| 1 | # serial 15
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| 2 | # Configure fcntl.h.
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| 3 | dnl Copyright (C) 2006-2007, 2009-2012 Free Software Foundation, Inc.
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| 4 | dnl This file is free software; the Free Software Foundation
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| 5 | dnl gives unlimited permission to copy and/or distribute it,
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| 6 | dnl with or without modifications, as long as this notice is preserved.
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| 7 |
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| 8 | dnl Written by Paul Eggert.
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| 9 |
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| 10 | AC_DEFUN([gl_FCNTL_H],
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| 11 | [
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| 12 | AC_REQUIRE([gl_FCNTL_H_DEFAULTS])
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| 13 | AC_REQUIRE([gl_FCNTL_O_FLAGS])
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| 14 | gl_NEXT_HEADERS([fcntl.h])
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| 15 |
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| 16 | dnl Ensure the type pid_t gets defined.
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| 17 | AC_REQUIRE([AC_TYPE_PID_T])
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| 18 |
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| 19 | dnl Ensure the type mode_t gets defined.
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| 20 | AC_REQUIRE([AC_TYPE_MODE_T])
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| 21 |
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| 22 | dnl Check for declarations of anything we want to poison if the
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| 23 | dnl corresponding gnulib module is not in use, if it is not common
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| 24 | dnl enough to be declared everywhere.
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| 25 | gl_WARN_ON_USE_PREPARE([[#include <fcntl.h>
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| 26 | ]], [fcntl openat])
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| 27 | ])
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| 28 |
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| 29 | AC_DEFUN([gl_FCNTL_MODULE_INDICATOR],
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| 30 | [
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| 31 | dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
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| 32 | AC_REQUIRE([gl_FCNTL_H_DEFAULTS])
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| 33 | gl_MODULE_INDICATOR_SET_VARIABLE([$1])
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| 34 | dnl Define it also as a C macro, for the benefit of the unit tests.
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| 35 | gl_MODULE_INDICATOR_FOR_TESTS([$1])
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| 36 | ])
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| 37 |
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| 38 | AC_DEFUN([gl_FCNTL_H_DEFAULTS],
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| 39 | [
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| 40 | GNULIB_FCNTL=0; AC_SUBST([GNULIB_FCNTL])
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| 41 | GNULIB_NONBLOCKING=0; AC_SUBST([GNULIB_NONBLOCKING])
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| 42 | GNULIB_OPEN=0; AC_SUBST([GNULIB_OPEN])
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| 43 | GNULIB_OPENAT=0; AC_SUBST([GNULIB_OPENAT])
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| 44 | dnl Assume proper GNU behavior unless another module says otherwise.
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| 45 | HAVE_FCNTL=1; AC_SUBST([HAVE_FCNTL])
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| 46 | HAVE_OPENAT=1; AC_SUBST([HAVE_OPENAT])
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| 47 | REPLACE_FCNTL=0; AC_SUBST([REPLACE_FCNTL])
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| 48 | REPLACE_OPEN=0; AC_SUBST([REPLACE_OPEN])
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| 49 | REPLACE_OPENAT=0; AC_SUBST([REPLACE_OPENAT])
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| 50 | ])
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