#!/bin/sh
# File: 	mm
# Date:		Mon Apr 21 12:49:07 MDT 2003
# Whom:		Erik Huizing
#
# Synopsis:	
# Automatically generate a Makefile, from the arguments on the command line
# This is a rewrite of an older version written in csh. This new version
# takes advantage of the fact that gcc will do dependency generating 
# automatically
#
# $eriktools$

if [ "$#" -lt "2" ]; then
  me=`basename $0`
  echo "Usage: $me target [ source files ]"
  echo "Creates makefiles automatically"
  echo 'eg: mm a.out *.cpp'
  exit 1
fi

DATE=`date`
NAME=`finger $USER | grep Name: | cut -d: -f3 | cut -c 2-`
TAG=`basename $PWD`

#
# defaults:
#
CXX=gcc
LD=gcc
LIBS=""
LIBPATH=""
INCL=""
CXXFLAGS="-O3 -Wall -g \${INCL}"

TARGET=$1
shift

if [ -f libs ]; then
   LIBS=`cat libs`
fi

if [ -f libpath ]; then
  LIBPATH=`cat libpath`
fi

if [ -f includes ]; then
  INCL=`cat includes`
fi

#
# if Makefile already exists, save a copy of it
#
if [ -e Makefile ]; then
   echo Saving backup as Makefile.old
   /bin/mv Makefile Makefile.old
fi

#
# start with a brand spankin' new file
#
/bin/cp /dev/null Makefile

#
# extract the list of source files/objects
#
while [ "$#" -gt "0" ]; do
   f=`echo $1 | sed 's/\.[cC][cC+p]*//'`
   SRCS="${SRCS} $1"
   OBJS="${OBJS} $f.o"
   shift
done

#
# Build the Makefile
#
cat <<EOF>>Makefile
# File:		Makefile
#
# Date created:	${DATE}
# Whom:		${NAME}
#
# \$${TAG}\$

CXX=gcc
LD=gcc
LIBS=${LIBS}
LIBPATH=${LIBS}
INCL=${INCL}
CFLAGS=-O3 -Wall -g \${INCL}

TARGET = ${TARGET}
SRCS=${SRCS}
OBJS=${OBJS}

\${TARGET}: \${OBJS}
	\${LD} \${OBJS} -o \${TARGET} \${LIBS} \${LIBPATH}

clean:
	/bin/rm -f \${TARGET} \${OBJS} *core

depend:
	${CXX} -E ${INCL} -MM \${SRCS} > .depend

EOF
#