122 lines
3.7 KiB
Plaintext
122 lines
3.7 KiB
Plaintext
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import("//build/config.gni")
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template("kernel_module") {
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build_gn = rebase_path("BUILD.gn")
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# 如果只存在一个kernel_module,则auto_config=true
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cmd = "grep -c '^\s*\(kernel_module\|hdf_driver\)\s*(\s*\S*\s*)\s*{\s*\$' $build_gn"
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modules_count = exec_script("//build/python_scripts/run_shell_cmd.py", [ cmd ], "value")
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if (modules_count == 1) {
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auto_config = true
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}
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# 如果不存在config("public")或者module_group,则创建config("public")
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cmd = "if grep -q '^\s*\(config\s*(\s*\"public\"\s*)\|module_group\s*(\s*\"\S*\"\s*)\)\s*{\s*\$' $build_gn; then echo true; else echo false; fi"
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has_public_config =
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exec_script("//build/python_scripts/run_shell_cmd.py", [ cmd ], "value")
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if (!has_public_config && defined(auto_config)) {
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config("public") {
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configs = []
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}
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}
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# 如果不存在module_group或group,则建立group
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# 如果用其他名称创建module，则自动生成一个以目录名称命名的module
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current_dir_name = get_path_info(rebase_path("."), "file")
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if (target_name != current_dir_name) {
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cmd = "if grep -q '^\s*\(module_group\|group\)\s*(\s*\"$current_dir_name\"\s*)\s*{\s*\$' $build_gn; then echo true; else echo false; fi"
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has_current_dir_group =
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exec_script("//build/python_scripts/run_shell_cmd.py", [ cmd ], "value")
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if (!has_current_dir_group && defined(auto_config)) {
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module_name = target_name
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group(current_dir_name) {
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public_deps = [ ":$module_name" ]
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}
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}
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}
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if (defined(invoker.module_switch) && !invoker.module_switch) {
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group(target_name) {
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not_needed(invoker, "*")
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}
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} else {
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source_set(target_name) {
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public_configs = []
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forward_variables_from(invoker, "*", [ "configs" ])
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configs += invoker.configs
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if (has_public_config) {
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included_public_config = false
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foreach(cfg, public_configs) {
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what = "label_no_toolchain"
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if (get_label_info(cfg, what) == get_label_info(":public", what)) {
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included_public_config = true
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} else {
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}
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}
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if (!included_public_config) {
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public_configs += [ ":public" ]
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}
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}
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# 自动把src_files.txt 中的文件添加进来
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src=exec_script("//build/python_scripts/read_files.py",[rebase_path("."),"src_files.txt","src"],"string")
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source_list=string_split(src)
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sources+=source_list
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inc=exec_script("//build/python_scripts/read_files.py",[rebase_path("."),"src_files.txt","inc"],"string")
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inc_list=string_split(inc)
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include_dirs+=inc_list
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}
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}
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not_needed([ "auto_config" ])
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}
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template("config") {
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config(target_name) {
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# 如果定义了module_switch 并且 module_switch为false 并且 配置名称为 "public"
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if (defined(invoker.module_switch) && !invoker.module_switch &&
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target_name == "public") {
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# 忽略调用者的所有变量，定义任意变量不会导致错误
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not_needed(invoker, "*")
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# 将调用者的 configs 变量复制到当前
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forward_variables_from(invoker, [ "configs" ])
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} else {
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forward_variables_from(invoker, "*")
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}
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}
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}
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template("module_group") {
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assert(defined(invoker.modules), "modules are must")
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group(target_name) {
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deps = []
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foreach(m, invoker.modules) {
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deps += [ m ]
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}
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if (defined(invoker.deps)) {
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deps += invoker.deps
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}
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}
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config("public") {
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configs = []
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foreach(m, invoker.modules) {
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configs += [ "$m:public" ]
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}
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if (defined(invoker.configs)) {
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configs += invoker.configs
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}
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}
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}
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# 使用这个模板时的默认配置
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set_defaults("kernel_module"){
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configs = [
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# 把这个目录的配置设置为公共配置
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"//ap:public"
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]
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}
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