diff --git a/desmume/src/cocoa/DeSmuME (Legacy).xcodeproj/project.pbxproj b/desmume/src/cocoa/DeSmuME (Legacy).xcodeproj/project.pbxproj
index 565c03e42..0f3b35ee7 100644
--- a/desmume/src/cocoa/DeSmuME (Legacy).xcodeproj/project.pbxproj	
+++ b/desmume/src/cocoa/DeSmuME (Legacy).xcodeproj/project.pbxproj	
@@ -3878,6 +3878,7 @@
 				GCC_ALTIVEC_EXTENSIONS = YES;
 				GCC_DYNAMIC_NO_PIC = YES;
 				GCC_ENABLE_FIX_AND_CONTINUE = YES;
+				GCC_FAST_MATH = YES;
 				GCC_FAST_OBJC_DISPATCH = NO;
 				GCC_MODEL_TUNING = "";
 				"GCC_MODEL_TUNING[sdk=macosx10.4][arch=ppc]" = G4;
@@ -3890,6 +3891,7 @@
 					_DEBUG,
 					"DEBUG=1",
 				);
+				GCC_STRICT_ALIASING = YES;
 				GCC_TREAT_IMPLICIT_FUNCTION_DECLARATIONS_AS_ERRORS = YES;
 				GCC_VERSION = com.apple.compilers.llvm.clang.1_0;
 				"GCC_VERSION[sdk=macosx10.5][arch=ppc64]" = 4.2;
@@ -3922,6 +3924,7 @@
 				GCC_ENABLE_SSE3_EXTENSIONS = YES;
 				GCC_ENABLE_SUPPLEMENTAL_SSE3_INSTRUCTIONS = YES;
 				"GCC_ENABLE_SUPPLEMENTAL_SSE3_INSTRUCTIONS[arch=i386]" = NO;
+				GCC_FAST_MATH = YES;
 				GCC_GENERATE_DEBUGGING_SYMBOLS = NO;
 				GCC_INLINES_ARE_PRIVATE_EXTERN = YES;
 				GCC_MODEL_TUNING = "";
diff --git a/desmume/src/cocoa/DeSmuME (XCode 3).xcodeproj/project.pbxproj b/desmume/src/cocoa/DeSmuME (XCode 3).xcodeproj/project.pbxproj
index 2dd9a6e94..f0f119087 100644
--- a/desmume/src/cocoa/DeSmuME (XCode 3).xcodeproj/project.pbxproj	
+++ b/desmume/src/cocoa/DeSmuME (XCode 3).xcodeproj/project.pbxproj	
@@ -3829,6 +3829,7 @@
 				GCC_ALTIVEC_EXTENSIONS = YES;
 				GCC_DYNAMIC_NO_PIC = NO;
 				GCC_ENABLE_FIX_AND_CONTINUE = YES;
+				GCC_FAST_MATH = YES;
 				GCC_FAST_OBJC_DISPATCH = NO;
 				GCC_MODEL_TUNING = "";
 				"GCC_MODEL_TUNING[sdk=macosx10.4][arch=ppc]" = G4;
@@ -3841,6 +3842,7 @@
 					_DEBUG,
 					"DEBUG=1",
 				);
+				GCC_STRICT_ALIASING = YES;
 				GCC_SYMBOLS_PRIVATE_EXTERN = NO;
 				GCC_THREADSAFE_STATICS = NO;
 				GCC_TREAT_IMPLICIT_FUNCTION_DECLARATIONS_AS_ERRORS = YES;
@@ -3881,6 +3883,7 @@
 				GCC_ENABLE_SSE3_EXTENSIONS = YES;
 				GCC_ENABLE_SUPPLEMENTAL_SSE3_INSTRUCTIONS = YES;
 				"GCC_ENABLE_SUPPLEMENTAL_SSE3_INSTRUCTIONS[arch=i386]" = NO;
+				GCC_FAST_MATH = YES;
 				GCC_GENERATE_DEBUGGING_SYMBOLS = NO;
 				GCC_INLINES_ARE_PRIVATE_EXTERN = YES;
 				"GCC_MODEL_PPC64[sdk=macosx10.5][arch=ppc64]" = YES;
diff --git a/desmume/src/cocoa/DeSmuME (XCode 4).xcodeproj/project.pbxproj b/desmume/src/cocoa/DeSmuME (XCode 4).xcodeproj/project.pbxproj
index 76be80567..b9a21f0d9 100644
--- a/desmume/src/cocoa/DeSmuME (XCode 4).xcodeproj/project.pbxproj	
+++ b/desmume/src/cocoa/DeSmuME (XCode 4).xcodeproj/project.pbxproj	
@@ -2733,6 +2733,7 @@
 				DEAD_CODE_STRIPPING = YES;
 				DEBUG_INFORMATION_FORMAT = dwarf;
 				GCC_DYNAMIC_NO_PIC = NO;
+				GCC_FAST_MATH = YES;
 				GCC_FAST_OBJC_DISPATCH = NO;
 				GCC_OPTIMIZATION_LEVEL = 0;
 				GCC_PRECOMPILE_PREFIX_HEADER = YES;
@@ -2777,6 +2778,7 @@
 				COPY_PHASE_STRIP = NO;
 				DEAD_CODE_STRIPPING = YES;
 				GCC_DYNAMIC_NO_PIC = YES;
+				GCC_FAST_MATH = YES;
 				GCC_GENERATE_DEBUGGING_SYMBOLS = NO;
 				GCC_INLINES_ARE_PRIVATE_EXTERN = YES;
 				GCC_OPTIMIZATION_LEVEL = 3;