configure

#!/bin/sh
#
#
# Configures to build the Icom PCR1000 Applications and supporting
# library.
#
# Copyright 1999, 2000 Polywog, Javaman of Ghetto.Org. All rights reserved.
#

USEQT=y

if [ -z ${QTDIR} ];
then
	echo ''
	echo ' The enviornment variable $QTDIR is not set. Will not '
	echo ' build the QT PCR1000 X-Windows GUI.'
	echo ''
	USEQT=n
fi

# remove the build options file
[ -f .buildopts ] && rm .buildopts

######################################################
# get system info

MACHINE=`(uname -m) 2>/dev/null` || MACHINE=unkown
RELEASE=`(uname -r) 2>/dev/null` || RELEASE=unknown
SYSTEM=`(uname -s) 2>/dev/null` || SYSTEM=unknown
VERSION=`(uname -v) 2>/dev/null` || VERSION=unknown

#if [ "${SYSTEM}" = "BSD/OS" -o "${SYSTEM}" = "OpenBSD" ]; then
if [ "${SYSTEM}" = "BSD/OS" ]; then
	SYSTEM=BSD
fi

######################################################
# set the variable's defaults

DEBUG="n"
SHARED="y"
PREFIX="/usr/local"
P_CC=gcc
P_CXX=g++
P_DEBUG="-O2"
P_PIPE=""
P_SYS="-D$SYSTEM"
P_QTDIR=${QTDIR}
P_QTLIB=${QTDIR}/lib
P_QTINC=${QTDIR}/include
P_GUISTYLE="-DCDE_STYLE"
P_MOC=${QTDIR}/bin/moc
P_LINKER=${P_CXX}
SRCDIR=`pwd`
I_FLAGS=
l_FLAGS=
L_FLAGS=
GUISTYLE=

# parse the arguments seting y or n.

while [ -n "$1" ]; do
 case $1 in
  -guistyle)
	shift; GUISTYLE=$1
	;;
  -platform)
	shift; PLATFORM=$1
	;;
  -cc)
	shift; P_CC=$1
	;;
  -CC)
	shift; P_CXX=$1
	;;
  -prefix)
	shift; PREFIX=$1
	;;
  -release)
	DEBUG=n
	echo " Building with release code "
	;;
  -debug)
	DEBUG=y
	echo " Building with verbose debugging information -you prolly dont want this"
	;;
  -shared)
	SHARED=y
	echo " Building shared "
	;;
  -static)
	SHARED=n
	echo " Static libraries not yet supported "
	HELP=y
	ERROR=y
	;;
  -moc)
	shift; P_MOC=$1
	USEQT=y
	;;
  -qtdir)
	USEQT=y
	shift; P_QTDIR=$1
	P_QTINC="${P_QTDIR}/include"
	P_QTLIB="${P_QTDIR}/lib"
	;;
  -qtinc)
	USEQT=y
	shift; P_QTINC=$1
	;;
  -qtlibs)
	USEQT=y
	shift; P_QTLIB=$1
	;;
  -h | -help | --help)
	HELP=y
	;;
  *)
	echo $1: unknown argument
	HELP=y
	ERROR=y  
	;;
esac
  shift
done

# usage message if something got f0x0red

if [ "$HELP" = "y" ]; then
   [ "$ERROR" = "y" ] && echo
  cat <<EOF
Usage: $0 [-debug | -release] \\
	  [-shared | -static] \\
	  [-platform <Linux | SunOS | BSD>] \\
	  [ -prefix </usr/local> ] \\
	  [ -guistyle <cde | motif | win95 | sgi | none> ]\\
	  [ -linker <ld | g++ | ...> ] \\
	  [[ -qtlibs </path/to/qt/lib> \\ 
	   -qtinc </path/to/qt/include> \\
           -moc </path/to/moc>          ] |\\
	   [ -qtdir </path/to/qt>         ]]
	
EOF

  [ "$ERROR" = "y" ] && exit 1
  exit 0;
fi

# debug?
if [ "${DEBUG}" = "y" ]; then
	P_DEBUG="-g -Wall -W -DDEBUG_VER_"
fi

if [ -z "${GUISTYLE}" ]; then
	P_GUISTYLE="-DSGI_STYLE"
	GUISTYLE="SGI_STYLE"
else 
	case ${GUISTYLE} in
		cde) 
			P_GUISTYLE="-DCDE_STYLE"
		;;
		motif)
			P_GUISTYLE="-DMOTIF_STYLE"
		;;
		sgi)
			P_GUISTYLE="-DSGI_STYLE"
		;;
		win95)
			P_GUISTYLE="-DWINDOWS_STYLE"
		;;
		none)
			P_GUISTYLE="-DQT_STYLE"
		;;
	esac
fi


######################################################
# give feedback
echo
echo " Configuring for $SYSTEM"
echo " Building with C Compiler = $P_CC "
echo " Building with C++ Compiler, $P_CXX"
echo " Using 'moc' in $P_MOC "
if [ "$USEQT" = "y" ]; then
	echo " Using QTDIR in $P_QTDIR "
	echo " Using QT Include files from $P_QTINC "
	echo " Using QT Libraries from $P_QTLIB "
	echo " Using GUI Style of $GUISTYLE "
fi

################################################
# create the build options file.

cat > .buildopts <<EOF
SRCDIR	=$SRCDIR
PREFIX	=$PREFIX
P_DEBUG =$P_DEBUG
P_CC	=$P_CC
P_CXX	=$P_CXX
P_SYS	=$P_SYS
P_MOC	=$P_MOC
P_QTLIB	=$P_QTLIB
P_QTINC	=$P_QTINC
P_LINKER=$P_LINKER
P_LINK	=$P_LINKER
P_QTOK	=$USEQT
P_GUISTYLE=$P_GUISTYLE

EOF

#################################################
# select the configuration file
#

CONFIG="configs/${SYSTEM}"


#####################################################
# create the makefiles for the individual directories

for i in `find . -name Makefile.in -print | sort`; do
	D=`dirname $i`/Makefile
	Mf=${D}.in
	cat > ${D} <<EOF
######
# automagically built by $0
######

EOF
	cat .buildopts $CONFIG $Mf >> $D
	echo ' created ' $D
done