configure

#!/bin/sh 

if [ ! -d "./tmp" ]; then
	mkdir tmp
fi

sed "s/@FUNC@/`basename $1 .f`/" < tmp/pot.tm.in > tmp/pot.tm

#Figure out which kernel to build for
OS=`uname | cut -c 1`

# C = CYGWIN
# L = Linux
# D = Darwin (Macintosh)

case $OS in
	"C")	osc="/Windows" ;;
	"L")	osc="/Linux" ;;
	"D")	osc="";;
esac


if [ ! -e "mathdir" ]; then #find out if the install dir is known. if not, find using env variable
	if [ $OS = "C" ]; then
		echo "You are running cygwin, which makes finding the default path of Mathematica difficult."
		echo "Please enter the install directory of Mathematica (this is stored as '\$InstallationDirectory' in Mathematica)"
		echo "in Linux form. You can access Windows drives in Cygwin through /cygdrive/(drive letter)"
		read -p ": " mathdir
	elif [ $OS = "D" ]; then
		mathdir="/Applications/Mathematica.app"
	else
		mathdir=`math -run 'Write["stdout", $InstallationDirectory]; Exit[]' -noprompt`
		mathdir=`echo $mathdir | sed "s/^\"\(.*\)\"$/\1/"`
	fi
	echo $mathdir/SystemFiles/Links/MathLink/DeveloperKit$osc/CompilerAdditions > mathdir
fi

mathdir=`cat mathdir`

if [ $OS = "C" ]; then
	"$mathdir/cygwin/bin/mprep.exe" tmp/pot.tm -o src/pot.tm.c
else
	$mathdir/mprep tmp/pot.tm -o src/pot.tm.c
fi

#Escape out all of the backslashes and periods
mathdir=`echo $mathdir | sed 's/\//\\\\\//g'`
mathdir=`echo $mathdir | sed 's/\./\\\./g'`
mathdir=`echo $mathdir | sed 's/ /\\ /g'`

case $OS in
	"C")	cflags="-mwindows -mwin32 -L\"$mathdir\/cygwin\/lib\" -I\"$mathdir\/cygwin\/include\" -lML32i3 -static" ;;
	"L")	cflags="-L$mathdir -I$mathdir -lML64i3 -lpthread -lrt" ;;
	"D")	cflags="-L$mathdir -I$mathdir -lMLi3 -lstdc++ -framework Foundation";;
esac



sed -e "s/@ffile@/`basename $1`/" -e "s/@cflags@/$cflags/"  < tmp/Makefile.in > Makefile

cp $1 ./src

if [ ! -d "bin" ]; then
	mkdir bin
fi

if [ $OS = "C" ]; then
	mv Makefile Makefile~
	sed -e "s/gcc/i686\-pc\-mingw32\-gcc/g" -e "s/gfortran/i686\-pc\-mingw32\-gfortran/g" <Makefile~ >Makefile
	rm Makefile~ 
	cp /bin/cygwin1.dll /bin/cyggcc_s-1.dll /bin/cyggfortran-3.dll ./
fi