1 files changed, 16 insertions, 1 deletions
diff --git a/xpcom/base/moz.build b/xpcom/base/moz.build
index 03a0fa43a7..a59528c576 100644
--- a/xpcom/base/moz.build
+++ b/xpcom/base/moz.build
@@ -28,6 +28,17 @@ XPIDL_SOURCES += [
     'nsrootidl.idl',
 ]
 
+if CONFIG['MOZ_WIDGET_TOOLKIT'] == 'cocoa':
+    XPIDL_SOURCES += [
+        'nsIMacUtils.idl',
+    ]
+    EXPORTS.mozilla += [
+        'MacHelpers.h',
+    ]
+    UNIFIED_SOURCES += [
+        'MacHelpers.mm',
+    ]
+
 XPIDL_MODULE = 'xpcom_base'
 
 EXPORTS += [
@@ -125,7 +136,11 @@ if CONFIG['OS_ARCH'] == 'Linux':
         'SystemMemoryReporter.cpp',
     ]
 
-if CONFIG['MOZ_WIDGET_TOOLKIT'] == 'windows':
+if CONFIG['MOZ_WIDGET_TOOLKIT'] == 'cocoa':
+    SOURCES += [
+        'nsMacUtilsImpl.cpp',
+    ]
+elif CONFIG['MOZ_WIDGET_TOOLKIT'] == 'windows':
     SOURCES += [
         'nsCrashOnException.cpp',
     ]