Clean up includes a bit

Trying out the IWYU tool to only include what's necessary in a given file.
Seems to work decently (it'll miss some headers, suggest unnecessary ones, and
make nonsense suggestions for some things, but overall gives a good starting
point), and helps clean out some headers.

1 files changed, 22 insertions, 36 deletions

diff --git a/OpenAL32/Include/alMain.h b/OpenAL32/Include/alMain.h
index 3487d42e..33b2fc39 100644
--- a/OpenAL32/Include/alMain.h
+++ b/OpenAL32/Include/alMain.h
@@ -1,38 +1,41 @@
 #ifndef AL_MAIN_H
 #define AL_MAIN_H
 
-#include <string.h>
-#include <stdio.h>
-#include <stddef.h>
-#include <stdarg.h>
-#include <assert.h>
-#include <math.h>
-#include <limits.h>
-
-#ifdef HAVE_STRINGS_H
-#include <strings.h>
-#endif
-
+#include <algorithm>
 #include <array>
-#include <vector>
-#include <string>
+#include <atomic>
 #include <chrono>
-#include <algorithm>
+#include <cstdint>
+#include <cstddef>
+#include <memory>
+#include <mutex>
+#include <string>
+#include <utility>
 
 #include "AL/al.h"
 #include "AL/alc.h"
 #include "AL/alext.h"
 
-#include "inprogext.h"
-#include "atomic.h"
-#include "vector.h"
 #include "albyte.h"
 #include "almalloc.h"
 #include "alnumeric.h"
 #include "alspan.h"
-#include "threads.h"
 #include "ambidefs.h"
+#include "atomic.h"
 #include "hrtf.h"
+#include "inprogext.h"
+#include "vector.h"
+
+class BFormatDec;
+struct ALbuffer;
+struct ALeffect;
+struct ALfilter;
+struct BackendBase;
+struct Compressor;
+struct EffectState;
+struct FrontStablizer;
+struct Uhj2Encoder;
+struct bs2b;
 
 
 #ifndef UNUSED
@@ -59,23 +62,6 @@ static const union {
 #endif
 
 
-struct HrtfEntry;
-struct HrtfHandle;
-struct EnumeratedHrtf;
-struct DirectHrtfState;
-struct FrontStablizer;
-struct Compressor;
-struct BackendBase;
-struct ALbuffer;
-struct ALeffect;
-struct ALfilter;
-struct EffectState;
-struct Uhj2Encoder;
-class BFormatDec;
-class AmbiUpsampler;
-struct bs2b;
-
-
 #define MIN_OUTPUT_RATE      8000
 #define DEFAULT_OUTPUT_RATE  44100
 #define DEFAULT_UPDATE_SIZE  882 /* 20ms */