From a8793cd30a80ca98cb3acbf78e703cede6083113 Mon Sep 17 00:00:00 2001
From: Stanislaw Halik <sthalik@misaki.pl>
Date: Wed, 19 Oct 2022 08:24:58 +0200
Subject: make opencv optional

---
 anim-crop-tool/CMakeLists.txt | 20 +++++++++++---------
 1 file changed, 11 insertions(+), 9 deletions(-)

diff --git a/anim-crop-tool/CMakeLists.txt b/anim-crop-tool/CMakeLists.txt
index 6e7863e6..48e41b8f 100644
--- a/anim-crop-tool/CMakeLists.txt
+++ b/anim-crop-tool/CMakeLists.txt
@@ -1,11 +1,13 @@
-find_package(OpenCV QUIET REQUIRED COMPONENTS core imgcodecs imgproc)
-set(self "${PROJECT_NAME}-anim-crop-tool")
+find_package(OpenCV QUIET COMPONENTS core imgcodecs imgproc)
+if(Opencv_FOUND)
+    set(self "${PROJECT_NAME}-anim-crop-tool")
 
-include_directories(SYSTEM PRIVATE ${OpenCV_INCLUDE_DIRS})
-link_libraries(Corrade::Utility Magnum::Magnum)
-link_libraries(opencv_imgproc opencv_imgcodecs opencv_core)
-link_libraries(${PROJECT_NAME})
+    include_directories(SYSTEM PRIVATE ${OpenCV_INCLUDE_DIRS})
+    link_libraries(Corrade::Utility Magnum::Magnum)
+    link_libraries(opencv_imgproc opencv_imgcodecs opencv_core)
+    link_libraries(${PROJECT_NAME})
 
-file(GLOB sources "*.cpp" CONFIGURE_ARGS)
-add_executable(${self} ${sources})
-install(TARGETS ${self} RUNTIME DESTINATION "bin")
+    file(GLOB sources "*.cpp" CONFIGURE_ARGS)
+    add_executable(${self} ${sources})
+    install(TARGETS ${self} RUNTIME DESTINATION "bin")
+endif()
-- 
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