File opencv-lib_suffix.patch of Package opencv
diff -uNr opencv-4.0.0.orig/CMakeLists.txt opencv-4.0.0/CMakeLists.txt
--- opencv-4.0.0.orig/CMakeLists.txt 2018-11-18 07:19:28.000000000 -0200
+++ opencv-4.0.0/CMakeLists.txt 2018-11-20 19:08:55.658455546 -0200
@@ -451,7 +451,7 @@
# Note: layout differs from OpenCV 3.4
include(GNUInstallDirs)
ocv_update(OPENCV_INCLUDE_INSTALL_PATH "${CMAKE_INSTALL_INCLUDEDIR}/opencv4")
- ocv_update(OPENCV_LIB_INSTALL_PATH "${CMAKE_INSTALL_LIBDIR}${LIB_SUFFIX}")
+ ocv_update(OPENCV_LIB_INSTALL_PATH "${CMAKE_INSTALL_LIBDIR}")
ocv_update(OPENCV_CONFIG_INSTALL_PATH "${OPENCV_LIB_INSTALL_PATH}/cmake/opencv4")
ocv_update(OPENCV_3P_LIB_INSTALL_PATH "${OPENCV_LIB_INSTALL_PATH}/opencv4/3rdparty")
ocv_update(OPENCV_SAMPLES_SRC_INSTALL_PATH "${CMAKE_INSTALL_DATAROOTDIR}/opencv4/samples")