libc/config/unwind_ipinfo.m4
Paolo Bonzini aee7eefa4d 2006-07-25 Paolo Bonzini <bonzini@gnu.org>
PR build/26188
        * stdint.m4: Test for uintptr_t even on systems with uint64_t or uint32_t.

	Sync from GCC
	2006-07-21  Steve Ellcey  <sje@cup.hp.com>

        PR target/26792
        * unwind_ipinfo.m4: New.
2006-07-25 08:32:44 +00:00

23 lines
651 B
Plaintext

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
])