sudo dpkg-reconfigure dash

unzip devicetool-linux-tool-3.1.0.200.zipchmod u+x devicetool-linux-tool-3.1.0.200.sh

sudo ./devicetool-linux-tool-3.1.0.200.sh

git config --global user.name "yourname"git config --global user.email "your-email-address"git config --global credential.helper store

sudo apt-get install curlsudo curl https://gitee.com/oschina/repo/raw/fork_flow/repo-py3 -o /usr/local/bin/reposudo chmod a+x /usr/local/bin/reposudo pip3 install -i https://repo.huaweicloud.com/repository/pypi/simple requests

sudo ln -sf /usr/bin/python3 /usr/bin/pythonrepo init -u https://gitee.com/openharmony/manifest -b refs/tags/OpenHarmony-v3.2-Beta1 --no-repo-verifyrepo sync -crepo forall -c 'git lfs pull'

bash build/prebuilts_download.sh

sudo apt-get install binutils git git-lfs gnupg flex bison gperf build-essential zip curl zlib1g-dev gcc-multilib g++-multilib libc6-dev-i386 lib32ncurses5-dev x11proto-core-dev libx11-dev lib32z1-dev ccache libgl1-mesa-dev libxml2-utils xsltproc unzip m4 bc gnutls-bin python3.8 python3-pip ruby

./build.sh --product-name rk3568 --ccache --build-target=要编译的部件名 --target-cpu arm64#其中：--product-name rk3568 指定产品名为rk3568 #其中：--ccache              编译使用ccache#其中：--target-cpu arm64    编译构建64位系统

./build.sh --product-name rk3568 --ccache --build-target=zlib

import("//build/ohos.gni")  
config("speexdsp_nowarn_config"){    cflags = [         "-Wno-implicit-function-declaration",         "-Wno-pointer-sign",         "-Wno-unused-variable",    ]}
config("speexdsp_cflag_config"){    cflags = [         "-g",         "-O2",         "-fvisibility=hidden",         "-DHAVE_CONFIG_H",
    ]    ldflags = [         "-lm"    ]}
ohos_shared_library("speexdsp_share") {    sources = [         "libspeexdsp/preprocess.c",         "libspeexdsp/jitter.c",         "libspeexdsp/mdf.c",         "libspeexdsp/fftwrap.c",         "libspeexdsp/filterbank.c",         "libspeexdsp/resample.c",         "libspeexdsp/buffer.c",         "libspeexdsp/scal.c",         "libspeexdsp/smallft.c",         ]             defines = [        "NL_DEBUG",        "speexdsp_EXPORTS",    ]        configs = [          ":speexdsp_cflag_config",          ":speexdsp_nowarn_config"    ]     include_dirs = [         ".",         "libspeexdsp",         "include"    ]    part_name = "speexdsp"}

import("//build/ohos.gni") 

import("//build/config/sanitizers/sanitizers.gni")import("//build/ohos/ndk/ndk.gni")import("//build/ohos/notice/notice.gni")import("//build/ohos/sa_profile/sa_profile.gni")import("//build/ohos_var.gni")import("//build/toolchain/toolchain.gni")
# import cxx base templatesimport("//build/templates/cxx/cxx.gni")if (support_jsapi) {  import("//build/ohos/ace/ace.gni")  import("//build/ohos/app/app.gni")}
import("//build/templates/common/ohos_templates.gni")
# import prebuilt templatesimport("//build/templates/cxx/prebuilt.gni")

config("speexdsp_nowarn_config"){    cflags = [         "-Wno-implicit-function-declaration",         "-Wno-pointer-sign",         "-Wno-unused-variable",    ]}

config("speexdsp_cflag_config"){    cflags = [         "-g",         "-O2",         "-fvisibility=hidden",         "-DHAVE_CONFIG_H",
    ]    ldflags = [         "-lm"    ]}

ohos_shared_library("speexdsp_share") {    sources = [         "libspeexdsp/preprocess.c",         "libspeexdsp/jitter.c",         "libspeexdsp/mdf.c",         "libspeexdsp/fftwrap.c",         "libspeexdsp/filterbank.c",         "libspeexdsp/resample.c",         "libspeexdsp/buffer.c",         "libspeexdsp/scal.c",         "libspeexdsp/smallft.c",         ]             defines = [        "NL_DEBUG",        "speexdsp_EXPORTS",    ]        configs = [          ":speexdsp_cflag_config",          ":speexdsp_nowarn_config"    ]     include_dirs = [         ".",         "libspeexdsp",         "include"    ]    part_name = "speexdsp"}

