one click install:
pacman -S automake1.16 db gdbm libatomic_ops libgc libgdbm libguile libltdl mingw-w64-x86_64-expat mingw-w64-x86_64-gettext mingw-w64-x86_64-gmp mingw-w64- x86_64-isl mingw-w64-x86_64-libiconv mingw-w64-x86_64-mpc mingw-w64-x86_64-mpfr mingw-w64-x86_64-windows-default-manifest mingw-w64-x86_64-zlib perl tar autoconf autoconf2.13 autogen automake-wrapper automake1.10 automake1.11 automake1.12 automake1.13 automake1.14 automake1.15 automake1.6 automake1.7 automake1.8 automake1.9 diffutils gawk libtool make mingw-w64-x86_64-binutils mingw-w64-x86_64-crt-git mingw-w64-x86_64-gcc mingw-w64-x86_64-gcc-libs mingw-w64-x86_64-headers-git mingw-w64-x86_64-libmangle-git mingw-w64-x86_64-libwinpthread-git mingw-w64-x86_64-make mingw-w64-x86_64-pkg-config mingw-w64-x86_64-tools-git mingw-w64-x86_64-winpthreads-git patch pkg-config texinfo --disable-download-timeout
automake
db
gdbm
libatomic_ops
libgc
libgdbm
libguile
libltdl
mingw-w64-x86_64-expat
mingw-w64-x86_64-gettext
mingw-w64-x86_64-gmp
mingw-w64-x86_64-isl
mingw-w64-x86_64-libiconv
mingw-w64-x86_64-mpc
mingw-w64-x86_64-mpfr
mingw-w64-x86_64-windows-default-manifest
mingw-w64-x86_64-zlib
perl
tar
autoconf
autoconf2.13
autogen
automake-wrapper
diffutils
gawk
libtool
make
mingw-w64-x86_64-binutils
mingw-w64-x86_64-crt-git
mingw-w64-x86_64-gcc
mingw-w64-x86_64-gcc-libs
mingw-w64-x86_64-headers-git
mingw-w64-x86_64-libmangle-git
mingw-w64-x86_64-libwinpthread-git
mingw-w64-x86_64-make
mingw-w64-x86_64-pkg-config
mingw-w64-x86_64-tools-git
mingw-w64-x86_64-winpthreads-git
patch
pkg-config
texinfo