宋文武 <iyzsong@gmail.com> skribis:

> if CMAKE_INSTALL_LIBDIR not set to `lib`, GNUInstallDirs.cmake will install
> libraries files to $out/lib64.

I found several CMake-built libraries on x86_64 (graphite2, openjpeg,
qjson) that all use lib/, not lib64/.

Then I found one counterexample, libftdi; however, setting
CMAKE_INSTALL_LIBDIR=lib doesn’t make any different: it still installs
libraries in $out/lib64.  Any idea?

Here’s the patch I tried: