fix gitignoer for build dir

.gitignore

@@ -1,4 +1,5 @@
-build/
+/build/
 downloads/
 sstate-cache/
 .vscode/
+/src/kernel/linux/v4.4/tools/build/

prebuilt/bsp/trustzone/mtee/build/yocto_build/README

@@ -0,0 +1 @@
+../../../README

src/bsp/trustzone/mtee/build/oe-logs

@@ -0,0 +1 @@
+/home/hx/mtk8516/mt8516_avs_share-master/build/tmp/work/aud8516p1v2_consys_slc_128-poky-linux/tee-mtee/1.0-r0/temp

src/bsp/trustzone/mtee/build/oe-workdir

@@ -0,0 +1 @@
+/home/hx/mtk8516/mt8516_avs_share-master/build/tmp/work/aud8516p1v2_consys_slc_128-poky-linux/tee-mtee/1.0-r0

src/bsp/trustzone/mtee/build/yocto_build/README

@@ -0,0 +1,2 @@
+The "tz" directory is intended for Mediatek solution TrustZone.
+

src/connectivity/bt_others/bluetooth_mw/non_rpc_test/build/BUILD.gn

@@ -0,0 +1,108 @@
+#
+#  Copyright (C) 2015 Google, Inc.
+#
+#  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.
+#
+
+declare_args() {
+    mw_config_path = ""
+    mw_include_path = ""
+    mw_alsa_inc_path = ""
+    asound_inc_path = ""
+    mw_alsa_uploader_inc_path = ""
+    bt_sys_log_flag = ""
+    bt_tmp_path = ""
+    bt_misc_path = ""
+    bt_etc_path = ""
+    bt_backtrace = ""
+    rpc_dbg_flag = ""
+    libbt_playback_link = ""
+    libbt_uploader_link = ""
+}
+
+assert(mw_config_path != "", "mw_config_path build argument wasn't provided.")
+assert(mw_include_path != "", "mw_include_path build argument wasn't provided.")
+assert(mw_alsa_inc_path != "", "mw_alsa_inc_path build argument wasn't provided.")
+assert(mw_alsa_uploader_inc_path != "", "mw_alsa_uploader_inc_path build argument wasn't provided.")
+assert(bt_tmp_path != "", "bt_tmp_path build argument wasn't provided.")
+assert(bt_misc_path != "", "bt_misc_path build argument wasn't provided.")
+assert(bt_etc_path != "", "bt_etc_path build argument wasn't provided.")
+
+
+config("default_include_dirs") {
+  # TODO(armansito): Remove "core_include_path" once the cutils includes have
+  # been removed.
+  assert(mw_config_path != "",
+         "mw_config_path build argument wasn't provided.")
+  assert(mw_include_path != "",
+         "mw_include_path build argument wasn't provided.")
+
+  include_dirs = [
+    mw_config_path,
+    mw_include_path,
+    mw_alsa_uploader_inc_path,
+    mw_alsa_inc_path,
+    asound_inc_path,
+  ]
+}
+
+config("linux") {
+  # TODO(keybuk): AndroidConfig.h or equivalent
+
+  cflags = [
+    "-Wall",
+    #"-Werror",
+    "-g",
+    "-Os",
+    "-fpic",
+    "-fdata-sections",
+    "-ffunction-sections",
+    "-fvisibility=hidden",
+    bt_sys_log_flag,
+  ]
+
+  cflags_c = [ "-std=c99" ]
+
+  cflags_cc = [
+#TODO(jpawlowski): we should use same c++ version as Android, which is c++11,
+# but we use some c++14 features. Uncomment when this get fixed in code.:
+    "-std=c++1y",
+    "-fno-exceptions",
+  ]
+
+  defines = [
+#    "_FORTIFY_SOURCE=2",
+    "_GNU_SOURCE",
+    "HAS_NO_BDROID_BUILDCFG",
+    "LOG_NDEBUG=1",
+    "EXPORT_SYMBOL=__attribute__((visibility(\"default\")))",
+    "KERNEL_MISSING_CLOCK_BOOTTIME_ALARM=TRUE",
+
+    # This is a macro to that can be used by source code to detect if the
+    # current build is done by GN or via Android.mk. This is a temporary
+    # workaround until we can remove all Android-specific dependencies.
+    "OS_GENERIC",
+
+    "BT_TMP_PATH=\"$bt_tmp_path/\"",
+    "BT_MISC_PATH=\"$bt_misc_path/\"",
+    "BT_ETC_PATH=\"$bt_etc_path/\"",
+  ]
+}
+
+config("pic") {
+  cflags = [ "-fPIC" ]
+}
+
+config("gc") {
+  ldflags = [ "-Wl,--gc-sections" ]
+}

src/connectivity/bt_others/bluetooth_mw/non_rpc_test/build/config/BUILDCONFIG.gn

@@ -0,0 +1,49 @@
+#
+#  Copyright (C) 2015 Google, Inc.
+#
+#  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.
+#
+
+set_default_toolchain("//build/toolchain/gcc")
+
+set_defaults("executable") {
+  configs = [
+    "//build:linux",
+    "//build:gc",
+    "//build:default_include_dirs",
+  ]
+}
+
+set_defaults("shared_library") {
+  configs = [
+    "//build:linux",
+    "//build:gc",
+    "//build:default_include_dirs",
+  ]
+}
+
+set_defaults("source_set") {
+  configs = [
+    "//build:linux",
+    "//build:gc",
+    "//build:default_include_dirs",
+  ]
+}
+
+set_defaults("static_library") {
+  configs = [
+    "//build:linux",
+    "//build:gc",
+    "//build:default_include_dirs",
+  ]
+}

src/connectivity/bt_others/bluetooth_mw/non_rpc_test/build/toolchain/gcc/BUILD.gn

@@ -0,0 +1,108 @@
+#
+#  Copyright (C) 2015 Google, Inc.
+#
+#  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.
+#
+
+declare_args() {
+    libbt_mw_path = ""
+    external_libs_path = ""
+    cc = ""
+    cxx = ""
+}
+
+assert(libbt_mw_path != "", "libbt_mw_path build argument wasn't provided.")
+assert(external_libs_path != "", "external_libs_path build argument wasn't provided.")
+assert(cc != "", "cc build argument wasn't provided.")
+assert(cxx != "", "cxx build argument wasn't provided.")
+
+toolchain("gcc") {
+  tool("cc") {
+    depfile = "{{output}}.d"
+    command = "$cc -MMD -MF $depfile {{defines}} {{include_dirs}} {{cflags}} {{cflags_c}} -c {{source}} -o {{output}}"
+    depsformat = "gcc"
+    description = "CC {{output}}"
+    outputs = [
+      "{{source_out_dir}}/{{target_output_name}}.{{source_name_part}}.o",
+    ]
+  }
+
+  tool("cxx") {
+    depfile = "{{output}}.d"
+    command = "$cxx -MMD -MF $depfile {{defines}} {{include_dirs}} {{cflags}} {{cflags_cc}} -c {{source}} -o {{output}}"
+    depsformat = "gcc"
+    description = "CXX {{output}}"
+    outputs = [
+      "{{source_out_dir}}/{{target_output_name}}.{{source_name_part}}.o",
+    ]
+  }
+
+  tool("alink") {
+    rspfile = "{{output}}.rsp"
+    command = "rm -f {{output}} && ar rcs {{output}} @$rspfile"
+    description = "AR {{target_output_name}}{{output_extension}}"
+    rspfile_content = "{{inputs}}"
+    outputs = [
+      "{{target_out_dir}}/{{target_output_name}}{{output_extension}}",
+    ]
+    default_output_extension = ".a"
+
+    output_prefix = "lib"
+  }
+
+  tool("solink") {
+    soname = "{{target_output_name}}{{output_extension}}"  # e.g. "libfoo.so".
+    rspfile = soname + ".rsp"
+
+    command =
+        "$cxx -shared {{ldflags}} -o $soname -Wl,-soname=$soname $libbt_mw_path $external_libs_path @$rspfile"
+    rspfile_content = "-Wl,--whole-archive {{inputs}} {{solibs}} -Wl,--no-whole-archive {{libs}}"
+
+    description = "SOLINK $soname"
+
+    # Use this for {{output_extension}} expansions unless a target manually
+    # overrides it (in which case {{output_extension}} will be what the target
+    # specifies).
+    default_output_extension = ".so"
+
+    outputs = [
+      soname,
+    ]
+    link_output = soname
+    depend_output = soname
+
+    output_prefix = "lib"
+  }
+
+  tool("link") {
+    outfile = "{{target_output_name}}{{output_extension}}"
+    rspfile = "$outfile.rsp"
+    command = "$cxx {{ldflags}} -o $outfile -Wl,--start-group @$rspfile {{solibs}} -Wl,--end-group $libbt_mw_path $external_libs_path {{libs}}"
+
+    description = "LINK $outfile"
+    rspfile_content = "{{inputs}}"
+    outputs = [
+      outfile,
+    ]
+  }
+
+  tool("stamp") {
+    command = "touch {{output}}"
+    description = "STAMP {{output}}"
+  }
+
+  tool("copy") {
+    command = "cp -af {{source}} {{output}}"
+    description = "COPY {{source}} {{output}}"
+  }
+}

src/connectivity/bt_others/bluetooth_mw/playback/build/BUILD.gn

@@ -0,0 +1,106 @@
+#
+#  Copyright (C) 2015 Google, Inc.
+#
+#  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.
+#
+
+declare_args() {
+    mw_inc_path = ""
+    asound_inc_path = ""
+    bt_alsa_flag = ""
+    bt_sys_log_flag = ""
+    bt_tmp_path = ""
+    bt_misc_path = ""
+    bt_etc_path = ""
+    stack_include_path = ""
+    stack_root_path = ""
+}
+
+assert(mw_inc_path != "", "mw_inc_path build argument wasn't provided.")
+assert(asound_inc_path != "", "asound_inc_path build argument wasn't provided.")
+#print(mw_inc_path)
+
+assert(bt_tmp_path != "", "bt_tmp_path build argument wasn't provided.")
+assert(bt_misc_path != "", "bt_misc_path build argument wasn't provided.")
+assert(bt_etc_path != "", "bt_etc_path build argument wasn't provided.")
+assert(stack_include_path != "", "stack_include_path build argument wasn't provided.")
+assert(stack_root_path != "", "stack_include_path build argument wasn't provided.")
+
+#print(asound_inc_path)
+
+config("default_include_dirs") {
+  # TODO(armansito): Remove "core_include_path" once the cutils includes have
+  # been removed.
+  assert(mw_inc_path != "",
+         "mw_inc_path build argument wasn't provided.")
+  assert(asound_inc_path != "",
+         "asound_inc_path build argument wasn't provided.")
+  include_dirs = [
+    mw_inc_path,
+    asound_inc_path,
+    stack_include_path,
+    stack_root_path,
+  ]
+}
+
+config("linux") {
+  # TODO(keybuk): AndroidConfig.h or equivalent
+
+  cflags = [
+    "-Wall",
+    #"-Werror",
+    "-g",
+    "-Os",
+    "-fpic",
+    "-fdata-sections",
+    "-ffunction-sections",
+    "-fvisibility=hidden",
+    bt_alsa_flag,
+    bt_sys_log_flag,
+  ]
+
+  cflags_c = [ "-std=c99" ]
+
+  cflags_cc = [
+#TODO(jpawlowski): we should use same c++ version as Android, which is c++11,
+# but we use some c++14 features. Uncomment when this get fixed in code.:
+    "-std=c++1y",
+    "-fno-exceptions",
+  ]
+
+  defines = [
+    "_FORTIFY_SOURCE=2",
+    "_GNU_SOURCE",
+    "HAS_NO_BDROID_BUILDCFG",
+    "LOG_NDEBUG=1",
+    "EXPORT_SYMBOL=__attribute__((visibility(\"default\")))",
+    "KERNEL_MISSING_CLOCK_BOOTTIME_ALARM=TRUE",
+
+    # This is a macro to that can be used by source code to detect if the
+    # current build is done by GN or via Android.mk. This is a temporary
+    # workaround until we can remove all Android-specific dependencies.
+    "OS_GENERIC",
+
+    "BT_TMP_PATH=\"$bt_tmp_path/\"",
+    "BT_MISC_PATH=\"$bt_misc_path/\"",
+    "BT_ETC_PATH=\"$bt_etc_path/\"",
+  ]
+}
+
+config("pic") {
+  cflags = [ "-fPIC" ]
+}
+
+config("gc") {
+  ldflags = [ "-Wl,--gc-sections" ]
+}

