#!/bin/sh

###############################################################################
#
# How it works
#

usage() {
  echo "Usage:"
  echo "  $myname makefiles       - Create all Makefiles"
  echo "  $myname makefile <dir>  - Create Makefile in directory <dir>"
  echo "  $myname all             - Compile everything"
  echo "  $myname <dir>           - Compile everything in directory <dir>"
  echo "  $myname install         - Install everything"
  echo "  $myname install <dir>   - Install everything in directory <dir>"
}

###############################################################################
#
# Init
#
myname=`basename $0`

while :; do
  case "$1" in
   -h|-\?|--help)	usage
			exit 1
			;;

   -*)			echo "$myname: Illegal option -- $1"
			echo "Try \`$myname --help' for more information."
			exit 1
			;;

   *)			break
			 ;;
  esac
  shift
done

if [ ! -f McTools/McApp.c ]; then
  echo "$myname: You must be in the top directory of the McTools software to build it."
  exit 1
fi

if [ ! -f config.h ]; then
 echo "$myname: No config.h! Please copy config-dist.h to config.h and edit it."
 exit 1
fi

###############################################################################
#
# Check if directory exists and contains a makefile.
#
check_makefile() {
  if [ ! -d $1 ]; then
    echo "$myname: $1 not present or not a directory.";
    return 1
  fi

  if [ "$2" ]; then chk_makefile=$2; else chk_makefile=Makefile; fi
  if [ ! -f $1/$chk_makefile ]; then
    [ "$2" ] && echo "$myname: No $chk_makefile in $1."
    return 1;
  fi

  return 0;
}

###############################################################################
#
# Creating a makefile
#
make_makefile() {
  check_makefile $1 Imakefile || return 1
  echo "------------------------------------------------------------------------------"
  echo "$myname: Making Makefile in $1"
  (cd $1 && xmkmf && make depend)
}

###############################################################################
#
# Install one app
#
do_install() {
  check_makefile $1 || make_makefile $1 || exit 1

  echo "------------------------------------------------------------------------------"
  echo "$myname: Installing in $1"
  APP=`echo $1 | awk '{ print tolower($0); }'`
  rm -f $1/$APP
  (cd $1 && make $make_args install DESTDIR=../debian/tmp) || return 1;
#  Don't bother if make install.man fails... Who needs documentation anyway? ;)
  (cd $1 && make $make_args install.man DESTDIR=../debian/tmp) || true;
}

###############################################################################
#
# Compile one app
#
compile() {
  check_makefile $1 || make_makefile $1 || exit 1

  echo "------------------------------------------------------------------------------"
  echo "$myname: Building in $1"
  APP=`echo $1 | awk '{ print tolower($0); }'`
  rm -f $1/$APP
  (cd $1 && make $make_args);
}

###############################################################################
#
# Clean up...
#
do_clean() {
  if [ -d $1 ] && [ -f $1/Imakefile ]; then
    echo "------------------------------------------------------------------------------"
    echo "Cleaning up in $1"
    ( cd $1
      if [ ! -f Makefile ]; then
        xmkmf
      fi
      make clean
      (set -x; rm -f Makefile .depend)
    )
  fi
}

###############################################################################
#
# Cool...
#
wemadeit() {
  echo "------------------------------------------------------------------------------"
  exit 0;
}

###############################################################################
#
# Build makefile(s)
#
if [ "$1" = "makefiles" ]; then

  for file in [[:upper:]]*; do
    if [ -d $file ] && [ $file != "CVS" ] && [ -f $file/Imakefile ]; then
      make_makefile $file || exit 1
    fi
  done

  wemadeit
fi

if [ "$1" = "makefile" ]; then
  shift
  while [ "$1" ]; do
    make_makefile $1 || exit 1
    shift
  done
  wemadeit
fi


###############################################################################
#
# Build everything
#
if [ "$1" = "all" ]; then

  compile McTools || exit 1

  for file in [[:upper:]]*; do
    if [ -d $file ] && [ $file != "CVS" ] && [ ! $file = McTools ]; then
      compile $file || exit 1
    fi
  done
  wemadeit
fi

###############################################################################
#
# install
#
if [ "$1" = "install" ]; then
  if [ -z $2 ]; then
    do_install McTools || exit 1
    for file in [[:upper:]]*; do
      if [ -d $file ] && [ $file != "CVS" ] && [ ! $file = McTools ]; then
        do_install $file || exit 1
      fi
    done
    wemadeit;
  fi

  shift
  while [ "$1" ]; do
    check_makefile $1 || make_makefile $1 || exit 1
    if [ -z "$mctools_installed" ]; then
      do_install McTools || exit 1
      mctools_installed=1
    fi
    do_install $1 || exit 1
    shift
  done
  wemadeit
fi

###############################################################################
#
# clean up
#
if [ "$1" = "clean" ]; then
  if [ -z $2 ]; then
    for file in [[:upper:]]*; do
      if [ $file != "CVS" ]; then
         do_clean $file
      fi
    done
    wemadeit;
  fi

  shift
  while [ "$1" ]; do
    check_makefile $1 Imakefile || exit 1
    do_clean $1
    shift
  done
  wemadeit;
fi

###############################################################################
#
# build a program
#
if [ "$1" ]; then
  mctools_compiled=""
  while [ "$1" ]; do
    check_makefile $1 Imakefile || exit 1
    if [ -z "$mctools_compiled" ]; then
      compile McTools || exit 1
      mctools_compiled=1
    fi
    compile $1 || exit 1
    shift
  done
  wemadeit
fi

###############################################################################
#
# Unknown argument
#

usage
exit 1