/ani/mrses

#!/bin/sh

# --------------------------------------------------------------

# (C) Copyright 2001,2007,

# International Business Machines Corporation,

#

# All Rights Reserved.

# --------------------------------------------------------------

#------------------------------------------------------------------------

#  cellsdk_select_compiler

#

#  This script selects the compiler in make.env

#

#------------------------------------------------------------------------

#

# Miscellaneous variables

#

if [ -f ${CELL_TOP}/buildutils/make.env ] ; then

	CELL_BUILD_DIR=$CELL_TOP

else

	CELL_BUILD_DIR=/opt/cell/sdk

fi

CELL_MAKE_ENV=${CELL_BUILD_DIR}/buildutils/make.env

CELL_MAKE_FOOTER=${CELL_BUILD_DIR}/buildutils/make.footer

#--------------------------------------------------------------------------

# Switches to the gcc compiler

#

# return: none

function switch_to_gcc()

{

  # abort if gcc is not installed

  which `PROGRAM_ppu=foo PPU_COMPILER=gcc make --no-print-directory CCACHE="" -f ${CELL_MAKE_FOOTER} listenv_c 2>/dev/null` >/dev/null 2>&1

  if [ $? -ne 0 ] ; then

        echo "gcc is not installed - can't change default to gcc."

  elif [ "`grep "^ .*_COMPILER.*:= gcc" ${CELL_MAKE_ENV}`" == "" ] ; then

	sed -i -e 's/^    PPU32_COMPILER	:= xlc/#   PPU32_COMPILER	:= xlc/' \

	       -e 's/^#   PPU32_COMPILER	:= gcc/    PPU32_COMPILER	:= gcc/' \

	       -e 's/^    PPU64_COMPILER	:= xlc/#   PPU64_COMPILER	:= xlc/' \

	       -e 's/^#   PPU64_COMPILER	:= gcc/    PPU64_COMPILER	:= gcc/' \

	       -e 's/^    SPU_COMPILER	:= xlc/#   SPU_COMPILER	:= xlc/' \

	       -e 's/^#   SPU_COMPILER	:= gcc/    SPU_COMPILER	:= gcc/' \

	    ${CELL_MAKE_ENV} && echo "Default compiler changed to GNU gcc."

  else

      echo "Default compiler is already set to GNU gcc."

  fi

}

#--------------------------------------------------------------------------

# Switches to the gfortran

#

function switch_to_gfortran()

{

  # abort if gfortran is not installed

  which `PROGRAM_ppu=foo FTN_PPU32_COMPILER=gfortran FTN_PPU64_COMPILER=gfortran make --no-print-directory -f ${CELL_MAKE_FOOTER} listenv_f 2>/dev/null` >/dev/null 2>&1

  if [ $? -ne 0 ] ; then

        echo "gfortran is not installed - can't change default to gfortran."

  elif [ "`grep "^ .*_COMPILER.*:= gfortran" ${CELL_MAKE_ENV}`" == "" ] ; then

	sed -i -e 's/^    FTN_PPU32_COMPILER	:= xlf/#   FTN_PPU32_COMPILER	:= xlf/' \

	       -e 's/^#   FTN_PPU32_COMPILER	:= gfortran/    FTN_PPU32_COMPILER	:= gfortran/' \

	       -e 's/^    FTN_PPU64_COMPILER	:= xlf/#   FTN_PPU64_COMPILER	:= xlf/' \

	       -e 's/^#   FTN_PPU64_COMPILER	:= gfortran/    FTN_PPU64_COMPILER	:= gfortran/' \

	       -e 's/^    FTN_SPU_COMPILER	:= xlf/#   FTN_SPU_COMPILER	:= xlf/' \

	       -e 's/^#   FTN_SPU_COMPILER	:= gfortran/    FTN_SPU_COMPILER	:= gfortran/' \

	    ${CELL_MAKE_ENV} && echo "Default compiler changed to GNU gfortran."

  else

      echo "Default compiler is already set to GNU gfortran."

  fi

}

#--------------------------------------------------------------------------

# Switches to the xlc compiler

#

function switch_to_xlc()

{

  # abort if xlc is not installed

  which `PROGRAM_ppu=foo PPU_COMPILER=xlc make --no-print-directory -f ${CELL_MAKE_FOOTER} listenv_c 2>/dev/null` >/dev/null 2>&1

  if [ $? -ne 0 ] ; then

        echo "xlc is not installed - can't change default to xlc."

