Clone of chromium aad1ce808763f59c7a3753e08f1500a104ecc6fd refs/remotes/origin/HEAD
diff --git a/third_party/boringssl/BUILD.gn b/third_party/boringssl/BUILD.gn
new file mode 100644
index 0000000..cc3701d
--- /dev/null
+++ b/third_party/boringssl/BUILD.gn
@@ -0,0 +1,79 @@
+# Copyright 2014 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+# Config for us and everybody else depending on BoringSSL.
+config("openssl_config") {
+  include_dirs = []
+  include_dirs += [ "src/include" ]
+  if (is_component_build) {
+    defines = [
+      "BORINGSSL_SHARED_LIBRARY",
+    ]
+  }
+}
+
+# Config internal to this build file.
+config("openssl_internal_config") {
+  visibility = [ ":*" ]  # Only targets in this file can depend on this.
+}
+
+# The list of BoringSSL files is kept in boringssl.gypi.
+gypi_values = exec_script(
+    "//build/gypi_to_gn.py",
+    [ rebase_path("//third_party/boringssl/boringssl.gypi") ],
+    "scope",
+    [ "//third_party/boringssl/boringssl.gypi" ])
+
+component("boringssl") {
+  sources = gypi_values.boringssl_lib_sources
+
+  public_configs = [ ":openssl_config" ]
+
+  cflags = []
+  defines = [
+    "BORINGSSL_IMPLEMENTATION",
+    "BORINGSSL_NO_STATIC_INITIALIZER",
+  ]
+  if (is_component_build) {
+    defines += [
+      "BORINGSSL_SHARED_LIBRARY",
+    ]
+  }
+
+  configs -= [ "//build/config/compiler:chromium_code" ]
+  configs += [ "//build/config/compiler:no_chromium_code" ]
+
+  # Also gets the include dirs from :openssl_config
+  include_dirs = [
+    "src/include",
+    # This is for arm_arch.h, which is needed by some asm files. Since the
+    # asm files are generated and kept in a different directory, they
+    # cannot use relative paths to find this file.
+    "src/crypto",
+  ]
+
+  if (cpu_arch == "x64") {
+    if (is_mac) {
+      sources += gypi_values.boringssl_mac_x86_64_sources
+    } else if (is_linux || is_android) {
+      sources += gypi_values.boringssl_linux_x86_64_sources
+    } else if (is_win) {
+      sources += gypi_values.boringssl_win_x86_64_sources
+    } else {
+      defines += [ "OPENSSL_NO_ASM" ]
+    }
+  } else if (cpu_arch == "x86") {
+    if (is_mac) {
+      sources += gypi_values.boringssl_mac_x86_sources
+    } else if (is_linux || is_android) {
+      sources += gypi_values.boringssl_linux_x86_sources
+    } else {
+      defines += [ "OPENSSL_NO_ASM" ]
+    }
+  } else if (cpu_arch == "arm") {
+    sources += gypi_values.boringssl_linux_arm_sources
+  } else {
+    defines += [ "OPENSSL_NO_ASM" ]
+  }
+}