#!/bin/bash

#
# Tool for updating list of .in file for the SALOME project 
# and regenerating configure script
#
# Author : Marc Tajchman - CEA
# Date : 10/10/2002
# $Header$
#

ORIG_DIR=`pwd`
CONF_DIR=`echo $0 | sed -e "s,[^/]*$,,;s,/$,,;s,^$,.,"`

########################################################################
# Test if the KERNEL_ROOT_DIR is set correctly

if test ! -d "${KERNEL_ROOT_DIR}"; then
    echo "failed : KERNEL_ROOT_DIR variable is not correct !"
    exit
fi

# Test if the KERNEL_SRC is set correctly

#if test ! -d "${KERNEL_SRC}"; then
#    echo "failed : KERNEL_SRC variable is not correct !"
#    exit
#fi
########################################################################
# find_in - utility function
#
# usage :  
#    find_in directory filename 
#
# Finds files following the *.in pattern, recursively in the
# directory (first argument).
# Results are appended into the file (second argument)
#
# Difference from the standard unix find is that files are tested
# before directories
# 

find_in()
{
  local i
  local f=$2

# if the first argument is not a directory, returns

  if [ ! -d "$1" ] ; then 
     return 
  fi

# dont look in the CVS directories

  case $1 in
    */CVS) return ;;
    *) ;;
  esac

# for each regular file contained in the directory
# test if it's a .in file

  for i in "$1"/*
  do
     if [ -f "$i" ] ; then
       case $i in 
         *.in) echo "	"$i" \\" >> $f;;
         *) ;;
        esac
     fi
  done

# for each subdirectory of the first argument, proceeds recursively

  for i in "$1"/*
  do
     if [ -d "$i" ] ; then
        find_in "$i" "$f"
     fi
  done
}


#######################################################################
# Generate list of .in files (Makefile.in, config.h.in, etc)
# appending it in file configure.in

cd ${CONF_DIR}
ABS_CONF_DIR=`pwd`

#
# Common part of the configure.in file
#
chmod u+w configure.in.base
if ! \cp -f configure.in.base configure.in_tmp1 
then
	echo
	echo "error : can't create files in" ${CONF_DIR}
	echo "aborting ..."
        chmod u-w configure.in.base 
	exit
fi
chmod u-w configure.in.base 

if [ -e "${CONF_DIR}/salome_adm" ] ; then
    \rm -f ${CONF_DIR}/salome_adm
fi

# make a link allowing AC_OUTPUT to find the salome_adm/.../*.in  files
echo "" >> configure.in_tmp1
echo 'ln -fs ${KERNEL_ROOT_DIR}/salome_adm ${ROOT_SRCDIR}/salome_adm' >> configure.in_tmp1

echo  "" >> configure.in_tmp1
echo "AC_OUTPUT([ \\" >> configure.in_tmp1

#
# List of .in files in the adm/unix directory
# These files MUST be on top of AC_OUTPUT list so we
# put them "manually"
#

echo "	./salome_adm/unix/SALOMEconfig.h \\" >> configure.in_tmp1
echo "	./salome_adm/unix/F77config.h \\" >> configure.in_tmp1
echo "	./salome_adm/unix/sstream \\" >> configure.in_tmp1
echo "	./salome_adm/unix/depend \\" >> configure.in_tmp1
echo "	./adm_local/unix/make_omniorb \\" >> configure.in_tmp1
echo "	./salome_adm/unix/envScript \\" >> configure.in_tmp1
echo "	./adm_local/unix/make_commence \\" >> configure.in_tmp1
echo "	./salome_adm/unix/make_conclude \\" >> configure.in_tmp1
echo "	./salome_adm/unix/make_module \\" >> configure.in_tmp1

\rm -f configure.in_tmp2 configure.in_tmp3
touch configure.in_tmp2
find_in . configure.in_tmp2
sed '/^.salome_adm/d' configure.in_tmp2 >  configure.in_tmp3
sed '/configure.in/d' configure.in_tmp3 >  configure.in_tmp2
sed 's/.in / /' configure.in_tmp2 >> configure.in_tmp1

echo  "])" >> configure.in_tmp1

# delete the link created for AC_OUTPUT
echo "" >> configure.in_tmp1
#echo 'rm -f ${ROOT_SRCDIR}/salome_adm' >> configure.in_tmp1
\mv configure.in_tmp1 configure.in_new
\rm  -f configure.in_tmp2 configure.in_tmp3


########################################################################
# Create new (or replace old) configure.in file
# Print a message if the file is write protected
#

echo
if test ! -f configure.in
then
	echo -n "Creating new file 'configure.in' ... "
	if \mv configure.in_new configure.in >& /dev/null
	then
		echo "done"
	else
	 	echo "error, check your file permissions"
	fi
else
	echo -n "Updating 'configure.in' file ... "
	if ! \cp configure.in configure.in_old >& /dev/null
	then
		echo
		echo
		echo "Can't backup previous configure.in"
		echo -n "Continue (you will not be able to revert) - (Y/N) ? "
		read R
                case "x$R" in
		    xn*) exit;;
    		    xN*) exit;;
		esac
		echo
		echo -n "                                 "
	fi
	if \cp configure.in_new configure.in >& /dev/null
	then
		echo "done"
	else
		echo
		echo "error, can't update previous configure.in"
	fi
fi

########################################################################
# Use autoconf to rebuild the configure script
#

if test -f configure
then
	echo -n "Updating 'configure' script ...  "
else
	echo -n "Creating 'configure' script ...  "
fi

aclocal --acdir=adm_local/unix/config_files -I ${KERNEL_ROOT_DIR}/salome_adm/unix/config_files
if autoconf
then
	echo "done"
else
	echo "failed (check file permissions and/or user quotas ...)"
fi

cd ${ORIG_DIR}

echo