| # serial 8 |
| |
| # Copyright (C) 1996, 1999-2001, 2004, 2009-2020 Free Software Foundation, Inc. |
| # This file is free software; the Free Software Foundation |
| # gives unlimited permission to copy and/or distribute it, |
| # with or without modifications, as long as this notice is preserved. |
| |
| AC_PREREQ([2.13]) |
| |
| AC_DEFUN([gl_SYS_PROC_UPTIME], |
| [ dnl Require AC_PROG_CC to see if we're cross compiling. |
| AC_REQUIRE([AC_PROG_CC]) |
| AC_CACHE_CHECK([for /proc/uptime], [gl_cv_have_proc_uptime], |
| [gl_cv_have_proc_uptime=no |
| test -f /proc/uptime \ |
| && test "$cross_compiling" = no \ |
| && cat < /proc/uptime >/dev/null 2>/dev/null \ |
| && gl_cv_have_proc_uptime=yes]) |
| if test $gl_cv_have_proc_uptime = yes; then |
| AC_DEFINE([HAVE_PROC_UPTIME], [1], |
| [ Define if your system has the /proc/uptime special file.]) |
| fi |
| ]) |
