flags.m4

xgrafix 是PTSG模拟程序中的图形截面库 改版本是最新版本

        CXXDEPFLAGS="-M"
        CXXDEP="$CXX -M >depend.u"
        AR="ar cru"
        AR_FLAGS=" "
        ARFLAGS=" "
        if test "$OPTIMIZED" = "no"; then OPTIFLAGS="-Gn"
        else OPTIFLAGS="-O3"
        fi
      	CRAY_INSTANTIATE="-h instantiate=all"
        CRAY=1
        ;;

      *)
        AC_MSG_ERROR(Compiler $CXX not supported for host $host.)
        ;;

    esac
    ;;

  pgCC)
    CPPFLAGS=""
    CXX_PIC_FLAG=" "
    case "$host" in
      *86-pc-linux-*)
        CXXFLAGS=""
        CXXDEP="$CXX -M >depend.u"
        ;;
      *)
        AC_MSG_ERROR(Compiler $REALCXX not supported for host $host.)
        ;;
    esac
    CXXDEPFLAGS="-M"
    AR="KCC -o"
    AR_FLAGS=" "
    ARFLAGS=" "
    if test "$OPTIMIZED" = "no"; then
      OPTIFLAGS="-g -DDEBUG"
    else 
      OPTIFLAGS="-O -fast -Minfo -Mcache_align -Munroll -Mdalign -Minline -Mvect=prefetch"
    fi
    COMPDIR=pgCC
    ;;

  xlC | xlC_r | xlc++ | xlc++_r)
    SHAREDLIBFLAGS="-G"
    case "$REALCXX" in
      xlC)
        COMPDIR=xlC
        ;;
      xlC_r)
        COMPDIR=xlC_r
        ;;
      xlc++)
        COMPDIR=xlc++
        ;;
      xlc++_r)
        COMPDIR=xlc++_r
        ;;
    esac

# Universal flags
    CPPFLAGS=""
    CXX_PIC_FLAG=" "
    CXXDEPFLAGS="-M"
    CXXDEP="$CXX -M -E >/dev/null"
    AR="ar cr"
    AR_FLAGS=" "
    ARFLAGS=" "
    if test "$PROFILING" = "yes"; then CXX_PROFILE_FLAG="-g -pg"; fi
    echo OPTIMIZED = $OPTIMIZED
    processor=`uname -p`

    case "$host" in

      rs6000-ibm-aix* | powerpc-ibm-aix4* | powerpc-ibm-aix5* )
	CXXFLAGS="-qrtti -bmaxdata:0x80000000 -bmaxstack:0x80000000"
	LDFLAGS="$LDFLAGS -bmaxdata:0x80000000 -bmaxstack:0x80000000"
	if test "$LIBHPM" = "yes"; then CXXFLAGS="$CXXFLAGS -DLIBHPM -I/usr/common/usg/hpmtoolkit/2.4.2/include"; LDFLAGS="$LDFLAGS -L/usr/common/usg/hpmtoolkit/2.4.2/lib -lhpm -lpmapi"; fi

# Set optimization flags
        case $OPTIMIZED in

          yes)
            OPTIFLAGS="-O2 -qarch=pwr3 -qtune=pwr3"
            ;;

          full)
            OPTIFLAGS="-O3 -qarch=pwr3 -qtune=pwr3"
            ;;

          ultra)
            OPTIFLAGS="-O5"
            ;;

          *)
            OPTIFLAGS="-g -DDEBUG -qflttrap"
            ;;

        esac
        ;;

      *)
        AC_MSG_ERROR(Compiler $CXX not supported for host $host.)
        ;;

      powerpc-*-darwin*)
	CXXFLAGS=""
	LDFLAGS="$LDFLAGS"

# Set optimization flags
        case $OPTIMIZED in

          yes)
            OPTIFLAGS="-O2"
            ;;

          full)
            OPTIFLAGS="-O4 -qaltivec"
            ;;

          ultra)
            OPTIFLAGS="-O5"
            ;;

          *)
            OPTIFLAGS="-g -DDEBUG -qflttrap"
            ;;

        esac
        ;;

      *)
        AC_MSG_ERROR(Compiler $CXX not supported for host $host.)
        ;;

    esac
    ;;

  ecc)

    CPPFLAGS=""
    CXXFLAGS="-mp"
    CXX_PIC_FLAG=" "
    CXXDEPFLAGS="-M"
    CXXDEP="$CXX -M >depend.u"
    AR="ar cr "
    AR_FLAGS=" "
    ARFLAGS=" "
    COMPDIR=ecc
    if test "$OPTIMIZED" = "no"; then OPTIFLAGS="-O0 -g -DDEBUG"
    elif test "$OPTIMIZED" = "yes";  then OPTIFLAGS="-O2"
    elif test "$OPTIMIZED" = "full";  then OPTIFLAGS="-O3"; fi

    ;;

  icc )
    CPPFLAGS=""
    CXXFLAGS="-Wall"
    CXXDEPFLAGS="-M"
    CXXDEP="$CXX -M >depend.u"
    CXXPROFILE_FLAG=-pg
    if test "$PROFILING" = "yes"; then CXX_PROFILE_FLAG="-pg"; fi
    AR="/usr/local/intel/bin/xiar cr"
    AR_FLAGS=" "
    ARFLAGS=" "
    COMPDIR=icc

# Set optimization flags
    echo OPTIMIZED = $OPTIMIZED
    processor=`uname -p`
    case $OPTIMIZED in

      yes)
        OPTIFLAGS="-O2 -pipe"
        ;;

      full | ultra)
        AC_MSG_WARN(May generate code for processor $processor only.)
        # OPTIFLAGS="-O3 -ip -static -march=pentium4"
        # OPTIFLAGS="-O3 -ip -static -prefetch"
        # OPTIFLAGS="-O3 -ip -static -prefetch -unroll"
        # OPTIFLAGS="-O3 -ip -static"
	case $processor in
	  athlon)
            OPTIFLAGS="-fast -prefetch"
 	    ;;
	  *)
            OPTIFLAGS="-O3 -ip -static"
 	    ;;
	esac
        ;;

      *)
        OPTIFLAGS="-g -DDEBUG"
        ;;

    esac
    ;;

  nocxx)
    AC_MSG_WARN(No C++ compiler.)
    ;;

  *)
    AC_MSG_ERROR(Compiler $REALCXX not supported.)
    ;;

esac

if test $REALCXX != nocxx; then
  AC_SUBST(CRAY_INSTANTIATE)
  AC_SUBST(CXXDEPFLAGS)
  AC_SUBST(CXXDEP)
  AC_SUBST(CXX_PIC_FLAG)
  AC_SUBST(CXX_REPOSITORY)
  CXX_OPTIFLAGS=$OPTIFLAGS
  echo OPTIFLAGS = $OPTIFLAGS
  AC_SUBST(CXX_OPTIFLAGS)
  dnl echo CXX_OPTIFLAGS = $CXX_OPTIFLAGS
  AC_SUBST(COMPDIR)
  CXXFLAGS="$CXXFLAGS $CXX_PROFILE_FLAG"

  AC_SUBST(AR)
  AC_SUBST(AR_FLAGS)
  AC_SUBST(ARFLAGS)
  AC_MSG_CHECKING(how to build libraries)
  if test -z "$AR"; then
    AC_MSG_ERROR(unknown!)
  else
    AC_MSG_RESULT(with $AR $AR_FLAGS)
  fi 
fi
SERIALCXX=$REALCXX
AC_SUBST(SERIALCXX)

##########
# 
# Now find the flags for the C compiler
#
##########

# Extract the real compiler
# ABSCC=`$WHICH $CC | sed 's/ .*$//'`
isabs=`echo $CC | grep '^/'`
if test -n "$isabs"; then
  ABSCC=$CC
else
  AC_PATH_PROG(ABSCC, $CC)
fi
CCBASE=`basename $ABSCC`
# echo CCBASE = $CCBASE
case $CCBASE in

  mpicc)
    if test $CXXBASE = mpic++; then
# For LAM assume gcc for now
      AC_MSG_WARN(Assuming gcc compiler since using mpic++/LAM)
      REALCC=gcc
    else
      REALCC=`grep CCBASE= $ABSCC | sed 's/^.*=//' | sed 's/\"//g'`
    fi
    ;;

  *)
    REALCC=$CC
    ;;

esac
#The following is used to make sure that e.g. pathscale gets detected
REALCC=`basename $REALCC`

echo Real C compiler is $REALCC

case "$REALCC" in

  */cc | cc | cc_r)

    case "$host" in

      rs6000-ibm-aix* )
        C_PIC_FLAG=" "
        CFLAGS="-bmaxdata:0x80000000 -bmaxstack:0x80000000"
        if test "$OPTIMIZED" = "no"; then C_OPTIFLAGS="-g -DDEBUG"
        else C_OPTIFLAGS="-O"; fi
        ;;

      powerpc-ibm-aix4.* | powerpc-ibm-aix5.* )
        C_PIC_FLAG=" "
        CFLAGS=" -qcpluscmt "
        if test "$OPTIMIZED" = "no"; then C_OPTIFLAGS="-g -DDEBUG"
        else C_OPTIFLAGS="-O2"; fi
        ;;

      hppa*-hp-hpux*)
	C_PIC_FLAG="+z"
	CFLAGS="-Aa -D_HPUX_SOURCE"
        if test "$OPTIMIZED" = "no"; then C_OPTIFLAGS="-g -DDEBUG"
        else C_OPTIFLAGS="-O"; fi
        ;;