import("//build/ohos.gni")
config("test_nowarn_config"){    cflags = [         "-Wno-sign-compare",         "-Wno-pointer-sign"    ]}

config("speexdsp_cflag_config") {    ldflags = [ "-lm" ]    cflags_cc = [         "-g",         "-O2",         "-fvisibility=hidden",    ]}

config("speexdsp_config") {    include_dirs = [         "//third_party/speexdsp/include"     ]}

ohos_executable("testdenoise"){    public_configs = [           ":speexdsp_config",          ":test_nowarn_config"    ]    sources = [         "testdenoise.c"    ]    configs = [         ":speexdsp_cflag_config",
    ]        deps = [         "//third_party/speexdsp:speexdsp_share"    ]        part_name = "speexdsp"}
ohos_executable("testecho"){    public_configs = [           ":speexdsp_config",          ":test_nowarn_config"    ]    sources = [         "testecho.c"    ]        configs = [         ":speexdsp_cflag_config"    ]        deps = [         "//third_party/speexdsp:speexdsp_share"    ]        part_name = "speexdsp"}
ohos_executable("testjitter"){    public_configs = [           ":speexdsp_config",          ":test_nowarn_config"    ]    sources = [         "testjitter.c"    ]        configs = [         ":speexdsp_cflag_config"    ]        deps = [         "//third_party/speexdsp:speexdsp_share"    ]        part_name = "speexdsp"}
ohos_executable("testresample"){    public_configs = [           ":speexdsp_config",          ":test_nowarn_config"    ]    sources = [         "testresample.c"    ]        configs = [         ":speexdsp_cflag_config"    ]        deps = [         "//third_party/speexdsp:speexdsp_share"    ]        part_name = "speexdsp"}
ohos_executable("testresample2"){     public_configs = [           ":speexdsp_config",          ":test_nowarn_config"    ]    sources = [         "testresample2.c"    ]        configs = [         ":speexdsp_cflag_config"    ]        deps = [         "//third_party/speexdsp:speexdsp_share"    ]    part_name = "speexdsp"    }

  "subsystem": "speexdsp",  "parts": {    "speexdsp": {      "module_list": [        "//third_party/speexdsp/libspeexdsp:testdenoise",        "//third_party/speexdsp/libspeexdsp:testecho",        "//third_party/speexdsp/libspeexdsp:testjitter",        "//third_party/speexdsp/libspeexdsp:testresample",        "//third_party/speexdsp/libspeexdsp:testresample2"      ],      "inner_kits": [              ],      "system_kits": [      ],      "test_list": [      ]    }  }}

 "speexdsp": {    "path": "third_party/speexdsp",    "name": "speexdsp"  },

{      "subsystem": "speexdsp",      "components": [        {          "component": "speexdsp",          "features": []        }      ]    },