  elif [ "`grep "^ .*_COMPILER.*:= xlc" ${CELL_MAKE_ENV}`" == "" ] ; then

	sed -i -e 's/^#   PPU32_COMPILER	:= xlc/    PPU32_COMPILER	:= xlc/' \

	       -e 's/^    PPU32_COMPILER	:= gcc/#   PPU32_COMPILER	:= gcc/' \

	       -e 's/^#   PPU64_COMPILER	:= xlc/    PPU64_COMPILER	:= xlc/' \

	       -e 's/^    PPU64_COMPILER	:= gcc/#   PPU64_COMPILER	:= gcc/' \

	       -e 's/^#   SPU_COMPILER	:= xlc/    SPU_COMPILER	:= xlc/' \

	       -e 's/^    SPU_COMPILER	:= gcc/#   SPU_COMPILER	:= gcc/' \

	    ${CELL_MAKE_ENV} && echo "Default compiler changed to IBM xlc."

  else

      echo "Default compiler is already set to IBM xlc."

  fi

}

#--------------------------------------------------------------------------

# Switches to the xlf compiler

#

function switch_to_xlf()

{

  # warn if xlf is not installed

  which `PROGRAM_ppu=foo FTN_PPU32_COMPILER=xlf FTN_PPU64_COMPILER=xlf make --no-print-directory -f ${CELL_MAKE_FOOTER} listenv_f 2>/dev/null` >/dev/null 2>&1

  if [ $? -ne 0 ] ; then

        echo "xlf is not installed - can't change default to xlf."

  elif [ "`grep "^ .*_COMPILER.*:= xlf" ${CELL_MAKE_ENV}`" == "" ] ; then

	sed -i -e 's/^#   FTN_PPU32_COMPILER	:= xlf/    FTN_PPU32_COMPILER	:= xlf/' \

	       -e 's/^    FTN_PPU32_COMPILER	:= gfortran/#   FTN_PPU32_COMPILER	:= gfortran/' \

	       -e 's/^#   FTN_PPU64_COMPILER	:= xlf/    FTN_PPU64_COMPILER	:= xlf/' \

	       -e 's/^    FTN_PPU64_COMPILER	:= gfortran/#   FTN_PPU64_COMPILER	:= gfortran/' \

	       -e 's/^#   FTN_SPU_COMPILER	:= xlf/    FTN_SPU_COMPILER	:= xlf/' \

	       -e 's/^    FTN_SPU_COMPILER	:= gfortran/#   FTN_SPU_COMPILER	:= gfortran/' \

	    ${CELL_MAKE_ENV} && echo "Default compiler changed to IBM xlf."

  else

      echo "Default compiler is already set to IBM xlf."

  fi

}

#--------------------------------------------------------------------------

# Displays the usage statement

#

function usage()

{

  echo "Usage: $SELF <gcc | gfortran | gnu | xlc | xlf | xl> "

  echo ""

  echo "  gcc:      set GNU gcc as default c/c++ compiler in make.footer (default)"

  echo "  gfortran: set GNU gfortran as default fortran compiler in make.footer (default)"

  echo "  gnu:      set both GNU gcc and gfortran as default compilers in make.footer (default)"

  echo "  xlc:      set IBM xlc as default c/c++ compiler in make.footer"

  echo "  xlf:      set IBM xlf as default fortran compiler in make.footer"

  echo "  xl:       set IBM xlc and xlf as default compilers in make.footer"

  echo ""

}

#--------------------------------------------------------------------------

# Continue with main line execution of script

#  Set our name

SELF=`basename $0`

#  Ensure we have at least one argument

if [ $# -lt 1 ] ; then

  usage

  exit 1

fi

#  Pop the first argument as the task

TASK=$1

shift

case $TASK in

  gcc|gfortran|gnu|xlc|xlf|xl)

    if [ ! -w ${CELL_MAKE_ENV} ] ; then

	echo ${CELL_MAKE_ENV} "not writable"

	exit 1

    fi

    ;;

  -?|-h|--help|--usage)

    usage

    exit 0

    ;;

  *)

    echo "$SELF:  unknown option '$TASK'"

    usage

    exit 1

    ;;

esac

case $TASK in

 	gcc)

		switch_to_gcc

		;;

 	gfortran)

		switch_to_gfortran

		;;

 	gnu)

		switch_to_gcc

		switch_to_gfortran

		;;

 	xlc)

		switch_to_xlc

		;;

 	xlf)

		switch_to_xlf

		;;

 	xl)

		switch_to_xlc

		switch_to_xlf

		;;

	*)

		usage

		exit 1

		;;

esac

# end of script