2 dnl Copyright (C) 2007, 2008 Free Software Foundation, Inc.
3 dnl This file is free software; the Free Software Foundation
4 dnl gives unlimited permission to copy and/or distribute it,
5 dnl with or without modifications, as long as this notice is preserved.
7 AC_DEFUN([gl_SIGNAL_H],
9 AC_REQUIRE([gl_SIGNAL_H_DEFAULTS])
10 gl_CHECK_NEXT_HEADERS([signal.h])
13 AC_DEFUN([gl_SIGNAL_MODULE_INDICATOR],
15 dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
16 AC_REQUIRE([gl_SIGNAL_H_DEFAULTS])
17 GNULIB_[]m4_translit([$1],[abcdefghijklmnopqrstuvwxyz./-],[ABCDEFGHIJKLMNOPQRSTUVWXYZ___])=1
20 AC_DEFUN([gl_SIGNAL_H_DEFAULTS],
22 GNULIB_SIGNAL_H_SIGPIPE=0; AC_SUBST([GNULIB_SIGNAL_H_SIGPIPE])
23 GNULIB_SIGPROCMASK=0; AC_SUBST([GNULIB_SIGPROCMASK])
24 GNULIB_SIGACTION=0; AC_SUBST([GNULIB_SIGACTION])
25 dnl Assume proper GNU behavior unless another module says otherwise.
26 HAVE_POSIX_SIGNALBLOCKING=1; AC_SUBST([HAVE_POSIX_SIGNALBLOCKING])
27 HAVE_SIGSET_T=1; AC_SUBST([HAVE_SIGSET_T])
28 HAVE_SIGINFO_T=1; AC_SUBST([HAVE_SIGINFO_T])
29 HAVE_SIGACTION=1; AC_SUBST([HAVE_SIGACTION])
30 HAVE_STRUCT_SIGACTION_SA_SIGACTION=1;
31 AC_SUBST([HAVE_STRUCT_SIGACTION_SA_SIGACTION])