$NetBSD: patch-aa,v 1.3 2010/12/05 10:36:41 wiz Exp $

NetBSD doesn't have expl(3) yet.

--- modules/ml/src/gbt.cpp.orig	2010-12-05 03:35:25.000000000 +0000
+++ modules/ml/src/gbt.cpp
@@ -11,7 +11,7 @@ using namespace std;
 #define CV_CMP_FLOAT(a,b) ((a) < (b))
 static CV_IMPLEMENT_QSORT_EX( icvSortFloat, float, CV_CMP_FLOAT, float)
 
-#if ANDROID
+#if defined(ANDROID) || defined(__NetBSD__)
 #define expl(x) exp(x)
 #endif