move shared libraries into ghc libdir

self boot with ghc9.0
use llvm12 (for ARM)
sync changes from ghc8.10 and ghc 9.2
debian buildpath-abi-stability-2 & haddock-remove-googleapis-fonts patches

Port configure script to C99

Rebuilt for https://fedoraproject.org/wiki/Fedora_37_Mass_Rebuild

add filesystem subpackage

backport fix from ghc-9.0 branch for CAFfy exception closures
/merge_requests/7689

ghc9.0 now recommends ghc9.0-compiler-default
recommends zlib-devel was moved to cabal-install/stack

Rebuilt for https://fedoraproject.org/wiki/Fedora_36_Mass_Rebuild

Rebuilt for https://fedoraproject.org/wiki/Changes/LIBFFI34

rebuild with fixed ghc-rpm-macros to fix broken ghc-ghci-devel metadeps

add compiler-default subpackage
move docs to ghc9.0/ dir
add 9.0 suffix to ghc.1 manpage

update to 9.0.2
https://downloads.haskell.org/~ghc/9.0.2/docs/html/users_guide/9.0.2-notes.html
use llvm11 for ARM

initial package derived from ghc:9.0 and ghc9.2
https://downloads.haskell.org/ghc/9.0.1/docs/html/users_guide/9.0.1-notes.html
uses llvm10 on ARM archs