OSX build improvements

build/SConscript.configure

@@ -267,9 +267,29 @@ def osxlibinst_as_build_function(self, target, source, pkgname = None, use_own =
 	self.AddPostAction(inst, 'install_name_tool -id @loader_path/../Frameworks/' + name + ' $TARGET')
 	return inst
 
+def remove_flag(env, value):
+	try:
+		env['CXXFLAGS'].remove(value)
+	except:
+		pass
+
+def append_flag(env, value):
+	env['CXXFLAGS'].append(value)
+
+env.__class__.RemoveFlag = remove_flag
+env.__class__.AppendFlag = append_flag
 env.__class__.OSXLibInst = osxlibinst_build_function
 env.__class__.OSXLibInstAs = osxlibinst_as_build_function
 
+def prepare_for_objective_cpp(env):
+	# Objective C++ does not permit the following optimization flags
+	env.RemoveFlag('-fstrict-aliasing')
+	env.RemoveFlag('-ftree-vectorize')
+	env.RemoveFlag('-std=c++0x')
+	env.AppendFlag('-fno-strict-aliasing')
+
+env.__class__.ConfigureForObjectiveCPP = prepare_for_objective_cpp
+
 if hasCollada:
 	env.Append(CPPDEFINES = [['MTS_HAS_COLLADA', 1]] )
 

src/libcore/SConscript

@@ -39,13 +39,7 @@ libcore_objects = [
 # Add some platform-specific components
 if sys.platform == 'darwin':
 	coreEnv_osx = coreEnv.Clone()
-	try:
+	coreEnv_osx.ConfigureForObjectiveCPP()
-		# Objective C++ does not permit the following optimization flags
-		coreEnv_osx['CXXFLAGS'].remove('-fstrict-aliasing')
-		coreEnv_osx['CXXFLAGS'].remove('-ftree-vectorize')
-		coreEnv_osx['CXXFLAGS'].append('-fno-strict-aliasing')
-	except:
-		pass
 	libcore_objects += coreEnv_osx.SharedObject('platform_darwin.mm')
 elif sys.platform == 'win32':
 	libcore_objects += coreEnv.SharedObject('getopt.c')

src/libhw/SConscript

@@ -30,13 +30,7 @@ if glEnv.has_key('GLINCLUDE'):
 
 if sys.platform == 'darwin':
 	glEnv_osx = glEnv.Clone()
-	try:
+	glEnv_osx.ConfigureForObjectiveCPP()
-		# Objective C++ does not permit the following optimization flags
-		glEnv_osx['CXXFLAGS'].remove('-fstrict-aliasing')
-		glEnv_osx['CXXFLAGS'].remove('-ftree-vectorize')
-		glEnv_osx['CXXFLAGS'].append('-fno-strict-aliasing')
-	except:
-		pass
 	libhw_objects += glEnv_osx.SharedObject(['nsglsession.mm',
 		'nsgldevice.mm', 'nsglrenderer.mm'])
 

src/mitsuba/SConscript

@@ -20,13 +20,7 @@ if mainEnv.has_key('GLINCLUDE'):
 if sys.platform == 'darwin':
 	# On OSX, we need this stub to access OpenGL from the command line
 	mainEnv_osx = mainEnv.Clone()
-	try:
+	mainEnv_osx.ConfigureForObjectiveCPP()
-		# Objective C++ does not permit the following optimization flags
-		mainEnv_osx['CXXFLAGS'].remove('-fstrict-aliasing')
-		mainEnv_osx['CXXFLAGS'].remove('-ftree-vectorize')
-		mainEnv_osx['CXXFLAGS'].append('-fno-strict-aliasing')
-	except:
-		pass
 	stubs += [mainEnv_osx.StaticObject('darwin_stub.mm')]
 
 mainEnv.Program('mtsutil', resources + stubs + ['mtsutil.cpp'])

src/mtsgui/SConscript

@@ -49,13 +49,7 @@ if hasQt:
 
 	if sys.platform == 'darwin':
 		qtEnv_osx = qtEnv.Clone()
-		try:
+		qtEnv_osx.ConfigureForObjectiveCPP()
-			# Objective C++ does not permit the following optimization flags
-			qtEnv_osx['CXXFLAGS'].remove('-fstrict-aliasing')
-			qtEnv_osx['CXXFLAGS'].remove('-ftree-vectorize')
-			qtEnv_osx['CXXFLAGS'].append('-fno-strict-aliasing')
-		except:
-			pass
 		qtEnv_osx['CXXFLAGS'].append(['-Fdependencies/darwin', '-framework', 'BWToolkitFramework'])
 		qtSources += qtEnv_osx.StaticObject('previewsettingsdlg_cocoa_impl.mm')
 	else: