I started installing haskell a lil while ago with macports but I got as far as

bash$ port rdeps ghc

The following ports are dependencies of ghc @8.8.3_0:

gnupg2 pkgconfig libiconv gperf gettext ncurses zlib
xz bzip2 libassuan libgpg-error pth libksba libgcrypt
readline gnutls autoconf automake libtool xattr
unzip gtk-doc glib2 libxml2 icu libffi pcre libedit
libxslt perl5.28 db48 gdbm docbook-xml xmlcatmgr
docbook-xml-4.1.2 docbook-xml-4.2 docbook-xml-4.3
docbook-xml-4.4 docbook-xml-4.5 docbook-xml-5.0 docbook-xsl-nons
itstool gawk py27-libxml2 python27 expat openssl
sqlite3 python_select python2_select
python38 python3_select py38-anytree
py38-setuptools py38-six py38-pytest py38-setuptools_scm
py38-py py38-packaging py38-attrs py38-hypothesis
py38-sortedcontainers py38-zopeinterface
py38-parsing py38-more-itertools
py38-pluggy py38-wcwidth pytest_select py38-nose
nosetests_select py38-lxml py38-pygments pygments_select
py38-mock clang-9.0 cmake libcxx curl libidn2
libunistring perl5 texinfo help2man p5.28-locale-gettext
libpsl curl-ca-bundle libarchive lzo2 lz4
zstd libuv libomp llvm-9.0 xar llvm_select clang_select ld64
ld64-latest libmacho-headers libtapi gmp libtasn1
p11-kit nettle libusb-compat libusb npth pinentry-mac openldap
tcp_wrappers cyrus-sasl2 kerberos5 libcomerr coreutils
alex stack
happy HsColour python37 py37-sphinx py37-docutils py37-roman py37-setuptools
py37-alabaster py37-babel py37-tz py37-pytest py37-setuptools_scm py37-py
py37-packaging py37-attrs py37-hypothesis py37-sortedcontainers py37-six
py37-zopeinterface py37-parsing py37-more-itertools py37-pluggy
py37-importlib-metadata py37-zipp py37-toml py37-wcwidth
py37-freezegun py37-dateutil py37-pytest-cov py37-coverage
py37-mock py37-imagesize py37-jinja2 py37-markupsafe py37-pygments py37-requests
py37-chardet py37-idna py37-urllib3 py37-certifi py37-snowballstemmer
sphinx_select py37-sphinxcontrib-applehelp
py37-sphinxcontrib-devhelp py37-sphinxcontrib-htmlhelp
py37-sphinxcontrib-jsmath py37-sphinxcontrib-serializinghtml
py37-sphinxcontrib-qthelp texlive texlive-basic texlive-common
texlive-bin fontconfig freetype libpng ossp-uuid libzzip
cairo libpixman xrender xorg-libX11 xorg-xtrans
xorg-xorgproto xorg-util-macros xorg-libXdmcp xorg-libXau
xorg-libxcb xorg-xcb-proto xorg-libpthread-stubs
xorg-libXext xorg-xcb-util
graphite2 fonttools py37-unicodedata2 py37-brotli
harfbuzz harfbuzz-icu libpaper mpfr potrace
xorg-libXp xpm xorg-libXt xorg-libsm xorg-libice
xorg-libXaw groff ghostscript jbig2dec
jpeg libidn tiff lcms2 psutils netpbm
jasper jbigkit libnetpbm xorg-libXmu
xorg-libXi xorg-libXfixes texlive-bin-extra latexmk
texlive-latex detex latexdiff p5.28-algorithm-diff
pdfjam texlive-latex-recommended
pgf dvipng gd2 webp giflib t1lib dvisvgm
asciidoc fop brotli woff2 texlive-context texlive-metapost texlive-xetex
texlive-plain-generic texlive-fonts-recommended
texlive-math-science texlive-fontutils lcdf-typetools ps2eps t1utils
texlive-lang-czechslovak texlive-lang-english
texlive-lang-european texlive-lang-french
texlive-lang-german texlive-lang-italian
texlive-lang-polish texlive-lang-portuguese
texlive-lang-spanish texlive-luatex
texlive-fonts-extra texlive-latex-extra
texlive-pictures

And decided to give it a miss.