diff -Naur nas-1.9.4.orig/server/include/misc.h nas-1.9.4/server/include/misc.h
--- nas-1.9.4.orig/server/include/misc.h	2013-04-26 20:41:06.000000000 -0400
+++ nas-1.9.4/server/include/misc.h	2014-05-14 12:46:21.347595909 -0400
@@ -71,12 +71,6 @@
 
 #define min(a, b) (((a) < (b)) ? (a) : (b))
 #define max(a, b) (((a) > (b)) ? (a) : (b))
-#ifndef abs
-#define abs(a) ((a) > 0 ? (a) : -(a))
-#endif
-#ifndef fabs
-#define fabs(a) ((a) > 0.0 ? (a) : -(a))        /* floating absolute value */
-#endif
 #define sign(x) ((x) < 0 ? -1 : ((x) > 0 ? 1 : 0))
 /* this assumes b > 0 */
 #define modulus(a, b, d)    if (((d) = (a) % (b)) < 0) (d) += (b)