src/connectivity/bt_others/bluetooth_mw/playback/build/config/BUILDCONFIG.gn

@@ -0,0 +1,49 @@
+#
+#  Copyright (C) 2015 Google, Inc.
+#
+#  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.
+#
+
+set_default_toolchain("//build/toolchain/gcc")
+
+set_defaults("executable") {
+  configs = [
+    "//build:linux",
+    "//build:gc",
+    "//build:default_include_dirs",
+  ]
+}
+
+set_defaults("shared_library") {
+  configs = [
+    "//build:linux",
+    "//build:gc",
+    "//build:default_include_dirs",
+  ]
+}
+
+set_defaults("source_set") {
+  configs = [
+    "//build:linux",
+    "//build:gc",
+    "//build:default_include_dirs",
+  ]
+}
+
+set_defaults("static_library") {
+  configs = [
+    "//build:linux",
+    "//build:gc",
+    "//build:default_include_dirs",
+  ]
+}

src/connectivity/bt_others/bluetooth_mw/playback/build/toolchain/gcc/BUILD.gn

@@ -0,0 +1,108 @@
+#
+#  Copyright (C) 2015 Google, Inc.
+#
+#  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.
+#
+
+declare_args() {
+    libasound_path = ""
+    bluedroid_libs_path = ""
+    cc = ""
+    cxx = ""
+}
+
+assert(libasound_path != "", "libasound_path build argument wasn't provided.")
+assert(bluedroid_libs_path != "", "bluedroid_libs_path build argument wasn't provided.")
+assert(cc != "", "cc build argument wasn't provided.")
+assert(cxx != "", "cxx build argument wasn't provided.")
+
+toolchain("gcc") {
+  tool("cc") {
+    depfile = "{{output}}.d"
+    command = "$cc -MMD -MF $depfile {{defines}} {{include_dirs}} {{cflags}} {{cflags_c}} -c {{source}} -o {{output}}"
+    depsformat = "gcc"
+    description = "CC {{output}}"
+    outputs = [
+      "{{source_out_dir}}/{{target_output_name}}.{{source_name_part}}.o",
+    ]
+  }
+
+  tool("cxx") {
+    depfile = "{{output}}.d"
+    command = "$cxx -MMD -MF $depfile {{defines}} {{include_dirs}} {{cflags}} {{cflags_cc}} -c {{source}} -o {{output}}"
+    depsformat = "gcc"
+    description = "CXX {{output}}"
+    outputs = [
+      "{{source_out_dir}}/{{target_output_name}}.{{source_name_part}}.o",
+    ]
+  }
+
+  tool("alink") {
+    rspfile = "{{output}}.rsp"
+    command = "rm -f {{output}} && ar rcs {{output}} @$rspfile"
+    description = "AR {{target_output_name}}{{output_extension}}"
+    rspfile_content = "{{inputs}}"
+    outputs = [
+      "{{target_out_dir}}/{{target_output_name}}{{output_extension}}",
+    ]
+    default_output_extension = ".a"
+
+    output_prefix = "lib"
+  }
+
+  tool("solink") {
+    soname = "{{target_output_name}}{{output_extension}}"  # e.g. "libfoo.so".
+    rspfile = soname + ".rsp"
+
+    command =
+        "$cxx -shared {{ldflags}} -o $soname -Wl,-soname=$soname $libasound_path $bluedroid_libs_path @$rspfile"
+    rspfile_content = "-Wl,--whole-archive {{inputs}} {{solibs}} -Wl,--no-whole-archive {{libs}}"
+
+    description = "SOLINK $soname"
+
+    # Use this for {{output_extension}} expansions unless a target manually
+    # overrides it (in which case {{output_extension}} will be what the target
+    # specifies).
+    default_output_extension = ".so"
+
+    outputs = [
+      soname,
+    ]
+    link_output = soname
+    depend_output = soname
+
+    output_prefix = "lib"
+  }
+
+  tool("link") {
+    outfile = "{{target_output_name}}{{output_extension}}"
+    rspfile = "$outfile.rsp"
+    command = "$cxx {{ldflags}} -o $outfile -Wl,--start-group @$rspfile {{solibs}} -Wl,--end-group  {{libs}}"
+
+    description = "LINK $outfile"
+    rspfile_content = "{{inputs}}"
+    outputs = [
+      outfile,
+    ]
+  }
+
+  tool("stamp") {
+    command = "touch {{output}}"
+    description = "STAMP {{output}}"
+  }
+
+  tool("copy") {
+    command = "cp -af {{source}} {{output}}"
+    description = "COPY {{source}} {{output}}"
+  }
+}

src/connectivity/bt_others/bluetooth_mw/rpc/build/BUILD.gn

@@ -0,0 +1,109 @@
+#
+#  Copyright (C) 2015 Google, Inc.
+#
+#  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.
+#
+
+declare_args() {
+    mw_config_path = ""
+    mw_include_path = ""
+    mw_alsa_inc_path = ""
+    mw_alsa_uploader_inc_path = ""
+    bt_sys_log_flag = ""
+    bt_tmp_path = ""
+    bt_misc_path = ""
+    bt_etc_path = ""
+    bt_backtrace = ""
+    rpc_dbg_flag = ""
+    libbt_playback_link = ""
+    libbt_uploader_link = ""
+}
+
+assert(mw_config_path != "", "mw_config_path build argument wasn't provided.")
+assert(mw_include_path != "", "mw_include_path build argument wasn't provided.")
+
+assert(bt_tmp_path != "", "bt_tmp_path build argument wasn't provided.")
+assert(bt_misc_path != "", "bt_misc_path build argument wasn't provided.")
+assert(bt_etc_path != "", "bt_etc_path build argument wasn't provided.")
+
+config("default_include_dirs") {
+  # TODO(armansito): Remove "core_include_path" once the cutils includes have
+  # been removed.
+  assert(mw_config_path != "",
+         "mw_config_path build argument wasn't provided.")
+  assert(mw_include_path != "",
+         "mw_include_path build argument wasn't provided.")
+  
+  include_dirs = [
+    mw_config_path,
+    mw_include_path,
+    mw_alsa_inc_path,
+    mw_alsa_uploader_inc_path,
+  ]
+}
+
+config("linux") {
+  # TODO(keybuk): AndroidConfig.h or equivalent
+
+  cflags = [
+    #TODO(jpawlowski): uncomment once we have no warnings on linux build
+    "-Wall",
+    #"-Werror",
+    "-g",
+    "-rdynamic",
+    "-funwind-tables",
+    "-Os",
+    "-fpic",
+    "-fdata-sections",
+    "-ffunction-sections",
+    "-fvisibility=hidden",
+    bt_sys_log_flag,
+    bt_backtrace,
+    rpc_dbg_flag,
+  ]
+
+  cflags_c = [ "-std=c99" ]
+
+  cflags_cc = [
+#TODO(jpawlowski): we should use same c++ version as Android, which is c++11,
+# but we use some c++14 features. Uncomment when this get fixed in code.:
+    "-std=c++1y",
+    "-fno-exceptions",
+  ]
+
+  defines = [
+#    "_FORTIFY_SOURCE=2",
+    "_GNU_SOURCE",
+    "HAS_NO_BDROID_BUILDCFG",
+    "LOG_NDEBUG=1",
+    "EXPORT_SYMBOL=__attribute__((visibility(\"default\")))",
+    "KERNEL_MISSING_CLOCK_BOOTTIME_ALARM=TRUE",
+
+    # This is a macro to that can be used by source code to detect if the
+    # current build is done by GN or via Android.mk. This is a temporary
+    # workaround until we can remove all Android-specific dependencies.
+    "OS_GENERIC",
+
+    "BT_TMP_PATH=\"$bt_tmp_path/\"",
+    "BT_MISC_PATH=\"$bt_misc_path/\"",
+    "BT_ETC_PATH=\"$bt_etc_path/\"",
+  ]
+}
+
+config("pic") {
+  cflags = [ "-fPIC" ]
+}
+
+config("gc") {
+  ldflags = [ "-Wl,--gc-sections" ]
+}

src/connectivity/bt_others/bluetooth_mw/rpc/build/config/BUILDCONFIG.gn

@@ -0,0 +1,49 @@
+#
+#  Copyright (C) 2015 Google, Inc.
+#
+#  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.
+#
+
+set_default_toolchain("//build/toolchain/gcc")
+
+set_defaults("executable") {
+  configs = [
+    "//build:linux",
+    "//build:gc",
+    "//build:default_include_dirs",
+  ]
+}
+
+set_defaults("shared_library") {
+  configs = [
+    "//build:linux",
+    "//build:gc",
+    "//build:default_include_dirs",
+  ]
+}
+
+set_defaults("source_set") {
+  configs = [
+    "//build:linux",
+    "//build:gc",
+    "//build:default_include_dirs",
+  ]
+}
+
+set_defaults("static_library") {
+  configs = [
+    "//build:linux",
+    "//build:gc",
+    "//build:default_include_dirs",
+  ]
+}

