Gyp changes for ninja iOS build.

build/ios/mac_build.gypi

Index: build/ios/mac_build.gypi
diff --git a/build/ios/mac_build.gypi b/build/ios/mac_build.gypi
index dd5ad1d24948465fba6882cb08bce8ae47502c44..c6a772e58bb9be1f3b848c97394ebce1087cf74c 100644
--- a/build/ios/mac_build.gypi
+++ b/build/ios/mac_build.gypi
@@ -39,6 +39,10 @@
 # }
 {
   'variables': {
+    'variables': {
+      'parent_generator%': 0,

[stuartmorgan, 2013/05/01 14:03:42]

0?

[justincohen, 2013/05/01 14:08:57]

It's just the default value.  It shouldn't matter what it is, since if it's the
default value, the parent gyp isn't using it.  Otherwise the compile is going to
fail regardless.

On 2013/05/01 14:03:42, stuartmorgan wrote:

+    },
+    'parent_generator%': '<(parent_generator)',
     # Common ninja command line flags.
     'ninja_cmd': [
       # Bounce through clean_env to clean up the environment so things
@@ -67,6 +71,7 @@
       '-Dios_mac_build=1',
       # Pass through the Mac SDK version.
       '-Dmac_sdk=<(mac_sdk)',
+      '-Dparent_generator=<(parent_generator)'
     ],
 
     # Rerun gyp for each of the projects needed. This is what actually