],\n        },\n        arm64: {\n            srcs: [\"stubs_arm64.cc\"],\n        },\n    },\n    shared_libs: [\n        \"liblog\",\n        \"libnative_bridge_guest_libnativewindow\",\n    ],\n}<\/code><\/pre>\n\n\n\n<p class=\"has-text-align-justify\">\u5728\u6574\u4e2aAndroid.bp\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u770b\u5230\u901a\u8fc7arch\u5b57\u6bb5\u914d\u7f6e\u4e86arm\u548carm64\u4e24\u4e2a\u4e0d\u540c\u5e73\u53f0\uff0c\u4f7f\u7528\u4e86\u4e0d\u540c\u7684\u6e90\u7801\u6587\u4ef6\uff0c\u8fd9\u6837\u53ef\u4ee5\u6839\u636e\u5e73\u53f0\u5dee\u5f02\u8fd9\u4e2a\u6761\u4ef6\u5b9e\u73b0\u6761\u4ef6\u7f16\u8bd1\uff1b<\/p>\n\n\n\n<p class=\"has-text-align-justify\">\u4f46\u5982\u679c\u6211\u4eec\u7684\u5dee\u5f02\u5e76\u4e0d\u80fd\u7b80\u5355\u6839\u636e\u5e73\u53f0\u6765\u533a\u5206\u600e\u4e48\u529e\u5462\uff0c\u5728\u6211\u4eec\u5b9e\u9645\u5f00\u53d1\u8fc7\u7a0b\u4e2d\uff0c\u6709\u5f88\u591a\u5dee\u5f02\u5316\u7684\u914d\u7f6e\u53ef\u80fd\u662f\u65e0\u6cd5\u901a\u8fc7\u5e73\u53f0\u8fdb\u884c\u533a\u5206\u7684\uff0c\u4e5f\u65e0\u6cd5\u901a\u8fc7xml,json\u914d\u7f6e\u6216\u8005\u7f16\u8bd1\u5b8f\u7b49\u5b9e\u73b0\u517c\u5bb9\uff0c\u6bd4\u5982\u4e0d\u540c\u7684\u529f\u80fd\u7279\u6027\u5bfc\u81f4\u9700\u8981\u94fe\u63a5\u4e0d\u540c\u7684\u4f9d\u8d56\u5e93\u7b49\u3002\u6b64\u65f6\u6211\u4eec\u5c31\u53ea\u80fd\u501f\u52a9soong\u7684\u81ea\u8eab\u7684\u80fd\u529b\u6765\u5b9e\u73b0\u4e86\u3002<\/p>\n\n\n\n<p class=\"has-text-align-justify\">\u7f51\u4e0a\u5173\u4e8e\u8fd9\u90e8\u5206\u7684\u6307\u5bfc\u5176\u5b9e\u8fd8\u662f\u6bd4\u8f83\u5c11\u7684\uff0c\u4f46\u5176\u5b9esoong\u63d0\u4f9b\u4e86\u89e3\u51b3\u65b9\u6848\uff0c\u5373\u5728Android.bp\u4e2d\u901a\u8fc7soong_config_module_type\u6765\u5e2e\u6211\u4eec\u8fdb\u884c\u914d\u7f6e\uff0c\u53ef\u4ee5\u8ba9\u6211\u4eec\u5c06\u5dee\u5f02\u5316\u7684\u914d\u7f6e\u4ee5module\u7684\u5f62\u5f0f\u5bf9\u5916\u63d0\u4f9b\uff0c\u5728\u7f16\u8bd1\u65f6\u8fdb\u884c\u5f15\u7528\u3002<\/p>\n\n\n\n<p class=\"has-text-align-justify\">\u6211\u4eec\u9996\u5148\u770b\u770bsoong_config_module_type\u7684\u914d\u7f6e\u8bf4\u660e\uff0c\u5728\u5b98\u65b9\u6587\u6863\u6587\u6863\u4e2d\uff0c soong_config_module_type\u662f\u4e00\u79cd\u673a\u5236\uff0c\u5141\u8bb8\u5728 Android.bp\u6784\u5efa\u6587\u4ef6\u4e2d\u57fa\u4e8e Soong \u914d\u7f6e\u53d8\u91cf\u6765\u5b9a\u4e49\u6a21\u5757\u7c7b\u578b\u3002\u4e00\u65e6\u5728 Android.bp\u6587\u4ef6\u4e2d\u5b9a\u4e49\u4e86\u8fd9\u6837\u7684\u6a21\u5757\u7c7b\u578b\uff0c\u5b83\u5c31\u53ef\u4ee5\u88ab\u5176\u4ed6\u6a21\u5757\u8fdb\u884c\u5f15\u7528\u3002<\/p>\n\n\n\n<p class=\"has-text-align-justify\">\u8fd9\u79cd\u673a\u5236\u5141\u8bb8\u5f00\u53d1\u4eba\u5458\u6839\u636e\u6240\u9700\u7684\u6761\u4ef6\u3001\u73af\u5883\u6216\u7279\u5b9a\u7684\u914d\u7f6e\u9009\u9879\uff0c\u5b9a\u4e49\u5b9a\u5236\u7684\u6a21\u5757\u7c7b\u578b\u3002\u8fd9\u4e9b\u6761\u4ef6\u53ef\u4ee5\u57fa\u4e8e Soong \u914d\u7f6e\u7cfb\u7edf\u4e2d\u7684\u53d8\u91cf\uff0c\u4f8b\u5982\u76ee\u6807\u67b6\u6784\u3001\u7f16\u8bd1\u5668\u9009\u9879\u3001\u64cd\u4f5c\u7cfb\u7edf\u7b49\u7b49\u3002\u4e00\u65e6\u5b9a\u4e49\u4e86\u8fd9\u6837\u7684\u6a21\u5757\u7c7b\u578b\uff0c\u5b83\u5c06\u5728\u8be5 Android.bp\u6587\u4ef6\u4e2d\u53ef\u7528\uff0c\u5e76\u53ef\u4ee5\u7528\u4e8e\u5b9a\u4e49\u65b0\u7684\u6a21\u5757\uff0c\u4ee5\u6ee1\u8db3\u7279\u5b9a\u6761\u4ef6\u4e0b\u7684\u6784\u5efa\u9700\u6c42\u3002<\/p>\n\n\n\n<p>\u8fd9\u91cc\u5c06\u8fdb\u884c\u4e3e\u4f8b\u8bf4\u660e\uff1a<\/p>\n\n\n\n<pre class=\"io-enlighter-pre\"><code class=\"gl\" data-enlighter-language=\"php\" data-enlighter-linenumbers=\"true\" data-enlighter-lineoffset=\"\" data-enlighter-highlight=\"\">#\u58f0\u660e\u4e00\u4e2asoong\u7f16\u8bd1\u914d\u7f6e\u6a21\u5757\n#name\u8868\u660e\u8be5\u6a21\u5757\u7684\u540d\u79f0\n#config_namespace\u8868\u540d\u8be5\u7f16\u8bd1\u914d\u7f6e\u6a21\u5757\u6240\u5c5e\u7684\u547d\u540d\u7a7a\u95f4\uff0c\u7528\u4e8e\u5728Makefile\u4e2d\u4f7f\u7528\n#modlue_type\u7528\u4e8e\u8868\u660e\u8be5\u7f16\u8bd1\u914d\u7f6e\u6a21\u5757\u6240\u9644\u5c5e\u7684\u7f16\u8bd1\u914d\u7f6e\n#variables\uff0cbool_variables\uff0cvalue_variables\u8868\u660e\u8be5\u7f16\u8bd1\u914d\u7f6e\u6a21\u5757\u6240\u652f\u6301\u7684\u9009\u9879\u7c7b\u578b\n#bool_variables\u7528\u4e8e\u5b9a\u4e49\u4e00\u4e2a\u8868\u5f81bool\u7c7b\u578b\u7684\u914d\u7f6e\u9879\n#value_variables\u7528\u4e8e\u5b9a\u4e49\u4e00\u4e2a\u53ef\u4f20\u9012\u7684\u914d\u7f6e\u9879\uff0c\u901a\u8fc7%s\u8fdb\u884c\u83b7\u53d6\n#properties\u7528\u4e8e\u8868\u660e\u8be5\u7f16\u8bd1\u914d\u7f6e\u6a21\u5757\u6700\u7ec8\u5f71\u54cd\u7684\u53ef\u9009\u9879\uff0c\u5176\u6765\u81ea\u4e8emoudle_type\u4e2d\u7684\u53ef\u9009\u9879\nsoong_config_module_type {\n    name: \"acme_cc_defaults\",\n    module_type: \"cc_defaults\",\n    config_namespace: \"acme\",\n    variables: [\"board\"],\n    bool_variables: [\"feature\"],\n    value_variables: [\"width\"],\n    properties: [\"cflags\", \"srcs\"],\n}\n\n#\u8fd9\u91cc\u9488\u5bf9\u540d\u4e3aboard\u7684\u914d\u7f6e\u9879\u8bbe\u5b9a\u53ef\u9009\u503c\nsoong_config_string_variable {\n    name: \"board\",\n    values: [\"soc_a\", \"soc_b\"],\n}\n\n#\u8fd9\u91cc\u5bf9soong_config_module_type\u58f0\u660e\u7684\u7f16\u8bd1\u914d\u7f6e\u6a21\u5757\u505a\u8be6\u7ec6\u5b9a\u4e49\nacme_cc_defaults {\n    #\u4e3a\u8be5\u7f16\u8bd1\u914d\u7f6e\u547d\u540d\u4e3aacme_defaults\n    name: \"acme_defaults\",\n    cflags: [\"-DGENERIC\"],\n    soong_config_variables: {\n        board: {\n            soc_a: {\n                cflags: [\"-DSOC_A\"],\n            },\n            soc_b: {\n                cflags: [\"-DSOC_B\"],\n            },\n            conditions_default: {\n                cflags: [\"-DSOC_DEFAULT\"],\n            },\n        },\n        feature: {\n            cflags: [\"-DFEATURE\"],\n            conditions_default: {\n                cflags: [\"-DFEATURE_DEFAULT\"],\n            },\n        },\n        