Fuchsia: Allows building the full SDK for host and target.

runtime/bin/BUILD.gn

Index: runtime/bin/BUILD.gn
diff --git a/runtime/bin/BUILD.gn b/runtime/bin/BUILD.gn
index 495d1176725dab7fb4d5743b4a93f7ca69c250c7..78159eeb825069991271c6a56f64c609b449b7d9 100644
--- a/runtime/bin/BUILD.gn
+++ b/runtime/bin/BUILD.gn
@@ -773,7 +773,7 @@ action("generate_snapshot_test_dat_file") {
 }
 
 executable("run_vm_tests") {
-  if (defined(is_fuchsia) && is_fuchsia) {
+  if (defined(is_fuchsia) && (is_fuchsia || is_fuchsia_host)) {
     testonly = true
   }
 
@@ -824,44 +824,42 @@ executable("run_vm_tests") {
   }
 }
 
-if (!defined(is_fuchsia) || !is_fuchsia) {
-  shared_library("test_extension") {
-    deps = [
-      ":dart",
-    ]
-    sources = [
-      "test_extension.c",
-      "test_extension_dllmain_win.cc",
-    ]
-    include_dirs = [ ".." ]
-    defines = [
-      # The only effect of DART_SHARED_LIB is to export the Dart API.
-      "DART_SHARED_LIB",
-    ]
-    if (is_win) {
-      libs = [ "dart.lib" ]
-      abs_root_out_dir = rebase_path(root_out_dir)
-      ldflags = [ "/LIBPATH:$abs_root_out_dir" ]
-    }
+shared_library("test_extension") {
+  deps = [
+    ":dart",
+  ]
+  sources = [
+    "test_extension.c",
+    "test_extension_dllmain_win.cc",
+  ]
+  include_dirs = [ ".." ]
+  defines = [
+    # The only effect of DART_SHARED_LIB is to export the Dart API.
+    "DART_SHARED_LIB",
+  ]
+  if (is_win) {
+    libs = [ "dart.lib" ]
+    abs_root_out_dir = rebase_path(root_out_dir)
+    ldflags = [ "/LIBPATH:$abs_root_out_dir" ]
   }
+}
 
-  shared_library("sample_extension") {
-    deps = [
-      ":dart",
-    ]
-    sources = [
-      "../../samples/sample_extension/sample_extension.cc",
-      "../../samples/sample_extension/sample_extension_dllmain_win.cc",
-    ]
-    include_dirs = [ ".." ]
-    defines = [
-      # The only effect of DART_SHARED_LIB is to export the Dart API.
-      "DART_SHARED_LIB",
-    ]
-    if (is_win) {
-      libs = [ "dart.lib" ]
-      abs_root_out_dir = rebase_path(root_out_dir)
-      ldflags = [ "/LIBPATH:$abs_root_out_dir" ]
-    }
+shared_library("sample_extension") {
+  deps = [
+    ":dart",
+  ]
+  sources = [
+    "../../samples/sample_extension/sample_extension.cc",
+    "../../samples/sample_extension/sample_extension_dllmain_win.cc",
+  ]
+  include_dirs = [ ".." ]
+  defines = [
+    # The only effect of DART_SHARED_LIB is to export the Dart API.
+    "DART_SHARED_LIB",
+  ]
+  if (is_win) {
+    libs = [ "dart.lib" ]
+    abs_root_out_dir = rebase_path(root_out_dir)
+    ldflags = [ "/LIBPATH:$abs_root_out_dir" ]
   }
 }