The install target fails on FreeBSD

[yurivict]

The install target fails on FreeBSD 11.2 amd64:

-- fixup_bundle
--   app='/usr/local/bin/rvu'
--   libs='/usr/ports/graphics/radiance-simulation-tool/work/stage/usr/local/bin/plugins/imageformats/libqgif.so;/usr/ports/graphics/radiance-simulation-tool/work/stage/usr/local/bin/plugins/imageformats/libqico.so;/usr/ports/graphics/radiance-simulation-tool/work/stage/usr/local/bin/plugins/imageformats/libqjpeg.so;/usr/ports/graphics/radiance-simulation-tool/work/stage/usr/local/bin/plugins/imageformats/libqtiff.so;/usr/ports/graphics/radiance-simulation-tool/work/stage/usr/local/bin/plugins/platforms/libqxcb.so'
--   dirs='/usr/local/lib;/usr/local/lib'
--   ignoreItems=''
-- warning: *NOT* handled - directory/file does not exist...
CMake Error at /usr/local/share/cmake/Modules/BundleUtilities.cmake:966 (message):
  error: fixup_bundle: not a valid bundle
Call Stack (most recent call first):
  InstallRules/dependencies.cmake:14 (fixup_bundle)
  InstallRules/cmake_install.cmake:36 (include)
  cmake_install.cmake:47 (include)


-- fixup_bundle: done
FAILED: CMakeFiles/install/strip.util 

Version 5.2.