src/connectivity/bt_others/bluetooth_mw/rpc/build/toolchain/gcc/BUILD.gn

@@ -0,0 +1,107 @@
+#
+#  Copyright (C) 2015 Google, Inc.
+#
+#  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.
+#
+
+declare_args() {
+    libbt_mw_path = ""
+    libz_path = ""
+    cc = ""
+    cxx = ""
+}
+
+assert(libbt_mw_path != "", "libbt_mw_path build argument wasn't provided.")
+assert(cc != "", "cc build argument wasn't provided.")
+assert(cxx != "", "cxx build argument wasn't provided.")
+
+toolchain("gcc") {
+  tool("cc") {
+    depfile = "{{output}}.d"
+    command = "$cc -MMD -MF $depfile {{defines}} {{include_dirs}} {{cflags}} {{cflags_c}} -c {{source}} -o {{output}}"
+    depsformat = "gcc"
+    description = "CC {{output}}"
+    outputs = [
+      "{{source_out_dir}}/{{target_output_name}}.{{source_name_part}}.o",
+    ]
+  }
+
+  tool("cxx") {
+    depfile = "{{output}}.d"
+    command = "$cxx -MMD -MF $depfile {{defines}} {{include_dirs}} {{cflags}} {{cflags_cc}} -c {{source}} -o {{output}}"
+    depsformat = "gcc"
+    description = "CXX {{output}}"
+    outputs = [
+      "{{source_out_dir}}/{{target_output_name}}.{{source_name_part}}.o",
+    ]
+  }
+
+  tool("alink") {
+    rspfile = "{{output}}.rsp"
+    command = "rm -f {{output}} && ar rcs {{output}} @$rspfile"
+    description = "AR {{target_output_name}}{{output_extension}}"
+    rspfile_content = "{{inputs}}"
+    outputs = [
+      "{{target_out_dir}}/{{target_output_name}}{{output_extension}}",
+    ]
+    default_output_extension = ".a"
+
+    output_prefix = "lib"
+  }
+
+  tool("solink") {
+    soname = "{{target_output_name}}{{output_extension}}"  # e.g. "libfoo.so".
+    rspfile = soname + ".rsp"
+
+    command =
+        "$cxx -shared {{ldflags}} -o $soname -Wl,-soname=$soname @$rspfile"
+    rspfile_content = "-Wl,--whole-archive {{inputs}} {{solibs}} -Wl,--no-whole-archive $libbt_mw_path $libz_path {{libs}}"
+
+    description = "SOLINK $soname"
+
+    # Use this for {{output_extension}} expansions unless a target manually
+    # overrides it (in which case {{output_extension}} will be what the target
+    # specifies).
+    default_output_extension = ".so"
+
+    outputs = [
+      soname,
+    ]
+    link_output = soname
+    depend_output = soname
+
+    output_prefix = "lib"
+  }
+
+  tool("link") {
+    outfile = "{{target_output_name}}{{output_extension}}"
+    rspfile = "$outfile.rsp"
+    command = "$cxx {{ldflags}} -o $outfile -Wl,--start-group @$rspfile {{solibs}} -Wl,--end-group $libbt_mw_path $libz_path {{libs}}"
+
+    description = "LINK $outfile"
+    rspfile_content = "{{inputs}}"
+    outputs = [
+      outfile,
+    ]
+  }
+
+  tool("stamp") {
+    command = "touch {{output}}"
+    description = "STAMP {{output}}"
+  }
+
+  tool("copy") {
+    command = "cp -af {{source}} {{output}}"
+    description = "COPY {{source}} {{output}}"
+  }
+}

src/connectivity/bt_others/bluetooth_mw/rpc_test/build/BUILD.gn

@@ -0,0 +1,103 @@
+#
+#  Copyright (C) 2015 Google, Inc.
+#
+#  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.
+#
+
+declare_args() {
+    mw_include_path = ""
+    mw_config_path = ""
+    mw_alsa_inc_path = ""
+    asound_inc_path = ""
+    mw_alsa_uploader_inc_path = ""
+    mtk_rpc_ipc_inc_path = ""
+    bt_sys_log_flag = ""
+    bt_tmp_path = ""
+    bt_misc_path = ""
+    bt_etc_path = ""
+    libbt_playback_link = ""
+    libbt_uploader_link = ""
+}
+
+
+assert(mw_include_path != "", "mw_include_path build argument wasn't provided.")
+assert(mw_config_path != "", "mw_config_path build argument wasn't provided.")
+
+assert(bt_tmp_path != "", "bt_tmp_path build argument wasn't provided.")
+assert(bt_misc_path != "", "bt_misc_path build argument wasn't provided.")
+assert(bt_etc_path != "", "bt_etc_path build argument wasn't provided.")
+
+config("default_include_dirs") {
+  # TODO(armansito): Remove "core_include_path" once the cutils includes have
+  # been removed.
+  include_dirs = [
+    mw_include_path,
+    mw_config_path,
+    mw_alsa_inc_path,
+    asound_inc_path,
+    mtk_rpc_ipc_inc_path,
+    mw_alsa_uploader_inc_path,
+  ]
+}
+
+config("linux") {
+  # TODO(keybuk): AndroidConfig.h or equivalent
+
+  cflags = [
+    #TODO(jpawlowski): uncomment once we have no warnings on linux build
+    "-Wall",
+    #"-Werror",
+    "-g",
+    "-Os",
+    "-fpic",
+    "-fdata-sections",
+    "-ffunction-sections",
+    "-fvisibility=hidden",
+    bt_sys_log_flag,
+  ]
+
+  cflags_c = [ "-std=c99" ]
+
+  cflags_cc = [
+#TODO(jpawlowski): we should use same c++ version as Android, which is c++11,
+# but we use some c++14 features. Uncomment when this get fixed in code.:
+    "-std=c++1y",
+    "-fno-exceptions",
+  ]
+
+  defines = [
+    "_FORTIFY_SOURCE=2",
+    "_GNU_SOURCE",
+    "HAS_NO_BDROID_BUILDCFG",
+    "LOG_NDEBUG=1",
+    "EXPORT_SYMBOL=__attribute__((visibility(\"default\")))",
+    "KERNEL_MISSING_CLOCK_BOOTTIME_ALARM=TRUE",
+
+    # This is a macro to that can be used by source code to detect if the
+    # current build is done by GN or via Android.mk. This is a temporary
+    # workaround until we can remove all Android-specific dependencies.
+    "OS_GENERIC",
+
+    "BT_TMP_PATH=\"$bt_tmp_path/\"",
+    "BT_MISC_PATH=\"$bt_misc_path/\"",
+    "BT_ETC_PATH=\"$bt_etc_path/\"",
+  ]
+}
+
+config("pic") {
+  cflags = [ "-fPIC" ]
+}
+
+config("gc") {
+  ldflags = [ "-Wl,--gc-sections" ]
+}

src/connectivity/bt_others/bluetooth_mw/rpc_test/build/config/BUILDCONFIG.gn

@@ -0,0 +1,49 @@
+#
+#  Copyright (C) 2015 Google, Inc.
+#
+#  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.
+#
+
+set_default_toolchain("//build/toolchain/gcc")
+
+set_defaults("executable") {
+  configs = [
+    "//build:linux",
+    "//build:gc",
+    "//build:default_include_dirs",
+  ]
+}
+
+set_defaults("shared_library") {
+  configs = [
+    "//build:linux",
+    "//build:gc",
+    "//build:default_include_dirs",
+  ]
+}
+
+set_defaults("source_set") {
+  configs = [
+    "//build:linux",
+    "//build:gc",
+    "//build:default_include_dirs",
+  ]
+}
+
+set_defaults("static_library") {
+  configs = [
+    "//build:linux",
+    "//build:gc",
+    "//build:default_include_dirs",
+  ]
+}

src/connectivity/bt_others/bluetooth_mw/rpc_test/build/toolchain/gcc/BUILD.gn

@@ -0,0 +1,107 @@
+#
+#  Copyright (C) 2015 Google, Inc.
+#
+#  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.
+#
+
+declare_args() {
+    libbt_mw_path = ""
+    libbt_aud_hw_path = ""
+    libz_path = ""
+    cc = ""
+    cxx = ""
+}
+
+assert(cc != "", "cc build argument wasn't provided.")
+assert(cxx != "", "cxx build argument wasn't provided.")
+
+toolchain("gcc") {
+  tool("cc") {
+    depfile = "{{output}}.d"
+    command = "$cc -MMD -MF $depfile {{defines}} {{include_dirs}} {{cflags}} {{cflags_c}} -c {{source}} -o {{output}}"
+    depsformat = "gcc"
+    description = "CC {{output}}"
+    outputs = [
+      "{{source_out_dir}}/{{target_output_name}}.{{source_name_part}}.o",
+    ]
+  }
+
+  tool("cxx") {
+    depfile = "{{output}}.d"
+    command = "$cxx -MMD -MF $depfile {{defines}} {{include_dirs}} {{cflags}} {{cflags_cc}} -c {{source}} -o {{output}}"
+    depsformat = "gcc"
+    description = "CXX {{output}}"
+    outputs = [
+      "{{source_out_dir}}/{{target_output_name}}.{{source_name_part}}.o",
+    ]
+  }
+
+  tool("alink") {
+    rspfile = "{{output}}.rsp"
+    command = "rm -f {{output}} && ar rcs {{output}} @$rspfile"
+    description = "AR {{target_output_name}}{{output_extension}}"
+    rspfile_content = "{{inputs}}"
+    outputs = [
+      "{{target_out_dir}}/{{target_output_name}}{{output_extension}}",
+    ]
+    default_output_extension = ".a"
+
+    output_prefix = "lib"
+  }
+
+  tool("solink") {
+    soname = "{{target_output_name}}{{output_extension}}"  # e.g. "libfoo.so".
+    rspfile = soname + ".rsp"
+
+    command =
+        "$cxx -shared {{ldflags}} -o $soname -Wl,-soname=$soname @$rspfile"
+    rspfile_content = "-Wl,--whole-archive {{inputs}} {{solibs}} -Wl,--no-whole-archive {{libs}}"
+
+    description = "SOLINK $soname"
+
+    # Use this for {{output_extension}} expansions unless a target manually
+    # overrides it (in which case {{output_extension}} will be what the target
+    # specifies).
+    default_output_extension = ".so"
+
+    outputs = [
+      soname,
+    ]
+    link_output = soname
+    depend_output = soname
+
+    output_prefix = "lib"
+  }
+
+  tool("link") {
+    outfile = "{{target_output_name}}{{output_extension}}"
+    rspfile = "$outfile.rsp"
+    command = "$cxx {{ldflags}} -o $outfile -Wl,--start-group @$rspfile {{solibs}} -Wl,--end-group $libbt_mw_path $libbt_aud_hw_path $libz_path {{libs}}"
+
+    description = "LINK $outfile"
+    rspfile_content = "{{inputs}}"
+    outputs = [
+      outfile,
+    ]
+  }
+
+  tool("stamp") {
+    command = "touch {{output}}"
+    description = "STAMP {{output}}"
+  }
+
+  tool("copy") {
+    command = "cp -af {{source}} {{output}}"
+    description = "COPY {{source}} {{output}}"
+  }
+}

src/connectivity/bt_others/bluetooth_mw/sdk/build/BUILD.gn

@@ -0,0 +1,105 @@
+#
+#  Copyright (C) 2015 Google, Inc.
+#
+#  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.
+#
+
+declare_args() {
+  storage_path = ""
+  conf_path = ""
+  platform_libs_path = ""
+  bt_sys_log_flag = ""
+  bt_tmp_path = ""
+  bt_misc_path = ""
+  bt_etc_path = ""
+  rpc_dbg_flag = ""
+  stack_include_path = ""
+  stack_root_path = ""
+}
+
+assert(storage_path != "", "storage_path build argument wasn't provided.")
+assert(conf_path != "", "conf_path build argument wasn't provided.")
+assert(platform_libs_path != "", "storage_path build argument wasn't provided.")
+
+assert(bt_tmp_path != "", "bt_tmp_path build argument wasn't provided.")
+assert(bt_misc_path != "", "bt_misc_path build argument wasn't provided.")
+assert(bt_etc_path != "", "bt_etc_path build argument wasn't provided.")
+assert(stack_include_path != "", "stack_include_path build argument wasn't provided.")
+assert(stack_root_path != "", "stack_include_path build argument wasn't provided.")
+
+config("default_include_dirs") {
+  include_dirs = [
+    "//inc",
+    "//inc/hardware",
+    storage_path,
+    platform_libs_path,
+    stack_include_path,
+    stack_root_path,
+  ]
+}
+
+config("linux") {
+  # TODO(keybuk): AndroidConfig.h or equivalent
+
+  cflags = [
+    "-Wall",
+    #"-Werror",
+    "-g",
+    "-Os",
+    "-fpic",
+    "-fdata-sections",
+    "-ffunction-sections",
+    "-fvisibility=hidden",
+    "-DMTK_BLUEDROID_PATCH",
+    bt_sys_log_flag,
+    rpc_dbg_flag,
+  ]
+
+  cflags_c = [ "-std=c99" ]
+
+  cflags_cc = [
+#TODO(jpawlowski): we should use same c++ version as Android, which is c++11,
+# but we use some c++14 features. Uncomment when this get fixed in code.:
+    "-std=c++1y",
+    "-fno-exceptions",
+  ]
+
+  defines = [
+#    "_FORTIFY_SOURCE=2",
+    "_GNU_SOURCE",
+    "HAS_NO_BDROID_BUILDCFG",
+    "LOG_NDEBUG=1",
+    "EXPORT_SYMBOL=__attribute__((visibility(\"default\")))",
+    "KERNEL_MISSING_CLOCK_BOOTTIME_ALARM=TRUE",
+
+    # This is a macro to that can be used by source code to detect if the
+    # current build is done by GN or via Android.mk. This is a temporary
+    # workaround until we can remove all Android-specific dependencies.
+    "OS_GENERIC",
+    "MTK_LINUX",
+    "MW_STORAGE_PATH=\"$storage_path\"",
+    "CONFIG_PATH=\"$conf_path\"",
+    "PLATFORM_LIB_PATH=\"$platform_libs_path\"",
+    "BT_TMP_PATH=\"$bt_tmp_path/\"",
+    "BT_MISC_PATH=\"$bt_misc_path/\"",
+    "BT_ETC_PATH=\"$bt_etc_path/\"",
+  ]
+}
+
+config("pic") {
+  cflags = [ "-fPIC" ]
+}
+
+config("gc") {
+  ldflags = [ "-Wl,--gc-sections" ]
+}

src/connectivity/bt_others/bluetooth_mw/sdk/build/config/BUILDCONFIG.gn

@@ -0,0 +1,49 @@
+#
+#  Copyright (C) 2015 Google, Inc.
+#
+#  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.
+#
+
+set_default_toolchain("//build/toolchain/gcc")
+
+set_defaults("executable") {
+  configs = [
+    "//build:linux",
+    "//build:gc",
+    "//build:default_include_dirs",
+  ]
+}
+
+set_defaults("shared_library") {
+  configs = [
+    "//build:linux",
+    "//build:gc",
+    "//build:default_include_dirs",
+  ]
+}
+
+set_defaults("source_set") {
+  configs = [
+    "//build:linux",
+    "//build:gc",
+    "//build:default_include_dirs",
+  ]
+}
+
+set_defaults("static_library") {
+  configs = [
+    "//build:linux",
+    "//build:gc",
+    "//build:default_include_dirs",
+  ]
+}

src/connectivity/bt_others/bluetooth_mw/sdk/build/toolchain/gcc/BUILD.gn

@@ -0,0 +1,106 @@
+#
+#  Copyright (C) 2015 Google, Inc.
+#
+#  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.
+#
+
+declare_args() {
+  bluedroid_libs_path = ""
+  cc = ""
+  cxx = ""
+}
+
+assert(bluedroid_libs_path != "", "bluedroid_libs_path build argument wasn't provided.")
+assert(cc != "", "cc build argument wasn't provided.")
+assert(cxx != "", "cxx build argument wasn't provided.")
+
+toolchain("gcc") {
+  tool("cc") {
+    depfile = "{{output}}.d"
+    command = "$cc -MMD -MF $depfile {{defines}} {{include_dirs}} {{cflags}} {{cflags_c}} -c {{source}} -o {{output}}"
+    depsformat = "gcc"
+    description = "CC {{output}}"
+    outputs = [
+      "{{source_out_dir}}/{{target_output_name}}.{{source_name_part}}.o",
+    ]
+  }
+
+  tool("cxx") {
+    depfile = "{{output}}.d"
+    command = "$cxx -MMD -MF $depfile {{defines}} {{include_dirs}} {{cflags}} {{cflags_cc}} -c {{source}} -o {{output}}"
+    depsformat = "gcc"
+    description = "CXX {{output}}"
+    outputs = [
+      "{{source_out_dir}}/{{target_output_name}}.{{source_name_part}}.o",
+    ]
+  }
+
+  tool("alink") {
+    rspfile = "{{output}}.rsp"
+    command = "rm -f {{output}} && ar rcs {{output}} @$rspfile"
+    description = "AR {{target_output_name}}{{output_extension}}"
+    rspfile_content = "{{inputs}}"
+    outputs = [
+      "{{target_out_dir}}/{{target_output_name}}{{output_extension}}",
+    ]
+    default_output_extension = ".a"
+
+    output_prefix = "lib"
+  }
+
+  tool("solink") {
+    soname = "{{target_output_name}}{{output_extension}}"  # e.g. "libfoo.so".
+    rspfile = soname + ".rsp"
+
+    command =
+        "$cxx -shared {{ldflags}} -o $soname -Wl,-soname=$soname @$rspfile"
+    rspfile_content = "-Wl,--whole-archive {{inputs}} {{solibs}} -Wl,--no-whole-archive $bluedroid_libs_path {{libs}}"
+
+    description = "SOLINK $soname"
+
+    # Use this for {{output_extension}} expansions unless a target manually
+    # overrides it (in which case {{output_extension}} will be what the target
+    # specifies).
+    default_output_extension = ".so"
+
+    outputs = [
+      soname,
+    ]
+    link_output = soname
+    depend_output = soname
+
+    output_prefix = "lib"
+  }
+
+  tool("link") {
+    outfile = "{{target_output_name}}{{output_extension}}"
+    rspfile = "$outfile.rsp"
+    command = "$cxx {{ldflags}} -o $outfile -Wl,--start-group @$rspfile {{solibs}} -Wl,--end-group {{libs}}"
+
+    description = "LINK $outfile"
+    rspfile_content = "{{inputs}}"
+    outputs = [
+      outfile,
+    ]
+  }
+
+  tool("stamp") {
+    command = "touch {{output}}"
+    description = "STAMP {{output}}"
+  }
+
+  tool("copy") {
+    command = "cp -af {{source}} {{output}}"
+    description = "COPY {{source}} {{output}}"
+  }
+}

src/connectivity/bt_others/bluetooth_mw/uploader/build/BUILD.gn

@@ -0,0 +1,86 @@
+#
+#  Copyright (C) 2015 Google, Inc.
+#
+#  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.
+#
+
+declare_args() {
+    mw_inc_path = ""
+    asound_inc_path = ""
+    bt_alsa_flag = ""
+}
+
+assert(mw_inc_path != "", "mw_inc_path build argument wasn't provided.")
+assert(asound_inc_path != "", "asound_inc_path build argument wasn't provided.")
+#print(mw_inc_path)
+#print(asound_inc_path)
+
+config("default_include_dirs") {
+  # TODO(armansito): Remove "core_include_path" once the cutils includes have
+  # been removed.
+  assert(mw_inc_path != "",
+         "mw_inc_path build argument wasn't provided.")
+  assert(asound_inc_path != "",
+         "asound_inc_path build argument wasn't provided.")
+  include_dirs = [
+    mw_inc_path,
+    asound_inc_path,
+  ]
+}
+
+config("linux") {
+  # TODO(keybuk): AndroidConfig.h or equivalent
+
+  cflags = [
+    "-Wall",
+ #   "-Werror",
+    "-g",
+    "-Os",
+    "-fpic",
+    "-fdata-sections",
+    "-ffunction-sections",
+    "-fvisibility=hidden",
+    bt_alsa_flag,
+  ]
+
+  cflags_c = [ "-std=c99" ]
+
+  cflags_cc = [
+#TODO(jpawlowski): we should use same c++ version as Android, which is c++11,
+# but we use some c++14 features. Uncomment when this get fixed in code.:
+    "-std=c++1y",
+    "-fno-exceptions",
+  ]
+
+  defines = [
+    "_FORTIFY_SOURCE=2",
+    "_GNU_SOURCE",
+    "HAS_NO_BDROID_BUILDCFG",
+    "LOG_NDEBUG=1",
+    "EXPORT_SYMBOL=__attribute__((visibility(\"default\")))",
+    "KERNEL_MISSING_CLOCK_BOOTTIME_ALARM=TRUE",
+
+    # This is a macro to that can be used by source code to detect if the
+    # current build is done by GN or via Android.mk. This is a temporary
+    # workaround until we can remove all Android-specific dependencies.
+    "OS_GENERIC",
+  ]
+}
+
+config("pic") {
+  cflags = [ "-fPIC" ]
+}
+
+config("gc") {
+  ldflags = [ "-Wl,--gc-sections" ]
+}

src/connectivity/bt_others/bluetooth_mw/uploader/build/config/BUILDCONFIG.gn

@@ -0,0 +1,49 @@
+#
+#  Copyright (C) 2015 Google, Inc.
+#
+#  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.
+#
+
+set_default_toolchain("//build/toolchain/gcc")
+
+set_defaults("executable") {
+  configs = [
+    "//build:linux",
+    "//build:gc",
+    "//build:default_include_dirs",
+  ]
+}
+
+set_defaults("shared_library") {
+  configs = [
+    "//build:linux",
+    "//build:gc",
+    "//build:default_include_dirs",
+  ]
+}
+
+set_defaults("source_set") {
+  configs = [
+    "//build:linux",
+    "//build:gc",
+    "//build:default_include_dirs",
+  ]
+}
+
+set_defaults("static_library") {
+  configs = [
+    "//build:linux",
+    "//build:gc",
+    "//build:default_include_dirs",
+  ]
+}

