Android.mk 转换为 Android.bp简介

There is a tool called androidmk to generate Android.bp file out of Android.mk file

androidmk工具在编译后生成所在目录out/soong/host/linux-x86/bin/androidmk

工具使用方法：

1. cd out/soong/host/linux-x86/bin/androidmk

2. androidmk [flags] <inputFile>

注：androidmk parses <inputFile> as an Android.mk file and attempts to output an analogous Android.bp file (to standard out)
示例如下：

Write normal Android.mk file for prebuilt library like this

include $(CLEAR_VARS)
    LOCAL_MODULE := newlib
    LOCAL_SRC_FILES := newlib.so
    LOCAL_MODULE_SUFFIX := .so
    LOCAL_MODULE_CLASS := SHARED_LIBRARIES
    LOCAL_MODULE_PATH := $(TARGET_OUT_SHARED_LIBRARIES)
    LOCAL_MODULE_TAGS := optional
    include $(BUILD_PREBUILT)

Now run below command
androidmk Android.mk

Android.bp file will be created as below

cc_prebuilt_library_shared {
        name: "newlib",
        srcs: ["newlib.so"],

        //ANDROIDMK TRANSLATION ERROR: unspported assignment to LOCAL_MODULE_PATH
        //LOCAL_MODULE_PATH := $(TARGET_OUT_SHARED_LIBRARY)
    }

这里有一些androidmk 工具无法转换的语句，或者想在Andorid.bp中实现一些特定的目标,则可以参考源码中关于soong的两个资料，也可以用于学习Android.bp的命令

1.源码目录 /LINUX/android/build/soong/androidmk/cmd/androidmk/android.go:


174    addStandardProperties(bpparser.BoolType,
175        map[string]string{
176            // Bool properties
177            "LOCAL_IS_HOST_MODULE":             "host",
178            "LOCAL_CLANG":                      "clang",
179            "LOCAL_FORCE_STATIC_EXECUTABLE":    "static_executable",
180            "LOCAL_NATIVE_COVERAGE":            "native_coverage",
181            "LOCAL_NO_CRT":                     "nocrt",
182            "LOCAL_ALLOW_UNDEFINED_SYMBOLS":    "allow_undefined_symbols",
183            "LOCAL_RTTI_FLAG":                  "rtti",
184            "LOCAL_NO_STANDARD_LIBRARIES":      "no_standard_libs",
185            "LOCAL_PACK_MODULE_RELOCATIONS":    "pack_relocations",
186            "LOCAL_TIDY":                       "tidy",
187            "LOCAL_USE_CLANG_LLD":              "use_clang_lld",
188            "LOCAL_PROPRIETARY_MODULE":         "proprietary",
189            "LOCAL_VENDOR_MODULE":              "vendor",
190            "LOCAL_ODM_MODULE":                 "device_specific",
191            "LOCAL_PRODUCT_MODULE":             "product_specific",
192            "LOCAL_PRODUCT_SERVICES_MODULE":    "product_services_specific",
193            "LOCAL_EXPORT_PACKAGE_RESOURCES":   "export_package_resources",
194            "LOCAL_PRIVILEGED_MODULE":          "privileged",
195            "LOCAL_AAPT_INCLUDE_ALL_RESOURCES": "aapt_include_all_resources",
196            "LOCAL_USE_EMBEDDED_NATIVE_LIBS":   "use_embedded_native_libs",
197            "LOCAL_USE_EMBEDDED_DEX":           "use_embedded_dex",

2.文档资料目录/LINUX/android/out/soong/docs/soong_build.html

该文件描述了Android.bp所有的可用的命令以及命令的各个属性的意义

Android.mk 转换为 Android.bp简介

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