--- a/src/ioctl.c
+++ b/src/ioctl.c
@@ -220,7 +220,7 @@
     *pi_copyright = p_buffer[ 4 ];
 
 #else
-#   error "DVD ioctls are unavailable on this system"
+    printf("DVD ioctls are unavailable on this system\n");
 
 #endif
     return i_ret;
@@ -353,7 +353,7 @@
     memcpy( p_key, p_buffer + 4, DVD_DISCKEY_SIZE );
 
 #else
-#   error "DVD ioctls are unavailable on this system"
+    printf("DVD ioctls are unavailable on this system\n");
 
 #endif
     return i_ret;
@@ -483,7 +483,7 @@
     memcpy( p_key, p_buffer + 5, DVD_KEY_SIZE );
 
 #else
-#   error "DVD ioctls are unavailable on this system"
+    printf("DVD ioctls are unavailable on this system\n");
 
 #endif
 
@@ -580,7 +580,7 @@
     *pi_agid = p_buffer[ 7 ] >> 6;
 
 #else
-#   error "DVD ioctls are unavailable on this system"
+    printf("DVD ioctls are unavailable on this system\n");
 
 #endif
     return i_ret;
@@ -688,7 +688,7 @@
     memcpy( p_challenge, p_buffer + 4, DVD_CHALLENGE_SIZE );
 
 #else
-#   error "DVD ioctls are unavailable on this system"
+    printf("DVD ioctls are unavailable on this system\n");
 
 #endif
     return i_ret;
@@ -798,7 +798,7 @@
     *pi_asf = p_buffer[ 7 ] & 1;
 
 #else
-#   error "DVD ioctls are unavailable on this system"
+    printf("DVD ioctls are unavailable on this system\n");
 
 #endif
     return i_ret;
@@ -901,7 +901,7 @@
     memcpy( p_key, p_buffer + 4, DVD_KEY_SIZE );
 
 #else
-#   error "DVD ioctls are unavailable on this system"
+    printf("DVD ioctls are unavailable on this system\n");
 
 #endif
     return i_ret;
@@ -984,7 +984,7 @@
                         &sdc, sizeof(sdc), &ulParamLen,
                         NULL, 0, &ulDataLen);
 #else
-#   error "DVD ioctls are unavailable on this system"
+    printf("DVD ioctls are unavailable on this system\n");
 
 #endif
     return i_ret;
@@ -1093,7 +1093,7 @@
                          p_buffer, sizeof(p_buffer), &ulDataLen );
 
 #else
-#   error "DVD ioctls are unavailable on this system"
+    printf("DVD ioctls are unavailable on this system\n");
 
 #endif
     return i_ret;
@@ -1202,7 +1202,7 @@
                          p_buffer, sizeof(p_buffer), &ulDataLen );
 
 #else
-#   error "DVD ioctls are unavailable on this system"
+    printf("DVD ioctls are unavailable on this system\n");
 
 #endif
     return i_ret;
@@ -1329,7 +1329,7 @@
     *p_scheme = p_buffer[ 6 ];
 
 #else
-#   error "DVD ioctls are unavailable on this system"
+    printf("DVD ioctls are unavailable on this system\n");
 
 #endif
     return i_ret;