width: {\n\t           cflags: [\"-DWIDTH=%s\"],\n            conditions_default: {\n                cflags: [\"-DWIDTH=DEFAULT\"],\n            },\n        },\n    },\n}\n\ncc_library {\n    name: \"libacme_foo\",\n    #\u8fd9\u91cc\u4f7f\u7528\u540d\u4e3aacme_defaults\u7684\u7f16\u8bd1\u914d\u7f6e\n    defaults: [\"acme_defaults\"],\n    srcs: [\"*.cpp\"],\n}<\/code><\/pre>\n\n\n\n<p class=\"has-text-align-justify\">\u8fd9\u91cc\u6211\u4eec\u6765\u7406\u89e3\u5176\u6574\u4e2a\u5b9a\u4e49\u8fc7\u7a0b\uff0csoong_config_module_type\u7528\u4e8e\u58f0\u660e\u4e00\u4e2a\u7f16\u8bd1\u914d\u7f6e\u6a21\u5757\uff0c\u5176\u5185\u90e8\u5305\u542b\u591a\u4e2a\u914d\u7f6e\u5b50\u9879\uff08variables\/value_variables\/bool_variables\uff09,\u6211\u4eec\u53ef\u4ee5\u5c06\u5176\u7c7b\u6bd4\u4e8eC\/C++\u4e2d\u81ea\u5b9a\u4e49\u4e00\u4e2a\u7ed3\u6784\u4f53\uff0c\u7ed3\u6784\u4f53\u5185\u90e8\u542b\u6709\u591a\u4e2a\u5b50\u5143\u7d20\uff0c\u5176\u4e2dname\u5b57\u6bb5\u7528\u4e8e\u8868\u5f81\u8be5\u914d\u7f6e\u6a21\u5757\u7684\u540d\u79f0\uff0c\u53ef\u7c7b\u6bd4\u7ed3\u6784\u4f53\u7c7b\u578b\u540d\uff1b\u4e4b\u540e\u6211\u4eec\u4ee5\u8be5\u7ed3\u6784\u4f53\u7c7b\u578b\u58f0\u660e\u4e86\u4e00\u4e2a\u7ed3\u6784\u4f53\u53d8\u91cf\uff0c\u5e76\u5bf9\u5176\u8fdb\u884c\u8d4b\u503c\uff0c\u6700\u7ec8\u6211\u4eec\u5728cc_library\u4e2d\u4f7f\u7528\u8be5\u7ed3\u6784\u4f53\u53d8\u91cf\u3002<\/p>\n\n\n\n<p class=\"has-text-align-justify\">\u76f8\u4fe1\u5230\u8fd9\u91cc\u5927\u5bb6\u8fd8\u662f\u8499\u7684\uff0c\u4ec5\u51ed\u4e0a\u8ff0\u5185\u5bb9\u5e76\u6ca1\u6709\u770b\u51fa\u662f\u600e\u4e48\u8fdb\u884c\u6761\u4ef6\u7f16\u8bd1\u7684\u3002\u5176\u5b9e\u5728\u8fdb\u884c\u201c\u7ed3\u6784\u4f53\u53d8\u91cf\u8d4b\u503c\u65f6\u201d\uff0c\u6211\u4eec\u5df2\u7ecf\u9488\u5bf9\u6bcf\u4e00\u4e2a\u5b50\u6210\u5458\u7ed9\u51fa\u4e86\u591a\u4e2a\u201c\u53ef\u9009\u503c\u201d\uff0c\u600e\u6837\u53bb\u9009\u62e9\u8fd9\u4e9b\u53ef\u9009\u503c\u5462\uff0c\u8fd9\u65f6\u5019\u5c31\u9700\u8981Makefile\u7684\u914d\u5408\u4e86\uff0c\u4ee5\u4e0a\u8ff0\u5b9a\u4e49\u4e3a\u4f8b\uff0c\u6211\u4eec\u5728\u6211\u4eec\u7684Makefile\u4e2d\u8fdb\u884c\u4f7f\u7528\uff1a<\/p>\n\n\n\n<pre class=\"io-enlighter-pre\"><code class=\"gl\" data-enlighter-language=\"php\" data-enlighter-linenumbers=\"true\" data-enlighter-lineoffset=\"\" data-enlighter-highlight=\"\">#\u5728Makefile\u4e2d\u8fdb\u884c\u4f7f\u7528,\u5982\u5728BoardConfig\u4e2d\u6dfb\u52a0\n#SOONG_CONFIG_NAMESPACES \u7528\u4e8e\u7d22\u5f15\u5bf9\u5e94namespace\u5185\u7684\u7f16\u8bd1\u914d\u7f6e\nSOONG_CONFIG_NAMESPACES += acme\n\n#SOONG_CONFIG_${NAMESPACE}\u7528\u4e8e\u9009\u5219\u53ef\u914d\u7f6e\u7684VARIABLE\nSOONG_CONFIG_acme += \\\n    board \\\n    feature \\\n\n#SOONG_CONFIG_${NAMESPACE}_${VARIABLE}\u7528\u4e8e\u9009\u62e9\u5177\u4f53\u7684\u503c\nSOONG_CONFIG_acme_board := soc_a\nSOONG_CONFIG_acme_feature := true\nSOONG_CONFIG_acme_width := 200<\/code><\/pre>\n\n\n\n<p