mirror of
https://gcc.gnu.org/git/gcc.git
synced 2024-12-27 04:55:01 +08:00
23 lines
651 B
Plaintext
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
|
|
])
|