48 lines
1.5 KiB
Plaintext
48 lines
1.5 KiB
Plaintext
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# sys_resource_h.m4 serial 2
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dnl Copyright (C) 2012-2018 Free Software Foundation, Inc.
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dnl This file is free software; the Free Software Foundation
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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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AC_DEFUN([gl_HEADER_SYS_RESOURCE],
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[
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AC_REQUIRE([gl_SYS_RESOURCE_H_DEFAULTS])
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dnl <sys/resource.h> is always overridden, because of GNULIB_POSIXCHECK.
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gl_CHECK_NEXT_HEADERS([sys/resource.h])
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if test $ac_cv_header_sys_resource_h = yes; then
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HAVE_SYS_RESOURCE_H=1
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else
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HAVE_SYS_RESOURCE_H=0
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fi
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AC_SUBST([HAVE_SYS_RESOURCE_H])
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dnl Check for declarations of anything we want to poison if the
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dnl corresponding gnulib module is not in use.
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gl_WARN_ON_USE_PREPARE([[
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#if HAVE_SYS_RESOURCE_H
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/* At least FreeBSD 5.0 needs extra headers before <sys/resource.h>
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will compile. */
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# include <sys/types.h>
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# include <sys/time.h>
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# include <sys/resource.h>
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#endif
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]],
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[getrusage])
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])
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AC_DEFUN([gl_SYS_RESOURCE_MODULE_INDICATOR],
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[
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dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
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AC_REQUIRE([gl_SYS_RESOURCE_H_DEFAULTS])
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gl_MODULE_INDICATOR_SET_VARIABLE([$1])
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dnl Define it also as a C macro, for the benefit of the unit tests.
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gl_MODULE_INDICATOR_FOR_TESTS([$1])
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])
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AC_DEFUN([gl_SYS_RESOURCE_H_DEFAULTS],
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[
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GNULIB_GETRUSAGE=0; AC_SUBST([GNULIB_GETRUSAGE])
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dnl Assume proper GNU behavior unless another module says otherwise.
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HAVE_GETRUSAGE=1; AC_SUBST([HAVE_GETRUSAGE])
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])
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