Content of RPM fftw2-2.1.5-37.fc31.x86_64.rpm :
/usr/lib/.build-id
/usr/lib/.build-id/0d
/usr/lib/.build-id/0d/1ce161bd38a1383687a1cc524d8b88d2bf9c76
/usr/lib/.build-id/3c
/usr/lib/.build-id/3c/ab31c73712feff11b8feb57010c193cd5baa46
/usr/lib/.build-id/41
/usr/lib/.build-id/41/83bf119edef21c6b00dc32c3147b0ed0ea2ffc
/usr/lib/.build-id/71
/usr/lib/.build-id/71/0205f51cda93ad47b8ba5f5b8dd448fae1d677
/usr/lib/.build-id/8e
/usr/lib/.build-id/8e/29b0e5786a0a368a651350ddb94b45c9b7b0bf
/usr/lib/.build-id/8e/c13c14e5f2de9038e1a0ff8cb34f42550aa7ce
/usr/lib/.build-id/9b
/usr/lib/.build-id/9b/91269dc6a30c376fb9759e36df0d23dba0a6b7
/usr/lib/.build-id/ca
/usr/lib/.build-id/ca/9872f63142040babe33660942b35c73597b87e
/usr/lib64/libfftw.so.2
/usr/lib64/libfftw.so.2.0.7
/usr/lib64/libfftw_threads.so.2
/usr/lib64/libfftw_threads.so.2.0.7
/usr/lib64/librfftw.so.2
/usr/lib64/librfftw.so.2.0.7
/usr/lib64/librfftw_threads.so.2
/usr/lib64/librfftw_threads.so.2.0.7
/usr/lib64/libsfftw.so.2
/usr/lib64/libsfftw.so.2.0.7
/usr/lib64/libsfftw_threads.so.2
/usr/lib64/libsfftw_threads.so.2.0.7
/usr/lib64/libsrfftw.so.2
/usr/lib64/libsrfftw.so.2.0.7
/usr/lib64/libsrfftw_threads.so.2
/usr/lib64/libsrfftw_threads.so.2.0.7
/usr/share/doc/fftw2
/usr/share/doc/fftw2/AUTHORS
/usr/share/doc/fftw2/COPYRIGHT
/usr/share/doc/fftw2/ChangeLog
/usr/share/doc/fftw2/NEWS
/usr/share/doc/fftw2/README
/usr/share/doc/fftw2/README.hacks
/usr/share/doc/fftw2/TODO
/usr/share/licenses/fftw2
/usr/share/licenses/fftw2/COPYING