Subversion Repositories or1k

dnl
dnl  i386-gas-code16.m4,v 1.7 2000/11/02 15:44:04 joel Exp
dnl 
 
dnl check for i386 gas supporting 16 bit mode
dnl     - binutils 2.9.1.0.7 and higher
 
AC_DEFUN(RTEMS_I386_GAS_CODE16,
[ if test "${host_cpu}" = "i386"; then
    AC_CACHE_CHECK([for 16 bit mode assembler support],
      rtems_cv_prog_gas_code16,
      [cat > conftest.s << EOF
         .code16
         data32
         addr32
         lgdt 0
EOF
      if AC_TRY_COMMAND($AS -o conftest.o conftest.s); then
        rtems_cv_prog_gas_code16=yes
      else
        rtems_cv_prog_gas_code16=no
      fi])
    RTEMS_GAS_CODE16="$rtems_cv_prog_gas_code16"
  fi
  AC_SUBST(RTEMS_GAS_CODE16)
  if test x"${RTEMS_GAS_CODE16}" = x"yes";
  then
    AC_DEFINE_UNQUOTED(NEW_GAS,1,[if using 16 bit mode assembler support])
  fi
])