kunlun/build/toolchain/gcc.gni

# Copyright (c) 2020 Huawei Device Co., Ltd.
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

# invoker是调用者 应用调用者的变量
template("gcc_toolchain") {
  toolchain(target_name) {
    assert(defined(invoker.ar), "gcc toolchain must specify a \"ar\" value")
    assert(defined(invoker.cc), "gcc toolchain must specify a \"cc\" value")
    assert(defined(invoker.cxx), "gcc toolchain must specify a \"cxx\" value")
    assert(defined(invoker.ld), "gcc toolchain must specify a \"ld\" value")

    cc = invoker.cc
    cxx = invoker.cxx
    ar = invoker.ar
    ld = invoker.ld

    need_strip = false
    if (defined(invoker.strip)) {
      strip = invoker.strip
      need_strip = true
    }

    if (defined(invoker.extra_ldflags) && invoker.extra_ldflags != "") {
      extra_ldflags = " " + invoker.extra_ldflags
    } else {
      extra_ldflags = ""
    }

    tool("cc") {
      command = "$cc {{defines}} {{include_dirs}} {{cflags}} {{cflags_c}} -c {{source}} -o {{output}}"
      depsformat = "gcc"
      description = "gcc cross compiler {{output}}"
      outputs =
          [ "{{source_out_dir}}/{{target_output_name}}.{{source_name_part}}.o" ]
    }
    tool("cxx") {
      depfile = "{{output}}.d"
      command = "$cxx {{defines}} {{include_dirs}} {{cflags_cc}} -c {{source}} -o {{output}}"
      depsformat = "gcc"
      description = "gcc CXX {{output}}"
      outputs =
          [ "{{source_out_dir}}/{{target_output_name}}.{{source_name_part}}.o" ]
    }
    tool("asm") {
      depfile = "{{output}}.d"
      command = "$cc {{defines}} {{include_dirs}} {{asmflags}} {{source}} -c -o {{output}}"
      depsformat = "gcc"
      description = "gcc cross compiler {{output}}"
      outputs =
          [ "{{source_out_dir}}/{{target_output_name}}.{{source_name_part}}.o" ]
    }
    tool("alink") {
      outfile = "{{output_dir}}/{{target_output_name}}{{output_extension}}"
      rspfile = "{{output}}.rsp"
      rspfile_content = "{{inputs}}"
      command = "$ar cr {{output}} @\"$rspfile\""

      description = "AR {{output}}"
      outputs = [ outfile ]

      default_output_dir = "{{root_out_dir}}/libs"
      default_output_extension = ".a"
      output_prefix = "lib"
    }
    tool("solink") {
      outfile = "{{output_dir}}/{{target_output_name}}{{output_extension}}"
      unstripped_outfile = outfile

      rspfile = "$outfile.rsp"
      rspfile_content = "{{inputs}}"
      command = ""
      if (need_strip) {
        unstripped_outfile = "{{output_dir}}/unstripped/usr/lib/{{target_output_name}}{{output_extension}}"
      }
      command += "$ld -shared {{ldflags}} $extra_ldflags " + "-Wl,--start-group {{inputs}} {{libs}} -Wl,--end-group -o $unstripped_outfile"
      if (need_strip) {
        command += " && $strip \"$unstripped_outfile\" -o \"$outfile\""
      }
      description = "SOLINK $outfile"
      outputs = [ outfile ]
      if (unstripped_outfile != outfile) {
        outputs += [ unstripped_outfile ]
      }
      default_output_dir = "{{root_out_dir}}"
      default_output_extension = ".so"
      output_prefix = "lib"
    }
    tool("link") {
      outfile = "{{output_dir}}/bin/{{target_output_name}}{{output_extension}}"
      unstripped_outfile = outfile

      rspfile = "$outfile.rsp"
      command = ""
      if (need_strip) {
        unstripped_outfile = "{{output_dir}}/unstripped/bin/{{target_output_name}}{{output_extension}}"
      }
      command += "$ld {{ldflags}} $extra_ldflags " + "-Wl,--start-group {{inputs}} {{libs}} -Wl,--end-group -o $unstripped_outfile "
      if (need_strip) {
        command += " && $strip \"$unstripped_outfile\" -o \"$outfile\""
      }

      description = "LINK $outfile"
      default_output_dir = "{{root_out_dir}}"
      rspfile_content = "{{inputs}}"
      outputs = [ outfile ]
      if (unstripped_outfile != outfile) {
        outputs += [ unstripped_outfile ]
      }
    }
    tool("stamp") {
      if (host_os == "win") {
        command = "cmd /c type nul > \"{{output}}\""
      } else {
        command = "/usr/bin/touch {{output}}"
      }
      description = "STAMP {{output}}"
    }
    tool("copy") {
      if (host_os == "win") {
        command = "python $ohos_root_path/build/lite/copy_files.py --src_type=file --src={{source}} --dest_dir={{output}}"
      } else if (host_os == "linux") {
        command = "cp -afd {{source}} {{output}}"
      }
      description = "COPY {{source}} {{output}}"
    }
  }
}