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1 # sys_resource_h.m4 serial 2 |
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2 dnl Copyright (C) 2012-2014 Free Software Foundation, Inc. |
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3 dnl This file is free software; the Free Software Foundation |
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4 dnl gives unlimited permission to copy and/or distribute it, |
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5 dnl with or without modifications, as long as this notice is preserved. |
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6 |
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7 AC_DEFUN([gl_HEADER_SYS_RESOURCE], |
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8 [ |
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9 AC_REQUIRE([gl_SYS_RESOURCE_H_DEFAULTS]) |
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10 dnl <sys/resource.h> is always overridden, because of GNULIB_POSIXCHECK. |
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11 gl_CHECK_NEXT_HEADERS([sys/resource.h]) |
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12 if test $ac_cv_header_sys_resource_h = yes; then |
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13 HAVE_SYS_RESOURCE_H=1 |
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14 else |
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15 HAVE_SYS_RESOURCE_H=0 |
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16 fi |
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17 AC_SUBST([HAVE_SYS_RESOURCE_H]) |
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18 |
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19 dnl Check for declarations of anything we want to poison if the |
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20 dnl corresponding gnulib module is not in use. |
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21 gl_WARN_ON_USE_PREPARE([[ |
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22 #if HAVE_SYS_RESOURCE_H |
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23 /* At least FreeBSD 5.0 needs extra headers before <sys/resource.h> |
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24 will compile. */ |
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25 # include <sys/types.h> |
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26 # include <sys/time.h> |
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27 # include <sys/resource.h> |
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28 #endif |
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29 ]], |
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30 [getrusage]) |
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31 ]) |
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32 |
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33 AC_DEFUN([gl_SYS_RESOURCE_MODULE_INDICATOR], |
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34 [ |
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35 dnl Use AC_REQUIRE here, so that the default settings are expanded once only. |
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36 AC_REQUIRE([gl_SYS_RESOURCE_H_DEFAULTS]) |
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37 gl_MODULE_INDICATOR_SET_VARIABLE([$1]) |
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38 dnl Define it also as a C macro, for the benefit of the unit tests. |
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39 gl_MODULE_INDICATOR_FOR_TESTS([$1]) |
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40 ]) |
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41 |
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42 AC_DEFUN([gl_SYS_RESOURCE_H_DEFAULTS], |
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43 [ |
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44 GNULIB_GETRUSAGE=0; AC_SUBST([GNULIB_GETRUSAGE]) |
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45 dnl Assume proper GNU behavior unless another module says otherwise. |
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46 HAVE_GETRUSAGE=1; AC_SUBST([HAVE_GETRUSAGE]) |
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47 ]) |