jiajiahao@ubuntu:~/Desktop/OpenHarmony/sources/prebuilts/build-tools/linux-x86/bin$ ./gn --help
Commands (type "gn help <command>" for more help):  analyze: Analyze which targets are affected by a list of files.  args: Display or configure arguments declared by the build.  check: Check header dependencies.  clean: Cleans the output directory.  desc: Show lots of insightful information about a target or config.  format: Format .gn files.  gen: Generate ninja files.  help: Does what you think.  ls: List matching targets.  meta: List target metadata collection results.  path: Find paths between two targets.  refs: Find stuff referencing a target or file.
Target declarations (type "gn help <function>" for more help):  action: Declare a target that runs a script a single time.  action_foreach: Declare a target that runs a script over a set of files.  bundle_data: [iOS/macOS] Declare a target without output.  copy: Declare a target that copies files.  create_bundle: [iOS/macOS] Build an iOS or macOS bundle.  executable: Declare an executable target.  generated_file: Declare a generated_file target.  group: Declare a named group of targets.  loadable_module: Declare a loadable module target.  rust_library: Declare a Rust library target.  rust_proc_macro: Declare a Rust procedural macro target.  shared_library: Declare a shared library target.  source_set: Declare a source set target.  static_library: Declare a static library target.  target: Declare an target with the given programmatic type.
Buildfile functions (type "gn help <function>" for more help):  assert: Assert an expression is true at generation time.  config: Defines a configuration object.  declare_args: Declare build arguments.  defined: Returns whether an identifier is defined.  exec_script: Synchronously run a script and return the output.  foreach: Iterate over a list.  forward_variables_from: Copies variables from a different scope.  get_label_info: Get an attribute from a target's label.  get_path_info: Extract parts of a file or directory name.  get_target_outputs: [file list] Get the list of outputs from a target.  getenv: Get an environment variable.  import: Import a file into the current scope.  not_needed: Mark variables from scope as not needed.  pool: Defines a pool object.  print: Prints to the console.  process_file_template: Do template expansion over a list of files.  read_file: Read a file into a variable.  rebase_path: Rebase a file or directory to another location.  set_default_toolchain: Sets the default toolchain name.  set_defaults: Set default values for a target type.  set_sources_assignment_filter: Set a pattern to filter source files.  split_list: Splits a list into N different sub-lists.  string_join: Concatenates a list of strings with a separator.  string_replace: Replaces substring in the given string.  string_split: Split string into a list of strings.  template: Define a template rule.  tool: Specify arguments to a toolchain tool.  toolchain: Defines a toolchain.  write_file: Write a file to disk.
Built-in predefined variables (type "gn help <variable>" for more help):  current_cpu: [string] The processor architecture of the current toolchain.  current_os: [string] The operating system of the current toolchain.  current_toolchain: [string] Label of the current toolchain.  default_toolchain: [string] Label of the default toolchain.  gn_version: [number] The version of gn.  host_cpu: [string] The processor architecture that GN is running on.  host_os: [string] The operating system that GN is running on.  invoker: [string] The invoking scope inside a template.  python_path: [string] Absolute path of Python.  root_build_dir: [string] Directory where build commands are run.  root_gen_dir: [string] Directory for the toolchain's generated files.  root_out_dir: [string] Root directory for toolchain output files.  target_cpu: [string] The desired cpu architecture for the build.  target_gen_dir: [string] Directory for a target's generated files.  target_name: [string] The name of the current target.  target_os: [string] The desired operating system for the build.  target_out_dir: [string] Directory for target output files.
Variables you set in targets (type "gn help <variable>" for more help):  aliased_deps: [scope] Set of crate-dependency pairs.  all_dependent_configs: [label list] Configs to be forced on dependents.  allow_circular_includes_from: [label list] Permit includes from deps.  arflags: [string list] Arguments passed to static_library archiver.  args: [string list] Arguments passed to an action.  asmflags: [string list] Flags passed to the assembler.  assert_no_deps: [label pattern list] Ensure no deps on these targets.  bundle_contents_dir: Expansion of {{bundle_contents_dir}} in create_bundle.  bundle_deps_filter: [label list] A list of labels that are filtered out.  bundle_executable_dir: Expansion of {{bundle_executable_dir}} in create_bundle  bundle_resources_dir: Expansion of {{bundle_resources_dir}} in create_bundle.  bundle_root_dir: Expansion of {{bundle_root_dir}} in create_bundle.  cflags: [string list] Flags passed to all C compiler variants.  cflags_c: [string list] Flags passed to the C compiler.  cflags_cc: [string list] Flags passed to the C++ compiler.  cflags_objc: [string list] Flags passed to the Objective C compiler.  cflags_objcc: [string list] Flags passed to the Objective C++ compiler.  check_includes: [boolean] Controls whether a target's files are checked.  code_signing_args: [string list] Arguments passed to code signing script.  code_signing_outputs: [file list] Output files for code signing step.  code_signing_script: [file name] Script for code signing.  code_signing_sources: [file list] Sources for code signing step.  complete_static_lib: [boolean] Links all deps into a static library.  configs: [label list] Configs applying to this target or config.  contents: Contents to write to file.  crate_name: [string] The name for the compiled crate.  crate_root: [string] The root source file for a binary or library.  crate_type: [string] The type of linkage to use on a shared_library.  data: [file list] Runtime data file dependencies.  data_deps: [label list] Non-linked dependencies.  data_keys: [string list] Keys from which to collect metadata.  defines: [string list] C preprocessor defines.  depfile: [string] File name for input dependencies for actions.  deps: [label list] Private linked dependencies.  externs: [scope] Set of Rust crate-dependency pairs.  framework_dirs: [directory list] Additional framework search directories.  frameworks: [name list] Name of frameworks that must be linked.  friend: [label pattern list] Allow targets to include private headers.  include_dirs: [directory list] Additional include directories.  inputs: [file list] Additional compile-time dependencies.  ldflags: [string list] Flags passed to the linker.  lib_dirs: [directory list] Additional library directories.  libs: [string list] Additional libraries to link.  metadata: [scope] Metadata of this target.  output_conversion: Data format for generated_file targets.  output_dir: [directory] Directory to put output file in.  output_extension: [string] Value to use for the output's file extension.  output_name: [string] Name for the output file other than the default.  output_prefix_override: [boolean] Don't use prefix for output name.  outputs: [file list] Output files for actions and copy targets.  partial_info_plist: [filename] Path plist from asset catalog compiler.  pool: [string] Label of the pool used by the action.  precompiled_header: [string] Header file to precompile.  precompiled_header_type: [string] "gcc" or "msvc".  precompiled_source: [file name] Source file to precompile.  product_type: [string] Product type for Xcode projects.  public: [file list] Declare public header files for a target.  public_configs: [label list] Configs applied to dependents.  public_deps: [label list] Declare public dependencies.  rebase: [boolean] Rebase collected metadata as files.  response_file_contents: [string list] Contents of .rsp file for actions.  script: [file name] Script file for actions.  sources: [file list] Source files for a target.  testonly: [boolean] Declares a target must only be used for testing.  visibility: [label list] A list of labels that can depend on a target.  walk_keys: [string list] Key(s) for managing the metadata collection walk.  write_runtime_deps: Writes the target's runtime_deps to the given path.  xcode_extra_attributes: [scope] Extra attributes for Xcode projects.  xcode_test_application_name: [string] Name for Xcode test target.
Other help topics:  all: Print all the help at once  buildargs: How build arguments work.  dotfile: Info about the toplevel .gn file.  execution: Build graph and execution overview.  grammar: Language and grammar for GN build files.  input_conversion: Processing input from exec_script and read_file.  label_pattern: Matching more than one label.  labels: About labels.  metadata_collection: About metadata and its collection.  ninja_rules: How Ninja build rules are named.  nogncheck: Annotating includes for checking.  output_conversion: Specifies how to transform a value to output.  runtime_deps: How runtime dependency computation works.  source_expansion: Map sources to outputs for scripts.  switches: Show available command-line switches.

