Update ProgramDatabaseFile for Ninja

pylib/gyp/msvs_emulation.py

Index: pylib/gyp/msvs_emulation.py
===================================================================
--- pylib/gyp/msvs_emulation.py	(revision 1531)
+++ pylib/gyp/msvs_emulation.py	(working copy)
@@ -277,6 +277,16 @@
           output_file, config=config))
     return output_file
 
+  def GetPDBName(self, config, expand_special):
+    """Gets the explicitly overridden pdb name for a target or returns None
+    if it's not overridden."""
+    config = self._RealConfig(config)
+    output_file = self._Setting(('VCLinkerTool', 'ProgramDatabaseFile'), config)
+    if output_file:
+      output_file = expand_special(self.ConvertVSMacros(
+          output_file, config=config))
+    return output_file
+
   def GetCflags(self, config):
     """Returns the flags that need to be added to .c and .cc compilations."""
     config = self._RealConfig(config)
@@ -388,6 +398,9 @@
     out = self.GetOutputName(config, expand_special)
     if out:
       ldflags.append('/OUT:' + out)
+    pdb = self.GetPDBName(config, expand_special)
+    if pdb:
+      ldflags.append('/PDB:' + pdb)
     ld('AdditionalOptions', prefix='')
     ld('SubSystem', map={'1': 'CONSOLE', '2': 'WINDOWS'}, prefix='/SUBSYSTEM:')
     ld('LinkIncremental', map={'1': ':NO', '2': ''}, prefix='/INCREMENTAL')
@@ -402,7 +415,6 @@
     ld('IgnoreDefaultLibraryNames', prefix='/NODEFAULTLIB:')
     ld('ResourceOnlyDLL', map={'true': '/NOENTRY'})
     ld('EntryPointSymbol', prefix='/ENTRY:')
-    ld('ProgramDatabaseFile', prefix='/PDB:')
     ld('Profile', map={ 'true': '/PROFILE'})
     # TODO(scottmg): This should sort of be somewhere else (not really a flag).
     ld('AdditionalDependencies', prefix='')