From bb4ac488bc1445ecd8a94eaff0ebab84b20a5eae Mon Sep 17 00:00:00 2001
From: alex-hofsteede <alexh@mixpanel.com>
Date: Wed, 20 Nov 2013 15:04:05 -0800
Subject: [PATCH] Add preproccessor check to make sure that files are compiled
 with ARC

---
 Mixpanel/MPSurvey.m                       | 4 ++++
 Mixpanel/MPSurveyNavigationController.m   | 4 ++++
 Mixpanel/MPSurveyQuestion.m               | 4 ++++
 Mixpanel/MPSurveyQuestionViewController.m | 4 ++++
 Mixpanel/Mixpanel.m                       | 6 +++++-
 Mixpanel/NSData+MPBase64.m                | 4 ++++
 Mixpanel/UIImage+MPAverageColor.m         | 4 ++++
 Mixpanel/UIImage+MPImageEffects.m         | 4 ++++
 Mixpanel/UIView+MPSnapshotImage.m         | 4 ++++
 9 files changed, 37 insertions(+), 1 deletion(-)

diff --git a/Mixpanel/MPSurvey.m b/Mixpanel/MPSurvey.m
index 59678f154..6f8826a04 100644
--- a/Mixpanel/MPSurvey.m
+++ b/Mixpanel/MPSurvey.m
@@ -1,3 +1,7 @@
+#if ! __has_feature(objc_arc)
+#error This file must be compiled with ARC. Either turn on ARC for the project or use -fobjc-arc flag on this file.
+#endif
+
 #import "MPSurvey.h"
 #import "MPSurveyQuestion.h"
 
diff --git a/Mixpanel/MPSurveyNavigationController.m b/Mixpanel/MPSurveyNavigationController.m
index 624f2bacc..ffa123790 100644
--- a/Mixpanel/MPSurveyNavigationController.m
+++ b/Mixpanel/MPSurveyNavigationController.m
@@ -1,3 +1,7 @@
+#if ! __has_feature(objc_arc)
+#error This file must be compiled with ARC. Either turn on ARC for the project or use -fobjc-arc flag on this file.
+#endif
+
 #import <Availability.h>
 #import <QuartzCore/QuartzCore.h>
 
diff --git a/Mixpanel/MPSurveyQuestion.m b/Mixpanel/MPSurveyQuestion.m
index d80a3f559..0ff58c994 100644
--- a/Mixpanel/MPSurveyQuestion.m
+++ b/Mixpanel/MPSurveyQuestion.m
@@ -1,3 +1,7 @@
+#if ! __has_feature(objc_arc)
+#error This file must be compiled with ARC. Either turn on ARC for the project or use -fobjc-arc flag on this file.
+#endif
+
 #import "MPSurveyQuestion.h"
 
 static NSString *MPSurveyQuestionTypeMultipleChoice = @"multiple_choice";
diff --git a/Mixpanel/MPSurveyQuestionViewController.m b/Mixpanel/MPSurveyQuestionViewController.m
index 8e3837818..2c66ebd9a 100644
--- a/Mixpanel/MPSurveyQuestionViewController.m
+++ b/Mixpanel/MPSurveyQuestionViewController.m
@@ -1,3 +1,7 @@
+#if ! __has_feature(objc_arc)
+#error This file must be compiled with ARC. Either turn on ARC for the project or use -fobjc-arc flag on this file.
+#endif
+
 #import <QuartzCore/QuartzCore.h>
 
 #import "MPSurveyQuestionViewController.h"
diff --git a/Mixpanel/Mixpanel.m b/Mixpanel/Mixpanel.m
index c12776f8f..ef78dc279 100755
--- a/Mixpanel/Mixpanel.m
+++ b/Mixpanel/Mixpanel.m
@@ -16,6 +16,10 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
+#if ! __has_feature(objc_arc)
+#error This file must be compiled with ARC. Either turn on ARC for the project or use -fobjc-arc flag on this file.
+#endif
+
 #include <arpa/inet.h>
 #include <net/if.h>
 #include <net/if_dl.h>
@@ -34,7 +38,7 @@
 #import "NSData+MPBase64.h"
 #import "UIView+MPSnapshotImage.h"
 
-#define VERSION @"2.1.0"
+#define VERSION @"2.2.0"
 
 #ifdef MIXPANEL_LOG
 #define MixpanelLog(...) NSLog(__VA_ARGS__)
diff --git a/Mixpanel/NSData+MPBase64.m b/Mixpanel/NSData+MPBase64.m
index e2f00f39b..78ee140cb 100644
--- a/Mixpanel/NSData+MPBase64.m
+++ b/Mixpanel/NSData+MPBase64.m
@@ -12,6 +12,10 @@
 //  appreciated but not required.
 //
 
+#if ! __has_feature(objc_arc)
+#error This file must be compiled with ARC. Either turn on ARC for the project or use -fobjc-arc flag on this file.
+#endif
+
 #import "NSData+MPBase64.h"
 
 //
diff --git a/Mixpanel/UIImage+MPAverageColor.m b/Mixpanel/UIImage+MPAverageColor.m
index 4c4e31892..3b9ab03c5 100644
--- a/Mixpanel/UIImage+MPAverageColor.m
+++ b/Mixpanel/UIImage+MPAverageColor.m
@@ -1,3 +1,7 @@
+#if ! __has_feature(objc_arc)
+#error This file must be compiled with ARC. Either turn on ARC for the project or use -fobjc-arc flag on this file.
+#endif
+
 #import "UIImage+MPAverageColor.h"
 
 @implementation UIImage (MPAverageColor)
diff --git a/Mixpanel/UIImage+MPImageEffects.m b/Mixpanel/UIImage+MPImageEffects.m
index 8a8006c18..282a5b11f 100644
--- a/Mixpanel/UIImage+MPImageEffects.m
+++ b/Mixpanel/UIImage+MPImageEffects.m
@@ -93,6 +93,10 @@ OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  5/3/2013
  */
 
+#if ! __has_feature(objc_arc)
+#error This file must be compiled with ARC. Either turn on ARC for the project or use -fobjc-arc flag on this file.
+#endif
+
 #import "UIImage+MPImageEffects.h"
 
 #import <Accelerate/Accelerate.h>
diff --git a/Mixpanel/UIView+MPSnapshotImage.m b/Mixpanel/UIView+MPSnapshotImage.m
index 311a83f0c..7822c667e 100644
--- a/Mixpanel/UIView+MPSnapshotImage.m
+++ b/Mixpanel/UIView+MPSnapshotImage.m
@@ -1,3 +1,7 @@
+#if ! __has_feature(objc_arc)
+#error This file must be compiled with ARC. Either turn on ARC for the project or use -fobjc-arc flag on this file.
+#endif
+
 #import <QuartzCore/QuartzCore.h>
 
 #import "UIView+MPSnapshotImage.h"