#!/bin/sh

# Copyright (c) 1999,2000,2002-2007
# Utrecht University (The Netherlands),
# ETH Zurich (Switzerland), Freie Universitaet Berlin (Germany),
# INRIA Sophia-Antipolis (France), Martin-Luther-University Halle-Wittenberg
# (Germany), Max-Planck-Institute Saarbruecken (Germany), RISC Linz (Austria),
# and Tel-Aviv University (Israel).  All rights reserved.
#
# This file is part of CGAL (www.cgal.org); you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public License as
# published by the Free Software Foundation; version 2.1 of the License.
# See the file LICENSE.LGPL distributed with CGAL.
#
# Licensees holding a valid commercial license may use this file in
# accordance with the commercial license agreement provided with the software.
#
# This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
# WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
#
# $URL: svn+ssh://fcacciola@scm.gforge.inria.fr/svn/cgal/trunk/Scripts/scripts/cgal_create_makefile $
# $Id: cgal_create_makefile 36976 2007-03-09 22:53:24Z reichel $
#
# Author(s)     : various

# This script creates a CGAL cmake script with entries for all .C and .cpp
# files in the current directory.
#
# Usage: cgal_create_cmake_script [-options]
#
# -q   create a CGAL cmake script with Qt support


#VERSION=2.0



create_cmake_script()
{
  # print makefile header
  echo '# Created by the script cgal_create_cmake_script'
  echo '# This is the CMake script for compiling a CGAL application.'
  echo
  
  echo "project( ${PROJECT} ) "
  echo
  echo 'CMAKE_MINIMUM_REQUIRED(VERSION 2.4.5)'
  echo
  echo 'set(CMAKE_ALLOW_LOOSE_LOOP_CONSTRUCTS true)'
  echo

  echo 'find_package(CGAL REQUIRED)'
  echo
  
  if [ -n "$QT" ] ; then
  
    echo 'find_package(Qt3 REQUIRED)'
    echo
    echo
    echo 'include( ${CGAL_USE_FILE} )'
    echo 'include( Qt3Macros )'
    echo
    
    for file in `ls *.C *.cpp 2>/dev/null | sort` ; do
      # Create an executable for each cpp that  contains a function "main()"
      BASE=`basename $file .C`
      BASE=`basename $BASE .cpp`
      egrep '\bmain[ \t]*\(' $file >/dev/null 2>&1
      if [ $? -eq 0 ]; then
        exe_name=$BASE
      fi
      all="$all $file"
    done
    
    echo "QT3_AUTOMOC( ${all} )"
    echo
    
    echo '# Make sure the compiler can find generated .moc files'
    echo 'include_directories(BEFORE ${CMAKE_CURRENT_BINARY_DIR})'
    
    echo 'include_directories( ${QT_INCLUDE_DIR} )'
    
    if [ -d include ] ; then
      echo 'include_directories (BEFORE include)'
    fi
    echo
    
    echo "add_executable  (${exe_name} ${all})"
    echo
      
    echo '# Link the executable to CGAL and third-party libraries'
    echo 'if ( AUTO_LINK_ENABLED )'
    echo "   target_link_libraries(${exe_name}"' ${CGAL_3RD_PARTY_LIBRARIES} ${QT_LIBRARIES} )'
    echo 'else()'
    echo "  target_link_libraries(${exe_name}" '${CGAL_LIBRARIES} ${CGAL_QT_LIBRARIES} ${CGAL_3RD_PARTY_LIBRARIES} ${QT_LIBRARIES})'
    echo 'endif()'
    
  else
  
    echo
    echo 'include( ${CGAL_USE_FILE} )'
    echo 'include( CreateSingleSourceCGALProgram )'
    echo
  
    if [ -d include ] ; then
      echo 'include_directories (BEFORE include)'
    echo
    fi
    
    for file in `ls *.C *.cpp 2>/dev/null | sort` ; do
      # Create an executable for each cpp that  contains a function "main()"
      BASE=`basename $file .C`
      BASE=`basename $BASE .cpp`
      egrep '\bmain[ \t]*\(' $file >/dev/null 2>&1
      if [ $? -eq 0 ]; then
        echo "create_single_source_cgal_program( $file )"
      fi
    done
  fi
  
  echo

}


usage()
{
     echo "Usage: cgal_create_cmake_script [-options]"
     echo
     echo "-q   create a CGAL CMake script with Qt support"
}


case $# in
  0) ;;
  1) ;;
  *) usage
     exit 1
esac


for i do
  case $i in
    -q) QT='y';;
    *) usage
        exit 1;;
  esac
done

OUTPUTFILE=CMakeLists.txt
PROJECT=`basename $PWD`

if [ -f ${OUTPUTFILE} ] ; then
  echo "moving $OUTPUTFILE to ${OUTPUTFILE}.bak ..."
  mv -f $OUTPUTFILE ${OUTPUTFILE}.bak
fi
create_cmake_script > $OUTPUTFILE
echo "created $OUTPUTFILE in $PWD ..."