Hmm ... It's impossible ;-) This RPM doesn't exist on any FTP server

Provides :
cluttermm-devel
cluttermm-devel(x86-32)
pkgconfig(cluttermm-1.0)

Requires :

/usr/bin/pkg-config
cluttermm(x86-32) = 1.17.3-26.fc42
libcluttermm-1.0.so.1
pkgconfig(atkmm-1.6) >= 2.22.2
pkgconfig(clutter-1.0) >= 1.18.0
pkgconfig(pangomm-1.4) >= 2.27.1
rpmlib(CompressedFileNames) <= 3.0.4-1
rpmlib(FileDigests) <= 4.6.0-1
rpmlib(PayloadFilesHavePrefix) <= 4.0-1
rpmlib(PayloadIsZstd) <= 5.4.18-1

Content of RPM :
/usr/include/cluttermm-1.0
/usr/include/cluttermm-1.0/cluttermm
/usr/include/cluttermm-1.0/cluttermm.h
/usr/include/cluttermm-1.0/cluttermm/action.h
/usr/include/cluttermm-1.0/cluttermm/actor-box.h
/usr/include/cluttermm-1.0/cluttermm/actor-meta.h
/usr/include/cluttermm-1.0/cluttermm/actor.h
/usr/include/cluttermm-1.0/cluttermm/align-constraint.h
/usr/include/cluttermm-1.0/cluttermm/alpha.h
/usr/include/cluttermm-1.0/cluttermm/animatable.h
/usr/include/cluttermm-1.0/cluttermm/animation.h
/usr/include/cluttermm-1.0/cluttermm/animator.h
/usr/include/cluttermm-1.0/cluttermm/backend.h
/usr/include/cluttermm-1.0/cluttermm/behaviour-depth.h
/usr/include/cluttermm-1.0/cluttermm/behaviour-ellipse.h
/usr/include/cluttermm-1.0/cluttermm/behaviour-opacity.h
/usr/include/cluttermm-1.0/cluttermm/behaviour-path.h
/usr/include/cluttermm-1.0/cluttermm/behaviour-rotate.h
/usr/include/cluttermm-1.0/cluttermm/behaviour-scale.h
/usr/include/cluttermm-1.0/cluttermm/behaviour.h
/usr/include/cluttermm-1.0/cluttermm/bin-layout.h
/usr/include/cluttermm-1.0/cluttermm/bind-constraint.h
/usr/include/cluttermm-1.0/cluttermm/blur-effect.h
/usr/include/cluttermm-1.0/cluttermm/box-layout.h
/usr/include/cluttermm-1.0/cluttermm/box.h
/usr/include/cluttermm-1.0/cluttermm/brightness-contrast-effect.h
/usr/include/cluttermm-1.0/cluttermm/cairo-texture.h
/usr/include/cluttermm-1.0/cluttermm/canvas.h
/usr/include/cluttermm-1.0/cluttermm/childmeta.h
/usr/include/cluttermm-1.0/cluttermm/clone.h
There is 135 files more in these RPM.