diff --git a/cgdoom/am_map.c b/cgdoom/am_map.c
index 497a823..f180d21 100644
--- a/cgdoom/am_map.c
+++ b/cgdoom/am_map.c
@@ -991,17 +991,12 @@ AM_drawFline
   register int ay;
   register int d;
 
-  static int fuck = 0;
-
   // For debugging only
-  if (      fl->a.x < 0 || fl->a.x >= f_w
+  if ( fl->a.x < 0 || fl->a.x >= f_w
     || fl->a.y < 0 || fl->a.y >= f_h
     || fl->b.x < 0 || fl->b.x >= f_w
     || fl->b.y < 0 || fl->b.y >= f_h)
   {
-#ifdef CG_EMULATOR
-    printf("fuck %d \r", fuck++);
-#endif //#ifdef CG_EMULATOR
     return;
   }
 
diff --git a/cgdoom/cgdoom.c b/cgdoom/cgdoom.c
index d88fa3b..002336b 100644
--- a/cgdoom/cgdoom.c
+++ b/cgdoom/cgdoom.c
@@ -530,10 +530,14 @@ int CreateFileMapping(int fd, FileMapping *pMap)
 			pFileData = ReadNextSector(&fc, &iLength);
 			if(iLength <= 0)
 				break;
+
+			#pragma GCC diagnostic push
+			#pragma GCC diagnostic ignored "-Wstringop-overread"
 			if((iLength == FLASH_PAGE_SIZE)
 				? CGD_sector_memcmp(pFileData, pFragment, iLength)
 				: memcmp(pFileData, pFragment, iLength))
 					break;
+			#pragma GCC diagnostic pop
 		}
 	}
 	if(iLength < 0)
diff --git a/cgdoom/m_swap.c b/cgdoom/m_swap.c
index 68d9219..eb7a18b 100644
--- a/cgdoom/m_swap.c
+++ b/cgdoom/m_swap.c
@@ -29,7 +29,7 @@
 #endif
 #include "m_swap.h"
 
-#ifndef CG_EMULATOR
+#if !defined(CG_EMULATOR) && !defined(__BIG_ENDIAN__)
 #define __BIG_ENDIAN__
 #endif 
 
diff --git a/cgdoom/p_spec.c b/cgdoom/p_spec.c
index e9b1df1..cf439ca 100644
--- a/cgdoom/p_spec.c
+++ b/cgdoom/p_spec.c
@@ -1150,7 +1150,7 @@ int EV_DoDonut(line_t*	line)
     s2 = getNextSector(s1->lines[0],s1);
     for (i = 0;i < s2->linecount;i++)
     {
-      if ( (!s2->lines[i]->flags & ML_TWOSIDED) || (s2->lines[i]->backsector == s1) )
+      if ( (!(s2->lines[i]->flags & ML_TWOSIDED)) || (s2->lines[i]->backsector == s1) )
         continue;
 
       s3 = s2->lines[i]->backsector;