From eedc83800a867d34156b5c313510707a17016c6b Mon Sep 17 00:00:00 2001
From: Igor Pashev <pashev.igor@gmail.com>
Date: Sat, 30 Sep 2017 19:01:58 +0300
Subject: Imported opencv 2.4.9.1+dfsg1-2

---
 debian/patches/fix_ftbfs_with_gcc6 | 71 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 71 insertions(+)
 create mode 100644 debian/patches/fix_ftbfs_with_gcc6

(limited to 'debian/patches/fix_ftbfs_with_gcc6')

diff --git a/debian/patches/fix_ftbfs_with_gcc6 b/debian/patches/fix_ftbfs_with_gcc6
new file mode 100644
index 0000000..0706faa
--- /dev/null
+++ b/debian/patches/fix_ftbfs_with_gcc6
@@ -0,0 +1,71 @@
+Description: gcc-6 build fixes, cherry-picked from Fedora
+From: https://pkgs.fedoraproject.org/cgit/rpms/opencv.git/commit/?id=ca7da00ea608b62859a640493a1cd6c0f5802550
+Author: Sérgio M. Basto <sergio@serjux.com>
+Last-Update: 2016-10-04
+
+--- opencv-2.4.9.1+dfsg.orig/modules/contrib/src/chamfermatching.cpp
++++ opencv-2.4.9.1+dfsg/modules/contrib/src/chamfermatching.cpp
+@@ -966,10 +966,8 @@ void ChamferMatcher::Matching::computeDi
+     for (int y=0;y<h;++y) {
+         for (int x=0;x<w;++x) {
+             // initialize
+-            if (&annotate_img!=NULL) {
+-                annotate_img.at<Vec2i>(y,x)[0]=x;
+-                annotate_img.at<Vec2i>(y,x)[1]=y;
+-            }
++            annotate_img.at<Vec2i>(y,x)[0]=x;
++            annotate_img.at<Vec2i>(y,x)[1]=y;
+ 
+             uchar edge_val = edges_img.at<uchar>(y,x);
+             if( (edge_val!=0) ) {
+@@ -1013,10 +1011,8 @@ void ChamferMatcher::Matching::computeDi
+                 dist_img.at<float>(ny,nx) = dist;
+                 q.push(std::make_pair(nx,ny));
+ 
+-                if (&annotate_img!=NULL) {
+-                    annotate_img.at<Vec2i>(ny,nx)[0]=annotate_img.at<Vec2i>(y,x)[0];
+-                    annotate_img.at<Vec2i>(ny,nx)[1]=annotate_img.at<Vec2i>(y,x)[1];
+-                }
++                annotate_img.at<Vec2i>(ny,nx)[0]=annotate_img.at<Vec2i>(y,x)[0];
++                annotate_img.at<Vec2i>(ny,nx)[1]=annotate_img.at<Vec2i>(y,x)[1];
+             }
+         }
+     }
+@@ -1107,26 +1103,22 @@ ChamferMatcher::Match* ChamferMatcher::M
+ 
+     float cost = (sum_distance/truncate_)/addr.size();
+ 
++    float* optr = orientation_img.ptr<float>(y)+x;
++    float sum_orientation = 0;
++    int cnt_orientation = 0;
+ 
+-    if (&orientation_img!=NULL) {
+-        float* optr = orientation_img.ptr<float>(y)+x;
+-        float sum_orientation = 0;
+-        int cnt_orientation = 0;
+-
+-        for (size_t i=0;i<addr.size();++i) {
++    for (size_t i=0;i<addr.size();++i) {
+ 
+-            if(addr[i] < (orientation_img.cols*orientation_img.rows) - (offset.y*orientation_img.cols + offset.x)){
+-                                if (tpl->orientations[i]>=-CV_PI && (*(optr+addr[i]))>=-CV_PI) {
+-                    sum_orientation += orientation_diff(tpl->orientations[i], (*(optr+addr[i])));
+-                    cnt_orientation++;
+-                }
++        if(addr[i] < (orientation_img.cols*orientation_img.rows) - (offset.y*orientation_img.cols + offset.x)){
++                            if (tpl->orientations[i]>=-CV_PI && (*(optr+addr[i]))>=-CV_PI) {
++                sum_orientation += orientation_diff(tpl->orientations[i], (*(optr+addr[i])));
++                cnt_orientation++;
+             }
+         }
++    }
+ 
+-        if (cnt_orientation>0) {
+-                        cost = (float)(beta*cost+alpha*(sum_orientation/(2*CV_PI))/cnt_orientation);
+-        }
+-
++    if (cnt_orientation>0) {
++                    cost = (float)(beta*cost+alpha*(sum_orientation/(2*CV_PI))/cnt_orientation);
+     }
+ 
+     if(cost > 0){
-- 
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