src/connectivity/bt_others/bluetooth_mw/uploader/build/toolchain/gcc/BUILD.gn

@@ -0,0 +1,108 @@
+#
+#  Copyright (C) 2015 Google, Inc.
+#
+#  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.
+#
+
+declare_args() {
+    libbt_mw_path = ""
+    libasound_path = ""
+    cc = ""
+    cxx = ""
+}
+
+assert(libbt_mw_path != "", "libbt_mw_path build argument wasn't provided.")
+assert(libasound_path != "", "libasound_path build argument wasn't provided.")
+assert(cc != "", "cc build argument wasn't provided.")
+assert(cxx != "", "cxx build argument wasn't provided.")
+
+toolchain("gcc") {
+  tool("cc") {
+    depfile = "{{output}}.d"
+    command = "$cc -MMD -MF $depfile {{defines}} {{include_dirs}} {{cflags}} {{cflags_c}} -c {{source}} -o {{output}}"
+    depsformat = "gcc"
+    description = "CC {{output}}"
+    outputs = [
+      "{{source_out_dir}}/{{target_output_name}}.{{source_name_part}}.o",
+    ]
+  }
+
+  tool("cxx") {
+    depfile = "{{output}}.d"
+    command = "$cxx -MMD -MF $depfile {{defines}} {{include_dirs}} {{cflags}} {{cflags_cc}} -c {{source}} -o {{output}}"
+    depsformat = "gcc"
+    description = "CXX {{output}}"
+    outputs = [
+      "{{source_out_dir}}/{{target_output_name}}.{{source_name_part}}.o",
+    ]
+  }
+
+  tool("alink") {
+    rspfile = "{{output}}.rsp"
+    command = "rm -f {{output}} && ar rcs {{output}} @$rspfile"
+    description = "AR {{target_output_name}}{{output_extension}}"
+    rspfile_content = "{{inputs}}"
+    outputs = [
+      "{{target_out_dir}}/{{target_output_name}}{{output_extension}}",
+    ]
+    default_output_extension = ".a"
+
+    output_prefix = "lib"
+  }
+
+  tool("solink") {
+    soname = "{{target_output_name}}{{output_extension}}"  # e.g. "libfoo.so".
+    rspfile = soname + ".rsp"
+
+    command =
+        "$cxx -shared {{ldflags}} -o $soname -Wl,-soname=$soname $libasound_path @$rspfile"
+    rspfile_content = "-Wl,--whole-archive {{inputs}} {{solibs}} -Wl,--no-whole-archive {{libs}}"
+
+    description = "SOLINK $soname"
+
+    # Use this for {{output_extension}} expansions unless a target manually
+    # overrides it (in which case {{output_extension}} will be what the target
+    # specifies).
+    default_output_extension = ".so"
+
+    outputs = [
+      soname,
+    ]
+    link_output = soname
+    depend_output = soname
+
+    output_prefix = "lib"
+  }
+  
+  tool("link") {
+    outfile = "{{target_output_name}}{{output_extension}}"
+    rspfile = "$outfile.rsp"
+    command = "$cxx {{ldflags}} -o $outfile -Wl,--start-group @$rspfile {{solibs}} -Wl,--end-group $libbt_mw_path {{libs}}"
+
+    description = "LINK $outfile"
+    rspfile_content = "{{inputs}}"
+    outputs = [
+      outfile,
+    ]
+  }
+
+  tool("stamp") {
+    command = "touch {{output}}"
+    description = "STAMP {{output}}"
+  }
+
+  tool("copy") {
+    command = "cp -af {{source}} {{output}}"
+    description = "COPY {{source}} {{output}}"
+  }
+}

src/connectivity/bt_others/bluetooth_tool/btut/build/BUILD.gn

@@ -0,0 +1,111 @@
+#
+#  Copyright (C) 2015 Google, Inc.
+#
+#  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.
+#
+
+declare_args() {
+  libhw_include_path = ""
+  core_include_path = ""
+  btif_include_path = ""
+  stack_include_path = ""
+  utils_include_path = ""
+  mtk_bt_include_path = ""
+  bt_sys_log_flag = ""
+
+  bt_tmp_path = ""
+  bt_misc_path = ""
+  bt_etc_path = ""
+}
+
+assert(libhw_include_path != "", "libhw_include_path build argument wasn't provided.")
+assert(core_include_path != "", "core_include_path build argument wasn't provided.")
+assert(btif_include_path != "", "btif_include_path build argument wasn't provided.")
+assert(stack_include_path != "", "stack_include_path build argument wasn't provided.")
+assert(utils_include_path != "", "utils_include_path build argument wasn't provided.")
+assert(mtk_bt_include_path != "", "mtk_bt_include_path build argument wasn't provided.")
+
+assert(bt_tmp_path != "", "bt_tmp_path build argument wasn't provided.")
+assert(bt_misc_path != "", "bt_misc_path build argument wasn't provided.")
+assert(bt_etc_path != "", "bt_etc_path build argument wasn't provided.")
+
+#print(libhw_include_path)
+#print(core_include_path)
+#print(btif_include_path)
+#print(stack_include_path)
+#print(utils_include_path)
+#print(mtk_bt_include_path)
+
+config("default_include_dirs") {
+  include_dirs = [
+    libhw_include_path,
+    core_include_path,
+    btif_include_path,
+    stack_include_path,
+    utils_include_path,
+    mtk_bt_include_path,
+  ]
+}
+
+config("linux") {
+  # TODO(keybuk): AndroidConfig.h or equivalent
+
+  cflags = [
+    "-Wall",
+    #"-Werror",
+    "-g",
+    "-Os",
+    "-fpic",
+    "-fdata-sections",
+    "-ffunction-sections",
+    "-fvisibility=hidden",
+    "-DHAS_MDROID_BUILDCFG",
+    "-DMTK_BT_COMMON",
+    bt_sys_log_flag,
+  ]
+
+  cflags_c = [ "-std=c99" ]
+
+  cflags_cc = [
+#TODO(jpawlowski): we should use same c++ version as Android, which is c++11,
+# but we use some c++14 features. Uncomment when this get fixed in code.:
+    "-std=c++1y",
+    "-fno-exceptions",
+  ]
+
+  defines = [
+    "_FORTIFY_SOURCE=2",
+    "_GNU_SOURCE",
+    "HAS_NO_BDROID_BUILDCFG",
+    "LOG_NDEBUG=1",
+    "EXPORT_SYMBOL=__attribute__((visibility(\"default\")))",
+    "KERNEL_MISSING_CLOCK_BOOTTIME_ALARM=TRUE",
+
+    # This is a macro to that can be used by source code to detect if the
+    # current build is done by GN or via Android.mk. This is a temporary
+    # workaround until we can remove all Android-specific dependencies.
+    "OS_GENERIC",
+
+    "BT_TMP_PATH=\"$bt_tmp_path/\"",
+    "BT_MISC_PATH=\"$bt_misc_path/\"",
+    "BT_ETC_PATH=\"$bt_etc_path/\"",
+  ]
+}
+
+config("pic") {
+  cflags = [ "-fPIC" ]
+}
+
+config("gc") {
+  ldflags = [ "-Wl,--gc-sections" ]
+}

src/connectivity/bt_others/bluetooth_tool/btut/build/config/BUILDCONFIG.gn

@@ -0,0 +1,49 @@
+#
+#  Copyright (C) 2015 Google, Inc.
+#
+#  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.
+#
+
+set_default_toolchain("//build/toolchain/gcc")
+
+set_defaults("executable") {
+  configs = [
+    "//build:linux",
+    "//build:gc",
+    "//build:default_include_dirs",
+  ]
+}
+
+set_defaults("shared_library") {
+  configs = [
+    "//build:linux",
+    "//build:gc",
+    "//build:default_include_dirs",
+  ]
+}
+
+set_defaults("source_set") {
+  configs = [
+    "//build:linux",
+    "//build:gc",
+    "//build:default_include_dirs",
+  ]
+}
+
+set_defaults("static_library") {
+  configs = [
+    "//build:linux",
+    "//build:gc",
+    "//build:default_include_dirs",
+  ]
+}

src/connectivity/bt_others/bluetooth_tool/btut/build/toolchain/gcc/BUILD.gn

@@ -0,0 +1,107 @@
+#
+#  Copyright (C) 2015 Google, Inc.
+#
+#  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.
+#
+
+declare_args() {
+  bluedroid_libs_path = ""
+  external_libs_path = ""
+  cc = ""
+  cxx = ""
+}
+
+assert(bluedroid_libs_path != "", "bluedroid_libs_path build argument wasn't provided.")
+assert(external_libs_path != "", "external_libs_path build argument wasn't provided.")
+assert(cc != "", "cc build argument wasn't provided.")
+assert(cxx != "", "cxx build argument wasn't provided.")
+
+toolchain("gcc") {
+  tool("cc") {
+    depfile = "{{output}}.d"
+    command = "$cc -MMD -MF $depfile {{defines}} {{include_dirs}} {{cflags}} {{cflags_c}} -c {{source}} -o {{output}}"
+    depsformat = "gcc"
+    description = "CC {{output}}"
+    outputs = [
+      "{{source_out_dir}}/{{target_output_name}}.{{source_name_part}}.o",
+    ]
+  }
+
+  tool("cxx") {
+    depfile = "{{output}}.d"
+    command = "$cxx -MMD -MF $depfile {{defines}} {{include_dirs}} {{cflags}} {{cflags_cc}} -c {{source}} -o {{output}}"
+    depsformat = "gcc"
+    description = "CXX {{output}}"
+    outputs = [
+      "{{source_out_dir}}/{{target_output_name}}.{{source_name_part}}.o",
+    ]
+  }
+
+  tool("alink") {
+    rspfile = "{{output}}.rsp"
+    command = "rm -f {{output}} && ar rcs {{output}} @$rspfile"
+    description = "AR {{target_output_name}}{{output_extension}}"
+    rspfile_content = "{{inputs}}"
+    outputs = [
+      "{{target_out_dir}}/{{target_output_name}}{{output_extension}}",
+    ]
+    default_output_extension = ".a"
+
+    output_prefix = "lib"
+  }
+
+  tool("solink") {
+    soname = "{{target_output_name}}{{output_extension}}"  # e.g. "libfoo.so".
+    rspfile = soname + ".rsp"
+
+    command =
+        "$cxx -shared {{ldflags}} -o $soname -Wl,-soname=$soname @$rspfile"
+    rspfile_content = "-Wl,--whole-archive {{inputs}} {{solibs}} -Wl,--no-whole-archive {{libs}}"
+
+    description = "SOLINK $soname"
+
+    # Use this for {{output_extension}} expansions unless a target manually
+    # overrides it (in which case {{output_extension}} will be what the target
+    # specifies).
+    default_output_extension = ".so"
+
+    outputs = [
+      soname,
+    ]
+    link_output = soname
+    depend_output = soname
+
+    output_prefix = "lib"
+  }
+
+  tool("link") {
+    outfile = "{{target_output_name}}{{output_extension}}"
+    rspfile = "$outfile.rsp"
+    command = "$cxx {{ldflags}} -o $outfile -Wl,--start-group @$rspfile {{solibs}} -Wl,--end-group $bluedroid_libs_path $external_libs_path {{libs}}"
+    description = "LINK $outfile"
+    rspfile_content = "{{inputs}}"
+    outputs = [
+      outfile,
+    ]
+  }
+
+  tool("stamp") {
+    command = "touch {{output}}"
+    description = "STAMP {{output}}"
+  }
+
+  tool("copy") {
+    command = "cp -af {{source}} {{output}}"
+    description = "COPY {{source}} {{output}}"
+  }
+}

src/connectivity/bt_others/bluetooth_tool/dbg/build/BUILD.gn

@@ -0,0 +1,80 @@
+#
+#  Copyright (C) 2015 Google, Inc.
+#
+#  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.
+#
+
+declare_args() {
+    mtk_rpcipc_inc_path = ""
+    mtk_inc_rpc_path = ""
+}
+
+assert(mtk_rpcipc_inc_path != "", "mtk_rpcipc_inc_path build argument wasn't provided.")
+assert(mtk_inc_rpc_path != "", "mtk_inc_rpc_path build argument wasn't provided.")
+
+config("default_include_dirs") {
+  # TODO(armansito): Remove "core_include_path" once the cutils includes have
+  # been removed.
+  include_dirs = [
+    mtk_rpcipc_inc_path,
+    mtk_inc_rpc_path,
+  ]
+}
+
+config("linux") {
+  # TODO(keybuk): AndroidConfig.h or equivalent
+
+  cflags = [
+    #TODO(jpawlowski): uncomment once we have no warnings on linux build
+    "-Wall",
+    #"-Werror",
+    "-g",
+    "-Os",
+    "-fpic",
+    "-fdata-sections",
+    "-ffunction-sections",
+    "-fvisibility=hidden",
+  ]
+
+  cflags_c = [ "-std=c99" ]
+
+  cflags_cc = [
+#TODO(jpawlowski): we should use same c++ version as Android, which is c++11,
+# but we use some c++14 features. Uncomment when this get fixed in code.:
+    "-std=c++1y",
+    "-fno-exceptions",
+  ]
+
+  defines = [
+    "_FORTIFY_SOURCE=2",
+    "_GNU_SOURCE",
+    "HAS_NO_BDROID_BUILDCFG",
+    "LOG_NDEBUG=1",
+    "EXPORT_SYMBOL=__attribute__((visibility(\"default\")))",
+    "KERNEL_MISSING_CLOCK_BOOTTIME_ALARM=TRUE",
+
+    # This is a macro to that can be used by source code to detect if the
+    # current build is done by GN or via Android.mk. This is a temporary
+    # workaround until we can remove all Android-specific dependencies.
+    "OS_GENERIC",
+    "BT_RPC_DBG_CLIENT",
+  ]
+}
+
+config("pic") {
+  cflags = [ "-fPIC" ]
+}
+
+config("gc") {
+  ldflags = [ "-Wl,--gc-sections" ]
+}

