md5, sha1, sha256, sha512: add gl_SET_CRYPTO_CHECK_DEFAULT

[gnulib.git] / m4 / signalblocking.m4

diff --git a/m4/signalblocking.m4 b/m4/signalblocking.m4
index fe91f29..a00e704 100644 (file)
--- a/m4/signalblocking.m4
+++ b/m4/signalblocking.m4
@@ -1,5 +1,5 @@
-# signalblocking.m4 serial 1 (gettext-0.11)
-dnl Copyright (C) 2001-2002 Free Software Foundation, Inc.
+# signalblocking.m4 serial 14
+dnl Copyright (C) 2001-2002, 2006-2013 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
@@ -9,13 +9,17 @@ dnl with or without modifications, as long as this notice is preserved.
 # 2) SYSV: sighold, sigrelse
 # 3) BSD: sigblock, sigsetmask
 # For simplicity, here we check only for the POSIX signal blocking.
-AC_DEFUN([gt_SIGNALBLOCKING],
+AC_DEFUN([gl_SIGNALBLOCKING],
 [
-  signals_not_posix=
-  AC_EGREP_HEADER(sigset_t, signal.h, , signals_not_posix=1)
-  if test -z "$signals_not_posix"; then
-    AC_CHECK_FUNC(sigprocmask,
-      AC_DEFINE(HAVE_POSIX_SIGNALBLOCKING, 1,
-       [Define to 1 if you have the sigset_t type and the sigprocmask function.]))
+  AC_REQUIRE([gl_SIGNAL_H_DEFAULTS])
+  AC_REQUIRE([gl_CHECK_TYPE_SIGSET_T])
+  if test $gl_cv_type_sigset_t = yes; then
+    AC_CHECK_FUNC([sigprocmask], [gl_cv_func_sigprocmask=1])
+  fi
+  if test -z "$gl_cv_func_sigprocmask"; then
+    HAVE_POSIX_SIGNALBLOCKING=0
   fi
 ])
+
+# Prerequisites of lib/sigprocmask.c.
+AC_DEFUN([gl_PREREQ_SIGPROCMASK], [:])