diff -r 5f819b90d479 -r 99b265e0d1d0 misc/libphysfs/lzma/C/Compress/Huffman/HuffmanEncode.c
--- a/misc/libphysfs/lzma/C/Compress/Huffman/HuffmanEncode.c	Thu Oct 11 23:43:31 2018 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,146 +0,0 @@
-/* Compress/HuffmanEncode.c */
-
-#include "HuffmanEncode.h"
-#include "../../Sort.h"
-
-#define kMaxLen 16
-#define NUM_BITS 10
-#define MASK ((1 << NUM_BITS) - 1)
-
-#define NUM_COUNTERS 64
-
-/* use BLOCK_SORT_EXTERNAL_FLAGS if blockSize > 1M */
-#define HUFFMAN_SPEED_OPT
-
-void Huffman_Generate(const UInt32 *freqs, UInt32 *p, Byte *lens, UInt32 numSymbols, UInt32 maxLen)
-{
-  UInt32 num = 0;
-  /* if (maxLen > 10) maxLen = 10; */
-  {
-    UInt32 i;
-    
-    #ifdef HUFFMAN_SPEED_OPT
-    
-    UInt32 counters[NUM_COUNTERS];
-    for (i = 0; i < NUM_COUNTERS; i++) 
-      counters[i] = 0;
-    for (i = 0; i < numSymbols; i++) 
-    {
-      UInt32 freq = freqs[i];
-      counters[(freq < NUM_COUNTERS - 1) ? freq : NUM_COUNTERS - 1]++;
-    }
- 
-    for (i = 1; i < NUM_COUNTERS; i++) 
-    {
-      UInt32 temp = counters[i];
-      counters[i] = num;
-      num += temp;
-    }
-
-    for (i = 0; i < numSymbols; i++) 
-    {
-      UInt32 freq = freqs[i];
-      if (freq == 0)
-        lens[i] = 0;
-      else
-        p[counters[((freq < NUM_COUNTERS - 1) ? freq : NUM_COUNTERS - 1)]++] = i | (freq << NUM_BITS);
-    }
-    counters[0] = 0;
-    HeapSort(p + counters[NUM_COUNTERS - 2], counters[NUM_COUNTERS - 1] - counters[NUM_COUNTERS - 2]);
-    
-    #else
-
-    for (i = 0; i < numSymbols; i++) 
-    {
-      UInt32 freq = freqs[i];
-      if (freq == 0)
-        lens[i] = 0;
-      else
-        p[num++] = i | (freq << NUM_BITS);
-    }
-    HeapSort(p, num);
-
-    #endif
-  }
-
-  if (num < 2) 
-  {
-    int minCode = 0;
-    int maxCode = 1;
-    if (num == 1)
-    {
-      maxCode = p[0] & MASK;
-      if (maxCode == 0)
-        maxCode++;
-    }
-    p[minCode] = 0;
-    p[maxCode] = 1;
-    lens[minCode] = lens[maxCode] = 1;
-    return;
-  }
-  
-  {
-    UInt32 b, e, i;
-  
-    i = b = e = 0;
-    do 
-    {
-      UInt32 n, m, freq;
-      n = (i != num && (b == e || (p[i] >> NUM_BITS) <= (p[b] >> NUM_BITS))) ? i++ : b++;
-      freq = (p[n] & ~MASK);
-      p[n] = (p[n] & MASK) | (e << NUM_BITS);
-      m = (i != num && (b == e || (p[i] >> NUM_BITS) <= (p[b] >> NUM_BITS))) ? i++ : b++;
-      freq += (p[m] & ~MASK);
-      p[m] = (p[m] & MASK) | (e << NUM_BITS);
-      p[e] = (p[e] & MASK) | freq;
-      e++;
-    } 
-    while (num - e > 1);
-    
-    {
-      UInt32 lenCounters[kMaxLen + 1];
-      for (i = 0; i <= kMaxLen; i++) 
-        lenCounters[i] = 0;
-      
-      p[--e] &= MASK;
-      lenCounters[1] = 2;
-      while (e > 0) 
-      {
-        UInt32 len = (p[p[--e] >> NUM_BITS] >> NUM_BITS) + 1;
-        p[e] = (p[e] & MASK) | (len << NUM_BITS);
-        if (len >= maxLen) 
-          for (len = maxLen - 1; lenCounters[len] == 0; len--);
-        lenCounters[len]--;
-        lenCounters[len + 1] += 2;
-      }
-      
-      {
-        UInt32 len;
-        i = 0;
-        for (len = maxLen; len != 0; len--) 
-        {
-          UInt32 num;
-          for (num = lenCounters[len]; num != 0; num--) 
-            lens[p[i++] & MASK] = (Byte)len;
-        }
-      }
-      
-      {
-        UInt32 nextCodes[kMaxLen + 1];
-        {
-          UInt32 code = 0;
-          UInt32 len;
-          for (len = 1; len <= kMaxLen; len++) 
-            nextCodes[len] = code = (code + lenCounters[len - 1]) << 1;
-        }
-        /* if (code + lenCounters[kMaxLen] - 1 != (1 << kMaxLen) - 1) throw 1; */
-
-        {
-          UInt32 i;
-          for (i = 0; i < numSymbols; i++) 
-            p[i] = nextCodes[lens[i]]++;
-        }
-      }
-    }
-  }
-}