      *-linux*)
        C_PIC_FLAG="-fPIC"
        CFLAGS="-Wall -Wno-unused"
        if test "$OPTIMIZED" = "no"; then C_OPTIFLAGS="-g -DDEBUG"
        else C_OPTIFLAGS="-O"; fi
        ;;

      *-sgi-irix6*)
	C_PIC_FLAG=" "
	CFLAGS="-n32 -common -fullwarn -woff 1174,1552,1209,1506,3201"
        if test "$OPTIMIZED" = "no"; then C_OPTIFLAGS="-g -DDEBUG"
        else C_OPTIFLAGS="-O"; fi
        ;;

      alpha*-dec-osf*)
	C_PIC_FLAG=" "
	CFLAGS=" "
        if test "$OPTIMIZED" = "no"; then C_OPTIFLAGS="-g -DDEBUG"
        else C_OPTIFLAGS="-O"; fi
        ;;

      powerpc-*-darwin*)
        C_PIC_FLAG="-fpic"
        CFLAGS="-Wall -Wno-unused"
        if test "$OPTIMIZED" = "no"; then C_OPTIFLAGS="-g -DDEBUG"
        else C_OPTIFLAGS="-O"; fi
        ;;

      *-*-solaris*)
	C_PIC_FLAG="-KPIC"
	CFLAGS="-D__EXTENSIONS__ -D_POSIX_SOURCE"
        if test "$OPTIMIZED" = "no"; then C_OPTIFLAGS="-g -DDEBUG"
        else C_OPTIFLAGS="-O"; fi
        ;;

      *-cray-unicos*)
        CRAY=1
	C_PIC_FLAG=" "
	CFLAGS=" "
        if test "$OPTIMIZED" = "no"; then C_OPTIFLAGS="-g -DDEBUG"
        else C_OPTIFLAGS="-O2"; fi
        ;;


      *)
        AC_MSG_ERROR(Compiler $REALCC not supported for host $host.)
        ;;

    esac
    ;;

  */gcc | gcc | gcc3 |pathcc )
    case "$host" in
      rs6000-ibm-aix*)
        C_PIC_FLAG=" "
        ;;
      hppa*-hp-hpux*)
        C_PIC_FLAG="-fpic"
        ;;
      *)
        C_PIC_FLAG="-fPIC"
        ;;
    esac
    CFLAGS="-Wall -Wno-unused"
    if test "$PROFILING" = "yes"; then C_PROFILE_FLAG="-pg"; fi
    if test "$OPTIMIZED" = "no"; then C_OPTIFLAGS="-g -DDEBUG"
    else C_OPTIFLAGS="-O2 -Wno-uninitialized"; fi
    ;;

  *ccc)
    CFLAGS="-O2"
    ;;

  */pgcc | pgcc)
    case "$host" in

      *-linux*)
        C_PIC_FLAG="-fPIC"
        CFLAGS=""
        if test "$OPTIMIZED" = "no"; then 
	  C_OPTIFLAGS="-g -DDEBUG"
        else 
	  C_OPTIFLAGS="-O"
  	fi
        ;;

      *)
        AC_MSG_ERROR(Compiler $REALCC not supported for host $host.)
        ;;

    esac
    CFLAGS=""
    if test "$PROFILING" = "yes"; then C_PROFILE_FLAG="-pg"; fi
    ;;

  *)
    AC_MSG_ERROR(Compiler $REALCC not supported.)
    ;;

esac

if test "$ASSERT" = "yes"; then CXXFLAGS="$CXXFLAGS -DASSERT"; fi

SERIALCC=$REALCC
AC_SUBST(SERIALCC)
AC_SUBST(C_PIC_FLAG)
AC_SUBST(C_OPTIFLAGS)
CFLAGS="$CFLAGS $C_PROFILE_FLAG"

AC_DEFINE_UNQUOTED([CXX], "$REALCXX", "C++ Compiler to use")
AC_DEFINE_UNQUOTED([CXX_OPTIFLAGS], "$CXX_OPTIFLAGS", "C++ Optimization flags")
AC_DEFINE_UNQUOTED([CXX_SHAREDLIBFLAGS],"$SHAREDLIBFLAGS","shared library flag")
AC_DEFINE_UNQUOTED([TOP_BUILDDIR], "$abs_top_builddir","top build dir")
AC_DEFINE_UNQUOTED([TOP_SRCDIR], "$abs_top_srcdir","top src dir")

# echo "finished setting the flags per system and compiler."