jiajiahao@ubuntu:~/Desktop/OpenHarmony/sources/prebuilts/build-tools/linux-x86/bin$ ./ninja --helpusage: ninja [options] [targets...]
if targets are unspecified, builds the 'default' target (see manual).
options:  --version      print ninja version ("1.10.1")  -v, --verbose  show all command lines while building
  -C DIR   change to DIR before doing anything else  -f FILE  specify input build file [default=build.ninja]
  -j N     run N jobs in parallel (0 means infinity) [default=18 on this system]  -k N     keep going until N jobs fail (0 means infinity) [default=1]  -l N     do not start new jobs if the load average is greater than N  -n       dry run (don't run commands but act like they succeeded)
  -d MODE  enable debugging (use '-d list' to list modes)  -t TOOL  run a subtool (use '-t list' to list subtools)    terminates toplevel options; further flags are passed to the tool  -w FLAG  adjust warnings (use '-w list' to list warnings)

  import("//build/ohos.gni")  ohos_shared_library("module1") {    ……    part_name = "part1"   # 必选，所属部件名称    ……  }

  import("//build/ohos.gni")  ohos_shared_library("module2") {    ……    deps = [      "module1的gn target",    ……   ]                        # 部件内模块依赖  part_name = "part1"       # 必选，所属部件名称  }

  import("//build/ohos.gni")  ohos_shared_library("module1") {    ……    part_name = "part1"   # 必选，所属部件名称    ……  }

  import("//build/ohos.gni")  ohos_shared_library("module2") {    ……    external_deps = [      "part1:module1",    ……    ]                      # 部件间模块依赖，这里依赖的模块必须是依赖的部件声明在inner_kits中的模块    part_name = "part2"    # 必选，所属部件名称  }