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# uptime.m4
# serial 8
dnl Copyright (C) 1996, 1999-2001, 2004, 2009-2025 Free Software Foundation,
dnl 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.
dnl This file is offered as-is, without any warranty.

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
])
kc3-lang/gnulib/m4/uptime.m4

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m4/uptime.m4
