#! /bin/sh
#  /*@@
#    @file      aix
#    @date      Wed Jul 14 12:38:45 1999
#    @author    Tom Goodale
#    @desc 
#   
#    @enddesc
#    @version $Header$
#  @@*/

if test "$CCTK_CONFIG_STAGE" = "preferred-compilers" ; then

  if test -z "$CC"; then
    echo Setting C compiler to xlc
    CC="xlc"
  fi

  if test -z "$CXX"; then
    echo Setting C++ compiler to xlC
    CXX="xlC"
  fi

else

  : ${F90FLAGS=""}
  : ${F77FLAGS="-qfixed"}
  : ${F90_OPTIMISE_FLAGS="-O2"}
  : ${F77_OPTIMISE_FLAGS="-O2"}
  : ${F90_DEBUG_FLAGS="-g"}
  : ${F77_DEBUG_FLAGS="-g"}

  : ${F90_SUFFIX="f"}
  CCTK_WriteLine make.arch.defn 'F90FLAGS += $(AIX_$(subst .,,$(suffix $<))_FLAGS)' 
  CCTK_WriteLine make.arch.defn 'AIX_F90_FLAGS = '
  CCTK_WriteLine make.arch.defn 'AIX_f90_FLAGS = '
  CCTK_WriteLine make.arch.defn 'AIX_F_FLAGS = -qfixed'
  CCTK_WriteLine make.arch.defn 'AIX_f_FLAGS = -qfixed'

  case "$CC" in
    gcc)
     : ${C_DEPEND_OUT=' > $@'}
     ;;
    cc|xlc|xlc_r)
     : ${C_DEPEND='$(CPP) -M $(CPPFLAGS)'}
     : ${C_DEPEND_OUT=' > /dev/null ; mv $(basename $(basename $@)).u $@'}
     : ${CFLAGS="-qspill=10000"}
     ;;
    *)
     ;;
  esac

  case "$CXX" in
    "g++"|"c++")
     : ${CXX_DEPEND_OUT=' > $@'}
     ;;
    xlC|xlC_r)
     : ${CXX_DEPEND='$(CPP) -M $(CPPFLAGS)'}
     : ${CXX_DEPEND_OUT=' > /dev/null ; mv $(basename $(basename $@)).u $@'}
     : ${CXXFLAGS="-qspill=10000"}
     ;;
    *)
     ;;
  esac

  : ${F_DEPEND_OUT=' > /dev/null ; mv $(basename $(basename $@)).u $@'}
  : ${F77_DEPEND_OUT=' > /dev/null ; mv $(basename $(basename $@)).u $@'}

  : ${LIBS="xlf90"}


  # MPI stuff
 
  if test -n "$MPI" ; then
    NATIVE_MPI_LIBS="mpi"
    NATIVE_MPI_LIB_DIRS="/usr/lpp/ppe.poe/lib"
    NATIVE_MPI_INC_DIRS="/usr/lpp/ppe.poe/include"
    if test "$MPI" = "NATIVE" ; then
      case "$CC:$CXX" in 
        "xlc:xlC"|"cc:xlC"|"xlc_r:xlC_r")
          LD=mpCC
          ;;
         *)
        echo "NATIVE MPI requires xlc and xlC"
        echo "Please reconfigure with these compilers"
        exit 1
         ;;
      esac
    fi
  fi          

fi