HackEso/Haskell

These notes use Burlesque as an example, but should generalize to other Haskell programs (possibly with different versions of GHC).

match the distribution: Debian 10 (soon: 11). debootstrap --arch=amd64 oldstable /<some chroot>
install GHC + Burlesque dependencies (apt-get install make ghc alex happy g++ cabal-install git wget curl xz-utils)
compile correct GHC version (8.8.4 for Burlesque).
crucially, use ./configure --disable-large-address-space to disable the GHC runtime's default of reserving 1TiB of address space on startup, which does not work in UML
enable split-objs in ~/.cabal/config (cabal update first creates this file)
install Burlesque dependencies cabal install split haskeline mtl regex-compat parsec digits statistics monadlist utf8-string
compile Burlesque with ghc -static (which causes ghc to link all Haskell libraries into the executable... but not libc)
maybe adjust paths to /hackenv/tmp. there's no convention for this yet but watch HackEso for future developments.
strip the binaries

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