src/connectivity/bt_others/bluetooth_tool/dbg/build/config/BUILDCONFIG.gn

@@ -0,0 +1,49 @@
+#
+#  Copyright (C) 2015 Google, Inc.
+#
+#  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.
+#
+
+set_default_toolchain("//build/toolchain/gcc")
+
+set_defaults("executable") {
+  configs = [
+    "//build:linux",
+    "//build:gc",
+    "//build:default_include_dirs",
+  ]
+}
+
+set_defaults("shared_library") {
+  configs = [
+    "//build:linux",
+    "//build:gc",
+    "//build:default_include_dirs",
+  ]
+}
+
+set_defaults("source_set") {
+  configs = [
+    "//build:linux",
+    "//build:gc",
+    "//build:default_include_dirs",
+  ]
+}
+
+set_defaults("static_library") {
+  configs = [
+    "//build:linux",
+    "//build:gc",
+    "//build:default_include_dirs",
+  ]
+}

src/connectivity/bt_others/bluetooth_tool/dbg/build/toolchain/gcc/BUILD.gn

@@ -0,0 +1,108 @@
+#
+#  Copyright (C) 2015 Google, Inc.
+#
+#  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.
+#
+
+declare_args() {
+    libipcrpc_path = ""
+    libmtk_bt_service_client_path = ""
+    cc = ""
+    cxx = ""
+}
+
+assert(libipcrpc_path != "", "libipcrpc_path build argument wasn't provided.")
+assert(libmtk_bt_service_client_path != "", "libmtk_bt_service_client_path build argument wasn't provided.")
+assert(cc != "", "cc build argument wasn't provided.")
+assert(cxx != "", "cxx build argument wasn't provided.")
+print(libmtk_bt_service_client_path)
+toolchain("gcc") {
+  tool("cc") {
+    depfile = "{{output}}.d"
+    command = "$cc -MMD -MF $depfile {{defines}} {{include_dirs}} {{cflags}} {{cflags_c}} -c {{source}} -o {{output}}"
+    depsformat = "gcc"
+    description = "CC {{output}}"
+    outputs = [
+      "{{source_out_dir}}/{{target_output_name}}.{{source_name_part}}.o",
+    ]
+  }
+
+  tool("cxx") {
+    depfile = "{{output}}.d"
+    command = "$cxx -MMD -MF $depfile {{defines}} {{include_dirs}} {{cflags}} {{cflags_cc}} -c {{source}} -o {{output}}"
+    depsformat = "gcc"
+    description = "CXX {{output}}"
+    outputs = [
+      "{{source_out_dir}}/{{target_output_name}}.{{source_name_part}}.o",
+    ]
+  }
+
+  tool("alink") {
+    rspfile = "{{output}}.rsp"
+    command = "rm -f {{output}} && ar rcs {{output}} @$rspfile"
+    description = "AR {{target_output_name}}{{output_extension}}"
+    rspfile_content = "{{inputs}}"
+    outputs = [
+      "{{target_out_dir}}/{{target_output_name}}{{output_extension}}",
+    ]
+    default_output_extension = ".a"
+
+    output_prefix = "lib"
+  }
+
+  tool("solink") {
+    soname = "{{target_output_name}}{{output_extension}}"  # e.g. "libfoo.so".
+    rspfile = soname + ".rsp"
+
+    command =
+        "$cxx -shared {{ldflags}} -o $soname -Wl,-soname=$soname @$rspfile"
+    rspfile_content = "-Wl,--whole-archive {{inputs}} {{solibs}} -Wl,--no-whole-archive $libipcrpc_path $libmtk_bt_service_client_path {{libs}}"
+
+    description = "SOLINK $soname"
+
+    # Use this for {{output_extension}} expansions unless a target manually
+    # overrides it (in which case {{output_extension}} will be what the target
+    # specifies).
+    default_output_extension = ".so"
+
+    outputs = [
+      soname,
+    ]
+    link_output = soname
+    depend_output = soname
+
+    output_prefix = "lib"
+  }
+
+  tool("link") {
+    outfile = "{{target_output_name}}{{output_extension}}"
+    rspfile = "$outfile.rsp"
+    command = "$cxx {{ldflags}} -o $outfile -Wl,--start-group @$rspfile {{solibs}} -Wl,--end-group $libipcrpc_path $libmtk_bt_service_client_path {{libs}}"
+
+    description = "LINK $outfile"
+    rspfile_content = "{{inputs}}"
+    outputs = [
+      outfile,
+    ]
+  }
+
+  tool("stamp") {
+    command = "touch {{output}}"
+    description = "STAMP {{output}}"
+  }
+
+  tool("copy") {
+    command = "cp -af {{source}} {{output}}"
+    description = "COPY {{source}} {{output}}"
+  }
+}

src/connectivity/bt_others/boots/build/BUILD.gn

@@ -0,0 +1,72 @@
+#
+#  Copyright (C) 2017 MediaTek, Inc.
+#
+#  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.
+#
+
+declare_args() {
+  boots_socket_path = ""
+}
+
+#assert(boots_socket_path != "", "boots_socket_path build argument wasn't provided.")
+
+config("default_include_dirs") {
+  include_dirs = [
+  ]
+}
+
+config("linux") {
+  # TODO(keybuk): AndroidConfig.h or equivalent
+
+  cflags = [
+    "-Wall",
+    #"-Werror",
+    "-g",
+    "-O0",
+    "-fpic",
+    "-fdata-sections",
+    "-ffunction-sections",
+    "-fvisibility=hidden",
+  ]
+
+  cflags_c = [ "-std=c99" ]
+
+  cflags_cc = [
+#TODO(jpawlowski): we should use same c++ version as Android, which is c++11,
+# but we use some c++14 features. Uncomment when this get fixed in code.:
+    "-std=c++1y",
+    "-fno-exceptions",
+  ]
+
+  defines = [
+    "_FORTIFY_SOURCE=2",
+    "_GNU_SOURCE",
+    "LOG_NDEBUG=1",
+    "EXPORT_SYMBOL=__attribute__((visibility(\"default\")))",
+    "KERNEL_MISSING_CLOCK_BOOTTIME_ALARM=TRUE",
+
+    # This is a macro to that can be used by source code to detect if the
+    # current build is done by GN or via Android.mk. This is a temporary
+    # workaround until we can remove all Android-specific dependencies.
+
+    "BOOTS_SOCKET_PATH=\"$boots_socket_path/\"",
+  ]
+}
+
+config("pic") {
+  cflags = [ "-fPIC" ]
+}
+
+config("gc") {
+  ldflags = [ "-Wl,--gc-sections" ]
+}

src/connectivity/bt_others/boots/build/config/BUILDCONFIG.gn

@@ -0,0 +1,49 @@
+#
+#  Copyright (C) 2017 MediaTek, Inc.
+#
+#  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.
+#
+
+set_default_toolchain("//build/toolchain/gcc")
+
+set_defaults("executable") {
+  configs = [
+    "//build:linux",
+    "//build:gc",
+    "//build:default_include_dirs",
+  ]
+}
+
+set_defaults("shared_library") {
+  configs = [
+    "//build:linux",
+    "//build:gc",
+    "//build:default_include_dirs",
+  ]
+}
+
+set_defaults("source_set") {
+  configs = [
+    "//build:linux",
+    "//build:gc",
+    "//build:default_include_dirs",
+  ]
+}
+
+set_defaults("static_library") {
+  configs = [
+    "//build:linux",
+    "//build:gc",
+    "//build:default_include_dirs",
+  ]
+}

src/connectivity/bt_others/boots/build/toolchain/gcc/BUILD.gn

@@ -0,0 +1,103 @@
+#
+#  Copyright (C) 2017 MediaTek, Inc.
+#
+#  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.
+#
+
+declare_args() {
+  cc = ""
+  cxx = ""
+}
+
+assert(cc != "", "cc build argument wasn't provided.")
+assert(cxx != "", "cxx build argument wasn't provided.")
+
+toolchain("gcc") {
+  tool("cc") {
+    depfile = "{{output}}.d"
+    command = "$cc -MMD -MF $depfile {{defines}} {{include_dirs}} {{cflags}} {{cflags_c}} -c {{source}} -o {{output}}"
+    depsformat = "gcc"
+    description = "CC {{output}}"
+    outputs = [
+      "{{source_out_dir}}/{{target_output_name}}.{{source_name_part}}.o",
+    ]
+  }
+
+  tool("cxx") {
+    depfile = "{{output}}.d"
+    command = "$cxx -MMD -MF $depfile {{defines}} {{include_dirs}} {{cflags}} {{cflags_cc}} -c {{source}} -o {{output}}"
+    depsformat = "gcc"
+    description = "CXX {{output}}"
+    outputs = [
+      "{{source_out_dir}}/{{target_output_name}}.{{source_name_part}}.o",
+    ]
+  }
+
+  tool("alink") {
+    rspfile = "{{output}}.rsp"
+    command = "rm -f {{output}} && ar rcs {{output}} @$rspfile"
+    description = "AR {{target_output_name}}{{output_extension}}"
+    rspfile_content = "{{inputs}}"
+    outputs = [
+      "{{target_out_dir}}/{{target_output_name}}{{output_extension}}",
+    ]
+    default_output_extension = ".a"
+
+    output_prefix = "lib"
+  }
+
+  tool("solink") {
+    soname = "{{target_output_name}}{{output_extension}}"  # e.g. "libfoo.so".
+    rspfile = soname + ".rsp"
+
+    command =
+        "$cxx -shared {{ldflags}} -o $soname -Wl,-soname=$soname @$rspfile"
+    rspfile_content = "-Wl,--whole-archive {{inputs}} {{solibs}} -Wl,--no-whole-archive {{libs}}"
+
+    description = "SOLINK $soname"
+
+    # Use this for {{output_extension}} expansions unless a target manually
+    # overrides it (in which case {{output_extension}} will be what the target
+    # specifies).
+    default_output_extension = ".so"
+
+    outputs = [
+      soname,
+    ]
+    link_output = soname
+    depend_output = soname
+
+    output_prefix = "lib"
+  }
+
+  tool("link") {
+    outfile = "{{target_output_name}}{{output_extension}}"
+    rspfile = "$outfile.rsp"
+    command = "$cxx {{ldflags}} -o $outfile -Wl,--start-group @$rspfile {{solibs}} -Wl,--end-group {{libs}}"
+    description = "LINK $outfile"
+    rspfile_content = "{{inputs}}"
+    outputs = [
+      outfile,
+    ]
+  }
+
+  tool("stamp") {
+    command = "touch {{output}}"
+    description = "STAMP {{output}}"
+  }
+
+  tool("copy") {
+    command = "cp -af {{source}} {{output}}"
+    description = "COPY {{source}} {{output}}"
+  }
+}

