Content of RPM fftw2-2.1.5-36.fc30.x86_64.rpm :
/usr/lib/.build-id
/usr/lib/.build-id/0e
/usr/lib/.build-id/0e/7ba26173fd35b1061e216dbbd2f900713cca45
/usr/lib/.build-id/5d
/usr/lib/.build-id/5d/c02143aa9311504661917a21de74a5daa94bd5
/usr/lib/.build-id/76
/usr/lib/.build-id/76/b88ee46ce73d2440b589c39e5a05e78a5a5c57
/usr/lib/.build-id/b9
/usr/lib/.build-id/b9/94d95ac622a67d8c5a71eb86af2adf8fca6a3a
/usr/lib/.build-id/ca
/usr/lib/.build-id/ca/24c53c28237240258aca08ffae9a4469eacb65
/usr/lib/.build-id/cc
/usr/lib/.build-id/cc/5a78423190eb62567c7ec611b38b50cc0c5e08
/usr/lib/.build-id/d7
/usr/lib/.build-id/d7/9798ba27cbaac059d49db1679a086fdb7ec316
/usr/lib/.build-id/e1
/usr/lib/.build-id/e1/7c055519dfbba0895e07341b183832997f96b8
/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/COPYING
/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