dev-cpp

jeg har et problem den dev-c++, jeg kan ikke finde ud af og konfigure mit dev-c++ (jeg er ny til c++)
landet ligger sådan at jeg veil lave mods til half-life
når jeg kompiler siger den bare

Kompiler: Default compiler
Building Makefile: "D:\SDK\Single-Player Source\dlls\Makefile.win"
Eksekverer  make...
make.exe -f "D:\SDK\Single-Player Source\dlls\Makefile.win" all
g++.exe -c aflock.cpp -o aflock.o -I"C:/Dev-Cpp/include/g++-3"  -I"C:/Dev-Cpp/include"  -I"../dlls"  -I"../engine"  -I"../common"  -I"../pm_shared"  -I"../game_shared" 

In file included from ../common/const.h:643,
                from extdll.h:78,
                from aflock.cpp:17:
../common/in_buttons.h:18: warning: `#pragma once' is obsolete
In file included from extdll.h:79,
                from aflock.cpp:17:
../engine/progdefs.h:18: warning: `#pragma once' is obsolete

In file included from extdll.h:80,
                from aflock.cpp:17:
../engine/edict.h:11: warning: `#pragma once' is obsolete
In file included from ../engine/eiface.h:25,
                from extdll.h:83,
                from aflock.cpp:17:
../engine/custom.h:20: warning: `#pragma once' is obsolete
In file included from ../engine/custom.h:60,
                from ../engine/eiface.h:25,
                from extdll.h:83,
                from aflock.cpp:17:
../common/crc.h:19: warning: `#pragma once' is obsolete
In file included from util.h:23,
                from aflock.cpp:18:

enginecallback.h:17: warning: `#pragma once' is obsolete
In file included from enginecallback.h:19,
                from util.h:23,
                from aflock.cpp:18:
../common/event_flags.h:18: warning: `#pragma once' is obsolete

In file included from aflock.cpp:21:
squadmonster.h: In method `int CSquadMonster::InSquad()':
squadmonster.h:92: warning: NULL used in arithmetic
aflock.cpp: In method `void CFlockingFlyerFlock::SpawnFlock()':
aflock.cpp:214: assuming & on `CFlockingFlyer::IdleThink'
aflock.cpp: In method `void CFlockingFlyer::Spawn()':
aflock.cpp:232: static_cast from `{unknown type}' to `void (CBaseEntity::*)()'
aflock.cpp: In method `void CFlockingFlyer::Killed(entvars_t *, int)':
aflock.cpp:295: static_cast from `{unknown type}' to `void (CBaseEntity::*)()'
aflock.cpp: In method `void CFlockingFlyer::IdleThink()':
aflock.cpp:369: static_cast from `{unknown type}' to `void (CBaseEntity::*)()'
aflock.cpp: In method `void CFlockingFlyer::Start()':
aflock.cpp:383: static_cast from `{unknown type}' to `void (CBaseEntity::*)()'
aflock.cpp:387: static_cast from `{unknown type}' to `void (CBaseEntity::*)()'
aflock.cpp: In method `void CFlockingFlyer::FormFlock()':
aflock.cpp:441: static_cast from `{unknown type}' to `void (CBaseEntity::*)()'
aflock.cpp: In method `void CFlockingFlyer::FlockFollowerThink()':
aflock.cpp:676: static_cast from `{unknown type}' to `void (CBaseEntity::*)()'

make.exe: *** [aflock.o] Error 1

Eksekvering afbrudt

HVAD er der galt ????