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, 55 insertions, 31 deletions

diff --git a/Alc/alc.cpp b/Alc/alc.cpp
index a7b53c6b..0bc099b4 100644
--- a/Alc/alc.cpp
+++ b/Alc/alc.cpp
@@ -22,47 +22,71 @@
 
 #include "version.h"
 
-#include <stdlib.h>
-#include <stdio.h>
-#include <memory.h>
-#include <ctype.h>
-#include <signal.h>
-
-#include <cmath>
+#include <exception>
+#include <algorithm>
+#include <array>
 #include <atomic>
+#include <cctype>
+#include <chrono>
+#include <climits>
+#include <cmath>
+#include <csignal>
+#include <cstdint>
+#include <cstdio>
+#include <cstdlib>
+#include <cstring>
+#include <functional>
+#include <iterator>
+#include <limits>
+#include <memory>
 #include <mutex>
-#include <thread>
-#include <vector>
-#include <string>
+#include <new>
 #include <numeric>
-#include <algorithm>
-#include <functional>
+#include <string>
+#include <thread>
+#include <utility>
+
+#include "AL/al.h"
+#include "AL/alc.h"
+#include "AL/alext.h"
+#include "AL/efx.h"
 
-#include "alMain.h"
-#include "alcontext.h"
-#include "alSource.h"
-#include "alListener.h"
-#include "alSource.h"
-#include "alBuffer.h"
-#include "alFilter.h"
-#include "alEffect.h"
 #include "alAuxEffectSlot.h"
+#include "alEffect.h"
 #include "alError.h"
-#include "mastering.h"
-#include "bformatdec.h"
-#include "uhjfilter.h"
-#include "alu.h"
+#include "alFilter.h"
+#include "alListener.h"
+#include "alMain.h"
+#include "alSource.h"
+#include "albyte.h"
 #include "alconfig.h"
-#include "ringbuffer.h"
-#include "filters/splitter.h"
+#include "alcontext.h"
+#include "alexcpt.h"
+#include "almalloc.h"
+#include "alnumeric.h"
+#include "aloptional.h"
+#include "alspan.h"
+#include "alu.h"
+#include "ambidefs.h"
+#include "atomic.h"
+#include "bformatdec.h"
 #include "bs2b.h"
-
-#include "fpu_modes.h"
-#include "cpu_caps.h"
 #include "compat.h"
+#include "cpu_caps.h"
+#include "effects/base.h"
+#include "filters/nfc.h"
+#include "filters/splitter.h"
+#include "fpu_modes.h"
+#include "hrtf.h"
+#include "inprogext.h"
+#include "logging.h"
+#include "mastering.h"
+#include "opthelpers.h"
+#include "ringbuffer.h"
 #include "threads.h"
-#include "alexcpt.h"
-#include "almalloc.h"
+#include "uhjfilter.h"
+#include "vecmat.h"
+#include "vector.h"
 
 #include "backends/base.h"
 #include "backends/null.h"