Update after lib/sig-handler.h is no longer included by lib/sigprocmask.c.

[gnulib.git] / m4 / sigaction.m4

diff --git a/m4/sigaction.m4 b/m4/sigaction.m4
index 2f1a4cd..790116a 100644 (file)
--- a/m4/sigaction.m4
+++ b/m4/sigaction.m4
@@ -1,4 +1,4 @@
-# sigaction.m4 serial 1
+# sigaction.m4 serial 3
 dnl Copyright (C) 2008 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -7,9 +7,7 @@ dnl with or without modifications, as long as this notice is preserved.
 # Determine if sigaction interface is present.
 AC_DEFUN([gl_SIGACTION],
 [
-  dnl Due to autoconf conventions, we can't tell if HAVE_SIGACTION
-  dnl means we have the type or means we have the function.  We assume
-  dnl that all implementations either have both or neither.
+  AC_REQUIRE([gl_SIGNAL_H_DEFAULTS])
   AC_REPLACE_FUNCS([sigaction])
   if test $ac_cv_func_sigaction = no ; then
     HAVE_SIGACTION=0
@@ -18,12 +16,12 @@ AC_DEFUN([gl_SIGACTION],
   fi
 ])
 
-# Prerequisites of the part of lib/signal.in.h and of lib/sigprocmask.c.
+# Prerequisites of the part of lib/signal.in.h and of lib/sigaction.c.
 AC_DEFUN([gl_PREREQ_SIGACTION],
 [
+  AC_REQUIRE([gl_SIGNAL_H_DEFAULTS])
   AC_REQUIRE([AC_C_RESTRICT])
   AC_REQUIRE([AC_TYPE_UID_T])
-  AC_REQUIRE([gl_SIGNAL_H_DEFAULTS])
   AC_CHECK_FUNCS_ONCE([sigaltstack siginterrupt])
   AC_CHECK_TYPES([siginfo_t], [], [], [[
 #include <signal.h>
@@ -33,3 +31,10 @@ AC_DEFUN([gl_PREREQ_SIGACTION],
     AC_SUBST([HAVE_SIGINFO_T])
   fi
 ])
+
+# Prerequisites of lib/sig-handler.h.
+AC_DEFUN([gl_PREREQ_SIG_HANDLER_H],
+[
+  AC_REQUIRE([AC_C_INLINE])
+  :
+])