class=\"has-text-align-justify\">\u6700\u7ec8\u6211\u4eec\u7f16\u8bd1libacme_foo\u65f6\u5c06\u4f1a\u4ee5cflags=&#8221;-DGENERIC -DSOC_A -DFEATURE&#8221;\u7684\u65b9\u5f0f\u8fdb\u884c\u7f16\u8bd1\uff1b\u5982\u679c\u6211\u4eec\u5728BoardConfig.mk\u6dfb\u52a0\u7684\u5185\u5bb9\u5982\u4e0b\uff1a<\/p>\n\n\n\n<pre class=\"io-enlighter-pre\"><code class=\"gl\" data-enlighter-language=\"php\" data-enlighter-linenumbers=\"true\" data-enlighter-lineoffset=\"\" data-enlighter-highlight=\"\">#\u5728Makefile\u4e2d\u8fdb\u884c\u4f7f\u7528,\u5982\u5728BoardConfig\u4e2d\u6dfb\u52a0\n#SOONG_CONFIG_NAMESPACES \u7528\u4e8e\u7d22\u5f15\u5bf9\u5e94namespace\u5185\u7684\u7f16\u8bd1\u914d\u7f6e\nSOONG_CONFIG_NAMESPACES += acme\n\n#SOONG_CONFIG_${NAMESPACE}\u7528\u4e8e\u9009\u5219\u53ef\u914d\u7f6e\u7684VARIABLE\nSOONG_CONFIG_acme += \\\n    board \\\n    feature \\\n    width \\\n\n#SOONG_CONFIG_${NAMESPACE}_${VARIABLE}\u7528\u4e8e\u9009\u62e9\u5177\u4f53\u7684\u503c\nSOONG_CONFIG_acme_board := soc_b\nSOONG_CONFIG_acme_feature := true\nSOONG_CONFIG_acme_width := 200<\/code><\/pre>\n\n\n\n<p class=\"has-text-align-justify\">\u6b64\u65f6\u7f16\u8bd1libacme_foo\u65f6\u5c06\u4f1a\u4ee5cflags=&#8221;-DGENERIC -DSOC_B -DFEATURE -DWIDTH=200&#8243;\u7684\u65b9\u5f0f\u8fdb\u884c\u7f16\u8bd1;<\/p>\n\n\n\n<p>\u5982\u679c\u6211\u4eec\u9700\u8981\u6dfb\u52a0\u4e0d\u540c\u7684src\uff0c\u90a3\u4e48\u6211\u4eec\u53ef\u4ee5\u4fee\u6539\u5982\u4e0b\uff1a<\/p>\n\n\n\n<pre class=\"io-enlighter-pre\"><code class=\"gl\" data-enlighter-language=\"generic\" data-enlighter-linenumbers=\"true\" data-enlighter-lineoffset=\"\" data-enlighter-highlight=\"\">acme_cc_defaults {\n    #\u4e3a\u8be5\u7f16\u8bd1\u914d\u7f6e\u547d\u540d\u4e3aacme_defaults\n    name: \"acme_defaults\",\n    cflags: [\"-DGENERIC\"],\n    soong_config_variables: {\n        board: {\n            soc_a: {\n                cflags: [\"-DSOC_A\"],\n                srcs: [\"SocA.cc\"],\n            },\n            soc_b: {\n                cflags: [\"-DSOC_B\"],\n                srcs: [\"SocB.cc\"],\n            },\n            conditions_default: {\n                cflags: [\"-DSOC_DEFAULT\"],\n            },\n        },\n        feature: {\n            cflags: [\"-DFEATURE\"],\n            conditions_default: {\n                cflags: [\"-DFEATURE_DEFAULT\"],\n            },\n        },\n        width: {\n\t           cflags: [\"-DWIDTH=%s\"],\n            conditions_default: {\n                cflags: [\"-DWIDTH=DEFAULT\"],\n            },\n        },\n    },\n}<\/code><\/pre>\n\n\n\n<p class=\"has-text-align-justify\">\u5982\u679c\u6211\u4eec\u9700\u8981\u4f9d\u8d56\u4e0d\u540c\u7684\u5e93\uff0c\u90a3\u4e48\u6211\u4eec\u53ef\u4ee5\u4fee\u6539\u5982\u4e0b\uff1a<\/p>\n\n\n\n<pre class=\"io-enlighter-pre\"><code class=\"gl\" data-enlighter-language=\"php\" data-enlighter-linenumbers=\"true\" data-enlighter-lineoffset=\"\" data-enlighter-highlight=\"\">#\u5728properties\u4e2d\u6dfb\u52a0shared_libs \nsoong_config_module_type {\n    name: \"acme_cc_defaults\",\n    module_type: \"cc_defaults\",\n    config_namespace: \"acme\",\n    variables: [\"board\"],\n    bool_variables: [\"feature\"],\n    value_variables: [\"width\"],\n    properties: [\"cflags\", \"srcs\",\"shared_libs \"],\n}\n\n#\u6dfb\u52a0\u4e0d\u540c\u7684\u4f9d\u8d56\u5e93\nacme_cc_defaults {\n    #\u4e3a\u8be5\u7f16\u8bd1\u914d\u7f6e\u547d\u540d\u4e3aacme_defaults\n    name: \"acme_defaults\",\n    cflags: [\"-DGENERIC\"],\n    soong_config_variables: {\n        board: {\n            soc_a: {\n                cflags: [\"-DSOC_A\"],\n                shared_libs: [\"libsoc_a\"],\n            },\n            soc_b: {\n                cflags: [\"-DSOC_B\"],\n                shared_libs: [\"libsoc_b\"],\n            },\n            conditions_default: {\n                cflags: [\"-DSOC_DEFAULT\"],\n            },\n        },\n        feature: {\n            cflags: [\"-DFEATURE\"],\n            conditions_default: {\n                cflags: [\"-DFEATURE_DEFAULT\"],\n            },\n        },\n        width: {\n\t           cflags: [\"-DWIDTH=%s\"],\n            conditions_default: {\n                cflags: [\"-DWIDTH=DEFAULT\"],\n            },\n        },\n    },\n}<\/code><\/pre>\n\n\n\n<p class=\"has-text-align-justify\">\u7efc\u4e0a\uff0c\u6211\u4eec\u53ef\u4ee5\u770b\u5230\u5728Google\u5728\u5f15\u5165Android.bp\u540e\uff0c\u60f3\u8981\u4f7f\u7528\u6761\u4ef6\u7f16\u8bd1\u4f1a\u53d8\u5f97\u8f83\u4e3a\u590d\u6742\uff0c\u9700\u8981\u7ed3\u5408Android.bp\u4e0eMakefile\uff0c\u5728\u4e24\u8005\u7684\u5171\u540c\u4f5c\u7528\u4e0b\u624d\u80fd\u8fbe\u5230\u6211\u4eec\u7684\u76ee\u7684\u3002\u5f53\u7136\uff0c\u8fd9\u7bc7\u6587\u7ae0\u4e2d\u6240\u8bb2\u7684\u65b9\u6cd5\u5e76\u4e0d\u662f\u552f\u4e00\u7684\u65b9\u6cd5\uff0c\u6211\u4eec\u8fd8\u53ef\u4ee5\u901a\u8fc7\u4fee\u6539Soong\u7f16\u8bd1\u7cfb\u7edf\uff0c\u7f16\u5199Golang\u4ee3\u7801\u6765\u5b9e\u73b0\u540c\u6837\u7684\u6548\u679c\uff0c\u4e0d\u8fc7\u5728\u6211\u770b\u6765\u8fd9\u79cd\u65b9\u5f0f\u4e0d\u591f\u4f18\u96c5\uff0c\u6211\u4eec\u5e94\u5c3d\u53ef\u80fd\u5728\u4e0d\u505a\u4fb5\u5165\u5f0f\u4fee\u6539\u7684\u524d\u63d0\u4e0b\u6765\u5b9e\u73b0\u6211\u4eec\u7684\u76ee\u7684\u3002<\/p>\n        <div class=\"booster-block booster-reactions-block\">\n            <div class=\"twp-reactions-icons\">\n                \n                <div class=\"twp-reacts-wrap\">\n                    <a react-data=\"be-react-1\" post-id=\"5099\" class=\"be-face-icons un-reacted\" href=\"javascript:void(0)\">\n                        <img decoding=\"async\" src=\"https:\/\/blog.coderfan.org\/wp-content\/plugins\/booster-extension\/\/assets\/icon\/happy.svg\" alt=\"Happy\">\n                    <\/a>\n                    <div class=\"twp-reaction-title\">\n                        Happy                    <\/div>\n                    <div class=\"twp-count-percent\">\n                                                    <span