#! /bin/bash

if [ $# -lt 2 ] ; then
	echo "Usage : $0 <Executable name> <File containing your main()> <Additionnal option Libs> <Additionnal option Includes";
	echo
	exit
fi

MAIN=$2
EXEC=$1


if [ $# -eq 3 ] ; then
        ADDLIB=$3
        ADDINCLUDE=""
        else
                if [ $# -eq 4 ]; then
                        ADDLIB=$3
                        ADDINCLUDE=$4
                else 
                        ADDLIB=""
                        ADDINCLUDE=""
                fi
fi

OBJECTIVEC="`gnustep-config --objc-flags` -lobjc"
CLANGADDLIBS="-I`locate objc.h  | sed 's/include.*/include/'` -I`locate x86/include/asm/param.h | sed 's/include.*/include/'`"
SRC=`ls *.m *.h | tr '\n' ' '`
ADDINCLUDE="$ADDINCLUDE"
ADDLIB="$ADDLIB"


echo "Creating src folder"

mkdir src

if [ ! -d "./src" ]; then
	echo "Can't create src folder"
	exit
fi

echo "Moving all sources .m in src"

mv *.m *.h ./src/



cat >> configure.ac<<EOF

AC_INIT(src/$MAIN)
AM_INIT_AUTOMAKE($EXEC, 0.1)
AC_LANG(Objective C)
AC_CONFIG_HEADERS(config.h)
AC_PROG_OBJC([clang])
AC_SUBST([OBJC]) 
AC_SUBST([OBJCFLAGS])
AC_SUBST([CFLAGS])
AC_HEADER_STDC
AC_PROG_INSTALL

AC_LANG_PUSH([Objective C])
LIBS="\${LIBS} $OBJECTIVEC $CLANGADDLIBS"
CPPFLAGS="\${CPPFLAGS} -lgnustep-base $OBJECTIVEC"
AC_OUTPUT(Makefile src/Makefile)

EOF


echo "Creating Makefile.am"

cat >> Makefile.am<<EOF

SUBDIRS = src

EOF

EXSOURCES=$EXEC"_SOURCES"
EXLDADD=$EXEC"_LDADD"
EXCFLAGS=$EXEC"_CFLAGS"


cat >>src/Makefile.am<<EOF


bin_PROGRAMS = $EXEC
$EXSOURCES = $SRC
$EXLDADD = $ADDLIB  -lgnustep-base
$EXCFLAGS = -Wall -g3 -O3 $ADDINCLUDE $OBJECTIVEC

EOF

echo "Launching autotools..."

autoheader

aclocal

autoconf

automake --add-missing --copy --foreign --include-deps


if [ $? -eq 1 ] ;then
	echo "Problem occured during process.."
	echo "Check your Makefile.am."
	exit
fi

CC=clang && ./configure


make