dnl Copyright (C) 2008-2011 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 Copyright (C) 2008-2011 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 Check if strsignal behaves reasonably for out-of-range signal numbers.
dnl On Solaris it returns NULL; on AIX 5.1 it returns (char *) -1.
AC_CACHE_CHECK([whether strsignal always returns a string],
dnl Check if strsignal behaves reasonably for out-of-range signal numbers.
dnl On Solaris it returns NULL; on AIX 5.1 it returns (char *) -1.
AC_CACHE_CHECK([whether strsignal always returns a string],