+++ /dev/null
-dnl AC_CHECK_UCONTEXT: Check whether ucontext are working
-
-dnl it uses AC_RUN and assume the worse while cross-compiling
-
-AC_DEFUN([AC_CHECK_UCONTEXT],
- [
-AC_MSG_CHECKING([whether ucontext'es exist and are usable...])
-AC_RUN_IFELSE(AC_LANG_PROGRAM([#include <ucontext.h>],
- [ucontext_t uc;
- if (getcontext (&uc) != 0) return -1;
- ]),
- AC_MSG_RESULT(yes)
- ac_check_ucontext=yes,
- AC_MSG_RESULT(no)
- ac_check_ucontext=no,
- AC_MSG_RESULT(assuming the worse in cross-compilation)
- ac_check_ucontext=no)
-])