getdeps_mac

#!/bin/sh

DLDIR=$PWD 

# Check if we have cmake...
if [ ! -f cmake-3.12.1-Darwin-x86_64.tar.gz ]; then
  # Get and install cmake
  echo
  echo Downloading CMake...
  echo
  curl -O https://cmake.org/files/v3.12/cmake-3.12.1-Darwin-x86_64.tar.gz
fi
echo 
echo Unpacking Cmake ...
echo
tar xzf cmake-3.12.1-Darwin-x86_64.tar.gz
if [ ! -d /Applications/CMake.app/ ]; then
  mv cmake-3.12.1-Darwin-x86_64/CMake.app /Applications
fi

cd /usr/local
echo
echo Please give your password to mkdir /usr/local/bin if needed:
echo
sudo mkdir -p bin
cd bin

echo 
echo Please give your password to put cmake links in /usr/local/bin if needed:
echo
sudo ln -sf /Applications/CMake.app/Contents/bin/* .
cd $DLDIR

if [ ! -f gfortran-8.1-bin.tar.gz ]; then
  echo
  echo Downloading gfortran...
  echo
  curl -O https://datapacket.dl.sourceforge.net/project/hpc/hpc/g95/gfortran-8.1-bin.tar.gz
fi

cd /
echo
echo Please give your password for the installation of gfortran if needed:
echo
sudo tar zxf $DLDIR/gfortran-8.1-bin.tar.gz

echo
echo Spawning installation of xcode if needed...
echo
# Ensure that compilers, git etc. are in place
xcode-select --install

# Check if development headers are in place, especially math.h...
if [ ! -f /usr/include/math.h ]; then
    echo "math.h header NOT found in /usr/include!"
    echo "Attemping to locate installable package with headers "
    HEADERS=`find /Library/Developer/CommandLineTools/Packages -name *pkg`
    NUMHEADERS=`find /Library/Developer/CommandLineTools/Packages -name *pkg | wc -l | bc`
    echo $NUMHEADERS
    echo $HEADERS - i.e. $NUMHEADERS
    if [[ "$NUMHEADERS" == "1" ]];
    then
	echo "Excellent, one header package found, attempting install!"
	osascript -e "tell app \"System Events\" to display dialog \"Development headers were not installed in /usr/include and I found a matching package \n\n $HEADERS \n\n--> Suggesting to spawn installation. \n\n Please rerun this tool after installation completes !!\""
	rc1=$?;
	if [[ $rc1 == 0 ]]; 
	then
	    echo
	    echo
	    echo "******************************************************"
	    echo "* Requesting installation of development headers!    *"
	    echo "*                                                    *"
	    echo "* Please rerun dependency script after that install  *"
	    echo "******************************************************"
	    echo
	    sleep 3
	    open $HEADERS
	    exit 0
	else
	    echo
	    echo
	    echo "!! Not requesting header package install !!"
	    echo
	    echo
	    sleep 3
            exit 1
	fi
    elif [[ "$NUMHEADERS" == "0" ]];
    then
	echo "Argh! No package found, inform user!"
	osascript -e "tell app \"System Events\" to display dialog \"Development headers were not installed in /usr/include and I did NOT FIND a matching package to install! Please ask McCode Developers what to do with your given version of macOS and Xcode tools!!!\""
	exit 1
    else
	echo "Argh! More than one package found, inform user!"
	osascript -e "tell app \"System Events\" to display dialog \"Development headers were not installed in /usr/include and I found several possible packages install! Please try to pick one yourself from the folder that will now open...!!!\""
	if [[ $rc1 == 0 ]]; 
	then
	    echo
	    echo
	    echo "******************************************************"
	    echo "* Opening folder with possible header packages!      *"
	    echo "*                                                    *"
	    echo "* Please rerun dependency script installing one...   *"
	    echo "******************************************************"
	    echo
	    sleep 3
	    open /Library/Developer/CommandLineTools/Packages
	    exit 0
	else
	    echo
	    echo
	    echo "!! Not opening package directory !!"
	    echo
	    echo
	    sleep 3
            exit 1
	fi
    fi
else
    echo Excellent, math.h header already found in /usr/include!
fi