flutter · stuartmorgan-g · Jun 4, 2020 · Jun 2, 2020 · Jun 2, 2020 · Jun 2, 2020
diff --git a/shell/platform/common/cpp/BUILD.gn b/shell/platform/common/cpp/BUILD.gn
@@ -67,7 +67,7 @@ source_set("common_cpp") {
   deps = [
     ":common_cpp_library_headers",
     "//flutter/shell/platform/common/cpp/client_wrapper:client_wrapper",
-    "//flutter/shell/platform/embedder:embedder_with_symbol_prefix",
+    "//flutter/shell/platform/embedder:embedder_as_internal_library",
   ]
 
   public_deps = [

diff --git a/shell/platform/darwin/macos/BUILD.gn b/shell/platform/darwin/macos/BUILD.gn
@@ -70,7 +70,7 @@ source_set("flutter_framework_source") {
 
   deps = [
     "//flutter/shell/platform/darwin/common:framework_shared",
-    "//flutter/shell/platform/embedder:embedder_with_symbol_prefix",
+    "//flutter/shell/platform/embedder:embedder_as_internal_library",
   ]
 
   public_configs = [ "//flutter:config" ]
@@ -115,7 +115,7 @@ executable("flutter_desktop_darwin_unittests") {
     ":flutter_desktop_darwin_fixtures",
     ":flutter_framework_source",
     "//flutter/shell/platform/darwin/common:framework_shared",
-    "//flutter/shell/platform/embedder:embedder_with_symbol_prefix",
+    "//flutter/shell/platform/embedder:embedder_as_internal_library",
     "//flutter/testing",
     "//flutter/testing:dart",
     "//flutter/testing:skia",

diff --git a/shell/platform/embedder/BUILD.gn b/shell/platform/embedder/BUILD.gn
@@ -86,8 +86,8 @@ embedder_source_set("embedder") {
   public_configs = []
 }
 
-embedder_source_set("embedder_with_symbol_prefix") {
-  public_configs = [ ":embedder_prefix_config" ]
+embedder_source_set("embedder_as_internal_library") {
+  public_configs = [ ":embedder_internal_library_config" ]
 }
 
 source_set("embedder_headers") {
@@ -98,8 +98,16 @@ source_set("embedder_headers") {
   public_configs = [ "//flutter:config" ]
 }
 
-config("embedder_prefix_config") {
-  defines = [ "FLUTTER_API_SYMBOL_PREFIX=Embedder" ]
+# For using the embedder API as internal implementation detail of an
+# embedding.
+config("embedder_internal_library_config") {
+  defines = [
+    # Use prefixed symbols to avoid collisions with higher level API.
+    "FLUTTER_API_SYMBOL_PREFIX=Embedder",
+
+    # Don't export the embedder.h API surface.
+    "FLUTTER_NO_EXPORT",
+  ]
 }
 
 test_fixtures("fixtures") {

diff --git a/shell/platform/embedder/embedder.cc b/shell/platform/embedder/embedder.cc
@@ -14,11 +14,13 @@
 #include "third_party/dart/runtime/bin/elf_loader.h"
 #include "third_party/dart/runtime/include/dart_native_api.h"
 
+#if !defined(FLUTTER_NO_EXPORT)
 #if OS_WIN
 #define FLUTTER_EXPORT __declspec(dllexport)
 #else  // OS_WIN
 #define FLUTTER_EXPORT __attribute__((visibility("default")))
 #endif  // OS_WIN
+#endif  // !FLUTTER_NO_EXPORT
 
 extern "C" {
 #if FLUTTER_RUNTIME_MODE == FLUTTER_RUNTIME_MODE_DEBUG

diff --git a/shell/platform/glfw/BUILD.gn b/shell/platform/glfw/BUILD.gn
@@ -55,7 +55,7 @@ source_set("flutter_glfw") {
     "//flutter/shell/platform/common/cpp:common_cpp",
     "//flutter/shell/platform/common/cpp:common_cpp_input",
     "//flutter/shell/platform/common/cpp/client_wrapper:client_wrapper",
-    "//flutter/shell/platform/embedder:embedder_with_symbol_prefix",
+    "//flutter/shell/platform/embedder:embedder_as_internal_library",
     "//flutter/shell/platform/glfw/client_wrapper:client_wrapper_glfw",
     "//third_party/rapidjson",
   ]

diff --git a/shell/platform/linux/BUILD.gn b/shell/platform/linux/BUILD.gn
@@ -123,7 +123,7 @@ source_set("flutter_linux") {
   ]
 
   deps = [
-    "//flutter/shell/platform/embedder:embedder_with_symbol_prefix",
+    "//flutter/shell/platform/embedder:embedder_as_internal_library",
   ]
 }
 

diff --git a/shell/platform/windows/BUILD.gn b/shell/platform/windows/BUILD.gn
@@ -74,7 +74,7 @@ source_set("flutter_windows_source") {
     "//flutter/shell/platform/common/cpp:common_cpp",
     "//flutter/shell/platform/common/cpp:common_cpp_input",
     "//flutter/shell/platform/common/cpp/client_wrapper:client_wrapper",
-    "//flutter/shell/platform/embedder:embedder_with_symbol_prefix",
+    "//flutter/shell/platform/embedder:embedder_as_internal_library",
     "//flutter/shell/platform/windows/client_wrapper:client_wrapper_windows",
     "//third_party/angle:libEGL_static",  # the order of libEGL_static and libGLESv2_static is important.. if reversed, will cause a linker error DllMain already defined in LIBCMTD.lib
     "//third_party/angle:libGLESv2_static",
-Original file line number
+Diff line change
@@ Expand Up / @@ -123,7 +123,7 @@ source_set("flutter_linux") { @@
       ]
       deps = [
-        "//flutter/shell/platform/embedder:embedder_with_symbol_prefix",
+        "//flutter/shell/platform/embedder:embedder_as_internal_library",
       ]
     }
@@ Expand Down @@