Download and build SM64PC for MYSYS2 on Windows (get-sm64pc) [LEGACY: get the new script here https://sm64pc.info/forum/viewtopic.php?f=4&t=2&i=2]

get-sm64pc.sh

#!/bin/bash
# https://www.reddit.com/r/SM64PC/comments/ggnghp/how_to_download_sm64pc/fqno5zw?utm_source=share&utm_medium=web2x

# Please use -h or --help for usage.

# Setup
TEMP=$(getopt -o o:fh --long outpath:,flush,help -- "$@")
eval set -- "$TEMP"

# Defaults
OFLAG=0
OUTPATH=""
FLUSH=0

# Help
usage() {
  echo "This script will go to home in MSYS2 (~), download the repo, and build the Windows OpenGL 64-bit EXE."
  echo "  Requirements:"
  echo "    1) Install MSYS2 (64-bit) for Windows. Run it with mingw64.exe."
  echo "    2) Install prereqs in MSYS2:"
  echo "       pacman -S mingw-w64-i686-glew mingw-w64-x86_64-glew mingw-w64-i686-SDL2 mingw-w64-x86_64-SDL2 python3"
  echo ""
  echo "Usage: $0 [-o /drive/path/to/output/] [-f] /drive/path/to/base.file " 1>&2 
  echo "  -o | --outpath    Copies the output EXE to the specified directory, overwriting EXE if present."
  echo "  -f | --flush      Nukes everything in the output folder, including save files, ReShade settings, etc..."  
  echo ""
  echo "Example to just build normally:"
  echo "  $0 /c/path/to/you/know/the/file.z64"
  echo ""
  echo "Example to build and push to other folder, deleting all previous game data."
  echo "  $0 -o /c/Users/Me/Desktop/game /c/path/to/you/know/the/file.z64"
  echo ""
  echo "For more info, please refer to the repo Wiki:"
  echo "  https://github.com/sm64pc/sm64pc/wiki"
  echo ""
}

exit_early() {
  usage
  exit 1
}
while true; do
  case "$1" in
    -o | --outpath ) OFLAG=1; OUTPATH=$2; shift 2 ;;
    -f | --flush ) FLUSH=1 ; shift ;;
	-h | --help) exit_early ;;
	-- ) if [ -n "$2" ]
      then
        ARGUMENT1=$2
        if [ -n "$3" ]
        then
          ARGUMENT2=$3
          if [ -n "$4" ]
          then
            shift 3
            echo "Unexpected options: \"$@\" . Too many arguments. Exiting."
            exit 1;
          fi
        fi
      fi
      shift 2; break;;
    * ) break ;;
  esac
done

BASEFILE=$ARGUMENT1

# Check the path has a trailing slash, because I'm a courteous motherfucker.

length=${#OUTPATH}
last_char=${OUTPATH:length-1:1}
[[ $last_char != "/" ]] && OUTPATH="$OUTPATH/"; :

# Check if everything is good for the build.

if [ -z "$BASEFILE" ]; then
  echo "No base file provided! Exiting. Nothing was done."
  exit 1
elif [ ! -f "$BASEFILE" ]; then
  echo "$BASEFILE does not exist."
  echo "Check your path and try again. Exiting. Nothing was done."
  exit 1
fi

# Do the build

cd ~
rm -rf sm64pc/
git clone https://github.com/sm64pc/sm64pc
cp $BASEFILE sm64pc/
cd sm64pc/tools/audiofile-0.3.6/
autoreconf -i
PATH=/mingw64/bin:/mingw32/bin:$PATH LIBS=-lstdc++ ./configure --disable-docs
PATH=/mingw64/bin:/mingw32/bin:$PATH make
mkdir ../lib
cp libaudiofile/.libs/libaudiofile.a ../lib/
cp libaudiofile/.libs/libaudiofile.la ../lib/
cd ..
sed -r "s#laudiofile#laudiofile -lstdc\+\+#" Makefile > Makefile-new
rm Makefile && cp Makefile-new Makefile && rm Makefile-new
PATH=/mingw64/bin:/mingw32/bin:$PATH make
cd ..
PATH=/mingw32/bin:/mingw64/bin:$PATH make

# Handle extra output options

if [ $OFLAG -eq "1" ]; then
  if [ ! -d "$OUTPATH" ]; then
    echo "$OUTPATH does not exist."
    echo "The EXE was built successfully, but no copy actions were taken."
    exit 1
  fi
  if [ $FLUSH -eq "1" ]; then
	rm $OUTPATH*
  fi
  cp -f ~/sm64pc/build/us_pc/sm64.us.f3dex2e.exe $OUTPATH
fi

exit 0

Don't use this, use the new script instead https://sm64pc.info/forum/viewtopic.php?f=4&t=2&i=2