Extract mojo_base.gyp from mojo.gyp

mojo/mojo_variables.gypi

Index: mojo/mojo_variables.gypi
diff --git a/mojo/mojo_variables.gypi b/mojo/mojo_variables.gypi
new file mode 100644
index 0000000000000000000000000000000000000000..24404d4abd4ad00daea21e2dd459b458a2608912
--- /dev/null
+++ b/mojo/mojo_variables.gypi
@@ -0,0 +1,46 @@
+{

[viettrungluu, 2014/07/28 22:18:53]

Missing copyright header.

Also, it'd be helpful to have a comment explaining what this file is for (and I
guess that it's included by multiple .gyp files?).

[Hajime Morrita, 2014/07/28 22:40:40]

Done.

+  'target_defaults': {
+    'conditions': [
+      ['mojo_shell_debug_url != ""', {
+        'defines': [
+          'MOJO_SHELL_DEBUG=1',
+          'MOJO_SHELL_DEBUG_URL="<(mojo_shell_debug_url)"',
+         ],
+      }],
+    ],
+  },
+  'variables': {
+    'chromium_code': 1,
+    'mojo_shell_debug_url%': "",
+    'conditions': [
+      #
+      # The following mojo_system-prefixed variables are used to express a
+      # dependency on the mojo system APIs.
+      #
+      # In a component == "shared_library" build, everything can link against
+      # mojo_system_impl because it is built as a shared library. However, in a
+      # component != "shared_library" build, mojo_system_impl is linked into an
+      # executable (e.g., mojo_shell), and must be injected into other shared
+      # libraries (i.e., Mojo Apps) that need the mojo system API.
+      #
+      # For component targets, add <(mojo_system_for_component) to your
+      # dependencies section.  For loadable module targets (e.g., a Mojo App),
+      # add <(mojo_system_for_loadable_module) to your dependencies section.
+      #
+      # NOTE: component != "shared_library" implies that we are generating a
+      # static library, and in that case, it is expected that the target
+      # listing the component as a dependency will specify either mojo_system
+      # or mojo_system_impl to link against. This enables multiple targets to
+      # link against the same component library without having to agree on
+      # which Mojo system library they are using.
+      #
+      ['component=="shared_library"', {
+        'mojo_system_for_component': "mojo_base.gyp:mojo_system_impl",
+        'mojo_system_for_loadable_module': "mojo_base.gyp:mojo_system_impl",
+      }, {
+        'mojo_system_for_component': "mojo_base.gyp:mojo_none",
+        'mojo_system_for_loadable_module': "mojo_base.gyp:mojo_system",
+      }],
+    ],
+  },
+}