# fatal-signal.m4 serial 9 dnl Copyright (C) 2003-2004, 2006, 2008-2018 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. AC_DEFUN([gl_FATAL_SIGNAL], [ AC_REQUIRE([gt_TYPE_SIG_ATOMIC_T]) AC_CHECK_HEADERS_ONCE([unistd.h]) gl_PREREQ_SIG_HANDLER_H ])