Created attachment 598106 [details, diff] don't try to install LICENSE.txt media-libs/opencv-4.1.2-r1 fails to install with -- Install configuration: "Gentoo" CMake Error at cmake_install.cmake:41 (file): file INSTALL cannot find "/var/tmp/portage/media-libs/opencv-4.1.2-r1/work/opencv-4.1.2/3rdparty/include/opencl/LICENSE.txt": No such file or directory. The attached patch fixes this.
*** This bug has been marked as a duplicate of bug 701448 ***