#! /bin/sh

AUTOCONF_OLD=autoconf-2.13
AUTOHEADER_OLD=autoheader-2.13
AUTOCONF=autoconf-2.61
AUTOHEADER=autoheader-2.61
ACLOCAL=aclocal-1.9
AUTOMAKE=automake-1.9

#
#  List of directories in which we should run autoconf or/and automake
#

automake_list=
aclocal_list=

#
#  Build list of patched files
#

for x in `(cd ${WRKDIR}/diffs/source && find . -type f | sed -e 's/\.\///g')`; do
    case $x in 
       *.diff | *.diff.in)
           cd $top
           diff=${WRKDIR}/$x;
           fname=`echo $x | sed -e 's/\.diff//g'`
           if [ -f $gcc_dir/$fname ] ; then
              case $fname in 
                  */acinclude.m4)
                     dir=`echo $gcc_dir/$fname | sed -e 's/\/acinclude.m4//g'`
                      aclocal_list="$aclocal_list $dir"
                      ;;
                  */Makefile.am)
                      dir=`echo $gcc_dir/$fname | sed -e 's/\/Makefile.am//g'`
                      automake_list="$automake_list $dir"
                      ;;
              esac
           fi
           ;;
       *)
           ;;
       esac
done

for dir in build.gcc install.gcc; do
    for x in `(cd ${WRKDIR}/diffs/$dir && find . -type f | sed -e 's/\.\///g')`; do
        mkdir -p `dirname ${WRKDIR}/gnu/$dir/$x`
	echo "Writing $dir/$x"
	cat ${WRKDIR}/diffs/$dir/$x |\
	sed -e "s:@SRCDIR@:$dir_name:g" >${WRKDIR}/gnu/$dir/$x
    done
done

#
#  Run aclocal where needed
#
( cd $gcc_dir/libgfortran && ${ACLOCAL} -I ../config || exit 1)
( cd $gcc_dir/libstdc++-v3 && ${ACLOCAL} -I . -I .. -I ../config || exit 1)

#for dir in $aclocal_list ; do
#   if cd $dir ; then
#      echo Running aclocal in `pwd`...
#      if ! aclocal -I . -I $gcc_dir -I $gcc_dir/config ; then
#         echo "aclocal failed in directory `pwd`"
#         cd $top
#         exit 1
#      fi
#   fi
#   cd $top
#done

#
#  Run automake where needed
#

for dir in $automake_list; do
   if cd $dir ; then
      echo "Directory $dir: must run automake ...";
      if ! [ -f configure.in ] ; then
         if ! [ -f configure.ac ] ; then
            cd ..;
            if ! [ -f configure.in ] ; then
               if ! [ -f configure.ac ] ; then
                  cd ..
               fi
            fi
         fi
      fi
      echo "Running automake..."
      if ! ${AUTOMAKE}; then
         echo "automake failed in directory `pwd`"
         cd $top
         exit 1
      fi
   fi
   cd $top
done

#
#  Run autoconf where needed
#

for c in `find $gcc_dir -name 'configure.in' -o -name 'configure.ac'`; do
   d=`dirname $c`
   n=`basename $c`
   if cd $d ; then
      AC_PREREQ=`grep 'AC_PREREQ(' $n | sed 's#.*(##' | sed 's#)##'`;

      case $AC_PREREQ in 
          2.1*) echo Running autoconf-2.13 in `pwd` ...;
                if ! $AUTOCONF_OLD ; then 
                   echo "autoconf failed in directory `pwd`"
                   cd $top
                   exit 1
                fi
                ;;
          *2.5*) echo Running autoconf-2.5X in `pwd` ...;
                if ! $AUTOCONF ; then 
                   echo "autoconf failed in directory `pwd`"
                   cd $top
                   exit 1
                fi
                ;;
          *)    echo Unknown autoconf version $AC_PREREQ required
                exit 1
                ;;
      esac 
   fi
   cd $top
done

#
#  Run autoheader where needed
#

if cd $gcc_dir/gcc ; then
   echo Running autoheader in `pwd` ...;
   if [ -f configure.ac ] ; then
      if ! $AUTOHEADER ; then
         echo "autoheader failed in directory `pwd`"
         cd $top
         exit 1
      fi
   elif ! $AUTOHEADER_OLD ; then
      echo "autoheader failed in directory `pwd`"
      cd $top
      exit 1
   fi
   rm -f cstamp-h.in
   echo timestamp >cstamp-h.in
fi

if [ -f $gcc_dir/contrib/gcc_update ] ; then
   echo Running contrib/gcc_update --touch
   cd $gcc_dir;
   ./contrib/gcc_update --touch
   cd $top
fi

for x in `find . -type d -a -name 'autom4te.cache'`; do
   rm -rf $x
done