-# signalblocking.m4 serial 3 (gettext-0.15.1)
-dnl Copyright (C) 2001-2002, 2006 Free Software Foundation, Inc.
+# signalblocking.m4 serial 10
+dnl Copyright (C) 2001-2002, 2006-2010 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.
# For simplicity, here we check only for the POSIX signal blocking.
AC_DEFUN([gl_SIGNALBLOCKING],
[
+ AC_REQUIRE([gl_SIGNAL_H_DEFAULTS])
signals_not_posix=
- AC_EGREP_HEADER(sigset_t, signal.h, , signals_not_posix=1)
+ AC_EGREP_HEADER([sigset_t], [signal.h], , [signals_not_posix=1])
if test -z "$signals_not_posix"; then
- AC_CHECK_FUNC(sigprocmask, [gl_cv_func_sigprocmask=1])
+ AC_CHECK_FUNC([sigprocmask], [gl_cv_func_sigprocmask=1])
fi
- if test -n "$gl_cv_func_sigprocmask"; then
- AC_DEFINE([HAVE_POSIX_SIGNALBLOCKING], 1,
- [Define to 1 if you have the sigset_t type and the sigprocmask function.])
- else
+ if test -z "$gl_cv_func_sigprocmask"; then
+ HAVE_POSIX_SIGNALBLOCKING=0
AC_LIBOBJ([sigprocmask])
gl_PREREQ_SIGPROCMASK
fi
])
-# Prerequisites of lib/sigprocmask.h and lib/sigprocmask.c.
-AC_DEFUN([gl_PREREQ_SIGPROCMASK], [
+# Prerequisites of the part of lib/signal.in.h and of lib/sigprocmask.c.
+AC_DEFUN([gl_PREREQ_SIGPROCMASK],
+[
+ AC_REQUIRE([gl_SIGNAL_H_DEFAULTS])
AC_CHECK_TYPES([sigset_t],
[gl_cv_type_sigset_t=yes], [gl_cv_type_sigset_t=no],
[#include <signal.h>
/* Mingw defines sigset_t not in <signal.h>, but in <sys/types.h>. */
#include <sys/types.h>])
- if test $gl_cv_type_sigset_t = yes; then
- AC_DEFUN([HAVE_SIGSET_T],
- [Define to 1 if you lack the sigprocmask function but have the sigset_t type.])
+ if test $gl_cv_type_sigset_t != yes; then
+ HAVE_SIGSET_T=0
fi
- AC_CHECK_FUNCS_ONCE(raise)
+ dnl HAVE_SIGSET_T is 1 if the system lacks the sigprocmask function but has
+ dnl the sigset_t type.
+ AC_SUBST([HAVE_SIGSET_T])
])