Update xcodeproj

- SWIFT_VERSION = 4.0
- Recommended settings by Xcode 9.3
- Remove settings from xcodeproj that already defined in xcconfig
- Add IDEWorkspaceChecks.plist

Base32.xcodeproj/Configs/Project.xcconfig

@@ -9,12 +9,21 @@ OTHER_SWIFT_FLAGS = -DXcode
 COMBINE_HIDPI_IMAGES = YES
 USE_HEADERMAP = NO
 FRAMEWORK_SEARCH_PATHS = "$(PLATFORM_DIR)/Developer/Library/Frameworks";
+CLANG_ENABLE_OBJC_WEAK = YES;
+CLANG_WARN_BLOCK_CAPTURE_AUTORELEASING = YES;
 CLANG_WARN_BOOL_CONVERSION = YES;
+CLANG_WARN_COMMA = YES;
 CLANG_WARN_CONSTANT_CONVERSION = YES;
+CLANG_WARN_DEPRECATED_OBJC_IMPLEMENTATIONS = YES;
 CLANG_WARN_EMPTY_BODY = YES;
 CLANG_WARN_ENUM_CONVERSION = YES;
 CLANG_WARN_INFINITE_RECURSION = YES;
 CLANG_WARN_INT_CONVERSION = YES;
+CLANG_WARN_NON_LITERAL_NULL_CONVERSION = YES;
+CLANG_WARN_OBJC_IMPLICIT_RETAIN_SELF = YES;
+CLANG_WARN_OBJC_LITERAL_CONVERSION = YES;
+CLANG_WARN_RANGE_LOOP_ANALYSIS = YES;
+CLANG_WARN_STRICT_PROTOTYPES = YES;
 CLANG_WARN_SUSPICIOUS_MOVE = YES;
 CLANG_WARN_UNREACHABLE_CODE = YES;
 CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
@@ -26,3 +35,4 @@ GCC_WARN_UNDECLARED_SELECTOR = YES;
 GCC_WARN_UNINITIALIZED_AUTOS = YES;
 GCC_WARN_UNUSED_FUNCTION = YES;
 GCC_WARN_UNUSED_VARIABLE = YES;
+SWIFT_VERSION = 4.0;

Base32.xcodeproj/project.pbxproj

@@ -224,7 +224,7 @@
 		__RootObject_ /* Project object */ = {
 			isa = PBXProject;
 			attributes = {
-				LastUpgradeCheck = 9999;
+				LastUpgradeCheck = 0930;
 			};
 			buildConfigurationList = "___RootConfs_" /* Build configuration list for PBXProject "Base32" */;
 			compatibilityVersion = "Xcode 3.2";
@@ -291,12 +291,9 @@
 			buildSettings = {
 				APPLICATION_EXTENSION_API_ONLY = YES;
 				INFOPLIST_FILE = Base32.xcodeproj/Base32_Info.plist;
-				OTHER_LDFLAGS = "$(inherited)";
-				OTHER_SWIFT_FLAGS = "$(inherited)";
 				PRODUCT_BUNDLE_IDENTIFIER = Base32;
 				PRODUCT_MODULE_NAME = "$(TARGET_NAME:c99extidentifier)";
 				PRODUCT_NAME = "$(TARGET_NAME:c99extidentifier)";
-				SWIFT_VERSION = 3.0;
 			};
 			name = Release;
 		};
@@ -306,9 +303,6 @@
 				ALWAYS_EMBED_SWIFT_STANDARD_LIBRARIES = YES;
 				INFOPLIST_FILE = Base32.xcodeproj/Base32Tests_Info.plist;
 				LD_RUNPATH_SEARCH_PATHS = "@loader_path/../Frameworks @loader_path/Frameworks";
-				OTHER_LDFLAGS = "$(inherited)";
-				OTHER_SWIFT_FLAGS = "$(inherited)";
-				SWIFT_VERSION = 3.0;
 			};
 			name = Release;
 		};
@@ -318,9 +312,6 @@
 				ALWAYS_EMBED_SWIFT_STANDARD_LIBRARIES = YES;
 				INFOPLIST_FILE = Base32.xcodeproj/SecEncodeTransformTests_Info.plist;
 				LD_RUNPATH_SEARCH_PATHS = "@loader_path/../Frameworks @loader_path/Frameworks";
-				OTHER_LDFLAGS = "$(inherited)";
-				OTHER_SWIFT_FLAGS = "$(inherited)";
-				SWIFT_VERSION = 3.0;
 			};
 			name = Release;
 		};
@@ -329,12 +320,9 @@
 			buildSettings = {
 				APPLICATION_EXTENSION_API_ONLY = YES;
 				INFOPLIST_FILE = Base32.xcodeproj/Base32_Info.plist;
-				OTHER_LDFLAGS = "$(inherited)";
-				OTHER_SWIFT_FLAGS = "$(inherited)";
 				PRODUCT_BUNDLE_IDENTIFIER = Base32;
 				PRODUCT_MODULE_NAME = "$(TARGET_NAME:c99extidentifier)";
 				PRODUCT_NAME = "$(TARGET_NAME:c99extidentifier)";
-				SWIFT_VERSION = 3.0;
 			};
 			name = Debug;
 		};
@@ -344,9 +332,6 @@
 				ALWAYS_EMBED_SWIFT_STANDARD_LIBRARIES = YES;
 				INFOPLIST_FILE = Base32.xcodeproj/Base32Tests_Info.plist;
 				LD_RUNPATH_SEARCH_PATHS = "@loader_path/../Frameworks @loader_path/Frameworks";
-				OTHER_LDFLAGS = "$(inherited)";
-				OTHER_SWIFT_FLAGS = "$(inherited)";
-				SWIFT_VERSION = 3.0;
 			};
 			name = Debug;
 		};
@@ -356,9 +341,6 @@
 				ALWAYS_EMBED_SWIFT_STANDARD_LIBRARIES = YES;
 				INFOPLIST_FILE = Base32.xcodeproj/SecEncodeTransformTests_Info.plist;
 				LD_RUNPATH_SEARCH_PATHS = "@loader_path/../Frameworks @loader_path/Frameworks";
-				OTHER_LDFLAGS = "$(inherited)";
-				OTHER_SWIFT_FLAGS = "$(inherited)";
-				SWIFT_VERSION = 3.0;
 			};
 			name = Debug;
 		};

Base32.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>IDEDidComputeMac32BitWarning</key>
+	<true/>
+</dict>
+</plist>

Base32.xcodeproj/xcshareddata/xcschemes/Base32.xcscheme

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "9999"
+   LastUpgradeVersion = "0930"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"
@@ -26,9 +26,8 @@
       buildConfiguration = "Release"
       selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
       selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
-      language = ""
-      shouldUseLaunchSchemeArgsEnv = "YES"
-      codeCoverageEnabled = "YES">
+      codeCoverageEnabled = "YES"
+      shouldUseLaunchSchemeArgsEnv = "YES">
       <Testables>
          <TestableReference
             skipped = "NO">
@@ -58,7 +57,6 @@
       buildConfiguration = "Debug"
       selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
       selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
-      language = ""
       launchStyle = "0"
       useCustomWorkingDirectory = "NO"
       ignoresPersistentStateOnLaunch = "NO"