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dnl Copyright (C) 2009 Sun Microsystems
dnl This file is free software; Sun Microsystems
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
dnl ---------------------------------------------------------------------------
dnl Macro: PANDORA_64BIT
dnl ---------------------------------------------------------------------------
AC_DEFUN([PANDORA_64BIT],[
AC_CHECK_PROGS(ISAINFO, [isainfo], [no])
AS_IF([test "x$ISAINFO" != "xno"],
[isainfo_b=`${ISAINFO} -b`],
[isainfo_b="x"])
AS_IF([test "$isainfo_b" != "x"],
[AC_ARG_ENABLE([64bit],
[AS_HELP_STRING([--disable-64bit],
[Build 64 bit binary @<:@default=on@:>@])],
[ac_enable_64bit="$enableval"],
[ac_enable_64bit="yes"])])
AS_IF([test "x$ac_enable_64bit" = "xyes"],[
if test "x$libdir" = "x\${exec_prefix}/lib" ; then
# The user hasn't overridden the default libdir, so we'll
# the dir suffix to match solaris 32/64-bit policy
isainfo_k=`${ISAINFO} -k`
libdir="${libdir}/${isainfo_k}"
fi
CPPFLAGS="-m64 ${CPPFLAGS}"
LDFLAGS="-m64 ${LDFLAGS}"
DTRACEFLAGS="${DTRACEFLAGS} -64"
if test "$target_cpu" = "sparc" -a "x$SUNCC" = "xyes"
then
AM_CFLAGS="-xmemalign=8s ${AM_CFLAGS}"
AM_CXXFLAGS="-xmemalign=8s ${AM_CXXFLAGS}"
fi
],[DTRACEFLAGS="${DTRACEFLAGS} -32"])
])
dnl ---------------------------------------------------------------------------
dnl End Macro: PANDORA_64BIT
dnl ---------------------------------------------------------------------------
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