-# sleep.m4 serial 3
-dnl Copyright (C) 2007-2010 Free Software Foundation, Inc.
+# sleep.m4 serial 6
+dnl Copyright (C) 2007-2012 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.
dnl _sleep() in MSVCRT. It has a different signature than POSIX sleep():
dnl it takes the number of milliseconds as argument and returns void.
dnl mingw does not declare this function.
- AC_CHECK_DECLS([sleep], , , [#include <unistd.h>])
+ AC_CHECK_DECLS([sleep], , , [[#include <unistd.h>]])
AC_CHECK_FUNCS_ONCE([sleep])
if test $ac_cv_have_decl_sleep != yes; then
HAVE_SLEEP=0
- AC_LIBOBJ([sleep])
else
dnl Cygwin 1.5.x has a bug where sleep can't exceed 49.7 days.
AC_CACHE_CHECK([for working sleep], [gl_cv_func_sleep_works],
signal (SIGALRM, handle_alarm);
alarm (1);
remaining = sleep (pentecost);
- return !(pentecost - 10 < remaining && remaining <= pentecost);]])],
+ if (remaining > pentecost)
+ return 3;
+ if (remaining <= pentecost - 10)
+ return 4;
+ return 0;
+ ]])],
[gl_cv_func_sleep_works=yes], [gl_cv_func_sleep_works=no],
[gl_cv_func_sleep_works="guessing no"])])
if test "$gl_cv_func_sleep_works" != yes; then
REPLACE_SLEEP=1
- AC_LIBOBJ([sleep])
fi
fi
])