style=\"display: none;\" class=\"twp-react-count\">1<\/span>\n                        \n                                                <span class=\"twp-react-percent\"><span>100<\/span> %<\/span>\n                                            <\/div>\n                <\/div>\n\n                <div class=\"twp-reacts-wrap\">\n                    <a react-data=\"be-react-2\" post-id=\"5099\" class=\"be-face-icons un-reacted\" href=\"javascript:void(0)\">\n                        <img decoding=\"async\" src=\"https:\/\/blog.coderfan.org\/wp-content\/plugins\/booster-extension\/\/assets\/icon\/sad.svg\" alt=\"Sad\">\n                    <\/a>\n                    <div class=\"twp-reaction-title\">\n                        Sad                    <\/div>\n                    <div class=\"twp-count-percent\">\n                                                    <span style=\"display: none;\" class=\"twp-react-count\">0<\/span>\n                                                                        <span class=\"twp-react-percent\"><span>0<\/span> %<\/span>\n                                            <\/div>\n                <\/div>\n\n                <div class=\"twp-reacts-wrap\">\n                    <a react-data=\"be-react-3\" post-id=\"5099\" class=\"be-face-icons un-reacted\" href=\"javascript:void(0)\">\n                        <img decoding=\"async\" src=\"https:\/\/blog.coderfan.org\/wp-content\/plugins\/booster-extension\/\/assets\/icon\/excited.svg\" alt=\"Excited\">\n                    <\/a>\n                    <div class=\"twp-reaction-title\">\n                        Excited                    <\/div>\n                    <div class=\"twp-count-percent\">\n                                                    <span style=\"display: none;\" class=\"twp-react-count\">0<\/span>\n                                                                        <span class=\"twp-react-percent\"><span>0<\/span> %<\/span>\n                                            <\/div>\n                <\/div>\n\n                <div class=\"twp-reacts-wrap\">\n                    <a react-data=\"be-react-6\" post-id=\"5099\" class=\"be-face-icons un-reacted\" href=\"javascript:void(0)\">\n                        <img decoding=\"async\" src=\"https:\/\/blog.coderfan.org\/wp-content\/plugins\/booster-extension\/\/assets\/icon\/sleepy.svg\" alt=\"Sleepy\">\n                    <\/a>\n                    <div class=\"twp-reaction-title\">\n                        Sleepy                    <\/div>\n                    <div class=\"twp-count-percent\">\n                                                    <span style=\"display: none;\" class=\"twp-react-count\">0<\/span>\n                        \n                                                <span class=\"twp-react-percent\"><span>0<\/span> %<\/span>\n                                            <\/div>\n                <\/div>\n\n                <div class=\"twp-reacts-wrap\">\n                    <a react-data=\"be-react-4\" post-id=\"5099\" class=\"be-face-icons un-reacted\" href=\"javascript:void(0)\">\n                        <img decoding=\"async\" src=\"https:\/\/blog.coderfan.org\/wp-content\/plugins\/booster-extension\/\/assets\/icon\/angry.svg\" alt=\"Angry\">\n                    <\/a>\n                    <div class=\"twp-reaction-title\">Angry<\/div>\n                    <div class=\"twp-count-percent\">\n                                                    <span style=\"display: none;\" class=\"twp-react-count\">0<\/span>\n                                                                        <span class=\"twp-react-percent\"><span>0<\/span> %<\/span>\n                        \n                    <\/div>\n                <\/div>\n\n                <div class=\"twp-reacts-wrap\">\n                    <a react-data=\"be-react-5\" post-id=\"5099\" class=\"be-face-icons un-reacted\" href=\"javascript:void(0)\">\n                        <img decoding=\"async\" src=\"https:\/\/blog.coderfan.org\/wp-content\/plugins\/booster-extension\/\/assets\/icon\/surprise.svg\" alt=\"Surprise\">\n                    <\/a>\n                    <div class=\"twp-reaction-title\">Surprise<\/div>\n                    <div class=\"twp-count-percent\">\n                                                    <span style=\"display: none;\" class=\"twp-react-count\">0<\/span>\n                                                                        <span class=\"twp-react-percent\"><span>0<\/span> %<\/span>\n                                            <\/div>\n                <\/div>\n\n            <\/div>\n        <\/div>","protected":false},"excerpt":{"rendered":"<p>Android.bp\u4e2d\u66f4\u4e3a\u4f18\u96c5\u5730\u5b9e\u73b0\u6761\u4ef6\u7f16\u8bd1\u3002<\/p>","protected":false},"author":1,"featured_media":4483,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_editorskit_title_hidden":false,"_editorskit_reading_time":0,"_editorskit_is_block_options_detached":false,"_editorskit_block_options_position":"{}","om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[18],"tags":[46],"class_list":["post-5099","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-operating-system","tag-android"],"blocksy_meta":[],"aioseo_notices":[],"featured_image_urls":{"full":["https:\/\/blog.coderfan.org\/wp-content\/uploads\/2023\/04\/android.jpg",512,269,false],"thumbnail":["https:\/\/blog.coderfan.org\/wp-content\/uploads\/2023\/04\/android-150x150.jpg",150,150,true],"medium":["https:\/\/blog.coderfan.org\/wp-content\/uploads\/2023\/04\/android-300x158.jpg",300,158,true],"medium_large":["https:\/\/blog.coderfan.org\/wp-content\/uploads\/2023\/04\/android.jpg",512,269,false],"large":["https:\/\/blog.coderfan.org\/wp-content\/uploads\/2023\/04\/android.jpg",512,269,false],"1536x1536":["https:\/\/blog.coderfan.org\/wp-content\/uploads\/2023\/04\/android.jpg",512,269,false],"2048x2048":["https:\/\/blog.coderfan.org\/wp-content\/uploads\/2023\/04\/android.jpg",512,269,false],"trp-custom-language-flag":["https:\/\/blog.coderfan.org\/wp-content\/uploads\/2023\/04\/android-18x9.jpg",18,9,true]},"post_excerpt_stackable":"<p>Android.bp\u4e2d\u66f4\u4e3a\u4f18\u96c5\u5730\u5b9e\u73b0\u6761\u4ef6\u7f16\u8bd1\u3002<\/p>\n","category_list":"<a