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