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pandora-build v0.104

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m4/pandora_clock_gettime.m4
 
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dnl Copyright (C) 2010 Monty Taylor
 
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dnl This file is free software; Monty Taylor
 
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dnl gives unlimited permission to copy and/or distribute it,
 
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dnl with or without modifications, as long as this notice is preserved.
 
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#--------------------------------------------------------------------
 
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# Check for clock_gettime
 
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#--------------------------------------------------------------------
 
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AC_DEFUN([PANDORA_CLOCK_GETTIME],[
 
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  AC_CACHE_CHECK([for working clock_gettime],[ac_cv_have_clock_gettime],[
 
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    AC_COMPILE_IFELSE([
 
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      AC_LANG_PROGRAM([[
 
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#if TIME_WITH_SYS_TIME
 
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# include <sys/time.h>
 
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# include <time.h>
 
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#else
 
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# if HAVE_SYS_TIME_H
 
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#  include <sys/time.h>
 
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# else
 
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#  include <time.h>
 
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# endif
 
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#endif
 
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      ]],[[
 
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  struct timespec tp;
 
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  int ret= clock_gettime(CLOCK_REALTIME, &tp);
 
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    ]])],[
 
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      ac_cv_have_clock_gettime=yes
 
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    ],[
 
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      ac_cv_have_clock_gettime=no
 
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    ])
 
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  ])
 
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  AS_IF([test "x${ac_cv_have_clock_gettime}" = xyes],[
 
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    AC_DEFINE([HAVE_CLOCK_GETTIME],[1],[Have a working clock_gettime function])
 
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  ])
 
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])