git.m6w6.name Git - awesomized/libmemcached/blob - m4/64bit.m4

   1 dnl ---------------------------------------------------------------------------
   2 dnl Macro: ENABLE_64BIT
   3 dnl ---------------------------------------------------------------------------
   4 AC_DEFUN([ENABLE_64BIT],[
   5
   6   AC_CHECK_PROGS(ISAINFO, [isainfo], [no])
   7   AS_IF([test "x$ISAINFO" != "xno"],
   8         [isainfo_b=`${ISAINFO} -b`],
   9         [isainfo_b="x"])
  10
  11   AS_IF([test "$isainfo_b" != "x"],
  12         [AC_ARG_ENABLE([64bit],
  13              [AS_HELP_STRING([--disable-64bit],
  14                 [Build 64 bit binary @<:@default=on@:>@])],
  15              [ac_enable_64bit="$enableval"],
  16              [ac_enable_64bit="yes"])])
  17
  18   AS_IF([test "x$ac_enable_64bit" = "xyes"],[
  19          if test "x$libdir" = "x\${exec_prefix}/lib" ; then
  20            # The user hasn't overridden the default libdir, so we'll
  21            # the dir suffix to match solaris 32/64-bit policy
  22            isainfo_k=`${ISAINFO} -k`
  23            libdir="${libdir}/${isainfo_k}"
  24          fi
  25          CFLAGS="-m64 $CFLAGS"
  26          CXXFLAGS="-m64 $CXXFLAGS"
  27          if test "$target_cpu" = "sparc" -a "x$SUNCC" = "xyes"
  28          then
  29             CFLAGS="-xmemalign=8s $CFLAGS"
  30             CXXFLAGS="-xmemalign=8s $CXXFLAGS"
  31          fi
  32        ])
  33 ])
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  35 dnl End Macro: ENABLE_64BIT
  36 dnl ---------------------------------------------------------------------------