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From f4329c7e8f4704d3f8e8f2a96bd774e6d966194b Mon Sep 17 00:00:00 2001
From: martin <martin.sandsmark@kde.org>
Date: Tue, 7 Apr 2020 19:48:01 +0000
Subject: [PATCH] fix opencv4 support (#545)

---
 src/modules/opencv/configure | 17 +++++++++++++----
 1 file changed, 13 insertions(+), 4 deletions(-)

diff --git a/src/modules/opencv/configure b/src/modules/opencv/configure
index 36851f678..4e7fdcf4a 100755
--- a/src/modules/opencv/configure
+++ b/src/modules/opencv/configure
@@ -26,18 +26,27 @@ else
 		exit 0
 	fi
 
-    pkg-config --atleast-version=3.1.0 'opencv'
+	opencvname=opencv
+	pkg-config "$opencvname"
+	if [ $? -ne 0 ]
+	then
+		# Try v4, they renamed
+		opencvname=opencv4
+	fi
+
+	pkg-config --atleast-version=3.1.0 "$opencvname"
+
 	if [ $? -eq 0 ]
 	then
-                result=`pkg-config --libs opencv | grep "opencv_tracking"`
+                result=`pkg-config --libs "$opencvname" | grep "opencv_tracking"`
                 if [ -z "$result" ]
                 then
                         echo "- OpenCV tracking contrib module NOT found, disabling OpenCV modules"
                         touch ../disable-opencv
                         exit 0
                 else
-                        echo "CFLAGS += $(pkg-config --cflags opencv)" >> config.mak
-                        echo "LDFLAGS += $(pkg-config --libs opencv)" >> config.mak
+                        echo "CFLAGS += $(pkg-config --cflags "$opencvname")" >> config.mak
+                        echo "LDFLAGS += $(pkg-config --libs "$opencvname")" >> config.mak
                 fi
 	else
 	    echo "- OpenCV >= 3.1.0 NOT found: disabling"