href=\"https:\/\/blog.coderfan.org\/en\/category\/operating-system\" rel=\"category tag\">\u64cd\u4f5c\u7cfb\u7edf<\/a>","author_info":{"name":"FranzKafka95","url":"https:\/\/blog.coderfan.org\/en\/author\/yushenglonely95"},"comments_num":"0 comments","featured_image_urls_v2":{"full":["https:\/\/blog.coderfan.org\/wp-content\/uploads\/2023\/04\/android.jpg",512,269,false],"thumbnail":["https:\/\/blog.coderfan.org\/wp-content\/uploads\/2023\/04\/android-150x150.jpg",150,150,true],"medium":["https:\/\/blog.coderfan.org\/wp-content\/uploads\/2023\/04\/android-300x158.jpg",300,158,true],"medium_large":["https:\/\/blog.coderfan.org\/wp-content\/uploads\/2023\/04\/android.jpg",512,269,false],"large":["https:\/\/blog.coderfan.org\/wp-content\/uploads\/2023\/04\/android.jpg",512,269,false],"1536x1536":["https:\/\/blog.coderfan.org\/wp-content\/uploads\/2023\/04\/android.jpg",512,269,false],"2048x2048":["https:\/\/blog.coderfan.org\/wp-content\/uploads\/2023\/04\/android.jpg",512,269,false],"trp-custom-language-flag":["https:\/\/blog.coderfan.org\/wp-content\/uploads\/2023\/04\/android-18x9.jpg",18,9,true]},"post_excerpt_stackable_v2":"<p>Android.bp\u4e2d\u66f4\u4e3a\u4f18\u96c5\u5730\u5b9e\u73b0\u6761\u4ef6\u7f16\u8bd1\u3002<\/p>\n","category_list_v2":"<a href=\"https:\/\/blog.coderfan.org\/en\/category\/operating-system\" rel=\"category tag\">\u64cd\u4f5c\u7cfb\u7edf<\/a>","author_info_v2":{"name":"FranzKafka95","url":"https:\/\/blog.coderfan.org\/en\/author\/yushenglonely95"},"comments_num_v2":"0 comments","_links":{"self":[{"href":"https:\/\/blog.coderfan.org\/en\/wp-json\/wp\/v2\/posts\/5099","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.coderfan.org\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.coderfan.org\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.coderfan.org\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.coderfan.org\/en\/wp-json\/wp\/v2\/comments?post=5099"}],"version-history":[{"count":6,"href":"https:\/\/blog.coderfan.org\/en\/wp-json\/wp\/v2\/posts\/5099\/revisions"}],"predecessor-version":[{"id":5140,"href":"https:\/\/blog.coderfan.org\/en\/wp-json\/wp\/v2\/posts\/5099\/revisions\/5140"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/blog.coderfan.org\/en\/wp-json\/wp\/v2\/media\/4483"}],"wp:attachment":[{"href":"https:\/\/blog.coderfan.org\/en\/wp-json\/wp\/v2\/media?parent=5099"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.coderfan.org\/en\/wp-json\/wp\/v2\/categories?post=5099"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.coderfan.org\/en\/wp-json\/wp\/v2\/tags?post=5099"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}