# Check availability of Salome's KERNEL binary distribution
#
# Author : Jerome Roy (CEA, 2003)
#

AC_DEFUN([CHECK_KERNEL],[

AC_CHECKING(for Kernel)

Kernel_ok=no

AC_ARG_WITH(kernel,
	    [  --with-kernel=DIR               root directory path of KERNEL installation ],
	    KERNEL_DIR="$withval",KERNEL_DIR="")

if test "x$KERNEL_DIR" == "x" ; then

# no --with-kernel-dir option used

   if test "x$KERNEL_ROOT_DIR" != "x" ; then

    # KERNEL_ROOT_DIR environment variable defined
      KERNEL_DIR=$KERNEL_ROOT_DIR

   else

    # search Kernel binaries in PATH variable
      AC_PATH_PROG(TEMP, runSalome)
      if test "x$TEMP" != "x" ; then
         KERNEL_BIN_DIR=`dirname $TEMP`
         KERNEL_DIR=`dirname $KERNEL_BIN_DIR`
      fi
      
   fi
# 
fi

if test -f ${KERNEL_DIR}/bin/salome/runSalome ; then
   Kernel_ok=yes
   AC_MSG_RESULT(Using Kernel module distribution in ${KERNEL_DIR})

   if test "x$KERNEL_ROOT_DIR" == "x" ; then
      KERNEL_ROOT_DIR=${KERNEL_DIR}
   fi
   if test "x$KERNEL_SITE_DIR" == "x" ; then
      KERNEL_SITE_DIR=${KERNEL_ROOT_DIR}
   fi
   AC_SUBST(KERNEL_ROOT_DIR)
   AC_SUBST(KERNEL_SITE_DIR)

else
   AC_MSG_WARN("Cannot find compiled Kernel module distribution")
fi
  
AC_MSG_RESULT(for Kernel: $Kernel_ok)
 
])dnl