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

Provides :
ghc-cpphs
ghc-cpphs(x86-64)
libHScpphs-1.20.8-DevT7HkEKU3DDQgUoHVnJY-ghc8.6.3.so()(64bit)

Requires :

libHSarray-0.5.3.0-ghc8.6.3.so()(64bit)
libHSbase-4.12.0.0-ghc8.6.3.so()(64bit)
libHSbinary-0.8.6.0-ghc8.6.3.so()(64bit)
libHSbytestring-0.10.8.2-ghc8.6.3.so()(64bit)
libHScontainers-0.6.0.1-ghc8.6.3.so()(64bit)
libHSdeepseq-1.4.4.0-ghc8.6.3.so()(64bit)
libHSdirectory-1.3.3.0-ghc8.6.3.so()(64bit)
libHSfilepath-1.4.2.1-ghc8.6.3.so()(64bit)
libHSghc-prim-0.5.3-ghc8.6.3.so()(64bit)
libHSinteger-gmp-1.0.2.0-ghc8.6.3.so()(64bit)
libHSold-locale-1.0.0.7-D4Rn5zPhtMJBwwirPJNu78-ghc8.6.3.so()(64bit)
libHSold-time-1.1.0.3-2XkcGgLYS3G4Bt8PCBG9iL-ghc8.6.3.so()(64bit)
libHSpolyparse-1.12.1-FeZxex5koKh2BIaglzjzIj-ghc8.6.3.so()(64bit)
libHStext-1.2.3.1-ghc8.6.3.so()(64bit)
libHStime-1.8.0.2-ghc8.6.3.so()(64bit)
libHSunix-2.7.2.2-ghc8.6.3.so()(64bit)
libatomic.so.1()(64bit)
libc.so.6()(64bit)
libc.so.6(GLIBC_2.2.5)(64bit)
libdl.so.2()(64bit)
libgmp.so.10()(64bit)
libm.so.6()(64bit)
libpthread.so.0()(64bit)
librt.so.1()(64bit)
libutil.so.1()(64bit)
rpmlib(CompressedFileNames) <= 3.0.4-1
rpmlib(FileDigests) <= 4.6.0-1
rpmlib(PayloadFilesHavePrefix) <= 4.0-1
rpmlib(PayloadIsXz) <= 5.2-1

Content of RPM :
/usr/lib64/ghc-8.6.3/cpphs-1.20.8-DevT7HkEKU3DDQgUoHVnJY
/usr/lib64/ghc-8.6.3/cpphs-1.20.8-DevT7HkEKU3DDQgUoHVnJY/libHScpphs-1.20.8-DevT7HkEKU3DDQgUoHVnJY-ghc8.6.3.so
/usr/share/licenses/ghc-cpphs
/usr/share/licenses/ghc-cpphs/LICENCE-LGPL