--- /usr/ports/multimedia/zoneminder/files/patch-src_zm__image.cpp	1970-01-01 03:00:00.000000000 +0300
+++ /usr/ports/multimedia/zoneminder/files/patch-src_zm__image.cpp	2016-06-13 15:55:01.765705000 +0300
@@ -0,0 +1,18 @@ 
+--- src/zm_image.cpp.orig	2016-06-01 00:41:17 UTC
++++ src/zm_image.cpp
+@@ -1619,12 +1619,9 @@ Image *Image::Highlight( unsigned int n_
+       for ( unsigned int j = 0; j < n_images; j++ )
+       {
+         uint8_t *psrc = images[j]->buffer+c;
+-
+-#ifndef SOLARIS
+-        if ( (unsigned)abs((*psrc)-RGB_VAL(ref_colour,c)) >= RGB_VAL(threshold,c) )
+-#else
+-        if ( (unsigned)std::abs((*psrc)-RGB_VAL(ref_colour,c)) >= RGB_VAL(threshold,c) )
+-#endif
++       unsigned int diff = ((*psrc)-RGB_VAL(ref_colour,c)) > 0 ? (*psrc)-RGB_VAL(ref_colour,c) : RGB_VAL(ref_colour,c) - (*psrc);
++        
++       if (diff >= RGB_VAL(threshold,c))
+         {
+           count++;
+         }