Added a configure check for sa_sigaction member of struct sigaction.

[dump.git] / configure.in

diff --git a/configure.in b/configure.in
index dcb6bfb7296c4de2062594f5add1bd55bc82f677..802f31a560cad4e276078aac381179f0ff171812 100644 (file)
--- a/configure.in
+++ b/configure.in
@@ -303,6 +303,22 @@ if test "$ac_cv_func_glob" = "yes"; then
        fi
 fi
 
+dnl
+dnl Check if sigaction structure has a sa_sigaction field
+dnl
+AC_MSG_CHECKING(whether struct sigaction has a sa_sigaction field)
+AC_CACHE_VAL(dump_cv_struct_sa_sigaction,
+AC_TRY_COMPILE(
+[#include <stdio.h>
+#include <signal.h>],
+[struct sigaction action; action.sa_sigaction = NULL;],
+[dump_cv_struct_sa_sigaction=yes],
+[dump_cv_struct_sa_sigaction=no]))
+AC_MSG_RESULT($dump_cv_struct_sa_sigaction)
+if test "$dump_cv_struct_sa_sigaction" = yes; then
+  AC_DEFINE(HAVE_SIGACTION_SA_SIGACTION)
+fi
+
 dnl
 dnl Check for types
 dnl