[Bug]: CMAKE_INSTALL_LIBDIR is ignored by CMakeLists.txt

[wahnfred]

What happened?

-DCMAKE_INSTALL_LIBDIR=lib64 is ignored and mishandled in CMakeLists.txt.

87: set(CL_PREFIX "${CMAKE_INSTALL_PREFIX}")

and then in

284: if(NOT CL_PREFIX)

When cmake is called with CMAKE_INSTALL_LIBDIR set, it should also be preferred over

294: include(GNUInstallDirs) # defines CMAKE_INSTALL_LIBDIR to lib or lib64 or whatever. Available since cmake.

Version

Self compiled: 17.10.0-15-g0ef94810a

Operating system

Linux