Add GCC 14 compatibility

Changes

@@ -6,6 +6,11 @@ Improvements
 
 - PathMatcher : Added `in()` and `containing()` methods.
 
+Build
+-----
+
+- GCC : Added compatibility with GCC 14.
+
 10.7.0.0
 ========
 

SConstruct

@@ -1222,6 +1222,11 @@ if env["PLATFORM"] != "win32" :
 		# fully work. Reenable when we encounter versions that work correctly.
 		basePythonEnv.Append( CXXFLAGS = [ "-Wno-strict-aliasing" ] )
 
+		if "g++" in os.path.basename( env["CXX"] ) and not "clang++" in os.path.basename( env["CXX"] ) :
+			## GCC 14 reports -Wmaybe-uninitialized warnings from Boost.Python's extract<>.
+			# Keep the warning enabled, but don't fail the build.
+			basePythonEnv.Append( CXXFLAGS = [ "-Wno-error=maybe-uninitialized" ] )
+
 	# get the python link flags
 	if basePythonEnv["PYTHON_LINK_FLAGS"]=="" :
 		basePythonEnv["PYTHON_LINK_FLAGS"] = getPythonConfig( basePythonEnv, "--ldflags" )

include/IECore/MurmurHash.h

@@ -37,6 +37,7 @@
 
 #include "IECore/Export.h"
 
+#include <cstdint>
 #include <iostream>
 #include <string>
 #include <type_traits>

src/IECore/RunTimeTyped.cpp

@@ -36,6 +36,7 @@
 
 #include "IECore/MessageHandler.h"
 
+#include <algorithm>
 #include <cassert>
 #include <mutex>
 

src/IECorePython/FileSequenceBinding.cpp

@@ -130,7 +130,7 @@ struct FileSequenceHelper
 				l.append( make_tuple( it->first, it->second ) );
 			}
 
-			return std::move( l );
+			return l;
 		}
 		else
 		{
@@ -144,7 +144,7 @@ struct FileSequenceHelper
 				d[ it->first ] = it->second;
 			}
 
-			return std::move( d );
+			return d;
 		}
 	}
 

src/IECorePython/FileSequenceFunctionsBinding.cpp

@@ -101,7 +101,7 @@ struct FileSequenceFunctionsHelper
 				result.append( *it );
 			}
 
-			return std::move( result );
+			return result;
 		}
 
 		return object();

src/IECorePython/SearchPathBinding.cpp

@@ -69,7 +69,7 @@ object getPaths( const SearchPath &s )
 	{
 		l.append( it->string() );
 	}
-	return std::move( l );
+	return l;
 }
 
 void setPaths( SearchPath &s, const object &p )

src/IECoreScene/bindings/ShaderNetworkBinding.cpp

@@ -57,7 +57,8 @@ ShaderNetworkPtr constructor( dict shaders, list connections, object output )
 	for( size_t i = 0, e = len( items ); i < e; ++i )
 	{
 		InternedString handle = extract<const char *>( items[i][0] )();
-		const Shader &shader = extract<const Shader &>( items[i][1] )();
+		extract<const Shader &> shaderExtractor( items[i][1] );
+		const Shader &shader = shaderExtractor();
 		result->addShader( handle, &shader );
 	}