1From fe740316af970f57ec511cdeafb512510e4842a9 Mon Sep 17 00:00:00 2001
2From: Fabrice Fontaine <fontaine.fabrice@gmail.com>
3Date: Sat, 9 Nov 2019 17:21:13 +0100
4Subject: [PATCH] CMakeLists.txt: add BUILD_OPENCV option
5
6Add BUILD_OPENCV option to allow the user to disable OpenCV. It is
7especially useful as opencv library can be built without highgui support
8
9Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
10[Upstream status: https://github.com/glassechidna/zxing-cpp/pull/90]
11---
12 CMakeLists.txt | 7 +++++--
13 1 file changed, 5 insertions(+), 2 deletions(-)
14
15diff --git a/CMakeLists.txt b/CMakeLists.txt
16index 738f4e1..12913cd 100644
17--- a/CMakeLists.txt
18+++ b/CMakeLists.txt
19@@ -3,6 +3,7 @@ cmake_minimum_required(VERSION 3.0)
20 project(zxing)
21
22 option(BUILD_TESTING "Enable generation of test targets" OFF)
23+option(BUILD_OPENCV "Enable OpenCV classes and OpenCV cli executable" ON)
24
25 set(CMAKE_LIBRARY_PATH /opt/local/lib ${CMAKE_LIBRARY_PATH})
26
27@@ -44,8 +45,10 @@ else()
28     set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
29 endif()
30
31-# OpenCV classes
32-find_package(OpenCV)
33+if (BUILD_OPENCV)
34+    # OpenCV classes
35+    find_package(OpenCV)
36+endif()
37 if(OpenCV_FOUND)
38     list(APPEND LIBZXING_FILES
39         opencv/src/zxing/MatSource.cpp
40