[deliverable/binutils-gdb.git] / config / unwind_ipinfo.m4

dnl
dnl Check whether _Unwind_GetIPInfo is available.
dnl
AC_DEFUN([GCC_CHECK_UNWIND_GETIPINFO], [
  AC_LANG_SAVE
  AC_LANG_CPLUSPLUS
  ac_save_CXXFLAGS="$CXXFLAGS"
  CXXFLAGS="$CXXFLAGS -fno-exceptions"
  AC_MSG_CHECKING([for _Unwind_GetIPInfo])
  AC_CACHE_VAL(gcc_cv_getipinfo, [
  AC_TRY_LINK([extern "C" { extern void _Unwind_GetIPInfo(); }],
      [_Unwind_GetIPInfo();],
      [gcc_cv_getipinfo=yes],
      [gcc_cv_getipinfo=no])
  ])
  if test $gcc_cv_getipinfo = yes; then
    AC_DEFINE(HAVE_GETIPINFO, 1, [Define if _Unwind_GetIPInfo is available.])
  fi
  AC_MSG_RESULT($gcc_cv_getipinfo)
  CXXFLAGS="$ac_save_CXXFLAGS"
  AC_LANG_RESTORE
])
Commit	Line	Data
1dc60eeb PB	1	dnl
	2	dnl Check whether _Unwind_GetIPInfo is available.
	3	dnl
	4	AC_DEFUN([GCC_CHECK_UNWIND_GETIPINFO], [
	5	AC_LANG_SAVE
	6	AC_LANG_CPLUSPLUS
	7	ac_save_CXXFLAGS="$CXXFLAGS"
	8	CXXFLAGS="$CXXFLAGS -fno-exceptions"
	9	AC_MSG_CHECKING([for _Unwind_GetIPInfo])
	10	AC_CACHE_VAL(gcc_cv_getipinfo, [
	11	AC_TRY_LINK([extern "C" { extern void _Unwind_GetIPInfo(); }],
	12	[_Unwind_GetIPInfo();],
	13	[gcc_cv_getipinfo=yes],
	14	[gcc_cv_getipinfo=no])
	15	])
	16	if test $gcc_cv_getipinfo = yes; then
	17	AC_DEFINE(HAVE_GETIPINFO, 1, [Define if _Unwind_GetIPInfo is available.])
	18	fi
	19	AC_MSG_RESULT($gcc_cv_getipinfo)
	20	CXXFLAGS="$ac_save_CXXFLAGS"
	21	AC_LANG_RESTORE
	22	])