/usr/lib/x86_64-linux-gnu/cmake/ is in gnuradio-dev 3.7.9.1-2ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/x86_64-linux-gnu/cmake/gnuradio/
/usr/lib/x86_64-linux-gnu/cmake/gnuradio/CMakeMacroLibtoolFile.cmake
/usr/lib/x86_64-linux-gnu/cmake/gnuradio/CMakeParseArgumentsCopy.cmake
/usr/lib/x86_64-linux-gnu/cmake/gnuradio/FindALSA.cmake
/usr/lib/x86_64-linux-gnu/cmake/gnuradio/FindCppUnit.cmake
/usr/lib/x86_64-linux-gnu/cmake/gnuradio/FindFFTW3f.cmake
/usr/lib/x86_64-linux-gnu/cmake/gnuradio/FindGSL.cmake
/usr/lib/x86_64-linux-gnu/cmake/gnuradio/FindGit.cmake
/usr/lib/x86_64-linux-gnu/cmake/gnuradio/FindJack.cmake
/usr/lib/x86_64-linux-gnu/cmake/gnuradio/FindLog4cpp.cmake
/usr/lib/x86_64-linux-gnu/cmake/gnuradio/FindOSS.cmake
/usr/lib/x86_64-linux-gnu/cmake/gnuradio/FindPortaudio.cmake
/usr/lib/x86_64-linux-gnu/cmake/gnuradio/FindQwt.cmake
/usr/lib/x86_64-linux-gnu/cmake/gnuradio/FindSWIG.cmake
/usr/lib/x86_64-linux-gnu/cmake/gnuradio/FindSphinx.cmake
/usr/lib/x86_64-linux-gnu/cmake/gnuradio/FindThrift.cmake
/usr/lib/x86_64-linux-gnu/cmake/gnuradio/FindUHD.cmake
/usr/lib/x86_64-linux-gnu/cmake/gnuradio/FindUSB.cmake
/usr/lib/x86_64-linux-gnu/cmake/gnuradio/FindZeroMQ.cmake
/usr/lib/x86_64-linux-gnu/cmake/gnuradio/GnuradioConfig.cmake
/usr/lib/x86_64-linux-gnu/cmake/gnuradio/GnuradioConfigVersion.cmake
/usr/lib/x86_64-linux-gnu/cmake/gnuradio/GrBoost.cmake
/usr/lib/x86_64-linux-gnu/cmake/gnuradio/GrBuildTypes.cmake
/usr/lib/x86_64-linux-gnu/cmake/gnuradio/GrComponent.cmake
/usr/lib/x86_64-linux-gnu/cmake/gnuradio/GrMiscUtils.cmake
/usr/lib/x86_64-linux-gnu/cmake/gnuradio/GrPackage.cmake
/usr/lib/x86_64-linux-gnu/cmake/gnuradio/GrPlatform.cmake
/usr/lib/x86_64-linux-gnu/cmake/gnuradio/GrPython.cmake
/usr/lib/x86_64-linux-gnu/cmake/gnuradio/GrSetupQt4.cmake
/usr/lib/x86_64-linux-gnu/cmake/gnuradio/GrSwig.cmake
/usr/lib/x86_64-linux-gnu/cmake/gnuradio/GrTest.cmake
/usr/lib/x86_64-linux-gnu/cmake/gnuradio/GrVersion.cmake
/usr/lib/x86_64-linux-gnu/cmake/gnuradio/LibFindMacros.cmake
/usr/lib/x86_64-linux-gnu/cmake/gnuradio/UseSWIG.cmake