configure

#!/bin/sh

LIBS="x11"
USE_XINERAMA="xinerama"
USE_XRANDR="xrandr"
USE_IMLIB2="imlib2"
USE_XFT="xft freetype2"
OS=`uname -s`
PREFIX=/usr/local
MANPREFIX="$PREFIX/man"
XDG_CONFIG_DIR="$PREFIX/etc/xdg"

while true; do
	case "$1" in
		--without-xinerama)
			USE_XINERAMA="";  shift;;
		--without-xrandr)
			USE_XRANDR="";  shift;;
		--without-imlib2)
			USE_IMLIB2="";  shift;;
		--without-xft)
			USE_XFT=""; shift;;
		--prefix)
			[ -z "$2" ] && echo "Missing argument" && exit 1
			PREFIX=$2; shift 2;;
		--xdg-config-dir)
			[ -z "$2" ] && echo "Missing argument" && exit 1
			XDG_CONFIG_DIR=$2; shift 2;;
		--man-prefix)
			[ -z "$2" ] && echo "Missing argument" && exit 1
			MANPREFIX=$2; shift 2;;
		--help|-h)
			echo "Usage: ./configure [options]
	--without-imlib2		: compile without imlib2 support
	--without-xrandr		: compile without xrandr support
	--without-xinerama		: compile without xinerama support
	--without-xft			: compile without xft support
	--prefix DIRECTORY		: install binary with specified prefix (default $PREFIX)
	--xdg-config-dir DIRECTORY	: install configuration to specified directory (default $XDG_CONFIG_DIR)
	--man-prefix DIRECTORY		: install man page to specified prefix (default $MANPREFIX)"
			exit 0;;
		*) break;;
	esac
done

LIBS="$LIBS $USE_XINERAMA $USE_XRANDR $USE_IMLIB2 $USE_XFT"

which pkg-config >/dev/null 2>&1

if [ $? -eq 0 ];
then
	CFLAGS=`pkg-config --cflags-only-I $LIBS`
	LDFLAGS=`pkg-config --libs $LIBS`
else
	# Try to use some known paths
	case $OS in
		FreeBSD)
			CFLAGS="-I/usr/local/include -I/usr/local/include/freetype2"
			LDFLAGS="-L/usr/local/lib";;
		OpenBSD)
			CFLAGS="-I/usr/X11R6/include -I/usr/X11R6/include/freetype2 -I/usr/local/include"
			LDFLAGS="-L/usr/X11R6/lib -L/usr/local/lib";;
		NetBSD)
			CFLAGS="-I/usr/X11R7/include -I/usr/X11R7/include/freetype2 -I/usr/local/include"
			LDFLAGS="-L/usr/X11R7/lib -L/usr/local/lib";;
		Linux)
			CFLAGS="-I/usr/include/freetype2"
			LDFLAGS=""
			;;
		*)
			echo "No default CFLAGS and LDFLAGS found for your OS, feel free to contribute or install pkg-config :)"
			exit 1;;
	esac

	LDFLAGS="$LDFLAGS -lX11"

	[ -n "$USE_XINERAMA" ] && LDFLAGS="$LDFLAGS -lXinerama"
	[ -n "$USE_XRANDR" ] && LDFLAGS="$LDFLAGS -lXrandr"
	[ -n "$USE_IMLIB2" ] && LDFLAGS="$LDFLAGS -lImlib2"
	[ -n "$USE_XFT" ] && LDFLAGS="$LDFLAGS -lXft -lfreetype"
fi

[ -n "$USE_XINERAMA" ] && CFLAGS="$CFLAGS -DHAVE_XINERAMA"
[ -n "$USE_XRANDR" ] && CFLAGS="$CFLAGS -DHAVE_XRANDR"
[ -n "$USE_IMLIB2" ] && CFLAGS="$CFLAGS -DHAVE_IMLIB"
[ -n "$USE_XFT" ] && CFLAGS="$CFLAGS -DHAVE_XFT"

LDFLAGS="$LDFLAGS -lpthread"

cat > Makefile << EOF
PREFIX=$PREFIX
XDG_CONFIG_DIR=$XDG_CONFIG_DIR
MANPREFIX=$MANPREFIX

CFLAGS+=$CFLAGS
LDFLAGS+=$LDFLAGS

EOF

cat Makefile.in >> Makefile

echo "Compilation resume:
OS=$OS
CFLAGS=$CFLAGS
LDFLAGS=$LDFLAGS
PREFIX=$PREFIX
MANPREFIX=$MANPREFIX
XDG_CONFIG_DIR=$XDG_CONFIG_DIR

You can run 'make' now :-)
"