use clang standards instead of gnu

CMakeLists.txt

@@ -5,9 +5,11 @@ cmake_minimum_required(VERSION 3.26)
 project(experiment VERSION 1.0)
 
 # Set C standard
-set(CMAKE_C_STANDARD 23)
+set(CMAKE_C_STANDARD 17)
 set(CMAKE_C_STANDARD_REQUIRED ON)
-set(CMAKE_OBJC_STANDARD 23)
+set(CMAKE_CXX_STANDARD 23)
+set(CMAKE_CXX_STANDARD_REQUIRED ON)
+set(CMAKE_OBJC_STANDARD 17)
 set(CMAKE_OBJC_STANDARD_REQUIRED ON)
 
 # Specify the CMAKE_OSX_SYSROOT to indicate which SDK should be used

experiment.xcodeproj/project.pbxproj

@@ -138,7 +138,7 @@
 				ALWAYS_SEARCH_USER_PATHS = NO;
 				CLANG_ANALYZER_NONNULL = YES;
 				CLANG_ANALYZER_NUMBER_OBJECT_CONVERSION = YES_AGGRESSIVE;
-				CLANG_CXX_LANGUAGE_STANDARD = "gnu++20";
+				CLANG_CXX_LANGUAGE_STANDARD = "c++23";
 				CLANG_ENABLE_MODULES = YES;
 				CLANG_ENABLE_OBJC_ARC = YES;
 				CLANG_ENABLE_OBJC_WEAK = YES;
@@ -168,7 +168,7 @@
 				DEBUG_INFORMATION_FORMAT = dwarf;
 				ENABLE_STRICT_OBJC_MSGSEND = YES;
 				ENABLE_TESTABILITY = YES;
-				GCC_C_LANGUAGE_STANDARD = gnu11;
+				GCC_C_LANGUAGE_STANDARD = c17;
 				GCC_DYNAMIC_NO_PIC = NO;
 				GCC_NO_COMMON_BLOCKS = YES;
 				GCC_OPTIMIZATION_LEVEL = 0;
@@ -182,7 +182,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				MACOSX_DEPLOYMENT_TARGET = 13.3;
+				MACOSX_DEPLOYMENT_TARGET = 13.5;
 				MTL_ENABLE_DEBUG_INFO = INCLUDE_SOURCE;
 				MTL_FAST_MATH = YES;
 				ONLY_ACTIVE_ARCH = YES;
@@ -196,7 +196,7 @@
 				ALWAYS_SEARCH_USER_PATHS = NO;
 				CLANG_ANALYZER_NONNULL = YES;
 				CLANG_ANALYZER_NUMBER_OBJECT_CONVERSION = YES_AGGRESSIVE;
-				CLANG_CXX_LANGUAGE_STANDARD = "gnu++20";
+				CLANG_CXX_LANGUAGE_STANDARD = "c++23";
 				CLANG_ENABLE_MODULES = YES;
 				CLANG_ENABLE_OBJC_ARC = YES;
 				CLANG_ENABLE_OBJC_WEAK = YES;
@@ -226,17 +226,19 @@
 				DEBUG_INFORMATION_FORMAT = "dwarf-with-dsym";
 				ENABLE_NS_ASSERTIONS = NO;
 				ENABLE_STRICT_OBJC_MSGSEND = YES;
-				GCC_C_LANGUAGE_STANDARD = gnu11;
+				GCC_C_LANGUAGE_STANDARD = c17;
 				GCC_NO_COMMON_BLOCKS = YES;
+				GCC_OPTIMIZATION_LEVEL = s;
 				GCC_WARN_64_TO_32_BIT_CONVERSION = YES;
 				GCC_WARN_ABOUT_RETURN_TYPE = YES_ERROR;
 				GCC_WARN_UNDECLARED_SELECTOR = YES;
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				MACOSX_DEPLOYMENT_TARGET = 13.3;
+				MACOSX_DEPLOYMENT_TARGET = 13.5;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				MTL_FAST_MATH = YES;
+				ONLY_ACTIVE_ARCH = YES;
 				SDKROOT = macosx;
 			};
 			name = Release;
@@ -247,6 +249,7 @@
 				CODE_SIGN_STYLE = Automatic;
 				DEVELOPMENT_TEAM = MGVD8UCBJ7;
 				ENABLE_HARDENED_RUNTIME = YES;
+				MACOSX_DEPLOYMENT_TARGET = 13.5;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 			};
 			name = Debug;
@@ -257,6 +260,7 @@
 				CODE_SIGN_STYLE = Automatic;
 				DEVELOPMENT_TEAM = MGVD8UCBJ7;
 				ENABLE_HARDENED_RUNTIME = YES;
+				MACOSX_DEPLOYMENT_TARGET = 13.5;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 			};
 			name = Release;