Starting work on full GN build

runtime/BUILD.gn

Index: runtime/BUILD.gn
diff --git a/runtime/BUILD.gn b/runtime/BUILD.gn
index df10d3a7228afd3bc29a861ee2b6ae8df9f71834..d07dbd6b9782683db28d06ac4b46bb39846b9526 100644
--- a/runtime/BUILD.gn
+++ b/runtime/BUILD.gn
@@ -89,6 +89,11 @@ config("dart_precompiler_config") {
   defines += ["DART_PRECOMPILER"]
 }
 
+config("dart_no_snapshot_config") {
+  defines = []
+  defines += ["DART_NO_SNAPSHOT"]
+}
+
 config("dart_config") {
   defines = []
 
@@ -97,23 +102,39 @@ config("dart_config") {
   }
 
   if (dart_target_arch != "") {
-    if (dart_target_arch == "arm") {
+    if ((dart_target_arch == "arm") ||
+        (dart_target_arch == "simarm")) {
       defines += [ "TARGET_ARCH_ARM" ]
       if (target_os == "mac" || target_os == "ios") {
         defines += [ "TARGET_ABI_IOS" ]
       } else {
         defines += [ "TARGET_ABI_EABI" ]
       }
-    } else if (dart_target_arch == "arm64") {
+    } else if ((dart_target_arch == "armv6") ||
+               (dart_target_arch == "simarmv6")) {
+      defines += [ "TARGET_ARCH_ARM" ]
+      defines += [ "TARGET_ARCH_ARM_6" ]
+      defines += [ "TARGET_ABI_EABI" ]
+    } else if ((dart_target_arch == "armv5te") ||
+               (dart_target_arch == "simarmv5te")) {
+      defines += [ "TARGET_ARCH_ARM" ]
+      defines += [ "TARGET_ARCH_ARM_5TE" ]
+      defines += [ "TARGET_ABI_EABI" ]
+    } else if ((dart_target_arch == "arm64") ||
+               (dart_target_arch == "simarm64")) {
       defines += [ "TARGET_ARCH_ARM64" ]
-    } else if (dart_target_arch == "mips") {
+    } else if ((dart_target_arch == "mips") ||
+               (dart_target_arch == "simmips")) {
       defines += [ "TARGET_ARCH_MIPS" ]
     } else if (dart_target_arch == "x64") {
       defines += [ "TARGET_ARCH_X64" ]
     } else if (dart_target_arch == "ia32") {
       defines += [ "TARGET_ARCH_IA32" ]
-    } else if (dart_target_arch == "dbc") {
+    } else if ((dart_target_arch == "dbc") ||
+               (dart_target_arch == "simdbc") ||
+               (dart_target_arch == "simdbc64")) {
       defines += [ "TARGET_ARCH_DBC" ]
+      defines += [ "USING_SIMULATOR" ]
     } else  {
       print("Invalid |dart_target_arch|")
       assert(false)
@@ -161,8 +182,7 @@ config("dart_config") {
 
 static_library("libdart") {

[Cutch, 2016/09/21 23:26:27]

"libdart" and "libdart_precompiled_runtime" can be put behind a template to
avoid duplication.

[zra, 2016/09/22 06:08:17]

Done.

   configs += [":dart_config",
-              ":dart_product_config",
-              ":dart_precompiled_runtime_config"]
+              ":dart_product_config"]
   deps = [
     "vm:libdart_lib",
     "vm:libdart_vm",
@@ -187,6 +207,34 @@ static_library("libdart") {
   ]
 }
 
+static_library("libdart_precompiled_runtime") {
+  configs += [":dart_config",
+              ":dart_product_config",
+              ":dart_precompiled_runtime_config"]
+  deps = [
+    "vm:libdart_lib_precompiled_runtime",
+    "vm:libdart_vm_precompiled_runtime",
+    "third_party/double-conversion/src:libdouble_conversion",
+    ":generate_version_cc_file",
+  ]
+  include_dirs = [
+    ".",
+  ]
+  public_configs = [":dart_public_config"]
+  sources = [
+    "include/dart_api.h",
+    "include/dart_mirrors_api.h",
+    "include/dart_native_api.h",
+    "include/dart_tools_api.h",
+    "vm/dart_api_impl.cc",
+    "vm/debugger_api_impl.cc",
+    "vm/mirrors_api_impl.cc",
+    "vm/native_api_impl.cc",
+    "vm/version.h",
+    "$target_gen_dir/version.cc",
+  ]
+}
+
 action("generate_version_cc_file") {
   deps = [
     ":libdart_dependency_helper",
@@ -211,8 +259,7 @@ action("generate_version_cc_file") {
 
 executable("libdart_dependency_helper") {
   configs += [":dart_config",
-              ":dart_product_config",
-              ":dart_precompiled_runtime_config"]
+              ":dart_product_config"]
   deps = [
     "vm:libdart_lib_nosnapshot",
     "vm:libdart_lib",