src/connectivity/bt_others/picus/build/BUILD.gn

@@ -0,0 +1,70 @@
+#
+#  Copyright (C) 2015 Google, Inc.
+#
+#  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.
+#
+
+declare_args() {
+
+}
+
+config("default_include_dirs") {
+  include_dirs = [
+
+  ]
+}
+
+config("linux") {
+  # TODO(keybuk): AndroidConfig.h or equivalent
+
+  cflags = [
+    "-Wall",
+    #"-Werror",
+    "-g",
+    "-O0",
+    "-fpic",
+    "-fdata-sections",
+    "-ffunction-sections",
+    "-fvisibility=hidden",
+  ]
+
+  cflags_c = [ "-std=c99" ]
+
+  cflags_cc = [
+#TODO(jpawlowski): we should use same c++ version as Android, which is c++11,
+# but we use some c++14 features. Uncomment when this get fixed in code.:
+    "-std=c++1y",
+    "-fno-exceptions",
+  ]
+
+  defines = [
+    "_FORTIFY_SOURCE=2",
+    "_GNU_SOURCE",
+    "LOG_NDEBUG=1",
+    "EXPORT_SYMBOL=__attribute__((visibility(\"default\")))",
+    "KERNEL_MISSING_CLOCK_BOOTTIME_ALARM=TRUE",
+
+    # This is a macro to that can be used by source code to detect if the
+    # current build is done by GN or via Android.mk. This is a temporary
+    # workaround until we can remove all Android-specific dependencies.
+    "OS_GENERIC",
+  ]
+}
+
+config("pic") {
+  cflags = [ "-fPIC" ]
+}
+
+config("gc") {
+  ldflags = [ "-Wl,--gc-sections" ]
+}

src/connectivity/bt_others/picus/build/config/BUILDCONFIG.gn

@@ -0,0 +1,49 @@
+#
+#  Copyright (C) 2015 Google, Inc.
+#
+#  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.
+#
+
+set_default_toolchain("//build/toolchain/gcc")
+
+set_defaults("executable") {
+  configs = [
+    "//build:linux",
+    "//build:gc",
+    "//build:default_include_dirs",
+  ]
+}
+
+set_defaults("shared_library") {
+  configs = [
+    "//build:linux",
+    "//build:gc",
+    "//build:default_include_dirs",
+  ]
+}
+
+set_defaults("source_set") {
+  configs = [
+    "//build:linux",
+    "//build:gc",
+    "//build:default_include_dirs",
+  ]
+}
+
+set_defaults("static_library") {
+  configs = [
+    "//build:linux",
+    "//build:gc",
+    "//build:default_include_dirs",
+  ]
+}

src/connectivity/bt_others/picus/build/toolchain/gcc/BUILD.gn

@@ -0,0 +1,103 @@
+#
+#  Copyright (C) 2015 Google, Inc.
+#
+#  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.
+#
+
+declare_args() {
+  cc = ""
+  cxx = ""
+}
+
+assert(cc != "", "cc build argument wasn't provided.")
+assert(cxx != "", "cxx build argument wasn't provided.")
+
+toolchain("gcc") {
+  tool("cc") {
+    depfile = "{{output}}.d"
+    command = "$cc -MMD -MF $depfile {{defines}} {{include_dirs}} {{cflags}} {{cflags_c}} -c {{source}} -o {{output}}"
+    depsformat = "gcc"
+    description = "CC {{output}}"
+    outputs = [
+      "{{source_out_dir}}/{{target_output_name}}.{{source_name_part}}.o",
+    ]
+  }
+
+  tool("cxx") {
+    depfile = "{{output}}.d"
+    command = "$cxx -MMD -MF $depfile {{defines}} {{include_dirs}} {{cflags}} {{cflags_cc}} -c {{source}} -o {{output}}"
+    depsformat = "gcc"
+    description = "CXX {{output}}"
+    outputs = [
+      "{{source_out_dir}}/{{target_output_name}}.{{source_name_part}}.o",
+    ]
+  }
+
+  tool("alink") {
+    rspfile = "{{output}}.rsp"
+    command = "rm -f {{output}} && ar rcs {{output}} @$rspfile"
+    description = "AR {{target_output_name}}{{output_extension}}"
+    rspfile_content = "{{inputs}}"
+    outputs = [
+      "{{target_out_dir}}/{{target_output_name}}{{output_extension}}",
+    ]
+    default_output_extension = ".a"
+
+    output_prefix = "lib"
+  }
+
+  tool("solink") {
+    soname = "{{target_output_name}}{{output_extension}}"  # e.g. "libfoo.so".
+    rspfile = soname + ".rsp"
+
+    command =
+        "$cxx -shared {{ldflags}} -o $soname -Wl,-soname=$soname @$rspfile"
+    rspfile_content = "-Wl,--whole-archive {{inputs}} {{solibs}} -Wl,--no-whole-archive {{libs}}"
+
+    description = "SOLINK $soname"
+
+    # Use this for {{output_extension}} expansions unless a target manually
+    # overrides it (in which case {{output_extension}} will be what the target
+    # specifies).
+    default_output_extension = ".so"
+
+    outputs = [
+      soname,
+    ]
+    link_output = soname
+    depend_output = soname
+
+    output_prefix = "lib"
+  }
+
+  tool("link") {
+    outfile = "{{target_output_name}}{{output_extension}}"
+    rspfile = "$outfile.rsp"
+    command = "$cxx {{ldflags}} -o $outfile -Wl,--start-group @$rspfile {{solibs}} -Wl,--end-group {{libs}}"
+    description = "LINK $outfile"
+    rspfile_content = "{{inputs}}"
+    outputs = [
+      outfile,
+    ]
+  }
+
+  tool("stamp") {
+    command = "touch {{output}}"
+    description = "STAMP {{output}}"
+  }
+
+  tool("copy") {
+    command = "cp -af {{source}} {{output}}"
+    description = "COPY {{source}} {{output}}"
+  }
+}

src/connectivity/bt_others/vendor_lib/mt66xx/build/BUILD.gn

@@ -0,0 +1,130 @@
+#
+#  Copyright (C) 2015 Google, Inc.
+#
+#  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.
+#
+
+declare_args() {
+  mtk_include_path = ""
+  bluedroid_hci_include_path = ""
+
+  libhw_include_path = ""
+
+  nvram_include_path = ""
+  cutils_include_path = ""
+  sysprop_include_path = ""
+  external_include_for_vendor_path = ""
+
+  chip_flag = ""
+  bdaddr_flag = ""
+  c4a_flag = ""
+  nvram_flag = ""
+
+  cutils_link = ""
+  file_op_link = ""
+  nvram_custom_link = ""
+  nvram_link = ""
+  bt_sys_log_flag = ""
+  bt_tmp_path = ""
+  bt_misc_path = ""
+  bt_etc_path = ""
+  rpc_dbg_flag = ""
+  merge_interface = ""
+}
+
+assert(mtk_include_path != "", "mtk_include_path build argument wasn't provided.")
+assert(bluedroid_hci_include_path != "", "bluedroid_hci_include_path build argument wasn't provided.")
+
+assert(nvram_include_path != "", "nvram_include_path build argument wasn't provided.")
+assert(cutils_include_path != "", "cutils_include_path build argument wasn't provided.")
+assert(sysprop_include_path != "", "sysprop_include_path build argument wasn't provided.")
+assert(external_include_for_vendor_path != "", "external_include_for_vendor_path build argument wasn't provided.")
+
+assert(chip_flag != "", "chip_flag build argument wasn't provided.")
+
+assert(bt_tmp_path != "", "bt_tmp_path build argument wasn't provided.")
+assert(bt_misc_path != "", "bt_misc_path build argument wasn't provided.")
+assert(bt_etc_path != "", "bt_etc_path build argument wasn't provided.")
+
+config("default_include_dirs") {
+  include_dirs = [
+    mtk_include_path,
+    bluedroid_hci_include_path,
+    libhw_include_path,
+    nvram_include_path,
+    cutils_include_path,
+    sysprop_include_path,
+    external_include_for_vendor_path,
+  ]
+}
+
+config("linux") {
+  # TODO(keybuk): AndroidConfig.h or equivalent
+
+  cflags = [
+    "-Wall",
+    #"-Werror",
+    "-g",
+    "-O0",
+    "-fpic",
+    "-fdata-sections",
+    "-ffunction-sections",
+    "-fvisibility=hidden",
+    "-DHAS_MDROID_BUILDCFG",
+    "-DMTK_BLUEDROID_PATCH",
+    chip_flag,
+    bdaddr_flag,
+    c4a_flag,
+    nvram_flag,
+    bt_sys_log_flag,
+    rpc_dbg_flag,
+    merge_interface,
+  ]
+
+  cflags_c = [ "-std=c99" ]
+
+  cflags_cc = [
+#TODO(jpawlowski): we should use same c++ version as Android, which is c++11,
+# but we use some c++14 features. Uncomment when this get fixed in code.:
+    "-std=c++1y",
+    "-fno-exceptions",
+  ]
+
+  defines = [
+    "_FORTIFY_SOURCE=2",
+    "_GNU_SOURCE",
+    "HAS_NO_BDROID_BUILDCFG",
+    "LOG_NDEBUG=1",
+    "EXPORT_SYMBOL=__attribute__((visibility(\"default\")))",
+    "KERNEL_MISSING_CLOCK_BOOTTIME_ALARM=TRUE",
+
+    # This is a macro to that can be used by source code to detect if the
+    # current build is done by GN or via Android.mk. This is a temporary
+    # workaround until we can remove all Android-specific dependencies.
+    "OS_GENERIC",
+    "MTK_COMBO_SUPPORT",
+    "HAVE_SYS_UIO_H",
+
+    "BT_TMP_PATH=\"$bt_tmp_path/\"",
+    "BT_MISC_PATH=\"$bt_misc_path/\"",
+    "BT_ETC_PATH=\"$bt_etc_path/\"",
+  ]
+}
+
+config("pic") {
+  cflags = [ "-fPIC" ]
+}
+
+config("gc") {
+  ldflags = [ "-Wl,--gc-sections" ]
+}

src/connectivity/bt_others/vendor_lib/mt66xx/build/config/BUILDCONFIG.gn

@@ -0,0 +1,49 @@
+#
+#  Copyright (C) 2015 Google, Inc.
+#
+#  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.
+#
+
+set_default_toolchain("//build/toolchain/gcc")
+
+set_defaults("executable") {
+  configs = [
+    "//build:linux",
+    "//build:gc",
+    "//build:default_include_dirs",
+  ]
+}
+
+set_defaults("shared_library") {
+  configs = [
+    "//build:linux",
+    "//build:gc",
+    "//build:default_include_dirs",
+  ]
+}
+
+set_defaults("source_set") {
+  configs = [
+    "//build:linux",
+    "//build:gc",
+    "//build:default_include_dirs",
+  ]
+}
+
+set_defaults("static_library") {
+  configs = [
+    "//build:linux",
+    "//build:gc",
+    "//build:default_include_dirs",
+  ]
+}

