Always build GTK shell (flutter#17634)

DEPS

@@ -139,7 +139,7 @@ allowed_hosts = [
 ]
 
 deps = {
-  'src': 'https://github.com/flutter/buildroot.git' + '@' + '0c64fd23eeedbad60c2bfa294710cd587ccb7c27',
+  'src': 'https://github.com/flutter/buildroot.git' + '@' + '036715c76da60220b39312ea066cd65d32c2157d',
 
    # Fuchsia compatibility
    #
@@ -179,6 +179,9 @@ deps = {
   'src/third_party/icu':
    Var('chromium_git') + '/chromium/deps/icu.git' + '@' + '5005010d694e16571b8dfbf07d70817841f80a69',
 
+  'src/third_party/khronos':
+   Var('chromium_git') + '/chromium/src/third_party/khronos.git' + '@' + '7122230e90547962e0f0c627f62eeed3c701f275',
+
   'src/third_party/boringssl':
    Var('github_git') + '/dart-lang/boringssl_gen.git' + '@' + Var('dart_boringssl_gen_rev'),
 

ci/licenses_golden/licenses_gpu

@@ -0,0 +1,42 @@
+Signature: ffe64a3daaf0ad982854594ad155dd56
+
+UNUSED LICENSES:
+
+
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+USED LICENSES:
+
+====================================================================================================
+LIBRARY: gpu
+ORIGIN: ../../../flutter/LICENSE
+TYPE: LicenseType.bsd
+FILE: ../../../gpu/GLES2/gl2chromium.h
+FILE: ../../../gpu/command_buffer/client/gles2_c_lib_export.h
+----------------------------------------------------------------------------------------------------
+Copyright 2013 The Flutter Authors. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without modification,
+are permitted provided that the following conditions are met:
+
+    * Redistributions of source code must retain the above copyright
+      notice, this list of conditions and the following disclaimer.
+    * Redistributions in binary form must reproduce the above
+      copyright notice, this list of conditions and the following
+      disclaimer in the documentation and/or other materials provided
+      with the distribution.
+    * Neither the name of Google Inc. nor the names of its
+      contributors may be used to endorse or promote products derived
+      from this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
+ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+====================================================================================================
+Total license count: 1

shell/platform/linux/BUILD.gn

@@ -5,23 +5,19 @@
 assert(is_linux)
 
 import("//flutter/shell/platform/glfw/config.gni")
-import("//flutter/shell/platform/linux/config.gni")
 
 group("linux") {
-  deps = []
+  deps = [
+    ":flutter_linux_gtk",
+    ":publish_headers_linux",
+  ]
   if (build_glfw_shell) {
     deps += [
       ":flutter_linux_glfw",
       "//flutter/shell/platform/glfw:publish_headers_glfw",
       "//flutter/shell/platform/glfw/client_wrapper:publish_wrapper_glfw",
     ]
   }
-  if (build_linux_shell) {
-    deps += [
-      ":flutter_linux_gtk",
-      ":publish_headers_linux",
-    ]
-  }
 }
 
 # Temporary workaround for the issue describe in
@@ -46,50 +42,49 @@ if (build_glfw_shell) {
   }
 }
 
-if (build_linux_shell) {
-  _public_headers = [
-    "public/flutter_linux/fl_dart_project.h",
-    "public/flutter_linux/fl_view.h",
-    "public/flutter_linux/flutter_linux.h",
-  ]
+_public_headers = [
+  "public/flutter_linux/fl_dart_project.h",
+  "public/flutter_linux/fl_view.h",
+  "public/flutter_linux/flutter_linux.h",
+]
 
-  config("relative_flutter_linux_headers") {
-    include_dirs = [ "public" ]
-  }
+config("relative_flutter_linux_headers") {
+  include_dirs = [ "public" ]
+}
 
-  source_set("flutter_linux") {
-    public = _public_headers
+source_set("flutter_linux") {
+  public = _public_headers
 
-    sources = [
-      "fl_dart_project.cc",
-      "fl_view.cc",
-    ]
+  sources = [
+    "fl_dart_project.cc",
+    "fl_view.cc",
+  ]
 
-    configs += [
-      "//flutter/shell/platform/linux/config:gtk",
-      "//flutter/shell/platform/linux/config:egl",
-    ]
+  configs += [
+    "//flutter/shell/platform/linux/config:gtk",
+    "//flutter/shell/platform/linux/config:egl",
+    "//third_party/khronos:khronos_headers",
+  ]
 
-    # Set flag to stop headers being directly included (library users should not do this)
-    defines = [ "FLUTTER_LINUX_COMPILATION" ]
+  # Set flag to stop headers being directly included (library users should not do this)
+  defines = [ "FLUTTER_LINUX_COMPILATION" ]
 
-    deps = [
-      "//flutter/shell/platform/embedder:embedder_with_symbol_prefix",
-    ]
-  }
+  deps = [
+    "//flutter/shell/platform/embedder:embedder_with_symbol_prefix",
+  ]
+}
 
-  shared_library("flutter_linux_gtk") {
-    deps = [
-      ":flutter_linux",
-    ]
+shared_library("flutter_linux_gtk") {
+  deps = [
+    ":flutter_linux",
+  ]
 
-    public_configs = [ "//flutter:config" ]
-  }
+  public_configs = [ "//flutter:config" ]
+}
 
-  copy("publish_headers_linux") {
-    sources = _public_headers
-    outputs = [
-      "$root_out_dir/flutter_linux/{{source_file_part}}",
-    ]
-  }
+copy("publish_headers_linux") {
+  sources = _public_headers
+  outputs = [
+    "$root_out_dir/flutter_linux/{{source_file_part}}",
+  ]
 }

shell/platform/linux/config/BUILD.gn

@@ -3,17 +3,15 @@
 # found in the LICENSE file.
 
 import("//build/config/linux/pkg_config.gni")
-import("//flutter/shell/platform/linux/config.gni")
 
 pkg_config("x11") {
   packages = [ "x11" ]
 }
 
-if (build_linux_shell) {
-  pkg_config("gtk") {
-    packages = [ "gtk+-3.0" ]
-  }
-  pkg_config("egl") {
-    packages = [ "egl" ]
-  }
+pkg_config("gtk") {
+  packages = [ "gtk+-3.0" ]
+}
+
+pkg_config("egl") {
+  packages = [ "egl" ]
 }