#! /bin/sh
#  /*@@
#    @file      bgl
#    @date      Wed Oct 6 15:35:45 2005
#    @author    Tom Goodale
#    @desc
#               Known-architectures file for IBM Bluegene/L systems
#    @enddesc
#    @version   $Header: /mnt/data2/cvs2svn/cvs-repositories/Cactus/lib/make/known-architectures/bgl,v 1.5 2008-01-19 13:52:01 schnetter Exp $
#  @@*/

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

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

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

  if test -z "$F77"; then
    F77=blrts_xlf77
    echo Setting F77 compiler to $F77
  fi

  if test -z "$F90"; then
    F90=blrts_xlf90
    echo Setting F90 compiler to $F90
  fi

  if test -z "$FPP" -a -z "$FPPFLAGS"; then
    FPP='/lib/cpp'
    FPPFLAGS='-traditional'
    echo "Setting FPP to $FPP"
    echo "Setting FPPFLAGS to $FPPFLAGS"
  fi

else

  cross_compiling=yes
  # Fortran compilers
  : ${F90FLAGS="-qmaxmem=64000"}
  : ${F77FLAGS="-qmaxmem=64000"}
  : ${F90_OPTIMISE_FLAGS='-O2 -qarch=440'}
  : ${F77_OPTIMISE_FLAGS='-O2 -qarch=440'}
  : ${F90_DEBUG_FLAGS='-g'}
  : ${F77_DEBUG_FLAGS='-g'}

  : ${F90_SUFFIX='f'}
  CCTK_WriteLine make.arch.defn 'F90FLAGS += $(BGL_$(subst .,,$(suffix $<))_FLAGS)'
  CCTK_WriteLine make.arch.defn 'F77FLAGS += $(BGL_$(subst .,,$(suffix $<))_FLAGS)'
  CCTK_WriteLine make.arch.defn 'BGL_F90_FLAGS ='
  CCTK_WriteLine make.arch.defn 'BGL_f90_FLAGS ='
  CCTK_WriteLine make.arch.defn 'BGL_F77_FLAGS = -qfixed'
  CCTK_WriteLine make.arch.defn 'BGL_f77_FLAGS = -qfixed'
  CCTK_WriteLine make.arch.defn 'BGL_F_FLAGS = -qfixed'
  CCTK_WriteLine make.arch.defn 'BGL_f_FLAGS = -qfixed'

  F77_VERSION=`$F77 2>&1 | head -n1`
  F90_VERSION=`$F90 2>&1 | head -n1`

  # C/C++ compilers
  case "$CC" in
    blrts_xlc)
     : ${C_DEPEND='$(CC) -M $(CPPFLAGS) $(CFLAGS)'}
     : ${C_DEPEND_OUT=' 2> /dev/null; mv $(basename $(basename $@)).d $@'}
     : ${CFLAGS="-qmaxmem=64000 -qlanglvl=stdc99"}
     : ${C_OPTIMISE_FLAGS='-O2 -qarch=440'}
     CC_VERSION=`$CC 2>&1 | head -n1`
     ;;
    *)
     ;;
  esac

  case "$CXX" in
    blrts_xlC)
     : ${CXX_DEPEND='$(CXX) -M $(CPPFLAGS) $(CXXFLAGS)'}
     : ${CXX_DEPEND_OUT=' 2> /dev/null; mv $(basename $(basename $@)).d $@'}
     : ${CXXFLAGS="-qmaxmem=64000 -qlanglvl=stdc99"}
     : ${CXX_OPTIMISE_FLAGS='-O2 -qarch=440'}
     CXX_VERSION=`$CXX 2>&1 | head -n1`
     ;;
    *)
     ;;
  esac

  # Linker
  if test -z "$LIBS" -a "$LD" != 'xlf90' ; then
    BGL_f90_path="`which  $F90 | sed -e 's:/bin/.*::'`"
    LIBDIRS="$BGL_f90_path/blrts_lib"
    LIBS="xlf90 xlfmath m"
  fi

  if test "x$cross_compiling" = 'xyes' ; then
    ENDIAN=big
    SIZEOF_LONG_LONG=8
    SIZEOF_LONG_INT=4
    SIZEOF_INT=4
    SIZEOF_SHORT_INT=2

    SIZEOF_LONG_DOUBLE=8
    SIZEOF_DOUBLE=8
    SIZEOF_FLOAT=4

    SIZEOF_POINTER=4

    NULL_DEVICE='/dev/null'
  fi

  # MPI stuff
  if test -n "$MPI" ; then
    BGL_MPI_BASE="`which mpicc | sed -e 's:/bin/.*::'`"
    NATIVE_MPI_LIBS='mpich.rts msglayer.rts devices.rts rts.rts devices.rts rts.rts'
    NATIVE_MPI_LIB_DIRS=$BGL_MPI_BASE/lib
    NATIVE_MPI_INC_DIRS=$BGL_MPI_BASE/include
  fi

fi