Don't assume that all files are c++. Remove the unnecessary objective-c++.

stepmania/PBProject/stepmania.pbproj/project.pbxproj

@@ -250,6 +250,7 @@
 		4A9504CDFFE6A4B311CA0CBA = {
 			buildSettings = {
 				COPY_PHASE_STRIP = NO;
+				DEAD_CODE_STRIPPING = YES;
 				GCC_ENABLE_FIX_AND_CONTINUE = NO;
 				GCC_GENERATE_DEBUGGING_SYMBOLS = NO;
 				GCC_OPTIMIZATION_LEVEL = 3;
@@ -1929,7 +1930,7 @@
 				GCC_ALTIVEC_EXTENSIONS = NO;
 				GCC_ENABLE_CPP_RTTI = YES;
 				GCC_GENERATE_DEBUGGING_SYMBOLS = NO;
-				GCC_INPUT_FILETYPE = sourcecode.cpp.cpp;
+				GCC_INPUT_FILETYPE = automatic;
 				GCC_MODEL_TUNING = G5;
 				GCC_OPTIMIZATION_LEVEL = 3;
 				GCC_PRECOMPILE_PREFIX_HEADER = YES;
@@ -5322,7 +5323,6 @@
 			fileRef = AAEF3D0D04B533CC00D02EE9;
 			isa = PBXBuildFile;
 			settings = {
-				COMPILER_FLAGS = "-x objective-c++";
 			};
 		};
 		AA29CE090558741A00961A51 = {
@@ -8671,6 +8671,7 @@
 			children = (
 				AAEF3D1004B53E2900D02EE9,
 				AAEF3D0C04B533CC00D02EE9,
+				AA71446E0809E1A700545684,
 				AAEF3D0D04B533CC00D02EE9,
 				AA80C71A07F2069F00C99272,
 			);
@@ -12185,6 +12186,17 @@
 			settings = {
 			};
 		};
+		AA71446E0809E1A700545684 = {
+			explicitFileType = sourcecode.cpp.objcpp;
+			fileEncoding = 4;
+			indentWidth = 4;
+			isa = PBXFileReference;
+			path = LoadingWindow_Cocoa.mm;
+			refType = 4;
+			sourceTree = "<group>";
+			tabWidth = 4;
+			usesTabs = 1;
+		};
 		AA729C420599B50D00779F33 = {
 			explicitFileType = sourcecode.cpp;
 			fileEncoding = 30;
@@ -15134,10 +15146,10 @@
 			};
 		};
 		AACA591707B5DB1700763545 = {
-			explicitFileType = sourcecode.cpp;
+			explicitFileType = sourcecode.c.objc;
 			fileEncoding = 4;
 			isa = PBXFileReference;
-			path = Crash.mm;
+			path = Crash.m;
 			refType = 4;
 			sourceTree = "<group>";
 		};
@@ -15145,7 +15157,6 @@
 			fileRef = AACA591707B5DB1700763545;
 			isa = PBXBuildFile;
 			settings = {
-				COMPILER_FLAGS = "-x objective-c++";
 			};
 		};
 		AACA592407B5E1E500763545 = {
@@ -16487,11 +16498,11 @@
 			usesTabs = 1;
 		};
 		AAEF3D0D04B533CC00D02EE9 = {
-			explicitFileType = sourcecode.cpp.objcpp;
+			explicitFileType = sourcecode.c.objc;
 			fileEncoding = 4;
 			indentWidth = 4;
 			isa = PBXFileReference;
-			path = LoadingWindow_Cocoa.mm;
+			path = LoadingWindow_Cocoa.m;
 			refType = 4;
 			sourceTree = "<group>";
 			tabWidth = 4;

stepmania/src/arch/LoadingWindow/LoadingWindow_Cocoa.h

@@ -5,9 +5,12 @@
 
 #include "LoadingWindow.h"
 
-extern void MakeNewCocoaWindow();
-extern void DisposeOfCocoaWindow();
-extern void SetCocoaWindowText(const char *s);
+extern "C"
+{
+	extern void MakeNewCocoaWindow();
+	extern void DisposeOfCocoaWindow();
+	extern void SetCocoaWindowText(const char *s);
+}
 
 class LoadingWindow_Cocoa : public LoadingWindow
 {

stepmania/src/arch/LoadingWindow/LoadingWindow_Cocoa.m

@@ -1,5 +1,5 @@
 #import <Cocoa/Cocoa.h>
-#include "ProductInfo.h"
+#import "ProductInfo.h"
 
 static NSWindow *window;
 static NSTextView *text;

stepmania/src/archutils/Darwin/Crash.h

@@ -1,12 +1,15 @@
 #ifndef DARWIN_CRASH_H
 #define DARWIN_CRASH_H
 
-void InformUserOfCrash( const CString &sPath );
+extern "C"
+{
+	extern void InformUserOfCrash( const char *sPath );
+}
 
 #endif /* DARWIN_CRASH_H */
 
 /*
- * (c) 2003-2004 Steve Checkoway
+ * (c) 2003-2005 Steve Checkoway
  * All rights reserved.
  * 
  * Permission is hereby granted, free of charge, to any person obtaining a

stepmania/src/archutils/Darwin/Crash.m

@@ -0,0 +1,44 @@
+#import <Cocoa/Cocoa.h>
+
+void InformUserOfCrash( const char *sPath )
+{
+	int ret = NSRunAlertPanel(@"StepMania has crashed",
+							  @"StepMania has crashed. Debugging information "
+							  @"has been output to\n\n%s\n\nPlease file a bug "
+							  @"report at\n\nhttp://sf.net/tracker/?func=add&"
+							  @"group_id=37892&atid=421366",
+							  @"Open crashinfo.txt", @"Quit", nil, sPath);
+	
+	if( ret == NSAlertDefaultReturn )
+	{
+		NSWorkspace *ws = [NSWorkspace sharedWorkspace];
+		
+		[ws openFile:[NSString stringWithUTF8String:sPath]];
+	}
+}
+
+/*
+ * (c) 2003-2005 Steve Checkoway
+ * All rights reserved.
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, and/or sell copies of the Software, and to permit persons to
+ * whom the Software is furnished to do so, provided that the above
+ * copyright notice(s) and this permission notice appear in all copies of
+ * the Software and that both the above copyright notice(s) and this
+ * permission notice appear in supporting documentation.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF
+ * THIRD PARTY RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR HOLDERS
+ * INCLUDED IN THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL INDIRECT
+ * OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
+ * OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
+ * OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+	

stepmania/src/archutils/Darwin/StepMania.pch

@@ -1,8 +1,11 @@
 /* Override the -DSM_PCH=TRUE temporarily. */
 #undef SM_PCH
 #define SM_PCH FALSE
-#include "global.h"
-/*
- * I can't decide if RageUtil.h should go here or not. It is used by 200 .cpp
- * files out of 430 that are in src and subdirs.
- */
+// Only do this for c++ files.
+#ifdef __cplusplus
+# include "global.h"
+#endif
+
+#ifdef __OBJC__
+# import <Cocoa/Cocoa.h>
+#endif