Add support for building the Dart VM for Android OS.

runtime/bin/directory_macos.cc

Index: runtime/bin/directory_macos.cc
diff --git a/runtime/bin/directory_posix.cc b/runtime/bin/directory_macos.cc
similarity index 99%
rename from runtime/bin/directory_posix.cc
rename to runtime/bin/directory_macos.cc
index 7adb80f9156ab2d308131aee2181243b35b85a27..6df8cf7edb6affe99cbdcd070c716ca4688d4dc4 100644
--- a/runtime/bin/directory_posix.cc
+++ b/runtime/bin/directory_macos.cc
@@ -386,7 +386,6 @@ bool Directory::Create(const char* dir_name) {
   return (TEMP_FAILURE_RETRY(mkdir(dir_name, 0777)) == 0);
 }
 

[cshapiro, 2012/08/07 20:56:54]

2 spaces between definitions.

[jackpal, 2012/08/07 21:43:26]

Done.

-
 char* Directory::CreateTemp(const char* const_template) {
   // Returns a new, unused directory name, modifying the contents of
   // dir_template.  Creates the directory with the permissions specified
@@ -415,7 +414,6 @@ char* Directory::CreateTemp(const char* const_template) {
   return path;
 }
 

[cshapiro, 2012/08/07 20:56:54]

ditto

[jackpal, 2012/08/07 21:43:26]

Done.

-
 bool Directory::Delete(const char* dir_name, bool recursive) {
   if (!recursive) {
     return (TEMP_FAILURE_RETRY(remove(dir_name)) == 0);