diff --git a/gyp/SampleApp.gyp b/gyp/SampleApp.gyp
index e54dbe0b37..e384e13bfa 100644
--- a/gyp/SampleApp.gyp
+++ b/gyp/SampleApp.gyp
@@ -101,7 +101,6 @@
         '../samplecode/SampleTypeface.cpp',
         '../samplecode/SampleUnitMapper.cpp',
         '../samplecode/SampleVertices.cpp',
-        '../samplecode/SampleXfermodes.cpp',
         '../samplecode/SampleXfermodesBlur.cpp',
         '../samplecode/TransitionView.cpp',
         '../samplecode/TransitionView.h',
diff --git a/gyp/common_variables.gypi b/gyp/common_variables.gypi
index b59bd11779..7dd5e3d890 100644
--- a/gyp/common_variables.gypi
+++ b/gyp/common_variables.gypi
@@ -85,7 +85,7 @@
       'skia_nacl%': 0,
       'skia_gpu%': 1,
       'ios_sdk_version%': '5.1',
-      'skia_osx_sdkroot%': 'macosx10.6',
+      'skia_osx_sdkroot%': 'macosx10.8',
     },
 
     # Re-define all variables defined within the level-2 'variables' dict,
diff --git a/gyp/gmslides.gypi b/gyp/gmslides.gypi
index 003cb05464..4044bb252b 100644
--- a/gyp/gmslides.gypi
+++ b/gyp/gmslides.gypi
@@ -1,6 +1,7 @@
 # include this gypi to include all the golden master slides.
 {
   'sources': [
+    '../gm/techtalk1.cpp',
     '../gm/aaclip.cpp',
     '../gm/aarectmodes.cpp',
     '../gm/arithmode.cpp',