From 855a7665aef505db456aa1c6f1cb9ea2b68056da Mon Sep 17 00:00:00 2001
From: Paul Beusterien <paulbeusterien@google.com>
Date: Fri, 13 Jul 2018 09:57:32 -0700
Subject: Restore iOS7 to GoogleUtilities (#1528)

---
 GoogleUtilities.podspec                                          | 2 +-
 GoogleUtilities/Environment/third_party/GULAppEnvironmentUtil.m  | 9 ++++++++-
 .../Example/Tests/Environment/GULAppEnvironmentUtilTest.m        | 4 ++++
 GoogleUtilities/Network/GULNetworkURLSession.m                   | 3 +++
 4 files changed, 16 insertions(+), 2 deletions(-)

diff --git a/GoogleUtilities.podspec b/GoogleUtilities.podspec
index 43833f2..957591c 100644
--- a/GoogleUtilities.podspec
+++ b/GoogleUtilities.podspec
@@ -19,7 +19,7 @@ other Google CocoaPods. They're not intended for direct public usage.
 #    :tag => 'Utilities-' + s.version.to_s
     :tag => 'pre-5.3-' + s.version.to_s
   }
-  s.ios.deployment_target = '6.0'
+  s.ios.deployment_target = '7.0'
   s.osx.deployment_target = '10.10'
   s.tvos.deployment_target = '10.0'
 
diff --git a/GoogleUtilities/Environment/third_party/GULAppEnvironmentUtil.m b/GoogleUtilities/Environment/third_party/GULAppEnvironmentUtil.m
index e96ba70..a1a63a2 100644
--- a/GoogleUtilities/Environment/third_party/GULAppEnvironmentUtil.m
+++ b/GoogleUtilities/Environment/third_party/GULAppEnvironmentUtil.m
@@ -19,6 +19,10 @@
 #import <mach-o/dyld.h>
 #import <sys/utsname.h>
 
+#if TARGET_OS_IOS
+#import <UIKit/UIKit.h>
+#endif
+
 /// The encryption info struct and constants are missing from the iPhoneSimulator SDK, but not from
 /// the iPhoneOS or Mac OS X SDKs. Since one doesn't ever ship a Simulator binary, we'll just
 /// provide the definitions here.
@@ -212,6 +216,9 @@ static BOOL HasEmbeddedMobileProvision() {
 }
 
 + (NSString *)systemVersion {
+#if TARGET_OS_IOS
+  return [UIDevice currentDevice].systemVersion;
+#elif TARGET_OS_OSX || TARGET_OS_TV
   // Assemble the systemVersion, excluding the patch version if it's 0.
   NSOperatingSystemVersion osVersion = [NSProcessInfo processInfo].operatingSystemVersion;
   NSMutableString *versionString = [[NSMutableString alloc]
@@ -219,8 +226,8 @@ static BOOL HasEmbeddedMobileProvision() {
   if (osVersion.patchVersion != 0) {
     [versionString appendFormat:@".%ld", (long)osVersion.patchVersion];
   }
-
   return versionString;
+#endif
 }
 
 + (BOOL)isAppExtension {
diff --git a/GoogleUtilities/Example/Tests/Environment/GULAppEnvironmentUtilTest.m b/GoogleUtilities/Example/Tests/Environment/GULAppEnvironmentUtilTest.m
index 62a7bf8..dc8923b 100644
--- a/GoogleUtilities/Example/Tests/Environment/GULAppEnvironmentUtilTest.m
+++ b/GoogleUtilities/Example/Tests/Environment/GULAppEnvironmentUtilTest.m
@@ -38,6 +38,9 @@
   [_processInfoMock stopMocking];
 }
 
+// Remove the #if when iOS can remove iOS 7 support and also use processInfo instead of UIKit.
+#if TARGET_OS_OSX || TARGET_OS_TV
+
 - (void)testSystemVersionInfoMajorOnly {
   NSOperatingSystemVersion osTen = {.majorVersion = 10, .minorVersion = 0, .patchVersion = 0};
   OCMStub([self.processInfoMock operatingSystemVersion]).andReturn(osTen);
@@ -58,5 +61,6 @@
 
   XCTAssertTrue([[GULAppEnvironmentUtil systemVersion] isEqualToString:@"10.2.1"]);
 }
+#endif
 
 @end
diff --git a/GoogleUtilities/Network/GULNetworkURLSession.m b/GoogleUtilities/Network/GULNetworkURLSession.m
index cb8a204..71409bc 100644
--- a/GoogleUtilities/Network/GULNetworkURLSession.m
+++ b/GoogleUtilities/Network/GULNetworkURLSession.m
@@ -445,7 +445,10 @@
   if ([NSURLSessionConfiguration
           respondsToSelector:@selector(backgroundSessionConfigurationWithIdentifier:)]) {
     // Running on iOS 8+/OS X 10.10+.
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wunguarded-availability"
     return [NSURLSessionConfiguration backgroundSessionConfigurationWithIdentifier:sessionID];
+#pragma clang diagnostic pop
   } else {
     // Running on iOS 7/OS X 10.9.
     return [NSURLSessionConfiguration backgroundSessionConfiguration:sessionID];
-- 
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