mac-setup

#!/bin/bash

# Author: Paolo Fabio Zaino
# Please report any issue you encounter with this script to the author.

# Check CLI parameters:
if [ "$1" == "force" ];
then 
    force_reinstall=1
else
    force_reinstall=0
fi

# Configure build requirements:
# (if you have no homebrew installed then set the following to 1, otherwise keep it to 2!)
use_config=2

if [ $use_config -eq 1 ];
then
    am_ver="1.15"
    lt_ver="2.4.6"
    ac_ver="2.69"
    use_brew_automake="no"
else
    am_ver="1.16"
    lt_ver="2.4.7"
    ac_ver="2.71"
    use_brew_automake="yes"
fi

# support functions:

function check_arch() {
    arch="$(uname -m)"

    case "${arch}" in
        arm64)  brew_prefix="/opt/homebrew/Cellar"
                ;;

            *)  brew_prefix="/usr/local/Cellar"
                ;;
    esac
}

function check_link() {
    f="$1"
    if [ -L ${f} ]; then
        unlink ./${f}
    fi
    if [ "${use_brew_automake}" == "no" ];
    then
        ln -s /usr/local/share/automake-${am_ver}/${f} ./${f}
    else
        ln -s ${brew_prefix}/automake/${am_ver}.*/share/automake-${am_ver}/${f} ./${f}
        #ln -s ${brew_prefix}/share/automake-${am_ver}/${f} ./${f}
    fi
}

############
# setup:
############

# Check system Architecture:
check_arch

# If configured so, install brew based automake, autoconf and libtool:
if [ "${use_brew_automake}" == "no" ];
then
    brew uninstall automake autoconf libtool xquartz
else
    if [ $force_reinstall -eq 1 ];
    then
        brew reinstall automake autoconf libtool xquartz
    else
        brew install automake autoconf libtool xquartz
    fi
fi

# Install build dependecies:
if [ $force_reinstall -eq 1 ];
then
    brew reinstall wxwidgets sdl2
else
    brew install wxwidgets sdl2
fi

# We need SDL2 in the default path:
echo 
echo Checking if SDL2 is in the clang default path, if not I will need admin privileges to create the symlink there
echo This operation may require sudo privileges, so it may request for a password.
echo
if [ ! -L /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/SDL2 ];
then
  sudo ln -s ${brew_prefix}/sdl2/*/include/SDL2 /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/SDL2
else
  sudo unlink /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/SDL2
  sudo ln -s ${brew_prefix}/sdl2/*/include/SDL2 /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/SDL2
fi

# If configured so, pull down and compile automake, autoconf and libtool:
if [ "$use_brew_automake" == "no" ];
then
  pushd ../

    # add automake
    am_size=0
    [ -f ./automake-${am_ver}.tar.gz ] && am_size=$(ls -l ./automake-${am_ver}.tar.gz | awk '{print  $5}')

    if [ ! -f ./automake-${am_ver}.tar.gz ] || [ $am_size -lt 250 ];
    then
      [ -f ./automake-${am_ver}.tar.gz ] && rm ./automake-${am_ver}.tar.gz
      curl -O -L http://ftpmirror.gnu.org/automake/automake-${am_ver}.tar.gz

      tar -xzf automake-${am_ver}.tar.gz

      pushd automake-${am_ver}

        ./configure

        make -j4

        sudo make install

      popd

    fi

    # Add libtool
    lt_size=0
    [ -f ./libtool-${lt_ver}.tar.gz ] && lt_size=$(ls -l ./libtool-${lt_ver}.tar.gz | awk '{print  $5}')

    if [ ! -f ./libtool-${lt_ver}.tar.gz ] || [ $lt_size -lt 360 ];
    then
      [ -f ./libtool-${lt_ver}.tar.gz ] && rm ./libtool-${lt_ver}.tar.gz

      curl -O -L http://ftpmirror.gnu.org/libtool/libtool-${lt_ver}.tar.gz

      tar -xzf libtool-${lt_ver}.tar.gz

      pushd libtool-${lt_ver}

        ./configure

        make

        sudo make install

      popd

    fi

    # Add autoconf
    ac_size=0
    [ -f ./autoconf-${ac_ver}.tar.gz ] && ac_size=$(ls -l ./autoconf-${ac_ver}.tar.gz | awk '{print  $5}')

    if [ ! -f ./autoconf-${ac_ver}.tar.gz ] || [ $ac_size -lt 360 ];
    then
      [ -f ./autoconf-${ac_ver}.tar.gz ] && rm ./autoconf-${ac_ver}.tar.gz

      curl -O -L http://ftpmirror.gnu.org/autoconf/autoconf-${ac_ver}.tar.gz

      tar -xzf autoconf-${ac_ver}.tar.gz

      pushd autoconf-${ac_ver}

          ./configure

          make

          sudo make install

      popd

    fi

  popd

fi

# Check all the automake symlinks:
check_link "INSTALL"
check_link "compile"
check_link "config.guess"
check_link "config.sub"
check_link "depcomp"
check_link "install-sh"
check_link "missing"

# We need X11 in the default path so:
echo Checking if X11 is in the clang default path, if not I will need admin privileges to create the symlink there

if [ ! -L /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/X11 ];
then
  sudo ln -s /opt/X11/include/X11 /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/X11
  rval=$?
  if [ ! $rval -eq 0 ];
  then
    ln -s /opt/X11/include/X11 /usr/local/include/X11
  fi
  sudo ln -s /opt/X11/lib/ /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/clang/*/lib/x11
else
  sudo unlink /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/X11
  sudo unlink /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/clang/*/lib/x11
  sudo ln -s /opt/X11/include/X11 /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include/X11
  rval=$?
  if [ ! $rval -eq 0 ];
  then
    ln -s /opt/X11/include/X11 /usr/local/include/X11
  fi
  sudo ln -s /opt/X11/lib/ /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/clang/*/lib/x11  
fi

echo Dependecies installed.

echo

# Reconfigure Project:
aclocal -I ${brew_prefix}/wxwidgets/*/share/wx/*/aclocal/ -I ${brew_prefix}/sdl2/*/share/aclocal/ -I /opt/X11/share/aclocal/
autoconf
automake --add-missing --force-missing
autoreconf --force --install -I ${brew_prefix}/wxwidgets/*/share/wx/*/aclocal/ -I ${brew_prefix}/sdl2/*/share/aclocal/ -I /opt/X11/share/aclocal/
autoupdate
aclocal -I ${brew_prefix}/wxwidgets/*/share/wx/*/aclocal/ -I ${brew_prefix}/sdl2/*/share/aclocal/ -I /opt/X11/share/aclocal/
autoconf
automake --add-missing --force-missing

# Run configure to configure build:
full_path=$(echo ${brew_prefix}/sdl2/*)
./configure --with-sdl-prefix=${full_path}

# Clean up possible spurious side effect of configure:
if [ -d ./arculator ];
then
    rm -rf ./arculator
fi

# We're done!
echo Done! 

exit $?