src/connectivity/bt_others/vendor_lib/mt66xx/build/toolchain/gcc/BUILD.gn

@@ -0,0 +1,105 @@
+#
+#  Copyright (C) 2015 Google, Inc.
+#
+#  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.
+#
+
+declare_args() {
+  external_libs_for_vendor_path = ""
+  cc = ""
+  cxx = ""
+}
+
+assert(external_libs_for_vendor_path != "", "zlib_path build argument wasn't provided.")
+assert(cc != "", "cc build argument wasn't provided.")
+assert(cxx != "", "cxx build argument wasn't provided.")
+
+toolchain("gcc") {
+  tool("cc") {
+    depfile = "{{output}}.d"
+    command = "$cc -MMD -MF $depfile {{defines}} {{include_dirs}} {{cflags}} {{cflags_c}} -c {{source}} -o {{output}}"
+    depsformat = "gcc"
+    description = "CC {{output}}"
+    outputs = [
+      "{{source_out_dir}}/{{target_output_name}}.{{source_name_part}}.o",
+    ]
+  }
+
+  tool("cxx") {
+    depfile = "{{output}}.d"
+    command = "$cxx -MMD -MF $depfile {{defines}} {{include_dirs}} {{cflags}} {{cflags_cc}} -c {{source}} -o {{output}}"
+    depsformat = "gcc"
+    description = "CXX {{output}}"
+    outputs = [
+      "{{source_out_dir}}/{{target_output_name}}.{{source_name_part}}.o",
+    ]
+  }
+
+  tool("alink") {
+    rspfile = "{{output}}.rsp"
+    command = "rm -f {{output}} && ar rcs {{output}} @$rspfile"
+    description = "AR {{target_output_name}}{{output_extension}}"
+    rspfile_content = "{{inputs}}"
+    outputs = [
+      "{{target_out_dir}}/{{target_output_name}}{{output_extension}}",
+    ]
+    default_output_extension = ".a"
+
+    output_prefix = "lib"
+  }
+
+  tool("solink") {
+    soname = "{{target_output_name}}{{output_extension}}"  # e.g. "libfoo.so".
+    rspfile = soname + ".rsp"
+
+    command =
+        "$cxx -shared {{ldflags}} -o $soname -Wl,-soname=$soname @$rspfile"
+    rspfile_content = "-Wl,--whole-archive {{inputs}} {{solibs}} -Wl,--no-whole-archive $external_libs_for_vendor_path {{libs}}"
+
+    description = "SOLINK $soname"
+
+    # Use this for {{output_extension}} expansions unless a target manually
+    # overrides it (in which case {{output_extension}} will be what the target
+    # specifies).
+    default_output_extension = ".so"
+
+    outputs = [
+      soname,
+    ]
+    link_output = soname
+    depend_output = soname
+
+    output_prefix = "lib"
+  }
+
+  tool("link") {
+    outfile = "{{target_output_name}}{{output_extension}}"
+    rspfile = "$outfile.rsp"
+    command = "$cxx {{ldflags}} -o $outfile -Wl,--start-group @$rspfile {{solibs}} -Wl,--end-group $external_libs_for_vendor_path {{libs}}"
+    description = "LINK $outfile"
+    rspfile_content = "{{inputs}}"
+    outputs = [
+      outfile,
+    ]
+  }
+
+  tool("stamp") {
+    command = "touch {{output}}"
+    description = "STAMP {{output}}"
+  }
+
+  tool("copy") {
+    command = "cp -af {{source}} {{output}}"
+    description = "COPY {{source}} {{output}}"
+  }
+}

src/connectivity/bt_stack/bluedroid_turnkey/build/BUILD.gn

@@ -0,0 +1,117 @@
+#
+#  Copyright (C) 2015 Google, Inc.
+#
+#  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.
+#
+
+declare_args() {
+  libhw_include_path = ""
+  core_include_path = ""
+  audio_include_path = ""
+  zlib_include_path = ""
+  conf_path = ""
+  cache_path = ""
+
+  bt_tmp_path = ""
+  bt_misc_path = ""
+  bt_etc_path = ""
+  bt_sys_log_flag = ""
+  bt_performance_analysis_flag = ""
+  rpc_dbg_flag = ""
+  enable_aac = ""
+  aac_include_path = ""
+  aac_link = ""
+}
+
+assert(libhw_include_path != "", "libhw_include_path build argument wasn't provided.")
+assert(core_include_path != "", "core_include_path build argument wasn't provided.")
+assert(audio_include_path != "", "audio_include_path build argument wasn't provided.")
+assert(zlib_include_path != "", "zlib_include_path build argument wasn't provided.")
+assert(conf_path != "", "conf_path build argument wasn't provided.")
+assert(cache_path != "", "cache_path build argument wasn't provided.")
+
+assert(bt_tmp_path != "", "bt_tmp_path build argument wasn't provided.")
+assert(bt_misc_path != "", "bt_misc_path build argument wasn't provided.")
+assert(bt_etc_path != "", "bt_etc_path build argument wasn't provided.")
+
+config("default_include_dirs") {
+  include_dirs = [
+    libhw_include_path,
+    core_include_path,
+    audio_include_path,
+    zlib_include_path,
+    "//mediatek/include",
+    "//hci/include",
+    aac_include_path,
+  ]
+}
+
+config("linux") {
+  # TODO(keybuk): AndroidConfig.h or equivalent
+
+  cflags = [
+    "-Wall",
+    #"-Werror",
+    "-g",
+    "-rdynamic",
+    "-funwind-tables",
+    "-Os",
+    "-fpic",
+    "-fdata-sections",
+    "-ffunction-sections",
+    "-fvisibility=hidden",
+    "-DMTK_BLUEDROID_PATCH",
+    bt_sys_log_flag,
+    bt_performance_analysis_flag,
+    rpc_dbg_flag,
+    enable_aac,
+  ]
+
+  cflags_c = [ "-std=c99" ]
+
+  cflags_cc = [
+#TODO(jpawlowski): we should use same c++ version as Android, which is c++11,
+# but we use some c++14 features. Uncomment when this get fixed in code.:
+    "-std=c++1y",
+    "-fno-exceptions",
+  ]
+
+  defines = [
+    "_FORTIFY_SOURCE=2",
+    "_GNU_SOURCE",
+    "HAS_NO_BDROID_BUILDCFG",
+    "LOG_NDEBUG=1",
+    "EXPORT_SYMBOL=__attribute__((visibility(\"default\")))",
+    "KERNEL_MISSING_CLOCK_BOOTTIME_ALARM=TRUE",
+
+    # This is a macro to that can be used by source code to detect if the
+    # current build is done by GN or via Android.mk. This is a temporary
+    # workaround until we can remove all Android-specific dependencies.
+    "OS_GENERIC",
+    "MTK_LINUX",
+    "BT_CONF_PATH=\"$conf_path/\"",
+    "BT_CACHE_PATH=\"$cache_path/\"",
+
+    "BT_TMP_PATH=\"$bt_tmp_path/\"",
+    "BT_MISC_PATH=\"$bt_misc_path/\"",
+    "BT_ETC_PATH=\"$bt_etc_path/\"",
+  ]
+}
+
+config("pic") {
+  cflags = [ "-fPIC" ]
+}
+
+config("gc") {
+  ldflags = [ "-Wl,--gc-sections" ]
+}

src/connectivity/bt_stack/bluedroid_turnkey/build/config/BUILDCONFIG.gn

@@ -0,0 +1,49 @@
+#
+#  Copyright (C) 2015 Google, Inc.
+#
+#  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.
+#
+
+set_default_toolchain("//build/toolchain/gcc")
+
+set_defaults("executable") {
+  configs = [
+    "//build:linux",
+    "//build:gc",
+    "//build:default_include_dirs",
+  ]
+}
+
+set_defaults("shared_library") {
+  configs = [
+    "//build:linux",
+    "//build:gc",
+    "//build:default_include_dirs",
+  ]
+}
+
+set_defaults("source_set") {
+  configs = [
+    "//build:linux",
+    "//build:gc",
+    "//build:default_include_dirs",
+  ]
+}
+
+set_defaults("static_library") {
+  configs = [
+    "//build:linux",
+    "//build:gc",
+    "//build:default_include_dirs",
+  ]
+}

src/connectivity/bt_stack/bluedroid_turnkey/build/toolchain/gcc/BUILD.gn

@@ -0,0 +1,105 @@
+#
+#  Copyright (C) 2015 Google, Inc.
+#
+#  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.
+#
+
+declare_args() {
+  zlib_path = ""
+  cc = ""
+  cxx = ""
+}
+
+assert(zlib_path != "", "zlib_path build argument wasn't provided.")
+assert(cc != "", "cc build argument wasn't provided.")
+assert(cxx != "", "cxx build argument wasn't provided.")
+
+toolchain("gcc") {
+  tool("cc") {
+    depfile = "{{output}}.d"
+    command = "$cc -MMD -MF $depfile {{defines}} {{include_dirs}} {{cflags}} {{cflags_c}} -c {{source}} -o {{output}}"
+    depsformat = "gcc"
+    description = "CC {{output}}"
+    outputs = [
+      "{{source_out_dir}}/{{target_output_name}}.{{source_name_part}}.o",
+    ]
+  }
+
+  tool("cxx") {
+    depfile = "{{output}}.d"
+    command = "$cxx -MMD -MF $depfile {{defines}} {{include_dirs}} {{cflags}} {{cflags_cc}} -c {{source}} -o {{output}}"
+    depsformat = "gcc"
+    description = "CXX {{output}}"
+    outputs = [
+      "{{source_out_dir}}/{{target_output_name}}.{{source_name_part}}.o",
+    ]
+  }
+
+  tool("alink") {
+    rspfile = "{{output}}.rsp"
+    command = "rm -f {{output}} && ar rcs {{output}} @$rspfile"
+    description = "AR {{target_output_name}}{{output_extension}}"
+    rspfile_content = "{{inputs}}"
+    outputs = [
+      "{{target_out_dir}}/{{target_output_name}}{{output_extension}}",
+    ]
+    default_output_extension = ".a"
+
+    output_prefix = "lib"
+  }
+
+  tool("solink") {
+    soname = "{{target_output_name}}{{output_extension}}"  # e.g. "libfoo.so".
+    rspfile = soname + ".rsp"
+
+    command =
+        "$cxx -shared {{ldflags}} -o $soname -Wl,-soname=$soname @$rspfile"
+    rspfile_content = "-Wl,--whole-archive {{inputs}} {{solibs}} -Wl,--no-whole-archive $zlib_path {{libs}}"
+
+    description = "SOLINK $soname"
+
+    # Use this for {{output_extension}} expansions unless a target manually
+    # overrides it (in which case {{output_extension}} will be what the target
+    # specifies).
+    default_output_extension = ".so"
+
+    outputs = [
+      soname,
+    ]
+    link_output = soname
+    depend_output = soname
+
+    output_prefix = "lib"
+  }
+
+  tool("link") {
+    outfile = "{{target_output_name}}{{output_extension}}"
+    rspfile = "$outfile.rsp"
+    command = "$cxx {{ldflags}} -o $outfile -Wl,--start-group @$rspfile {{solibs}} -Wl,--end-group {{libs}}"
+    description = "LINK $outfile"
+    rspfile_content = "{{inputs}}"
+    outputs = [
+      outfile,
+    ]
+  }
+
+  tool("stamp") {
+    command = "touch {{output}}"
+    description = "STAMP {{output}}"
+  }
+
+  tool("copy") {
+    command = "cp -af {{source}} {{output}}"
+    description = "COPY {{source}} {{output}}"
+  }
+}