diff -ru devil-1.7.8/src-IL/src/il_exr.cpp devil-1.7.8a/src-IL/src/il_exr.cpp
--- devil-1.7.8/src-IL/src/il_exr.cpp	2009-03-08 08:10:09.000000000 +0100
+++ devil-1.7.8a/src-IL/src/il_exr.cpp	2015-05-15 18:50:35.700339353 +0200
@@ -11,6 +11,7 @@
 //-----------------------------------------------------------------------------
 
 
+#include "il.h"
 #include "il_internal.h"
 #ifndef IL_NO_EXR
 
diff -ru devil-1.7.8/src-IL/src/il_nvidia.cpp devil-1.7.8a/src-IL/src/il_nvidia.cpp
--- devil-1.7.8/src-IL/src/il_nvidia.cpp	2009-03-08 08:10:09.000000000 +0100
+++ devil-1.7.8a/src-IL/src/il_nvidia.cpp	2015-05-15 18:50:46.490308339 +0200
@@ -11,6 +11,7 @@
 //-----------------------------------------------------------------------------
 
 
+#include "il.h"
 #include "il_internal.h"
 #include "il_dds.h"
 #include "il_manip.h"
diff -ru devil-1.7.8/src-IL/src/il_squish.cpp devil-1.7.8a/src-IL/src/il_squish.cpp
--- devil-1.7.8/src-IL/src/il_squish.cpp	2009-03-08 08:10:09.000000000 +0100
+++ devil-1.7.8a/src-IL/src/il_squish.cpp	2015-05-15 18:56:13.935820622 +0200
@@ -11,6 +11,7 @@
 //-----------------------------------------------------------------------------
 
 
+#include "il.h"
 #include "il_internal.h"
 /*#include "il_dds.h"
 #include "il_manip.h"
diff -ru devil-1.7.8/src-IL/src/il_utx.cpp devil-1.7.8a/src-IL/src/il_utx.cpp
--- devil-1.7.8/src-IL/src/il_utx.cpp	2009-03-08 08:10:09.000000000 +0100
+++ devil-1.7.8a/src-IL/src/il_utx.cpp	2015-05-15 18:56:33.572405684 +0200
@@ -12,6 +12,8 @@
 //
 //-----------------------------------------------------------------------------
 
+
+#include "il.h"
 #include "il_internal.h"
 #ifndef IL_NO_UTX
 #include "il_utx.h"