configure

#!/bin/sh
# Rotix precompile configure utility.
# Thanks to Wilmer van der Gaast who did most of te work for his
# download accelerator Axel <http://www.lintux.cx/axel.html>

# defaults
prefix='/usr/local'
bindir='$prefix/bin'
etcdir='$prefix/etc'
mandir='$prefix/man'
locale='$prefix/share/locale'

i18n=0
debug=0
strip=1

arch=`uname -s`

while [ -n "$1" ]; do
	e="`expr "$1" : '--\(.*=.*\)'`"
	if [ -z "$e" ]; then
		cat<<EOF
Rotix configure

Usage: $0 [OPTIONS]
Option          Description                             Default

--prefix=...    Directories to put files in             $prefix
--bindir=...                                            $bindir
--etcdir=...                                            $etcdir
--mandir=...                                            $mandir
--locale=...                                            $locale

--i18n=0/1      Disable/enable internationalization     $i18n
--debug=0/1     Disable/enable debugging                $debug
--strip=0/1	Disable/enable stripping		$strip
EOF
		exit;
	fi

	eval "$e"
	shift;
done

# Expand $prefix
bindir=`eval echo $bindir`
etcdir=`eval echo $etcdir`
mandir=`eval echo $mandir`
locale=`eval echo $locale`

cat<<EOF>Makefile.settings
PREFIX=$prefix
BINDIR=$bindir
ETCDIR=$etcdir
MANDIR=$mandir
LOCALE=$locale

DESTDIR=
LFLAGS=

EOF

if [ "$i18n" = "1" ]; then
	if ! type msgfmt > /dev/null 2> /dev/null; then
		echo 'WARNING: Internationalization disabled, you don'\''t have the necessary files'
		echo '         installed.'
		echo ''
		i18n=0;
	fi;
fi

if [ "$debug" = "1" ]; then
	echo 'DEBUG=1' >> Makefile.settings
fi

if [ "$i18n" = "1" ]; then
	echo 'I18N=1' >> Makefile.settings
	echo 'PACKAGE=rotix' >> Makefile.settings
	if cat /usr/local/include/libintl.h > /dev/null 2>/dev/null; then
		echo 'CFLAGS+=-I/usr/local/include' >> Makefile.settings
		echo 'LFLAGS+=-L/usr/local/lib' >> Makefile.settings;
	fi;
fi

if type gcc > /dev/null 2> /dev/null; then
	echo "CC=gcc" >> Makefile.settings;
elif type cc > /dev/null 2> /dev/null; then
	echo "CC=cc" >> Makefile.settings;
else
	echo 'Cannot find a C compiler, aborting.'
	exit 1;
fi

if [ "$strip" = "1" ]; then
	if type strip > /dev/null 2> /dev/null; then
		echo "STRIP=strip" >> Makefile.settings;
	elif type /usr/ccs/bin/strip 2> /dev/null; then
		echo "STRIP=/usr/ccs/bin/strip" >> Makefile.settings;
	elif type gstrip > /dev/null 2> /dev/null; then
		echo "STRIP=gstrip" >> Makefile.settings;
	else
		echo 'No strip utility found, cannot remove unnecessary parts from executable.'
		echo ''
		echo 'STRIP=0' >> Makefile.settings;
	fi
else
	echo 'STRIP=0' >> Makefile.settings;
fi

case "$arch" in
FreeBSD )
	echo 'NO_GETOPT_LONG=1' >> Makefile.settings
	if [ "$i18n" = "1" ]; then
		echo 'LFLAGS+=-lintl' >> Makefile.settings;
	fi
	echo 'Please keep in mind that you need GNU make to make Rotix!'
	echo ''
;;
OpenBSD )
	echo 'NO_GETOPT_LONG=1' >> Makefile.settings
	if [ "$i18n" = "1" ]; then
		echo 'LFLAGS+=-lintl' >> Makefile.settings;
	fi
	echo 'Please keep in mind that you need GNU make to make Rotix!'
	echo ''
;;
Darwin )
	echo 'NO_GETOPT_LONG=1' >> Makefile.settings
	if [ "$i18n" = "1" ]; then
		echo 'LFLAGS+=-lintl' >> Makefile.settings;
	fi
	echo 'Please keep in mind that you need GNU make to make Rotix!'
	echo ''
;;
Linux | atheos | GNU )
;;
SunOS )
	echo 'NO_GETOPT_LONG=1' >> Makefile.settings
	if [ "$i18n" = "1" ]; then
		echo 'Solaris+i18n did not work on my system, but YMMV.'
		echo ''
		echo 'LFLAGS+=-lintl' >> Makefile.settings;
	fi
	echo 'Please keep in mind that you need GNU make to make Rotix!'
	echo ''
;;
CYGWIN_* )
	if [ "$i18n" = "1" ]; then
		echo 'LFLAGS+=-lintl' >> Makefile.settings;
	fi
;;
* )
	echo 'NO_GETOPT_LONG=1' >> Makefile.settings
	if [ "$i18n" = "1" ]; then
		echo 'LFLAGS+=-lintl' >> Makefile.settings;
	fi
	echo 'WARNING: This architecture is not tested!'
;;
esac
                
echo 'Configuration done:'
echo '  Compiling for: ' $arch
if [ "$i18n" = "1" ]; then
	echo '  Internationalization enabled.';
else
	echo '  Internationalization disabled.';
fi
if [ "$debug" = "1" ]; then
	echo '  Debugging enabled.';
else
	echo '  Debugging disabled.';
fi
if [ "$strip" = "1" ]; then
	echo '  Stripping enabled.';
else
	echo '  Stripping disabled.';
fi